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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-10 09:52:59 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-10 09:52:59 +0100 |
| commit | b920eb41a8241c54efbbd4f2ed6d074f497b0d9e (patch) | |
| tree | 5941091817e932add192f8e58dc88d483322e214 | |
| parent | a9d5801041eecc7baceff49a28e82f91f207a961 (diff) | |
| parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) | |
| download | lwn-b920eb41a8241c54efbbd4f2ed6d074f497b0d9e.tar.gz lwn-b920eb41a8241c54efbbd4f2ed6d074f497b0d9e.zip | |
Merge tag 'v3.4-rc2' into regulator-drivers
Linux 3.4-rc2 contains some fixes that further patches depend upon.
611 files changed, 8690 insertions, 3667 deletions
diff --git a/Documentation/DMA-attributes.txt b/Documentation/DMA-attributes.txt index b768cc0e402b..5c72eed89563 100644 --- a/Documentation/DMA-attributes.txt +++ b/Documentation/DMA-attributes.txt @@ -31,3 +31,21 @@ may be weakly ordered, that is that reads and writes may pass each other. Since it is optional for platforms to implement DMA_ATTR_WEAK_ORDERING, those that do not will simply ignore the attribute and exhibit default behavior. + +DMA_ATTR_WRITE_COMBINE +---------------------- + +DMA_ATTR_WRITE_COMBINE specifies that writes to the mapping may be +buffered to improve performance. + +Since it is optional for platforms to implement DMA_ATTR_WRITE_COMBINE, +those that do not will simply ignore the attribute and exhibit default +behavior. + +DMA_ATTR_NON_CONSISTENT +----------------------- + +DMA_ATTR_NON_CONSISTENT lets the platform to choose to return either +consistent or non-consistent memory as it sees fit. By using this API, +you are guaranteeing to the platform that you have all the correct and +necessary sync points for this memory in the driver. diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index 9c27e5125dd2..7514dbf0a679 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -446,4 +446,21 @@ X!Idrivers/video/console/fonts.c !Edrivers/i2c/i2c-core.c </chapter> + <chapter id="hsi"> + <title>High Speed Synchronous Serial Interface (HSI)</title> + + <para> + High Speed Synchronous Serial Interface (HSI) is a + serial interface mainly used for connecting application + engines (APE) with cellular modem engines (CMT) in cellular + handsets. + + HSI provides multiplexing for up to 16 logical channels, + low-latency and full duplex communication. + </para> + +!Iinclude/linux/hsi/hsi.h +!Edrivers/hsi/hsi.c + </chapter> + </book> diff --git a/Documentation/cgroups/cpusets.txt b/Documentation/cgroups/cpusets.txt index 5c51ed406d1d..cefd3d8bbd11 100644 --- a/Documentation/cgroups/cpusets.txt +++ b/Documentation/cgroups/cpusets.txt @@ -217,7 +217,7 @@ and name space for cpusets, with a minimum of additional kernel code. The cpus and mems files in the root (top_cpuset) cpuset are read-only. The cpus file automatically tracks the value of -cpu_online_map using a CPU hotplug notifier, and the mems file +cpu_online_mask using a CPU hotplug notifier, and the mems file automatically tracks the value of node_states[N_HIGH_MEMORY]--i.e., nodes with memory--using the cpuset_track_online_nodes() hook. diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt index a20bfd415e41..66ef8f35613d 100644 --- a/Documentation/cpu-hotplug.txt +++ b/Documentation/cpu-hotplug.txt @@ -47,7 +47,7 @@ maxcpus=n Restrict boot time cpus to n. Say if you have 4 cpus, using other cpus later online, read FAQ's for more info. additional_cpus=n (*) Use this to limit hotpluggable cpus. This option sets - cpu_possible_map = cpu_present_map + additional_cpus + cpu_possible_mask = cpu_present_mask + additional_cpus cede_offline={"off","on"} Use this option to disable/enable putting offlined processors to an extended H_CEDE state on @@ -64,11 +64,11 @@ should only rely on this to count the # of cpus, but *MUST* not rely on the apicid values in those tables for disabled apics. In the event BIOS doesn't mark such hot-pluggable cpus as disabled entries, one could use this parameter "additional_cpus=x" to represent those cpus in the -cpu_possible_map. +cpu_possible_mask. possible_cpus=n [s390,x86_64] use this to set hotpluggable cpus. This option sets possible_cpus bits in - cpu_possible_map. Thus keeping the numbers of bits set + cpu_possible_mask. Thus keeping the numbers of bits set constant even if the machine gets rebooted. CPU maps and such @@ -76,7 +76,7 @@ CPU maps and such [More on cpumaps and primitive to manipulate, please check include/linux/cpumask.h that has more descriptive text.] -cpu_possible_map: Bitmap of possible CPUs that can ever be available in the +cpu_possible_mask: Bitmap of possible CPUs that can ever be available in the system. This is used to allocate some boot time memory for per_cpu variables that aren't designed to grow/shrink as CPUs are made available or removed. Once set during boot time discovery phase, the map is static, i.e no bits @@ -84,13 +84,13 @@ are added or removed anytime. Trimming it accurately for your system needs upfront can save some boot time memory. See below for how we use heuristics in x86_64 case to keep this under check. -cpu_online_map: Bitmap of all CPUs currently online. Its set in __cpu_up() +cpu_online_mask: Bitmap of all CPUs currently online. Its set in __cpu_up() after a cpu is available for kernel scheduling and ready to receive interrupts from devices. Its cleared when a cpu is brought down using __cpu_disable(), before which all OS services including interrupts are migrated to another target CPU. -cpu_present_map: Bitmap of CPUs currently present in the system. Not all +cpu_present_mask: Bitmap of CPUs currently present in the system. Not all of them may be online. When physical hotplug is processed by the relevant subsystem (e.g ACPI) can change and new bit either be added or removed from the map depending on the event is hot-add/hot-remove. There are currently @@ -99,22 +99,22 @@ at which time hotplug is disabled. You really dont need to manipulate any of the system cpu maps. They should be read-only for most use. When setting up per-cpu resources almost always use -cpu_possible_map/for_each_possible_cpu() to iterate. +cpu_possible_mask/for_each_possible_cpu() to iterate. Never use anything other than cpumask_t to represent bitmap of CPUs. #include <linux/cpumask.h> - for_each_possible_cpu - Iterate over cpu_possible_map - for_each_online_cpu - Iterate over cpu_online_map - for_each_present_cpu - Iterate over cpu_present_map + for_each_possible_cpu - Iterate over cpu_possible_mask + for_each_online_cpu - Iterate over cpu_online_mask + for_each_present_cpu - Iterate over cpu_present_mask for_each_cpu_mask(x,mask) - Iterate over some random collection of cpu mask. #include <linux/cpu.h> get_online_cpus() and put_online_cpus(): The above calls are used to inhibit cpu hotplug operations. While the -cpu_hotplug.refcount is non zero, the cpu_online_map will not change. +cpu_hotplug.refcount is non zero, the cpu_online_mask will not change. If you merely need to avoid cpus going away, you could also use preempt_disable() and preempt_enable() for those sections. Just remember the critical section cannot call any diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt index 5903ecf6e895..a20069502f5a 100644 --- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt +++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt @@ -27,13 +27,13 @@ nand0: nand@40000000,0 { reg = <0x40000000 0x10000000 0xffffe800 0x200 >; - atmel,nand-addr-offset = <21>; - atmel,nand-cmd-offset = <22>; + atmel,nand-addr-offset = <21>; /* ale */ + atmel,nand-cmd-offset = <22>; /* cle */ nand-on-flash-bbt; nand-ecc-mode = "soft"; - gpios = <&pioC 13 0 - &pioC 14 0 - 0 + gpios = <&pioC 13 0 /* rdy */ + &pioC 14 0 /* nce */ + 0 /* cd */ >; partition@0 { ... diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt new file mode 100644 index 000000000000..357758cb6e92 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt @@ -0,0 +1,29 @@ +Anatop Voltage regulators + +Required properties: +- compatible: Must be "fsl,anatop-regulator" +- anatop-reg-offset: Anatop MFD register offset +- anatop-vol-bit-shift: Bit shift for the register +- anatop-vol-bit-width: Number of bits used in the register +- anatop-min-bit-val: Minimum value of this register +- anatop-min-voltage: Minimum voltage of this regulator +- anatop-max-voltage: Maximum voltage of this regulator + +Any property defined as part of the core regulator +binding, defined in regulator.txt, can also be used. + +Example: + + regulator-vddpu { + compatible = "fsl,anatop-regulator"; + regulator-name = "vddpu"; + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + anatop-reg-offset = <0x140>; + anatop-vol-bit-shift = <9>; + anatop-vol-bit-width = <5>; + anatop-min-bit-val = <1>; + anatop-min-voltage = <725000>; + anatop-max-voltage = <1300000>; + }; diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index c1be8066ea59..709e08e9a222 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -6,14 +6,6 @@ be removed from this file. --------------------------- -What: x86 floppy disable_hlt -When: 2012 -Why: ancient workaround of dubious utility clutters the - code used by everybody else. -Who: Len Brown <len.brown@intel.com> - ---------------------------- - What: CONFIG_APM_CPU_IDLE, and its ability to call APM BIOS in idle When: 2012 Why: This optional sub-feature of APM is of dubious reliability, diff --git a/Documentation/hwmon/k10temp b/Documentation/hwmon/k10temp index a10f73624ad3..90956b618025 100644 --- a/Documentation/hwmon/k10temp +++ b/Documentation/hwmon/k10temp @@ -11,7 +11,7 @@ Supported chips: Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra) * AMD Family 12h processors: "Llano" (E2/A4/A6/A8-Series) * AMD Family 14h processors: "Brazos" (C/E/G/Z-Series) -* AMD Family 15h processors: "Bulldozer" +* AMD Family 15h processors: "Bulldozer" (FX-Series), "Trinity" Prefix: 'k10temp' Addresses scanned: PCI space diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt index 3b7488fc3373..e34b531dc316 100644 --- a/Documentation/ioctl/ioctl-number.txt +++ b/Documentation/ioctl/ioctl-number.txt @@ -225,6 +225,7 @@ Code Seq#(hex) Include File Comments 'j' 00-3F linux/joystick.h 'k' 00-0F linux/spi/spidev.h conflict! 'k' 00-05 video/kyro.h conflict! +'k' 10-17 linux/hsi/hsi_char.h HSI character device 'l' 00-3F linux/tcfs_fs.h transparent cryptographic file system <http://web.archive.org/web/*/http://mikonos.dia.unisa.it/tcfs> 'l' 40-7F linux/udf_fs_i.h in development: diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.txt index 03283daa64fe..da59e2884130 100644 --- a/Documentation/networking/driver.txt +++ b/Documentation/networking/driver.txt @@ -2,16 +2,16 @@ Document about softnet driver issues Transmit path guidelines: -1) The hard_start_xmit method must never return '1' under any - normal circumstances. It is considered a hard error unless +1) The ndo_start_xmit method must not return NETDEV_TX_BUSY under + any normal circumstances. It is considered a hard error unless there is no way your device can tell ahead of time when it's transmit function will become busy. Instead it must maintain the queue properly. For example, for a driver implementing scatter-gather this means: - static int drv_hard_start_xmit(struct sk_buff *skb, - struct net_device *dev) + static netdev_tx_t drv_hard_start_xmit(struct sk_buff *skb, + struct net_device *dev) { struct drv *dp = netdev_priv(dev); @@ -23,7 +23,7 @@ Transmit path guidelines: unlock_tx(dp); printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n", dev->name); - return 1; + return NETDEV_TX_BUSY; } ... queue packet to card ... @@ -35,6 +35,7 @@ Transmit path guidelines: ... unlock_tx(dp); ... + return NETDEV_TX_OK; } And then at the end of your TX reclamation event handling: @@ -58,15 +59,12 @@ Transmit path guidelines: TX_BUFFS_AVAIL(dp) > 0) netif_wake_queue(dp->dev); -2) Do not forget to update netdev->trans_start to jiffies after - each new tx packet is given to the hardware. - -3) A hard_start_xmit method must not modify the shared parts of a +2) An ndo_start_xmit method must not modify the shared parts of a cloned SKB. -4) Do not forget that once you return 0 from your hard_start_xmit - method, it is your driver's responsibility to free up the SKB - and in some finite amount of time. +3) Do not forget that once you return NETDEV_TX_OK from your + ndo_start_xmit method, it is your driver's responsibility to free + up the SKB and in some finite amount of time. For example, this means that it is not allowed for your TX mitigation scheme to let TX packets "hang out" in the TX @@ -74,8 +72,9 @@ Transmit path guidelines: This error can deadlock sockets waiting for send buffer room to be freed up. - If you return 1 from the hard_start_xmit method, you must not keep - any reference to that SKB and you must not attempt to free it up. + If you return NETDEV_TX_BUSY from the ndo_start_xmit method, you + must not keep any reference to that SKB and you must not attempt + to free it up. Probing guidelines: @@ -85,10 +84,10 @@ Probing guidelines: Close/stop guidelines: -1) After the dev->stop routine has been called, the hardware must +1) After the ndo_stop routine has been called, the hardware must not receive or transmit any data. All in flight packets must be aborted. If necessary, poll or wait for completion of any reset commands. -2) The dev->stop routine will be called by unregister_netdevice +2) The ndo_stop routine will be called by unregister_netdevice if device is still UP. diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index ad3e80e17b4f..bd80ba5847d2 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -604,15 +604,8 @@ IP Variables: ip_local_port_range - 2 INTEGERS Defines the local port range that is used by TCP and UDP to choose the local port. The first number is the first, the - second the last local port number. Default value depends on - amount of memory available on the system: - > 128Mb 32768-61000 - < 128Mb 1024-4999 or even less. - This number defines number of active connections, which this - system can issue simultaneously to systems not supporting - TCP extensions (timestamps). With tcp_tw_recycle enabled - (i.e. by default) range 1024-4999 is enough to issue up to - 2000 connections per second to systems supporting timestamps. + second the last local port number. The default values are + 32768 and 61000 respectively. ip_local_reserved_ports - list of comma separated ranges Specify the ports which are reserved for known third-party diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt index 89358341682a..c7ecc7080494 100644 --- a/Documentation/networking/netdevices.txt +++ b/Documentation/networking/netdevices.txt @@ -47,26 +47,25 @@ packets is preferred. struct net_device synchronization rules ======================================= -dev->open: +ndo_open: Synchronization: rtnl_lock() semaphore. Context: process -dev->stop: +ndo_stop: Synchronization: rtnl_lock() semaphore. Context: process - Note1: netif_running() is guaranteed false - Note2: dev->poll() is guaranteed to be stopped + Note: netif_running() is guaranteed false -dev->do_ioctl: +ndo_do_ioctl: Synchronization: rtnl_lock() semaphore. Context: process -dev->get_stats: +ndo_get_stats: Synchronization: dev_base_lock rwlock. Context: nominally process, but don't sleep inside an rwlock -dev->hard_start_xmit: - Synchronization: netif_tx_lock spinlock. +ndo_start_xmit: + Synchronization: __netif_tx_lock spinlock. When the driver sets NETIF_F_LLTX in dev->features this will be called without holding netif_tx_lock. In this case the driver @@ -87,20 +86,20 @@ dev->hard_start_xmit: o NETDEV_TX_LOCKED Locking failed, please retry quickly. Only valid when NETIF_F_LLTX is set. -dev->tx_timeout: - Synchronization: netif_tx_lock spinlock. +ndo_tx_timeout: + Synchronization: netif_tx_lock spinlock; all TX queues frozen. Context: BHs disabled Notes: netif_queue_stopped() is guaranteed true -dev->set_rx_mode: - Synchronization: netif_tx_lock spinlock. +ndo_set_rx_mode: + Synchronization: netif_addr_lock spinlock. Context: BHs disabled struct napi_struct synchronization rules ======================================== napi->poll: Synchronization: NAPI_STATE_SCHED bit in napi->state. Device - driver's dev->close method will invoke napi_disable() on + driver's ndo_stop method will invoke napi_disable() on all NAPI instances which will do a sleeping poll on the NAPI_STATE_SCHED napi->state bit, waiting for all pending NAPI activity to cease. diff --git a/MAINTAINERS b/MAINTAINERS index eecf3441ac21..2dcfca850639 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -228,7 +228,7 @@ M: Len Brown <lenb@kernel.org> L: linux-acpi@vger.kernel.org W: http://www.lesswatts.org/projects/acpi/ Q: http://patchwork.kernel.org/project/linux-acpi/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux S: Supported F: drivers/acpi/ F: drivers/pnp/pnpacpi/ @@ -1251,7 +1251,6 @@ ATHEROS ATH5K WIRELESS DRIVER M: Jiri Slaby <jirislaby@gmail.com> M: Nick Kossifidis <mickflemm@gmail.com> M: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com> -M: Bob Copeland <me@bobcopeland.com> L: linux-wireless@vger.kernel.org L: ath5k-devel@lists.ath5k.org W: http://wireless.kernel.org/en/users/Drivers/ath5k @@ -2451,17 +2450,17 @@ F: fs/ecryptfs/ EDAC-CORE M: Doug Thompson <dougthompson@xmission.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Supported F: Documentation/edac.txt -F: drivers/edac/edac_* +F: drivers/edac/ F: include/linux/edac.h EDAC-AMD64 M: Doug Thompson <dougthompson@xmission.com> M: Borislav Petkov <borislav.petkov@amd.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Supported F: drivers/edac/amd64_edac* @@ -2469,35 +2468,35 @@ F: drivers/edac/amd64_edac* EDAC-E752X M: Mark Gross <mark.gross@intel.com> M: Doug Thompson <dougthompson@xmission.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/e752x_edac.c EDAC-E7XXX M: Doug Thompson <dougthompson@xmission.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/e7xxx_edac.c EDAC-I82443BXGX M: Tim Small <tim@buttersideup.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/i82443bxgx_edac.c EDAC-I3000 M: Jason Uhlenkott <juhlenko@akamai.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/i3000_edac.c EDAC-I5000 M: Doug Thompson <dougthompson@xmission.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/i5000_edac.c @@ -2526,21 +2525,21 @@ F: drivers/edac/i7core_edac.c EDAC-I82975X M: Ranganathan Desikan <ravi@jetztechnologies.com> M: "Arvind R." <arvino55@gmail.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/i82975x_edac.c EDAC-PASEMI M: Egor Martovetsky <egor@pasemi.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/pasemi_edac.c EDAC-R82600 M: Tim Small <tim@buttersideup.com> -L: bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers) +L: linux-edac@vger.kernel.org W: bluesmoke.sourceforge.net S: Maintained F: drivers/edac/r82600_edac.c @@ -3557,17 +3556,13 @@ L: linux-pm@vger.kernel.org S: Supported F: arch/x86/platform/mrst/pmu.* -INTEL PRO/WIRELESS 2100 NETWORK CONNECTION SUPPORT +INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT +M: Stanislav Yakovlev <stas.yakovlev@gmail.com> L: linux-wireless@vger.kernel.org -S: Orphan +S: Maintained F: Documentation/networking/README.ipw2100 -F: drivers/net/wireless/ipw2x00/ipw2100.* - -INTEL PRO/WIRELESS 2915ABG NETWORK CONNECTION SUPPORT -L: linux-wireless@vger.kernel.org -S: Orphan F: Documentation/networking/README.ipw2200 -F: drivers/net/wireless/ipw2x00/ipw2200.* +F: drivers/net/wireless/ipw2x00/ INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT) M: Joseph Cihula <joseph.cihula@intel.com> @@ -4314,6 +4309,13 @@ W: http://www.kernel.org/doc/man-pages L: linux-man@vger.kernel.org S: Maintained +MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2) +M: Mirko Lindner <mlindner@marvell.com> +M: Stephen Hemminger <shemminger@vyatta.com> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/ethernet/marvell/sk* + MARVELL LIBERTAS WIRELESS DRIVER M: Dan Williams <dcbw@redhat.com> L: libertas-dev@lists.infradead.org @@ -4344,12 +4346,6 @@ M: Nicolas Pitre <nico@fluxnic.net> S: Odd Fixes F: drivers/mmc/host/mvsdio.* -MARVELL YUKON / SYSKONNECT DRIVER -M: Mirko Lindner <mlindner@syskonnect.de> -M: Ralph Roesler <rroesler@syskonnect.de> -W: http://www.syskonnect.com -S: Supported - MATROX FRAMEBUFFER DRIVER L: linux-fbdev@vger.kernel.org S: Orphan @@ -5642,7 +5638,7 @@ M: Ohad Ben-Cohen <ohad@wizery.com> S: Maintained F: drivers/remoteproc/ F: Documentation/remoteproc.txt -F: include/linux/remoteproc.txt +F: include/linux/remoteproc.h RFKILL M: Johannes Berg <johannes@sipsolutions.net> @@ -6121,12 +6117,6 @@ W: http://www.winischhofer.at/linuxsisusbvga.shtml S: Maintained F: drivers/usb/misc/sisusbvga/ -SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS -M: Stephen Hemminger <shemminger@vyatta.com> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/ethernet/marvell/sk* - SLAB ALLOCATOR M: Christoph Lameter <cl@linux-foundation.org> M: Pekka Enberg <penberg@kernel.org> @@ -6292,6 +6282,15 @@ F: drivers/tty/serial/sunsu.c F: drivers/tty/serial/sunzilog.c F: drivers/tty/serial/sunzilog.h +SPARSE CHECKER +M: "Christopher Li" <sparse@chrisli.org> +L: linux-sparse@vger.kernel.org +W: https://sparse.wiki.kernel.org/ +T: git git://git.kernel.org/pub/scm/devel/sparse/sparse.git +T: git git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git +S: Maintained +F: include/linux/compiler.h + SPEAR PLATFORM SUPPORT M: Viresh Kumar <viresh.kumar@st.com> L: spear-devel@list.st.com @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 4 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc2 NAME = Saber-toothed Squirrel # *DOCUMENTATION* diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h index 4567aca6fdd6..dfa32f061320 100644 --- a/arch/alpha/include/asm/dma-mapping.h +++ b/arch/alpha/include/asm/dma-mapping.h @@ -12,16 +12,22 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) #include <asm-generic/dma-mapping-common.h> -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { - return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp); + return get_dma_ops(dev)->alloc(dev, size, dma_handle, gfp, attrs); } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { - get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle); + get_dma_ops(dev)->free(dev, size, vaddr, dma_handle, attrs); } static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c index 04eea4894ef3..df24b76f9246 100644 --- a/arch/alpha/kernel/pci-noop.c +++ b/arch/alpha/kernel/pci-noop.c @@ -108,7 +108,8 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn, } static void *alpha_noop_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { void *ret; @@ -123,7 +124,8 @@ static void *alpha_noop_alloc_coherent(struct device *dev, size_t size, } static void alpha_noop_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_addr) + void *cpu_addr, dma_addr_t dma_addr, + struct dma_attrs *attrs) { free_pages((unsigned long)cpu_addr, get_order(size)); } @@ -174,8 +176,8 @@ static int alpha_noop_set_mask(struct device *dev, u64 mask) } struct dma_map_ops alpha_noop_ops = { - .alloc_coherent = alpha_noop_alloc_coherent, - .free_coherent = alpha_noop_free_coherent, + .alloc = alpha_noop_alloc_coherent, + .free = alpha_noop_free_coherent, .map_page = alpha_noop_map_page, .map_sg = alpha_noop_map_sg, .mapping_error = alpha_noop_mapping_error, diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 43610804987d..cd634795aa9c 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -434,7 +434,8 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr, else DMA_ADDRP is undefined. */ static void *alpha_pci_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addrp, gfp_t gfp) + dma_addr_t *dma_addrp, gfp_t gfp, + struct dma_attrs *attrs) { struct pci_dev *pdev = alpha_gendev_to_pci(dev); void *cpu_addr; @@ -478,7 +479,8 @@ try_again: DMA_ADDR past this call are illegal. */ static void alpha_pci_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_addr) + void *cpu_addr, dma_addr_t dma_addr, + struct dma_attrs *attrs) { struct pci_dev *pdev = alpha_gendev_to_pci(dev); pci_unmap_single(pdev, dma_addr, size, PCI_DMA_BIDIRECTIONAL); @@ -952,8 +954,8 @@ static int alpha_pci_set_mask(struct device *dev, u64 mask) } struct dma_map_ops alpha_pci_ops = { - .alloc_coherent = alpha_pci_alloc_coherent, - .free_coherent = alpha_pci_free_coherent, + .alloc = alpha_pci_alloc_coherent, + .free = alpha_pci_free_coherent, .map_page = alpha_pci_map_page, .unmap_page = alpha_pci_unmap_page, .map_sg = alpha_pci_map_sg, diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index 6f7feb5db271..35f2ef44de12 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -120,12 +120,13 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, */ SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask) { - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); + sigset_t blocked; + current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + + mask &= _BLOCKABLE; + siginitset(&blocked, mask); + set_current_blocked(&blocked); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -238,10 +239,7 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs, goto give_sigsegv; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(sc, regs, sw)) goto give_sigsegv; @@ -276,10 +274,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs, goto give_sigsegv; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw)) goto give_sigsegv; @@ -501,14 +496,8 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, else ret = setup_frame(sig, ka, oldset, regs, sw); - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } + if (ret == 0) + block_sigmask(ka, sig); return ret; } diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 4087a569b43b..50d438db1f6b 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -450,7 +450,7 @@ setup_smp(void) smp_num_probed = 1; } - printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_map = %lx\n", + printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_mask = %lx\n", smp_num_probed, cpumask_bits(cpu_present_mask)[0]); } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 93180845ae16..cf006d40342c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -338,6 +338,7 @@ config ARCH_AT91 select HAVE_CLK select CLKDEV_LOOKUP select IRQ_DOMAIN + select NEED_MACH_IO_H if PCCARD help This enables support for systems based on the Atmel AT91RM9200, AT91SAM9 processors. diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi index 92f36627e7f8..799ad1889b51 100644 --- a/arch/arm/boot/dts/at91sam9g20.dtsi +++ b/arch/arm/boot/dts/at91sam9g20.dtsi @@ -35,7 +35,7 @@ }; }; - memory@20000000 { + memory { reg = <0x20000000 0x08000000>; }; diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts index ac0dc0031dda..7829a4d0cb22 100644 --- a/arch/arm/boot/dts/at91sam9g25ek.dts +++ b/arch/arm/boot/dts/at91sam9g25ek.dts @@ -37,8 +37,8 @@ usb0: ohci@00600000 { status = "okay"; num-ports = <2>; - atmel,vbus-gpio = <&pioD 19 0 - &pioD 20 0 + atmel,vbus-gpio = <&pioD 19 1 + &pioD 20 1 >; }; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 3d0c32fb218f..9e6eb6ecea0e 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -36,7 +36,7 @@ }; }; - memory@70000000 { + memory { reg = <0x70000000 0x10000000>; }; diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts index c4c8ae4123d5..a3633bd13111 100644 --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts @@ -17,7 +17,7 @@ bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2"; }; - memory@70000000 { + memory { reg = <0x70000000 0x4000000>; }; @@ -73,8 +73,8 @@ usb0: ohci@00700000 { status = "okay"; num-ports = <2>; - atmel,vbus-gpio = <&pioD 1 0 - &pioD 3 0>; + atmel,vbus-gpio = <&pioD 1 1 + &pioD 3 1>; }; usb1: ehci@00800000 { diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index c111001f254e..70ab3a4e026f 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -34,7 +34,7 @@ }; }; - memory@20000000 { + memory { reg = <0x20000000 0x10000000>; }; @@ -201,8 +201,8 @@ >; atmel,nand-addr-offset = <21>; atmel,nand-cmd-offset = <22>; - gpios = <&pioC 8 0 - &pioC 14 0 + gpios = <&pioD 5 0 + &pioD 4 0 0 >; status = "disabled"; diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi index 67936f83c694..31e7be23703d 100644 --- a/arch/arm/boot/dts/at91sam9x5cm.dtsi +++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi @@ -8,7 +8,7 @@ */ / { - memory@20000000 { + memory { reg = <0x20000000 0x8000000>; }; diff --git a/arch/arm/boot/dts/usb_a9g20.dts b/arch/arm/boot/dts/usb_a9g20.dts index 3b3c4e0fa79f..7c2399c532e5 100644 --- a/arch/arm/boot/dts/usb_a9g20.dts +++ b/arch/arm/boot/dts/usb_a9g20.dts @@ -16,7 +16,7 @@ bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs"; }; - memory@20000000 { + memory { reg = <0x20000000 0x4000000>; }; diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index 44f4a09ff37b..05112380dc53 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -2,6 +2,7 @@ #define __ASM_BARRIER_H #ifndef __ASSEMBLY__ +#include <asm/outercache.h> #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t"); @@ -39,7 +40,6 @@ #ifdef CONFIG_ARCH_HAS_BARRIERS #include <mach/barriers.h> #elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP) -#include <asm/outercache.h> #define mb() do { dsb(); outer_sync(); } while (0) #define rmb() dsb() #define wmb() mb() diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index df0ac0bb39aa..9af5563dd3eb 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -119,7 +119,7 @@ static inline void __iomem *__typesafe_io(unsigned long addr) #ifdef CONFIG_NEED_MACH_IO_H #include <mach/io.h> #else -#define __io(a) ({ (void)(a); __typesafe_io(0); }) +#define __io(a) __typesafe_io((a) & IO_SPACE_LIMIT) #endif /* diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 632df9a66f8c..ede5f7741c42 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -299,7 +299,6 @@ static inline int pdev_bad_for_parity(struct pci_dev *dev) */ void pcibios_fixup_bus(struct pci_bus *bus) { - struct pci_sys_data *root = bus->sysdata; struct pci_dev *dev; u16 features = PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_FAST_BACK; diff --git a/arch/arm/kernel/insn.c b/arch/arm/kernel/insn.c index ab312e516546..b760340b7014 100644 --- a/arch/arm/kernel/insn.c +++ b/arch/arm/kernel/insn.c @@ -1,3 +1,4 @@ +#include <linux/bug.h> #include <linux/kernel.h> #include <asm/opcodes.h> diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c index ab1869dac97a..4dd41fc9e235 100644 --- a/arch/arm/kernel/kprobes.c +++ b/arch/arm/kernel/kprobes.c @@ -152,7 +152,7 @@ int __kprobes __arch_disarm_kprobe(void *p) void __kprobes arch_disarm_kprobe(struct kprobe *p) { - stop_machine(__arch_disarm_kprobe, p, &cpu_online_map); + stop_machine(__arch_disarm_kprobe, p, cpu_online_mask); } void __kprobes arch_remove_kprobe(struct kprobe *p) diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 45956c9d0ef0..80abafb9bf33 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -256,7 +256,7 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off, { unsigned long tmp; - if (off & 3 || off >= sizeof(struct user)) + if (off & 3) return -EIO; tmp = 0; @@ -268,6 +268,8 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off, tmp = tsk->mm->end_code; else if (off < sizeof(struct pt_regs)) tmp = get_user_reg(tsk, off >> 2); + else if (off >= sizeof(struct user)) + return -EIO; return put_user(tmp, ret); } diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 2cee7d1eb958..addbbe8028c2 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -349,7 +349,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) * re-initialize the map in platform_smp_prepare_cpus() if * present != possible (e.g. physical hotplug). */ - init_cpu_present(&cpu_possible_map); + init_cpu_present(cpu_possible_mask); /* * Initialise the SCU if there are more than one CPU @@ -581,8 +581,9 @@ void smp_send_stop(void) unsigned long timeout; if (num_online_cpus() > 1) { - cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); + struct cpumask mask; + cpumask_copy(&mask, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), &mask); smp_cross_call(&mask, IPI_CPU_STOP); } diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index 7e5651ee9f85..5652dde4bbe2 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -598,6 +598,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) else cs_pin = spi1_standard_cs[devices[i].chip_select]; + if (!gpio_is_valid(cs_pin)) + continue; + if (devices[i].bus_num == 0) enable_spi0 = 1; else diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 096da87dc00d..4db961a93085 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -415,6 +415,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) else cs_pin = spi1_standard_cs[devices[i].chip_select]; + if (!gpio_is_valid(cs_pin)) + continue; + if (devices[i].bus_num == 0) enable_spi0 = 1; else diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 53688c46f956..fe99206de880 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -72,7 +72,8 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) /* Enable VBus control for UHP ports */ for (i = 0; i < data->ports; i++) { if (gpio_is_valid(data->vbus_pin[i])) - at91_set_gpio_output(data->vbus_pin[i], 0); + at91_set_gpio_output(data->vbus_pin[i], + data->vbus_pin_active_low[i]); } /* Enable overcurrent notification */ @@ -671,6 +672,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) else cs_pin = spi1_standard_cs[devices[i].chip_select]; + if (!gpio_is_valid(cs_pin)) + continue; + if (devices[i].bus_num == 0) enable_spi0 = 1; else diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index 698479f1e197..6b008aee1dff 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -127,12 +127,13 @@ void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) /* Enable VBus control for UHP ports */ for (i = 0; i < data->ports; i++) { if (gpio_is_valid(data->vbus_pin[i])) - at91_set_gpio_output(data->vbus_pin[i], 0); + at91_set_gpio_output(data->vbus_pin[i], + data->vbus_pin_active_low[i]); } /* Enable overcurrent notification */ for (i = 0; i < data->ports; i++) { - if (data->overcurrent_pin[i]) + if (gpio_is_valid(data->overcurrent_pin[i])) at91_set_gpio_input(data->overcurrent_pin[i], 1); } @@ -188,7 +189,8 @@ void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) /* Enable VBus control for UHP ports */ for (i = 0; i < data->ports; i++) { if (gpio_is_valid(data->vbus_pin[i])) - at91_set_gpio_output(data->vbus_pin[i], 0); + at91_set_gpio_output(data->vbus_pin[i], + data->vbus_pin_active_low[i]); } usbh_ehci_data = *data; @@ -785,6 +787,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) else cs_pin = spi1_standard_cs[devices[i].chip_select]; + if (!gpio_is_valid(cs_pin)) + continue; + if (devices[i].bus_num == 0) enable_spi0 = 1; else diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index eda72e83037d..fe4ae22e8561 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -419,6 +419,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) else cs_pin = spi_standard_cs[devices[i].chip_select]; + if (!gpio_is_valid(cs_pin)) + continue; + /* enable chip-select pin */ at91_set_gpio_output(cs_pin, 1); diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c index b6831eeb7b76..13c8cae60462 100644 --- a/arch/arm/mach-at91/at91sam9x5.c +++ b/arch/arm/mach-at91/at91sam9x5.c @@ -223,6 +223,8 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("usart", "f8028000.serial", &usart3_clk), CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb0_clk), CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb0_clk), + CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma0_clk), + CLKDEV_CON_DEV_ID("dma_clk", "ffffee00.dma-controller", &dma1_clk), CLKDEV_CON_ID("pioA", &pioAB_clk), CLKDEV_CON_ID("pioB", &pioAB_clk), CLKDEV_CON_ID("pioC", &pioCD_clk), diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index 66f0ddf4b2ae..2ffe50f3a9e9 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -74,6 +74,7 @@ static void __init ek_init_early(void) static struct at91_usbh_data __initdata ek_usbh_data = { .ports = 2, .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, + .vbus_pin_active_low = {1, 1}, .overcurrent_pin= {-EINVAL, -EINVAL}, }; diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c index e1bea73e6b30..c88e908ddd82 100644 --- a/arch/arm/mach-at91/board-sam9m10g45ek.c +++ b/arch/arm/mach-at91/board-sam9m10g45ek.c @@ -71,6 +71,7 @@ static void __init ek_init_early(void) static struct at91_usbh_data __initdata ek_usbh_hs_data = { .ports = 2, .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3}, + .vbus_pin_active_low = {1, 1}, .overcurrent_pin= {-EINVAL, -EINVAL}, }; diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index 544a5d5ce416..49a821192c65 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -86,14 +86,15 @@ extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *d extern void __init at91_add_device_eth(struct macb_platform_data *data); /* USB Host */ +#define AT91_MAX_USBH_PORTS 3 struct at91_usbh_data { - u8 ports; /* number of ports on root hub */ - int vbus_pin[2]; /* port power-control pin */ - u8 vbus_pin_active_low[2]; + int vbus_pin[AT91_MAX_USBH_PORTS]; /* port power-control pin */ + int overcurrent_pin[AT91_MAX_USBH_PORTS]; + u8 ports; /* number of ports on root hub */ u8 overcurrent_supported; - int overcurrent_pin[2]; - u8 overcurrent_status[2]; - u8 overcurrent_changed[2]; + u8 vbus_pin_active_low[AT91_MAX_USBH_PORTS]; + u8 overcurrent_status[AT91_MAX_USBH_PORTS]; + u8 overcurrent_changed[AT91_MAX_USBH_PORTS]; }; extern void __init at91_add_device_usbh(struct at91_usbh_data *data); extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data); diff --git a/arch/arm/mach-at91/include/mach/io.h b/arch/arm/mach-at91/include/mach/io.h new file mode 100644 index 000000000000..2d9ca0455745 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/io.h @@ -0,0 +1,27 @@ +/* + * arch/arm/mach-at91/include/mach/io.h + * + * Copyright (C) 2003 SAN People + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARCH_IO_H +#define __ASM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xFFFFFFFF +#define __io(a) __typesafe_io(a) + +#endif diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index e6cc50e94a58..8614aab47cc0 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -583,10 +583,11 @@ core_initcall(exynos_core_init); #ifdef CONFIG_CACHE_L2X0 static int __init exynos4_l2x0_cache_init(void) { + int ret; + if (soc_is_exynos5250()) return 0; - int ret; ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK); if (!ret) { l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs); diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c index 3983abee4264..69aaa4503205 100644 --- a/arch/arm/mach-exynos/dma.c +++ b/arch/arm/mach-exynos/dma.c @@ -35,8 +35,6 @@ #include <mach/irqs.h> #include <mach/dma.h> -static u64 dma_dmamask = DMA_BIT_MASK(32); - static u8 exynos4210_pdma0_peri[] = { DMACH_PCM0_RX, DMACH_PCM0_TX, diff --git a/arch/arm/mach-exynos/include/mach/debug-macro.S b/arch/arm/mach-exynos/include/mach/debug-macro.S index 6c857ff0b5d8..e0c86ea475e7 100644 --- a/arch/arm/mach-exynos/include/mach/debug-macro.S +++ b/arch/arm/mach-exynos/include/mach/debug-macro.S @@ -21,10 +21,9 @@ */ .macro addruart, rp, rv, tmp - mov \rp, #0x10000000 - ldr \rp, [\rp, #0x0] - and \rp, \rp, #0xf00000 - teq \rp, #0x500000 @@ EXYNOS5 + mrc p15, 0, \tmp, c0, c0, 0 + and \tmp, \tmp, #0xf0 + teq \tmp, #0xf0 @@ A15 ldreq \rp, =EXYNOS5_PA_UART movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 ldr \rv, =S3C_VA_UART diff --git a/arch/arm/mach-exynos/include/mach/uncompress.h b/arch/arm/mach-exynos/include/mach/uncompress.h index 493f4f365ddf..2979995d5a6a 100644 --- a/arch/arm/mach-exynos/include/mach/uncompress.h +++ b/arch/arm/mach-exynos/include/mach/uncompress.h @@ -20,9 +20,24 @@ volatile u8 *uart_base; #include <plat/uncompress.h> +static unsigned int __raw_readl(unsigned int ptr) +{ + return *((volatile unsigned int *)ptr); +} + static void arch_detect_cpu(void) { - if (machine_is_smdk5250()) + u32 chip_id = __raw_readl(EXYNOS_PA_CHIPID); + + /* + * product_id is bits 31:12 + * bits 23:20 describe the exynosX family + * + */ + chip_id >>= 20; + chip_id &= 0xf; + + if (chip_id == 0x5) uart_base = (volatile u8 *)EXYNOS5_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT); else uart_base = (volatile u8 *)EXYNOS4_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT); diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c index b9a95ed75553..98e04f5a87dd 100644 --- a/arch/arm/mach-imx/clock-imx27.c +++ b/arch/arm/mach-imx/clock-imx27.c @@ -662,6 +662,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK(NULL, "dma", dma_clk) _REGISTER_CLOCK(NULL, "rtic", rtic_clk) _REGISTER_CLOCK(NULL, "brom", brom_clk) + _REGISTER_CLOCK(NULL, "emma", emma_clk) _REGISTER_CLOCK("m2m-emmaprp.0", NULL, emma_clk) _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk) _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk) diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c index 1e279af656ad..e56c1a83eee3 100644 --- a/arch/arm/mach-imx/clock-imx35.c +++ b/arch/arm/mach-imx/clock-imx35.c @@ -483,7 +483,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk) _REGISTER_CLOCK(NULL, "max", max_clk) _REGISTER_CLOCK(NULL, "audmux", audmux_clk) - _REGISTER_CLOCK(NULL, "csi", csi_clk) + _REGISTER_CLOCK("mx3-camera.0", NULL, csi_clk) _REGISTER_CLOCK(NULL, "iim", iim_clk) _REGISTER_CLOCK(NULL, "gpu2d", gpu2d_clk) _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) diff --git a/arch/arm/mach-imx/mach-armadillo5x0.c b/arch/arm/mach-imx/mach-armadillo5x0.c index 27bc27e6ea41..c650145d1646 100644 --- a/arch/arm/mach-imx/mach-armadillo5x0.c +++ b/arch/arm/mach-imx/mach-armadillo5x0.c @@ -38,6 +38,8 @@ #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> #include <linux/delay.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -479,6 +481,11 @@ static struct platform_device *devices[] __initdata = { &armadillo5x0_smc911x_device, }; +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vdd33a", "smsc911x"), + REGULATOR_SUPPLY("vddvario", "smsc911x"), +}; + /* * Perform board specific initializations */ @@ -489,6 +496,8 @@ static void __init armadillo5x0_init(void) mxc_iomux_setup_multiple_pins(armadillo5x0_pins, ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0"); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + platform_add_devices(devices, ARRAY_SIZE(devices)); imx_add_gpio_keys(&armadillo5x0_button_data); imx31_add_imx_i2c1(NULL); diff --git a/arch/arm/mach-imx/mach-kzm_arm11_01.c b/arch/arm/mach-imx/mach-kzm_arm11_01.c index fc78e8071cd1..15a26e908260 100644 --- a/arch/arm/mach-imx/mach-kzm_arm11_01.c +++ b/arch/arm/mach-imx/mach-kzm_arm11_01.c @@ -24,6 +24,8 @@ #include <linux/serial_8250.h> #include <linux/smsc911x.h> #include <linux/types.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <asm/irq.h> #include <asm/mach-types.h> @@ -166,6 +168,11 @@ static struct platform_device kzm_smsc9118_device = { }, }; +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vdd33a", "smsc911x"), + REGULATOR_SUPPLY("vddvario", "smsc911x"), +}; + static int __init kzm_init_smsc9118(void) { /* @@ -175,6 +182,8 @@ static int __init kzm_init_smsc9118(void) gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2), "smsc9118-int"); gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2)); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + return platform_device_register(&kzm_smsc9118_device); } #else diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c index 02401bbd6d53..83714b0cc290 100644 --- a/arch/arm/mach-imx/mach-mx31lilly.c +++ b/arch/arm/mach-imx/mach-mx31lilly.c @@ -34,6 +34,8 @@ #include <linux/mfd/mc13783.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -242,6 +244,11 @@ static struct platform_device *devices[] __initdata = { static int mx31lilly_baseboard; core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vdd33a", "smsc911x"), + REGULATOR_SUPPLY("vddvario", "smsc911x"), +}; + static void __init mx31lilly_board_init(void) { imx31_soc_init(); @@ -280,6 +287,8 @@ static void __init mx31lilly_board_init(void) imx31_add_spi_imx1(&spi1_pdata); spi_register_board_info(&mc13783_dev, 1); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + platform_add_devices(devices, ARRAY_SIZE(devices)); /* USB */ diff --git a/arch/arm/mach-imx/mach-mx31lite.c b/arch/arm/mach-imx/mach-mx31lite.c index ef80751712e7..0abef5f13df5 100644 --- a/arch/arm/mach-imx/mach-mx31lite.c +++ b/arch/arm/mach-imx/mach-mx31lite.c @@ -29,6 +29,8 @@ #include <linux/usb/ulpi.h> #include <linux/mtd/physmap.h> #include <linux/delay.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -226,6 +228,11 @@ void __init mx31lite_map_io(void) static int mx31lite_baseboard; core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444); +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vdd33a", "smsc911x"), + REGULATOR_SUPPLY("vddvario", "smsc911x"), +}; + static void __init mx31lite_init(void) { int ret; @@ -259,6 +266,8 @@ static void __init mx31lite_init(void) if (usbh2_pdata.otg) imx31_add_mxc_ehci_hs(2, &usbh2_pdata); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + /* SMSC9117 IRQ pin */ ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); if (ret) diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c index e14291d89e4f..6ae51c6b95b7 100644 --- a/arch/arm/mach-imx/mach-mx35_3ds.c +++ b/arch/arm/mach-imx/mach-mx35_3ds.c @@ -97,7 +97,7 @@ static struct i2c_board_info __initdata i2c_devices_3ds[] = { static int lcd_power_gpio = -ENXIO; static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, - void *data) + const void *data) { return !strcmp(chip->label, data); } diff --git a/arch/arm/mach-imx/mach-mx53_ard.c b/arch/arm/mach-imx/mach-mx53_ard.c index 753f4fc9ec04..05641980dc5e 100644 --- a/arch/arm/mach-imx/mach-mx53_ard.c +++ b/arch/arm/mach-imx/mach-mx53_ard.c @@ -23,6 +23,8 @@ #include <linux/delay.h> #include <linux/gpio.h> #include <linux/smsc911x.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <mach/common.h> #include <mach/hardware.h> @@ -214,6 +216,11 @@ static int weim_cs_config(void) return 0; } +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vdd33a", "smsc911x"), + REGULATOR_SUPPLY("vddvario", "smsc911x"), +}; + void __init imx53_ard_common_init(void) { mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads, @@ -232,6 +239,7 @@ static void __init mx53_ard_board_init(void) imx53_ard_common_init(); mx53_ard_io_init(); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); platform_add_devices(devices, ARRAY_SIZE(devices)); imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data); diff --git a/arch/arm/mach-msm/include/mach/uncompress.h b/arch/arm/mach-msm/include/mach/uncompress.h index 169a84007456..c14011fe832d 100644 --- a/arch/arm/mach-msm/include/mach/uncompress.h +++ b/arch/arm/mach-msm/include/mach/uncompress.h @@ -16,6 +16,7 @@ #ifndef __ASM_ARCH_MSM_UNCOMPRESS_H #define __ASM_ARCH_MSM_UNCOMPRESS_H +#include <asm/barrier.h> #include <asm/processor.h> #include <mach/msm_iomap.h> diff --git a/arch/arm/mach-msm/smd_debug.c b/arch/arm/mach-msm/smd_debug.c index 0c56a5aaf588..c56df9e932ae 100644 --- a/arch/arm/mach-msm/smd_debug.c +++ b/arch/arm/mach-msm/smd_debug.c @@ -203,15 +203,9 @@ static ssize_t debug_read(struct file *file, char __user *buf, return simple_read_from_buffer(buf, count, ppos, debug_buffer, bsize); } -static int debug_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static const struct file_operations debug_ops = { .read = debug_read, - .open = debug_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/arch/arm/mach-omap1/include/mach/io.h b/arch/arm/mach-omap1/include/mach/io.h new file mode 100644 index 000000000000..ce4f8005b26f --- /dev/null +++ b/arch/arm/mach-omap1/include/mach/io.h @@ -0,0 +1,45 @@ +/* + * arch/arm/mach-omap1/include/mach/io.h + * + * IO definitions for TI OMAP processors and boards + * + * Copied from arch/arm/mach-sa1100/include/mach/io.h + * Copyright (C) 1997-1999 Russell King + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Modifications: + * 06-12-1997 RMK Created. + * 07-04-1999 RMK Major cleanup + */ + +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * We don't actually have real ISA nor PCI buses, but there is so many + * drivers out there that might just work if we fake them... + */ +#define __io(a) __typesafe_io(a) + +#endif diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 41b0a2fe0b04..909a8b91b564 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -26,6 +26,7 @@ #include <linux/i2c/at24.h> #include <linux/i2c/twl.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/mmc/host.h> @@ -81,8 +82,23 @@ static struct omap_smsc911x_platform_data sb_t35_smsc911x_cfg = { .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, }; +static struct regulator_consumer_supply cm_t35_smsc911x_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + +static struct regulator_consumer_supply sb_t35_smsc911x_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.1"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.1"), +}; + static void __init cm_t35_init_ethernet(void) { + regulator_register_fixed(0, cm_t35_smsc911x_supplies, + ARRAY_SIZE(cm_t35_smsc911x_supplies)); + regulator_register_fixed(1, sb_t35_smsc911x_supplies, + ARRAY_SIZE(sb_t35_smsc911x_supplies)); + gpmc_smsc911x_init(&cm_t35_smsc911x_cfg); gpmc_smsc911x_init(&sb_t35_smsc911x_cfg); } diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index e558800adfdf..930c0d380435 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -634,8 +634,14 @@ static void __init igep_wlan_bt_init(void) static inline void __init igep_wlan_bt_init(void) { } #endif +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + static void __init igep_init(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); /* Get IGEP2 hardware revision */ diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index d50a562adfa0..1b6049567ab4 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -22,6 +22,7 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/spi/spi.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/i2c/twl.h> #include <linux/io.h> @@ -410,8 +411,14 @@ static struct mtd_partition ldp_nand_partitions[] = { }; +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + static void __init omap_ldp_init(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); ldp_init_smsc911x(); omap_i2c_init(); diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 4c90f078abe1..49df12735b41 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -114,15 +114,6 @@ static struct omap_smsc911x_platform_data smsc911x_cfg = { static inline void __init omap3evm_init_smsc911x(void) { - struct clk *l3ck; - unsigned int rate; - - l3ck = clk_get(NULL, "l3_ck"); - if (IS_ERR(l3ck)) - rate = 100000000; - else - rate = clk_get_rate(l3ck); - /* Configure ethernet controller reset gpio */ if (cpu_is_omap3430()) { if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1) @@ -632,9 +623,15 @@ static void __init omap3_evm_wl12xx_init(void) #endif } +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + static void __init omap3_evm_init(void) { omap3_evm_get_revision(); + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); if (cpu_is_omap3630()) omap3_mux_init(omap36x_board_mux, OMAP_PACKAGE_CBB); diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c index 4a7d8c8a75da..9b3c141ff51b 100644 --- a/arch/arm/mach-omap2/board-omap3logic.c +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -23,6 +23,7 @@ #include <linux/io.h> #include <linux/gpio.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/i2c/twl.h> @@ -188,8 +189,14 @@ static struct omap_board_mux board_mux[] __initdata = { }; #endif +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + static void __init omap3logic_init(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); omap3torpedo_fix_pbias_voltage(); omap3logic_i2c_init(); diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index 641004380795..4dffc95bddd2 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -24,6 +24,7 @@ #include <linux/input.h> #include <linux/gpio_keys.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/i2c/twl.h> #include <linux/mmc/host.h> @@ -72,15 +73,6 @@ static struct omap_smsc911x_platform_data smsc911x_cfg = { static inline void __init omap3stalker_init_eth(void) { - struct clk *l3ck; - unsigned int rate; - - l3ck = clk_get(NULL, "l3_ck"); - if (IS_ERR(l3ck)) - rate = 100000000; - else - rate = clk_get_rate(l3ck); - omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP); gpmc_smsc911x_init(&smsc911x_cfg); } @@ -419,8 +411,14 @@ static struct omap_board_mux board_mux[] __initdata = { }; #endif +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + static void __init omap3_stalker_init(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); omap_board_config = omap3_stalker_config; omap_board_config_size = ARRAY_SIZE(omap3_stalker_config); diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 668533e2a379..33aa3910b09e 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -498,10 +498,18 @@ static struct gpio overo_bt_gpios[] __initdata = { { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" }, }; +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), + REGULATOR_SUPPLY("vddvario", "smsc911x.1"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.1"), +}; + static void __init overo_init(void) { int ret; + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); omap_hsmmc_init(mmc); overo_i2c_init(); diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c index 1e8540eabde9..f64f44173061 100644 --- a/arch/arm/mach-omap2/board-zoom-debugboard.c +++ b/arch/arm/mach-omap2/board-zoom-debugboard.c @@ -14,6 +14,9 @@ #include <linux/smsc911x.h> #include <linux/interrupt.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> + #include <plat/gpmc.h> #include <plat/gpmc-smsc911x.h> @@ -117,11 +120,17 @@ static struct platform_device *zoom_devices[] __initdata = { &zoom_debugboard_serial_device, }; +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + int __init zoom_debugboard_init(void) { if (!omap_zoom_debugboard_detect()) return 0; + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); zoom_init_smsc911x(); zoom_init_quaduart(); return platform_add_devices(zoom_devices, ARRAY_SIZE(zoom_devices)); diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c index 480fb8f09aed..f4a626f7c79e 100644 --- a/arch/arm/mach-omap2/clock3xxx_data.c +++ b/arch/arm/mach-omap2/clock3xxx_data.c @@ -747,7 +747,7 @@ static struct clk dpll4_m3_ck = { .parent = &dpll4_ck, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_TV_MASK, + .clksel_mask = OMAP3630_CLKSEL_TV_MASK, .clksel = dpll4_clksel, .clkdm_name = "dpll4_clkdm", .recalc = &omap2_clksel_recalc, @@ -832,7 +832,7 @@ static struct clk dpll4_m4_ck = { .parent = &dpll4_ck, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_DSS1_MASK, + .clksel_mask = OMAP3630_CLKSEL_DSS1_MASK, .clksel = dpll4_clksel, .clkdm_name = "dpll4_clkdm", .recalc = &omap2_clksel_recalc, @@ -859,7 +859,7 @@ static struct clk dpll4_m5_ck = { .parent = &dpll4_ck, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_CAM_MASK, + .clksel_mask = OMAP3630_CLKSEL_CAM_MASK, .clksel = dpll4_clksel, .clkdm_name = "dpll4_clkdm", .set_rate = &omap2_clksel_set_rate, @@ -886,7 +886,7 @@ static struct clk dpll4_m6_ck = { .parent = &dpll4_ck, .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_DIV_DPLL4_MASK, + .clksel_mask = OMAP3630_DIV_DPLL4_MASK, .clksel = dpll4_clksel, .clkdm_name = "dpll4_clkdm", .recalc = &omap2_clksel_recalc, @@ -1394,6 +1394,7 @@ static struct clk cpefuse_fck = { .name = "cpefuse_fck", .ops = &clkops_omap2_dflt, .parent = &sys_ck, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3), .enable_bit = OMAP3430ES2_EN_CPEFUSE_SHIFT, .recalc = &followparent_recalc, @@ -1403,6 +1404,7 @@ static struct clk ts_fck = { .name = "ts_fck", .ops = &clkops_omap2_dflt, .parent = &omap_32k_fck, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3), .enable_bit = OMAP3430ES2_EN_TS_SHIFT, .recalc = &followparent_recalc, @@ -1412,6 +1414,7 @@ static struct clk usbtll_fck = { .name = "usbtll_fck", .ops = &clkops_omap2_dflt_wait, .parent = &dpll5_m2_ck, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3), .enable_bit = OMAP3430ES2_EN_USBTLL_SHIFT, .recalc = &followparent_recalc, @@ -1617,6 +1620,7 @@ static struct clk fshostusb_fck = { .name = "fshostusb_fck", .ops = &clkops_omap2_dflt_wait, .parent = &core_48m_fck, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430ES1_EN_FSHOSTUSB_SHIFT, .recalc = &followparent_recalc, @@ -2043,6 +2047,7 @@ static struct clk omapctrl_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_OMAPCTRL_SHIFT, .flags = ENABLE_ON_INIT, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -2094,6 +2099,7 @@ static struct clk usb_l4_ick = { .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL), .clksel_mask = OMAP3430ES1_CLKSEL_FSHOSTUSB_MASK, .clksel = usb_l4_clksel, + .clkdm_name = "core_l4_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -3467,8 +3473,8 @@ static struct omap_clk omap3xxx_clks[] = { CLK(NULL, "ipss_ick", &ipss_ick, CK_AM35XX), CLK(NULL, "rmii_ck", &rmii_ck, CK_AM35XX), CLK(NULL, "pclk_ck", &pclk_ck, CK_AM35XX), - CLK("davinci_emac", "emac_clk", &emac_ick, CK_AM35XX), - CLK("davinci_emac", "phy_clk", &emac_fck, CK_AM35XX), + CLK("davinci_emac", NULL, &emac_ick, CK_AM35XX), + CLK("davinci_mdio.0", NULL, &emac_fck, CK_AM35XX), CLK("vpfe-capture", "master", &vpfe_ick, CK_AM35XX), CLK("vpfe-capture", "slave", &vpfe_fck, CK_AM35XX), CLK("musb-am35x", "ick", &hsotgusb_ick_am35xx, CK_AM35XX), diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index c03c1108468e..fa6ea65ad44b 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -957,8 +957,8 @@ static struct dpll_data dpll_usb_dd = { .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), .autoidle_reg = OMAP4430_CM_AUTOIDLE_DPLL_USB, .idlest_reg = OMAP4430_CM_IDLEST_DPLL_USB, - .mult_mask = OMAP4430_DPLL_MULT_MASK, - .div1_mask = OMAP4430_DPLL_DIV_MASK, + .mult_mask = OMAP4430_DPLL_MULT_USB_MASK, + .div1_mask = OMAP4430_DPLL_DIV_0_7_MASK, .enable_mask = OMAP4430_DPLL_EN_MASK, .autoidle_mask = OMAP4430_AUTO_DPLL_MODE_MASK, .idlest_mask = OMAP4430_ST_DPLL_CLK_MASK, @@ -978,6 +978,7 @@ static struct clk dpll_usb_ck = { .recalc = &omap3_dpll_recalc, .round_rate = &omap2_dpll_round_rate, .set_rate = &omap3_noncore_dpll_set_rate, + .clkdm_name = "l3_init_clkdm", }; static struct clk dpll_usb_clkdcoldo_ck = { diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index 9299ac291d28..bd7ed13515cc 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -390,7 +390,7 @@ static struct clockdomain emu_sys_44xx_clkdm = { .prcm_partition = OMAP4430_PRM_PARTITION, .cm_inst = OMAP4430_PRM_EMU_CM_INST, .clkdm_offs = OMAP4430_PRM_EMU_CM_EMU_CDOFFS, - .flags = CLKDM_CAN_HWSUP, + .flags = CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_FORCE_WAKEUP, }; static struct clockdomain l3_dma_44xx_clkdm = { diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c index 5e5880d6d099..b6c77be3e8f7 100644 --- a/arch/arm/mach-omap2/gpmc-smsc911x.c +++ b/arch/arm/mach-omap2/gpmc-smsc911x.c @@ -19,15 +19,11 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/smsc911x.h> -#include <linux/regulator/fixed.h> -#include <linux/regulator/machine.h> #include <plat/board.h> #include <plat/gpmc.h> #include <plat/gpmc-smsc911x.h> -static struct omap_smsc911x_platform_data *gpmc_cfg; - static struct resource gpmc_smsc911x_resources[] = { [0] = { .flags = IORESOURCE_MEM, @@ -41,51 +37,6 @@ static struct smsc911x_platform_config gpmc_smsc911x_config = { .phy_interface = PHY_INTERFACE_MODE_MII, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, - .flags = SMSC911X_USE_16BIT, -}; - -static struct regulator_consumer_supply gpmc_smsc911x_supply[] = { - REGULATOR_SUPPLY("vddvario", "smsc911x.0"), - REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), -}; - -/* Generic regulator definition to satisfy smsc911x */ -static struct regulator_init_data gpmc_smsc911x_reg_init_data = { - .constraints = { - .min_uV = 3300000, - .max_uV = 3300000, - .valid_modes_mask = REGULATOR_MODE_NORMAL - | REGULATOR_MODE_STANDBY, - .valid_ops_mask = REGULATOR_CHANGE_MODE - | REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(gpmc_smsc911x_supply), - .consumer_supplies = gpmc_smsc911x_supply, -}; - -static struct fixed_voltage_config gpmc_smsc911x_fixed_reg_data = { - .supply_name = "gpmc_smsc911x", - .microvolts = 3300000, - .gpio = -EINVAL, - .startup_delay = 0, - .enable_high = 0, - .enabled_at_boot = 1, - .init_data = &gpmc_smsc911x_reg_init_data, -}; - -/* - * Platform device id of 42 is a temporary fix to avoid conflicts - * with other reg-fixed-voltage devices. The real fix should - * involve the driver core providing a way of dynamically - * assigning a unique id on registration for platform devices - * in the same name space. - */ -static struct platform_device gpmc_smsc911x_regulator = { - .name = "reg-fixed-voltage", - .id = 42, - .dev = { - .platform_data = &gpmc_smsc911x_fixed_reg_data, - }, }; /* @@ -93,23 +44,12 @@ static struct platform_device gpmc_smsc911x_regulator = { * assume that pin multiplexing is done in the board-*.c file, * or in the bootloader. */ -void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data) +void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *gpmc_cfg) { struct platform_device *pdev; unsigned long cs_mem_base; int ret; - gpmc_cfg = board_data; - - if (!gpmc_cfg->id) { - ret = platform_device_register(&gpmc_smsc911x_regulator); - if (ret < 0) { - pr_err("Unable to register smsc911x regulators: %d\n", - ret); - return; - } - } - if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) { pr_err("Failed to request GPMC mem region\n"); return; @@ -139,8 +79,7 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data) gpio_set_value(gpmc_cfg->gpio_reset, 1); } - if (gpmc_cfg->flags) - gpmc_smsc911x_config.flags = gpmc_cfg->flags; + gpmc_smsc911x_config.flags = gpmc_cfg->flags ? : SMSC911X_USE_16BIT; pdev = platform_device_register_resndata(NULL, "smsc911x", gpmc_cfg->id, gpmc_smsc911x_resources, ARRAY_SIZE(gpmc_smsc911x_resources), diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index 100db6217f39..b0268eaffe13 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -506,6 +506,13 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo, if (oh->dev_attr != NULL) { mmc_dev_attr = oh->dev_attr; mmc_data->controller_flags = mmc_dev_attr->flags; + /* + * erratum 2.1.1.128 doesn't apply if board has + * a transceiver is attached + */ + if (hsmmcinfo->transceiver) + mmc_data->controller_flags &= + ~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ; } pdev = platform_device_alloc(name, ctrl_nr - 1); diff --git a/arch/arm/mach-omap2/include/mach/barriers.h b/arch/arm/mach-omap2/include/mach/barriers.h index 4fa72c7cc7cd..1c582a8592b9 100644 --- a/arch/arm/mach-omap2/include/mach/barriers.h +++ b/arch/arm/mach-omap2/include/mach/barriers.h @@ -22,6 +22,8 @@ #ifndef __MACH_BARRIERS_H #define __MACH_BARRIERS_H +#include <asm/outercache.h> + extern void omap_bus_sync(void); #define rmb() dsb() diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index eba6cd3816f5..2c27fdb61e66 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1395,7 +1395,7 @@ static int _read_hardreset(struct omap_hwmod *oh, const char *name) */ static int _ocp_softreset(struct omap_hwmod *oh) { - u32 v; + u32 v, softrst_mask; int c = 0; int ret = 0; @@ -1427,11 +1427,13 @@ static int _ocp_softreset(struct omap_hwmod *oh) oh->class->sysc->syss_offs) & SYSS_RESETDONE_MASK), MAX_MODULE_SOFTRESET_WAIT, c); - else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS) + else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS) { + softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift); omap_test_timeout(!(omap_hwmod_read(oh, oh->class->sysc->sysc_offs) - & SYSC_TYPE2_SOFTRESET_MASK), + & softrst_mask), MAX_MODULE_SOFTRESET_WAIT, c); + } if (c == MAX_MODULE_SOFTRESET_WAIT) pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n", @@ -1477,6 +1479,11 @@ static int _reset(struct omap_hwmod *oh) ret = (oh->class->reset) ? oh->class->reset(oh) : _ocp_softreset(oh); + if (oh->class->sysc) { + _update_sysc_cache(oh); + _enable_sysc(oh); + } + return ret; } @@ -1786,20 +1793,9 @@ static int _setup(struct omap_hwmod *oh, void *data) return 0; } - if (!(oh->flags & HWMOD_INIT_NO_RESET)) { + if (!(oh->flags & HWMOD_INIT_NO_RESET)) _reset(oh); - /* - * OCP_SYSCONFIG bits need to be reprogrammed after a softreset. - * The _enable() function should be split to - * avoid the rewrite of the OCP_SYSCONFIG register. - */ - if (oh->class->sysc) { - _update_sysc_cache(oh); - _enable_sysc(oh); - } - } - postsetup_state = oh->_postsetup_state; if (postsetup_state == _HWMOD_STATE_UNKNOWN) postsetup_state = _HWMOD_STATE_ENABLED; @@ -1907,20 +1903,10 @@ void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs) */ int omap_hwmod_softreset(struct omap_hwmod *oh) { - u32 v; - int ret; - - if (!oh || !(oh->_sysc_cache)) + if (!oh) return -EINVAL; - v = oh->_sysc_cache; - ret = _set_softreset(oh, &v); - if (ret) - goto error; - _write_sysconfig(v, oh); - -error: - return ret; + return _ocp_softreset(oh); } /** @@ -2463,26 +2449,28 @@ int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh, * @oh: struct omap_hwmod * * * Sets the module OCP socket ENAWAKEUP bit to allow the module to - * send wakeups to the PRCM. Eventually this should sets PRCM wakeup - * registers to cause the PRCM to receive wakeup events from the - * module. Does not set any wakeup routing registers beyond this - * point - if the module is to wake up any other module or subsystem, - * that must be set separately. Called by omap_device code. Returns - * -EINVAL on error or 0 upon success. + * send wakeups to the PRCM, and enable I/O ring wakeup events for + * this IP block if it has dynamic mux entries. Eventually this + * should set PRCM wakeup registers to cause the PRCM to receive + * wakeup events from the module. Does not set any wakeup routing + * registers beyond this point - if the module is to wake up any other + * module or subsystem, that must be set separately. Called by + * omap_device code. Returns -EINVAL on error or 0 upon success. */ int omap_hwmod_enable_wakeup(struct omap_hwmod *oh) { unsigned long flags; u32 v; - if (!oh->class->sysc || - !(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) - return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); - v = oh->_sysc_cache; - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); + + if (oh->class->sysc && + (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) { + v = oh->_sysc_cache; + _enable_wakeup(oh, &v); + _write_sysconfig(v, oh); + } + _set_idle_ioring_wakeup(oh, true); spin_unlock_irqrestore(&oh->_lock, flags); @@ -2494,26 +2482,28 @@ int omap_hwmod_enable_wakeup(struct omap_hwmod *oh) * @oh: struct omap_hwmod * * * Clears the module OCP socket ENAWAKEUP bit to prevent the module - * from sending wakeups to the PRCM. Eventually this should clear - * PRCM wakeup registers to cause the PRCM to ignore wakeup events - * from the module. Does not set any wakeup routing registers beyond - * this point - if the module is to wake up any other module or - * subsystem, that must be set separately. Called by omap_device - * code. Returns -EINVAL on error or 0 upon success. + * from sending wakeups to the PRCM, and disable I/O ring wakeup + * events for this IP block if it has dynamic mux entries. Eventually + * this should clear PRCM wakeup registers to cause the PRCM to ignore + * wakeup events from the module. Does not set any wakeup routing + * registers beyond this point - if the module is to wake up any other + * module or subsystem, that must be set separately. Called by + * omap_device code. Returns -EINVAL on error or 0 upon success. */ int omap_hwmod_disable_wakeup(struct omap_hwmod *oh) { unsigned long flags; u32 v; - if (!oh->class->sysc || - !(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) - return -EINVAL; - spin_lock_irqsave(&oh->_lock, flags); - v = oh->_sysc_cache; - _disable_wakeup(oh, &v); - _write_sysconfig(v, oh); + + if (oh->class->sysc && + (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) { + v = oh->_sysc_cache; + _disable_wakeup(oh, &v); + _write_sysconfig(v, oh); + } + _set_idle_ioring_wakeup(oh, false); spin_unlock_irqrestore(&oh->_lock, flags); diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 08daa5e0eb5f..cc9bd106a854 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -2996,6 +2996,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp1_slaves[] = { &omap44xx_l4_abe__mcbsp1_dma, }; +static struct omap_hwmod_opt_clk mcbsp1_opt_clks[] = { + { .role = "pad_fck", .clk = "pad_clks_ck" }, + { .role = "prcm_clk", .clk = "mcbsp1_sync_mux_ck" }, +}; + static struct omap_hwmod omap44xx_mcbsp1_hwmod = { .name = "mcbsp1", .class = &omap44xx_mcbsp_hwmod_class, @@ -3012,6 +3017,8 @@ static struct omap_hwmod omap44xx_mcbsp1_hwmod = { }, .slaves = omap44xx_mcbsp1_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_mcbsp1_slaves), + .opt_clks = mcbsp1_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(mcbsp1_opt_clks), }; /* mcbsp2 */ @@ -3071,6 +3078,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp2_slaves[] = { &omap44xx_l4_abe__mcbsp2_dma, }; +static struct omap_hwmod_opt_clk mcbsp2_opt_clks[] = { + { .role = "pad_fck", .clk = "pad_clks_ck" }, + { .role = "prcm_clk", .clk = "mcbsp2_sync_mux_ck" }, +}; + static struct omap_hwmod omap44xx_mcbsp2_hwmod = { .name = "mcbsp2", .class = &omap44xx_mcbsp_hwmod_class, @@ -3087,6 +3099,8 @@ static struct omap_hwmod omap44xx_mcbsp2_hwmod = { }, .slaves = omap44xx_mcbsp2_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_mcbsp2_slaves), + .opt_clks = mcbsp2_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(mcbsp2_opt_clks), }; /* mcbsp3 */ @@ -3146,6 +3160,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp3_slaves[] = { &omap44xx_l4_abe__mcbsp3_dma, }; +static struct omap_hwmod_opt_clk mcbsp3_opt_clks[] = { + { .role = "pad_fck", .clk = "pad_clks_ck" }, + { .role = "prcm_clk", .clk = "mcbsp3_sync_mux_ck" }, +}; + static struct omap_hwmod omap44xx_mcbsp3_hwmod = { .name = "mcbsp3", .class = &omap44xx_mcbsp_hwmod_class, @@ -3162,6 +3181,8 @@ static struct omap_hwmod omap44xx_mcbsp3_hwmod = { }, .slaves = omap44xx_mcbsp3_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_mcbsp3_slaves), + .opt_clks = mcbsp3_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(mcbsp3_opt_clks), }; /* mcbsp4 */ @@ -3200,6 +3221,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp4_slaves[] = { &omap44xx_l4_per__mcbsp4, }; +static struct omap_hwmod_opt_clk mcbsp4_opt_clks[] = { + { .role = "pad_fck", .clk = "pad_clks_ck" }, + { .role = "prcm_clk", .clk = "mcbsp4_sync_mux_ck" }, +}; + static struct omap_hwmod omap44xx_mcbsp4_hwmod = { .name = "mcbsp4", .class = &omap44xx_mcbsp_hwmod_class, @@ -3216,6 +3242,8 @@ static struct omap_hwmod omap44xx_mcbsp4_hwmod = { }, .slaves = omap44xx_mcbsp4_slaves, .slaves_cnt = ARRAY_SIZE(omap44xx_mcbsp4_slaves), + .opt_clks = mcbsp4_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(mcbsp4_opt_clks), }; /* diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c index 9262a6b47702..de6d46451746 100644 --- a/arch/arm/mach-omap2/opp.c +++ b/arch/arm/mach-omap2/opp.c @@ -64,10 +64,10 @@ int __init omap_init_opp_table(struct omap_opp_def *opp_def, } oh = omap_hwmod_lookup(opp_def->hwmod_name); if (!oh || !oh->od) { - pr_warn("%s: no hwmod or odev for %s, [%d] " + pr_debug("%s: no hwmod or odev for %s, [%d] " "cannot add OPPs.\n", __func__, opp_def->hwmod_name, i); - return -EINVAL; + continue; } dev = &oh->od->pdev->dev; diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 238defc6f6df..703bd1099259 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -153,8 +153,7 @@ static void omap3_save_secure_ram_context(void) pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state); /* Following is for error tracking, it should not happen */ if (ret) { - printk(KERN_ERR "save_secure_sram() returns %08x\n", - ret); + pr_err("save_secure_sram() returns %08x\n", ret); while (1) ; } @@ -289,7 +288,7 @@ void omap_sram_idle(void) break; default: /* Invalid state */ - printk(KERN_ERR "Invalid mpu state in sram_idle\n"); + pr_err("Invalid mpu state in sram_idle\n"); return; } @@ -439,18 +438,17 @@ restore: list_for_each_entry(pwrst, &pwrst_list, node) { state = pwrdm_read_prev_pwrst(pwrst->pwrdm); if (state > pwrst->next_state) { - printk(KERN_INFO "Powerdomain (%s) didn't enter " - "target state %d\n", + pr_info("Powerdomain (%s) didn't enter " + "target state %d\n", pwrst->pwrdm->name, pwrst->next_state); ret = -1; } omap_set_pwrdm_state(pwrst->pwrdm, pwrst->saved_state); } if (ret) - printk(KERN_ERR "Could not enter target state in pm_suspend\n"); + pr_err("Could not enter target state in pm_suspend\n"); else - printk(KERN_INFO "Successfully put all powerdomains " - "to target state\n"); + pr_info("Successfully put all powerdomains to target state\n"); return ret; } @@ -734,21 +732,22 @@ static int __init omap3_pm_init(void) if (ret) { pr_err("pm: Failed to request pm_io irq\n"); - goto err1; + goto err2; } ret = pwrdm_for_each(pwrdms_setup, NULL); if (ret) { - printk(KERN_ERR "Failed to setup powerdomains\n"); - goto err2; + pr_err("Failed to setup powerdomains\n"); + goto err3; } (void) clkdm_for_each(omap_pm_clkdms_setup, NULL); mpu_pwrdm = pwrdm_lookup("mpu_pwrdm"); if (mpu_pwrdm == NULL) { - printk(KERN_ERR "Failed to get mpu_pwrdm\n"); - goto err2; + pr_err("Failed to get mpu_pwrdm\n"); + ret = -EINVAL; + goto err3; } neon_pwrdm = pwrdm_lookup("neon_pwrdm"); @@ -781,8 +780,8 @@ static int __init omap3_pm_init(void) omap3_secure_ram_storage = kmalloc(0x803F, GFP_KERNEL); if (!omap3_secure_ram_storage) - printk(KERN_ERR "Memory allocation failed when" - "allocating for secure sram context\n"); + pr_err("Memory allocation failed when " + "allocating for secure sram context\n"); local_irq_disable(); local_fiq_disable(); @@ -796,14 +795,17 @@ static int __init omap3_pm_init(void) } omap3_save_scratchpad_contents(); -err1: return ret; -err2: - free_irq(INT_34XX_PRCM_MPU_IRQ, NULL); + +err3: list_for_each_entry_safe(pwrst, tmp, &pwrst_list, node) { list_del(&pwrst->node); kfree(pwrst); } + free_irq(omap_prcm_event_to_irq("io"), omap3_pm_init); +err2: + free_irq(omap_prcm_event_to_irq("wkup"), NULL); +err1: return ret; } diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c index 9ccaadc2cf07..885625352429 100644 --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -144,7 +144,7 @@ static void omap_default_idle(void) static int __init omap4_pm_init(void) { int ret; - struct clockdomain *emif_clkdm, *mpuss_clkdm, *l3_1_clkdm; + struct clockdomain *emif_clkdm, *mpuss_clkdm, *l3_1_clkdm, *l4wkup; struct clockdomain *ducati_clkdm, *l3_2_clkdm, *l4_per_clkdm; if (!cpu_is_omap44xx()) @@ -168,14 +168,19 @@ static int __init omap4_pm_init(void) * MPUSS -> L4_PER/L3_* and DUCATI -> L3_* doesn't work as * expected. The hardware recommendation is to enable static * dependencies for these to avoid system lock ups or random crashes. + * The L4 wakeup depedency is added to workaround the OCP sync hardware + * BUG with 32K synctimer which lead to incorrect timer value read + * from the 32K counter. The BUG applies for GPTIMER1 and WDT2 which + * are part of L4 wakeup clockdomain. */ mpuss_clkdm = clkdm_lookup("mpuss_clkdm"); emif_clkdm = clkdm_lookup("l3_emif_clkdm"); l3_1_clkdm = clkdm_lookup("l3_1_clkdm"); l3_2_clkdm = clkdm_lookup("l3_2_clkdm"); l4_per_clkdm = clkdm_lookup("l4_per_clkdm"); + l4wkup = clkdm_lookup("l4_wkup_clkdm"); ducati_clkdm = clkdm_lookup("ducati_clkdm"); - if ((!mpuss_clkdm) || (!emif_clkdm) || (!l3_1_clkdm) || + if ((!mpuss_clkdm) || (!emif_clkdm) || (!l3_1_clkdm) || (!l4wkup) || (!l3_2_clkdm) || (!ducati_clkdm) || (!l4_per_clkdm)) goto err2; @@ -183,6 +188,7 @@ static int __init omap4_pm_init(void) ret |= clkdm_add_wkdep(mpuss_clkdm, l3_1_clkdm); ret |= clkdm_add_wkdep(mpuss_clkdm, l3_2_clkdm); ret |= clkdm_add_wkdep(mpuss_clkdm, l4_per_clkdm); + ret |= clkdm_add_wkdep(mpuss_clkdm, l4wkup); ret |= clkdm_add_wkdep(ducati_clkdm, l3_1_clkdm); ret |= clkdm_add_wkdep(ducati_clkdm, l3_2_clkdm); if (ret) { diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 8a18d1bd61c8..96ad3dbeac34 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -972,7 +972,13 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm) int pwrdm_state_switch(struct powerdomain *pwrdm) { - return _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); + int ret; + + ret = pwrdm_wait_transition(pwrdm); + if (!ret) + ret = _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); + + return ret; } int pwrdm_clkdm_state_switch(struct clockdomain *clkdm) diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c index eac623c7c3d8..f106d21ff581 100644 --- a/arch/arm/mach-omap2/prm44xx.c +++ b/arch/arm/mach-omap2/prm44xx.c @@ -147,8 +147,9 @@ static inline u32 _read_pending_irq_reg(u16 irqen_offs, u16 irqst_offs) u32 mask, st; /* XXX read mask from RAM? */ - mask = omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, irqen_offs); - st = omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, irqst_offs); + mask = omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST, + irqen_offs); + st = omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST, irqst_offs); return mask & st; } @@ -180,7 +181,7 @@ void omap44xx_prm_read_pending_irqs(unsigned long *events) */ void omap44xx_prm_ocp_barrier(void) { - omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, + omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_REVISION_PRM_OFFSET); } @@ -198,19 +199,19 @@ void omap44xx_prm_ocp_barrier(void) void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask) { saved_mask[0] = - omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, + omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_PRM_IRQSTATUS_MPU_OFFSET); saved_mask[1] = - omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, + omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET); - omap4_prm_write_inst_reg(0, OMAP4430_PRM_DEVICE_INST, + omap4_prm_write_inst_reg(0, OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_PRM_IRQENABLE_MPU_OFFSET); - omap4_prm_write_inst_reg(0, OMAP4430_PRM_DEVICE_INST, + omap4_prm_write_inst_reg(0, OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_PRM_IRQENABLE_MPU_2_OFFSET); /* OCP barrier */ - omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, + omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_REVISION_PRM_OFFSET); } @@ -226,9 +227,9 @@ void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask) */ void omap44xx_prm_restore_irqen(u32 *saved_mask) { - omap4_prm_write_inst_reg(saved_mask[0], OMAP4430_PRM_DEVICE_INST, + omap4_prm_write_inst_reg(saved_mask[0], OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_PRM_IRQENABLE_MPU_OFFSET); - omap4_prm_write_inst_reg(saved_mask[1], OMAP4430_PRM_DEVICE_INST, + omap4_prm_write_inst_reg(saved_mask[1], OMAP4430_PRM_OCP_SOCKET_INST, OMAP4_PRM_IRQENABLE_MPU_2_OFFSET); } diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index 873b51d494ea..d28f848897d6 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -290,7 +290,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup) goto err; } - for (i = 0; i <= irq_setup->nr_regs; i++) { + for (i = 0; i < irq_setup->nr_regs; i++) { gc = irq_alloc_generic_chip("PRCM", 1, irq_setup->base_irq + i * 32, prm_base, handle_level_irq); diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c index f51348dafafd..dde8a11f47d5 100644 --- a/arch/arm/mach-omap2/usb-host.c +++ b/arch/arm/mach-omap2/usb-host.c @@ -54,7 +54,7 @@ static struct omap_device_pm_latency omap_uhhtll_latency[] = { /* * setup_ehci_io_mux - initialize IO pad mux for USBHOST */ -static void setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) +static void __init setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) { switch (port_mode[0]) { case OMAP_EHCI_PORT_MODE_PHY: @@ -197,7 +197,8 @@ static void setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) return; } -static void setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) +static +void __init setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) { switch (port_mode[0]) { case OMAP_EHCI_PORT_MODE_PHY: @@ -315,7 +316,7 @@ static void setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode) } } -static void setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) +static void __init setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) { switch (port_mode[0]) { case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: @@ -412,7 +413,8 @@ static void setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) } } -static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) +static +void __init setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode) { switch (port_mode[0]) { case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0: diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 109ccd2a8885..fe2d1f80ef50 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -113,6 +113,7 @@ config MACH_ARMCORE select IWMMXT select PXA25x select MIGHT_HAVE_PCI + select NEED_MACH_IO_H if PCI config MACH_EM_X270 bool "CompuLab EM-x270 platform" diff --git a/arch/arm/mach-pxa/include/mach/io.h b/arch/arm/mach-pxa/include/mach/io.h new file mode 100644 index 000000000000..cd78b7fe3567 --- /dev/null +++ b/arch/arm/mach-pxa/include/mach/io.h @@ -0,0 +1,17 @@ +/* + * arch/arm/mach-pxa/include/mach/io.h + * + * Copied from asm/arch/sa1100/io.h + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * We don't actually have real ISA nor PCI buses, but there is so many + * drivers out there that might just work if we fake them... + */ +#define __io(a) __typesafe_io(a) + +#endif diff --git a/arch/arm/mach-s3c24xx/common.h b/arch/arm/mach-s3c24xx/common.h new file mode 100644 index 000000000000..c2f596e7bc2d --- /dev/null +++ b/arch/arm/mach-s3c24xx/common.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Common Header for S3C24XX SoCs + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_COMMON_H +#define __ARCH_ARM_MACH_S3C24XX_COMMON_H __FILE__ + +void s3c2410_restart(char mode, const char *cmd); +void s3c244x_restart(char mode, const char *cmd); + +#endif /* __ARCH_ARM_MACH_S3C24XX_COMMON_H */ diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index 48885b7efd6b..c7f418b0cde9 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -313,6 +313,10 @@ static struct sa1100fb_mach_info collie_lcd_info = { .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), + +#ifdef CONFIG_BACKLIGHT_LOCOMO + .lcd_power = locomolcd_power +#endif }; static void __init collie_init(void) diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h index 52acda7061b7..f33679d2d3ee 100644 --- a/arch/arm/mach-sa1100/include/mach/collie.h +++ b/arch/arm/mach-sa1100/include/mach/collie.h @@ -1,7 +1,7 @@ /* * arch/arm/mach-sa1100/include/mach/collie.h * - * This file contains the hardware specific definitions for Assabet + * This file contains the hardware specific definitions for Collie * Only include this file from SA1100-specific files. * * ChangeLog: @@ -13,6 +13,7 @@ #ifndef __ASM_ARCH_COLLIE_H #define __ASM_ARCH_COLLIE_H +extern void locomolcd_power(int on); #define COLLIE_SCOOP_GPIO_BASE (GPIO_MAX + 1) #define COLLIE_GPIO_CHARGE_ON (COLLIE_SCOOP_GPIO_BASE + 0) diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c index a6e23f464528..d2268be8c34c 100644 --- a/arch/arm/mach-versatile/pci.c +++ b/arch/arm/mach-versatile/pci.c @@ -190,7 +190,7 @@ static struct resource pre_mem = { .flags = IORESOURCE_MEM | IORESOURCE_PREFETCH, }; -static int __init pci_versatile_setup_resources(struct list_head *resources) +static int __init pci_versatile_setup_resources(struct pci_sys_data *sys) { int ret = 0; @@ -218,9 +218,9 @@ static int __init pci_versatile_setup_resources(struct list_head *resources) * the mem resource for this bus * the prefetch mem resource for this bus */ - pci_add_resource_offset(resources, &io_mem, sys->io_offset); - pci_add_resource_offset(resources, &non_mem, sys->mem_offset); - pci_add_resource_offset(resources, &pre_mem, sys->mem_offset); + pci_add_resource_offset(&sys->resources, &io_mem, sys->io_offset); + pci_add_resource_offset(&sys->resources, &non_mem, sys->mem_offset); + pci_add_resource_offset(&sys->resources, &pre_mem, sys->mem_offset); goto out; @@ -249,7 +249,7 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys) if (nr == 0) { sys->mem_offset = 0; - ret = pci_versatile_setup_resources(&sys->resources); + ret = pci_versatile_setup_resources(sys); if (ret < 0) { printk("pci_versatile_setup: resources... oops?\n"); goto out; diff --git a/arch/arm/plat-mxc/3ds_debugboard.c b/arch/arm/plat-mxc/3ds_debugboard.c index d1e31fa1b0c3..5cac2c540f4f 100644 --- a/arch/arm/plat-mxc/3ds_debugboard.c +++ b/arch/arm/plat-mxc/3ds_debugboard.c @@ -80,7 +80,7 @@ static struct smsc911x_platform_config smsc911x_config = { static struct platform_device smsc_lan9217_device = { .name = "smsc911x", - .id = 0, + .id = -1, .dev = { .platform_data = &smsc911x_config, }, diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index ce1e9b96ba1a..ad95c7a5d009 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -17,6 +17,7 @@ config ARCH_OMAP1 select IRQ_DOMAIN select HAVE_IDE select NEED_MACH_MEMORY_H + select NEED_MACH_IO_H if PCCARD help "Systems based on omap7xx, omap15xx or omap16xx" diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index 56b6f8b7053e..8506cbb7fea4 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -441,6 +441,8 @@ static int __init clk_disable_unused(void) return 0; pr_info("clock: disabling unused clocks to save power\n"); + + spin_lock_irqsave(&clockfw_lock, flags); list_for_each_entry(ck, &clocks, node) { if (ck->ops == &clkops_null) continue; @@ -448,10 +450,9 @@ static int __init clk_disable_unused(void) if (ck->usecount > 0 || !ck->enable_reg) continue; - spin_lock_irqsave(&clockfw_lock, flags); arch_clock->clk_disable_unused(ck); - spin_unlock_irqrestore(&clockfw_lock, flags); } + spin_unlock_irqrestore(&clockfw_lock, flags); return 0; } diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index 9e8e63d52aab..8070145ccb98 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -47,17 +47,17 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2; * with the original PRCM protocol defined for OMAP2420 */ #define SYSC_TYPE1_MIDLEMODE_SHIFT 12 -#define SYSC_TYPE1_MIDLEMODE_MASK (0x3 << SYSC_MIDLEMODE_SHIFT) +#define SYSC_TYPE1_MIDLEMODE_MASK (0x3 << SYSC_TYPE1_MIDLEMODE_SHIFT) #define SYSC_TYPE1_CLOCKACTIVITY_SHIFT 8 -#define SYSC_TYPE1_CLOCKACTIVITY_MASK (0x3 << SYSC_CLOCKACTIVITY_SHIFT) +#define SYSC_TYPE1_CLOCKACTIVITY_MASK (0x3 << SYSC_TYPE1_CLOCKACTIVITY_SHIFT) #define SYSC_TYPE1_SIDLEMODE_SHIFT 3 -#define SYSC_TYPE1_SIDLEMODE_MASK (0x3 << SYSC_SIDLEMODE_SHIFT) +#define SYSC_TYPE1_SIDLEMODE_MASK (0x3 << SYSC_TYPE1_SIDLEMODE_SHIFT) #define SYSC_TYPE1_ENAWAKEUP_SHIFT 2 -#define SYSC_TYPE1_ENAWAKEUP_MASK (1 << SYSC_ENAWAKEUP_SHIFT) +#define SYSC_TYPE1_ENAWAKEUP_MASK (1 << SYSC_TYPE1_ENAWAKEUP_SHIFT) #define SYSC_TYPE1_SOFTRESET_SHIFT 1 -#define SYSC_TYPE1_SOFTRESET_MASK (1 << SYSC_SOFTRESET_SHIFT) +#define SYSC_TYPE1_SOFTRESET_MASK (1 << SYSC_TYPE1_SOFTRESET_SHIFT) #define SYSC_TYPE1_AUTOIDLE_SHIFT 0 -#define SYSC_TYPE1_AUTOIDLE_MASK (1 << SYSC_AUTOIDLE_SHIFT) +#define SYSC_TYPE1_AUTOIDLE_MASK (1 << SYSC_TYPE1_AUTOIDLE_SHIFT) /* * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant diff --git a/arch/avr32/include/asm/barrier.h b/arch/avr32/include/asm/barrier.h index 808001c9cf8c..0961275373db 100644 --- a/arch/avr32/include/asm/barrier.h +++ b/arch/avr32/include/asm/barrier.h @@ -8,6 +8,8 @@ #ifndef __ASM_AVR32_BARRIER_H #define __ASM_AVR32_BARRIER_H +#define nop() asm volatile("nop") + #define mb() asm volatile("" : : : "memory") #define rmb() mb() #define wmb() asm volatile("sync 0" : : : "memory") diff --git a/arch/avr32/include/asm/special_insns.h b/arch/avr32/include/asm/special_insns.h deleted file mode 100644 index f922218dfaa5..000000000000 --- a/arch/avr32/include/asm/special_insns.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_AVR32_SPECIAL_INSNS_H -#define __ASM_AVR32_SPECIAL_INSNS_H - -#define nop() asm volatile("nop") - -#endif /* __ASM_AVR32_SPECIAL_INSNS_H */ diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h index 71733866cb4f..70742ec997f8 100644 --- a/arch/avr32/mach-at32ap/include/mach/board.h +++ b/arch/avr32/mach-at32ap/include/mach/board.h @@ -7,7 +7,7 @@ #include <linux/types.h> #include <linux/serial.h> #include <linux/platform_data/macb.h> -#include <linux/platform_data/atmel_nand.h> +#include <linux/platform_data/atmel.h> #define GPIO_PIN_NONE (-1) diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index c1269a1085e1..373a6902d8fa 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -823,7 +823,7 @@ config CACHELINE_ALIGNED_L1 bool "Locate cacheline_aligned data to L1 Data Memory" default y if !BF54x default n if BF54x - depends on !SMP && !BF531 + depends on !SMP && !BF531 && !CRC32 help If enabled, cacheline_aligned data is linked into L1 data memory. (less latency) diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig index 9ccc18a6b4df..90b175323644 100644 --- a/arch/blackfin/configs/BF527-EZKIT_defconfig +++ b/arch/blackfin/configs/BF527-EZKIT_defconfig @@ -147,6 +147,7 @@ CONFIG_USB_OTG_BLACKLIST_HUB=y CONFIG_USB_MON=y CONFIG_USB_MUSB_HDRC=y CONFIG_USB_MUSB_BLACKFIN=y +CONFIG_MUSB_PIO_ONLY=y CONFIG_USB_STORAGE=y CONFIG_USB_GADGET=y CONFIG_RTC_CLASS=y diff --git a/arch/blackfin/include/asm/cmpxchg.h b/arch/blackfin/include/asm/cmpxchg.h index ba2484f4cb2a..c05868cc61c1 100644 --- a/arch/blackfin/include/asm/cmpxchg.h +++ b/arch/blackfin/include/asm/cmpxchg.h @@ -122,7 +122,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, (unsigned long)(n), sizeof(*(ptr)))) #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) -#include <asm-generic/cmpxchg.h> +#define cmpxchg(ptr, o, n) cmpxchg_local((ptr), (o), (n)) +#define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n)) #endif /* !CONFIG_SMP */ diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h index 5a25856381ff..12d3571b5232 100644 --- a/arch/blackfin/include/asm/gpio.h +++ b/arch/blackfin/include/asm/gpio.h @@ -244,16 +244,26 @@ static inline int gpio_set_debounce(unsigned gpio, unsigned debounce) return -EINVAL; } -static inline int gpio_get_value(unsigned gpio) +static inline int __gpio_get_value(unsigned gpio) { return bfin_gpio_get_value(gpio); } -static inline void gpio_set_value(unsigned gpio, int value) +static inline void __gpio_set_value(unsigned gpio, int value) { return bfin_gpio_set_value(gpio, value); } +static inline int gpio_get_value(unsigned gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + return __gpio_set_value(gpio, value); +} + static inline int gpio_to_irq(unsigned gpio) { if (likely(gpio < MAX_BLACKFIN_GPIOS)) diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c index 304f675826e9..3b5a05099989 100644 --- a/arch/c6x/kernel/signal.c +++ b/arch/c6x/kernel/signal.c @@ -85,10 +85,7 @@ asmlinkage int do_rt_sigreturn(struct pt_regs *regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; @@ -279,15 +276,8 @@ static int handle_signal(int sig, /* Set up the stack frame */ ret = setup_rt_frame(sig, ka, info, oldset, regs); - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } + if (ret == 0) + block_sigmask(ka, sig); return ret; } diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c index 41098a3803a2..4f8d8bcdc7de 100644 --- a/arch/frv/mb93090-mb00/pci-dma.c +++ b/arch/frv/mb93090-mb00/pci-dma.c @@ -13,6 +13,7 @@ #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> +#include <linux/export.h> #include <linux/highmem.h> #include <linux/scatterlist.h> #include <asm/io.h> diff --git a/arch/hexagon/include/asm/dma-mapping.h b/arch/hexagon/include/asm/dma-mapping.h index 448b224ba4ef..233ed3d2d25e 100644 --- a/arch/hexagon/include/asm/dma-mapping.h +++ b/arch/hexagon/include/asm/dma-mapping.h @@ -71,29 +71,35 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return (dma_addr == bad_dma_address); } -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { void *ret; struct dma_map_ops *ops = get_dma_ops(dev); BUG_ON(!dma_ops); - ret = ops->alloc_coherent(dev, size, dma_handle, flag); + ret = ops->alloc(dev, size, dma_handle, flag, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, ret); return ret; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *dma_ops = get_dma_ops(dev); BUG_ON(!dma_ops); - dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); + dma_ops->free(dev, size, cpu_addr, dma_handle, attrs); debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); } diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index e711ace62fdf..37302218ca4a 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -54,7 +54,8 @@ static struct gen_pool *coherent_pool; /* Allocates from a pool of uncached memory that was reserved at boot time */ void *hexagon_dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addr, gfp_t flag) + dma_addr_t *dma_addr, gfp_t flag, + struct dma_attrs *attrs) { void *ret; @@ -81,7 +82,7 @@ void *hexagon_dma_alloc_coherent(struct device *dev, size_t size, } static void hexagon_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_addr) + dma_addr_t dma_addr, struct dma_attrs *attrs) { gen_pool_free(coherent_pool, (unsigned long) vaddr, size); } @@ -202,8 +203,8 @@ static void hexagon_sync_single_for_device(struct device *dev, } struct dma_map_ops hexagon_dma_ops = { - .alloc_coherent = hexagon_dma_alloc_coherent, - .free_coherent = hexagon_free_coherent, + .alloc = hexagon_dma_alloc_coherent, + .free = hexagon_free_coherent, .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_cpu = hexagon_sync_single_for_cpu, diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c index 15d1fd22bbc5..9b44a9e2d05a 100644 --- a/arch/hexagon/kernel/smp.c +++ b/arch/hexagon/kernel/smp.c @@ -35,7 +35,7 @@ #define BASE_IPI_IRQ 26 /* - * cpu_possible_map needs to be filled out prior to setup_per_cpu_areas + * cpu_possible_mask needs to be filled out prior to setup_per_cpu_areas * (which is prior to any of our smp_prepare_cpu crap), in order to set * up the... per_cpu areas. */ @@ -208,7 +208,7 @@ int __cpuinit __cpu_up(unsigned int cpu) stack_start = ((void *) thread) + THREAD_SIZE; __vmstart(start_secondary, stack_start); - while (!cpu_isset(cpu, cpu_online_map)) + while (!cpu_online(cpu)) barrier(); return 0; @@ -229,7 +229,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* Right now, let's just fake it. */ for (i = 0; i < max_cpus; i++) - cpu_set(i, cpu_present_map); + set_cpu_present(i, true); /* Also need to register the interrupts for IPI */ if (max_cpus > 1) @@ -269,5 +269,5 @@ void smp_start_cpus(void) int i; for (i = 0; i < NR_CPUS; i++) - cpu_set(i, cpu_possible_map); + set_cpu_possible(i, true); } diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index f6ea3a3b4a84..bcda5b2d121a 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -1129,7 +1129,8 @@ void sba_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size, * See Documentation/DMA-API-HOWTO.txt */ static void * -sba_alloc_coherent (struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flags) +sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, + gfp_t flags, struct dma_attrs *attrs) { struct ioc *ioc; void *addr; @@ -1191,8 +1192,8 @@ sba_alloc_coherent (struct device *dev, size_t size, dma_addr_t *dma_handle, gfp * * See Documentation/DMA-API-HOWTO.txt */ -static void sba_free_coherent (struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle) +static void sba_free_coherent(struct device *dev, size_t size, void *vaddr, + dma_addr_t dma_handle, struct dma_attrs *attrs) { sba_unmap_single_attrs(dev, dma_handle, size, 0, NULL); free_pages((unsigned long) vaddr, get_order(size)); @@ -2212,8 +2213,8 @@ sba_page_override(char *str) __setup("sbapagesize=",sba_page_override); struct dma_map_ops sba_dma_ops = { - .alloc_coherent = sba_alloc_coherent, - .free_coherent = sba_free_coherent, + .alloc = sba_alloc_coherent, + .free = sba_free_coherent, .map_page = sba_map_page, .unmap_page = sba_unmap_page, .map_sg = sba_map_sg_attrs, diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h index 4336d080b241..4f5e8148440d 100644 --- a/arch/ia64/include/asm/dma-mapping.h +++ b/arch/ia64/include/asm/dma-mapping.h @@ -23,23 +23,29 @@ extern void machvec_dma_sync_single(struct device *, dma_addr_t, size_t, extern void machvec_dma_sync_sg(struct device *, struct scatterlist *, int, enum dma_data_direction); -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *daddr, gfp_t gfp) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *daddr, gfp_t gfp, + struct dma_attrs *attrs) { struct dma_map_ops *ops = platform_dma_get_ops(dev); void *caddr; - caddr = ops->alloc_coherent(dev, size, daddr, gfp); + caddr = ops->alloc(dev, size, daddr, gfp, attrs); debug_dma_alloc_coherent(dev, size, *daddr, caddr); return caddr; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *caddr, dma_addr_t daddr) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *caddr, dma_addr_t daddr, + struct dma_attrs *attrs) { struct dma_map_ops *ops = platform_dma_get_ops(dev); debug_dma_free_coherent(dev, size, caddr, daddr); - ops->free_coherent(dev, size, caddr, daddr); + ops->free(dev, size, caddr, daddr, attrs); } #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index ac795d311f44..6f38b6120d96 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -839,7 +839,7 @@ static __init int setup_additional_cpus(char *s) early_param("additional_cpus", setup_additional_cpus); /* - * cpu_possible_map should be static, it cannot change as CPUs + * cpu_possible_mask should be static, it cannot change as CPUs * are onlined, or offlined. The reason is per-cpu data-structures * are allocated by some modules at init time, and dont expect to * do this dynamically on cpu arrival/departure. diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c index d9485d952ed0..939260aeac98 100644 --- a/arch/ia64/kernel/pci-swiotlb.c +++ b/arch/ia64/kernel/pci-swiotlb.c @@ -15,16 +15,24 @@ int swiotlb __read_mostly; EXPORT_SYMBOL(swiotlb); static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { if (dev->coherent_dma_mask != DMA_BIT_MASK(64)) gfp |= GFP_DMA; return swiotlb_alloc_coherent(dev, size, dma_handle, gfp); } +static void ia64_swiotlb_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_addr, + struct dma_attrs *attrs) +{ + swiotlb_free_coherent(dev, size, vaddr, dma_addr); +} + struct dma_map_ops swiotlb_dma_ops = { - .alloc_coherent = ia64_swiotlb_alloc_coherent, - .free_coherent = swiotlb_free_coherent, + .alloc = ia64_swiotlb_alloc_coherent, + .free = ia64_swiotlb_free_coherent, .map_page = swiotlb_map_page, .unmap_page = swiotlb_unmap_page, .map_sg = swiotlb_map_sg_attrs, diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index a9d310de57da..3290d6e00c31 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -76,7 +76,8 @@ EXPORT_SYMBOL(sn_dma_set_mask); * more information. */ static void *sn_dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t * dma_handle, gfp_t flags) + dma_addr_t * dma_handle, gfp_t flags, + struct dma_attrs *attrs) { void *cpuaddr; unsigned long phys_addr; @@ -137,7 +138,7 @@ static void *sn_dma_alloc_coherent(struct device *dev, size_t size, * any associated IOMMU mappings. */ static void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t dma_handle) + dma_addr_t dma_handle, struct dma_attrs *attrs) { struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); @@ -466,8 +467,8 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size) } static struct dma_map_ops sn_dma_ops = { - .alloc_coherent = sn_dma_alloc_coherent, - .free_coherent = sn_dma_free_coherent, + .alloc = sn_dma_alloc_coherent, + .free = sn_dma_free_coherent, .map_page = sn_dma_map_page, .unmap_page = sn_dma_unmap_page, .map_sg = sn_dma_map_sg, diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index 336e6173794f..f4e32de263a7 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -3,6 +3,7 @@ #include <linux/types.h> #include <linux/irqflags.h> +#include <asm/cmpxchg.h> /* * Atomic operations that C can't guarantee us. Useful for diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 96fa6ed7e799..d9f62e0f46c0 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -980,6 +980,9 @@ int __init mac_platform_init(void) { u8 *swim_base; + if (!MACH_IS_MAC) + return -ENODEV; + /* * Serial devices */ diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c index 512adb64f7dd..8a1ce327c963 100644 --- a/arch/m68k/q40/config.c +++ b/arch/m68k/q40/config.c @@ -334,6 +334,9 @@ static __init int q40_add_kbd_device(void) { struct platform_device *pdev; + if (!MACH_IS_Q40) + return -ENODEV; + pdev = platform_device_register_simple("q40kbd", -1, NULL, 0); if (IS_ERR(pdev)) return PTR_ERR(pdev); diff --git a/arch/microblaze/include/asm/cmpxchg.h b/arch/microblaze/include/asm/cmpxchg.h index 0094859abd9b..538afc0ab9f3 100644 --- a/arch/microblaze/include/asm/cmpxchg.h +++ b/arch/microblaze/include/asm/cmpxchg.h @@ -1,6 +1,8 @@ #ifndef _ASM_MICROBLAZE_CMPXCHG_H #define _ASM_MICROBLAZE_CMPXCHG_H +#include <linux/irqflags.h> + void __bad_xchg(volatile void *ptr, int size); static inline unsigned long __xchg(unsigned long x, volatile void *ptr, diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h index 3a3e5b886854..01d228286cb0 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -123,28 +123,34 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) +#define dma_alloc_coherent(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); void *memory; BUG_ON(!ops); - memory = ops->alloc_coherent(dev, size, dma_handle, flag); + memory = ops->alloc(dev, size, dma_handle, flag, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, memory); return memory; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d, s, c, h, NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); BUG_ON(!ops); debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); - ops->free_coherent(dev, size, cpu_addr, dma_handle); + ops->free(dev, size, cpu_addr, dma_handle, attrs); } static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h index b0526d2716fa..ff8cde159d9a 100644 --- a/arch/microblaze/include/asm/futex.h +++ b/arch/microblaze/include/asm/futex.h @@ -24,7 +24,7 @@ .word 1b,4b,2b,4b; \ .previous;" \ : "=&r" (oldval), "=&r" (ret) \ - : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \ + : "r" (uaddr), "i" (-EFAULT), "r" (oparg) \ ); \ }) diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h index 510a8e1c16ba..bffb54527299 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h @@ -31,6 +31,8 @@ extern const struct seq_operations cpuinfo_op; /* Do necessary setup to start up a newly executed thread. */ void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp); +extern void ret_from_fork(void); + # endif /* __ASSEMBLY__ */ # ifndef CONFIG_MMU @@ -143,8 +145,6 @@ static inline void exit_thread(void) unsigned long get_wchan(struct task_struct *p); -extern void ret_from_fork(void); - /* The size allocated for kernel stacks. This _must_ be a power of two! */ # define KERNEL_STACK_SIZE 0x2000 diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index 65a4af4cbbbe..a2bfa2ca5730 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -33,7 +33,8 @@ static unsigned long get_dma_direct_offset(struct device *dev) #define NOT_COHERENT_CACHE static void *dma_direct_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { #ifdef NOT_COHERENT_CACHE return consistent_alloc(flag, size, dma_handle); @@ -57,7 +58,8 @@ static void *dma_direct_alloc_coherent(struct device *dev, size_t size, } static void dma_direct_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { #ifdef NOT_COHERENT_CACHE consistent_free(size, vaddr); @@ -176,8 +178,8 @@ dma_direct_sync_sg_for_device(struct device *dev, } struct dma_map_ops dma_direct_ops = { - .alloc_coherent = dma_direct_alloc_coherent, - .free_coherent = dma_direct_free_coherent, + .alloc = dma_direct_alloc_coherent, + .free = dma_direct_free_coherent, .map_sg = dma_direct_map_sg, .unmap_sg = dma_direct_unmap_sg, .dma_supported = dma_direct_dma_supported, diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c index ec485876d0d0..aba1f9a97d5d 100644 --- a/arch/microblaze/kernel/early_printk.c +++ b/arch/microblaze/kernel/early_printk.c @@ -176,6 +176,7 @@ void __init remap_early_printk(void) base_addr = (u32) ioremap(base_addr, PAGE_SIZE); printk(KERN_CONT "0x%x\n", base_addr); +#ifdef CONFIG_MMU /* * Early console is on the top of skipped TLB entries * decrease tlb_skip size ensure that hardcoded TLB entry will be @@ -189,6 +190,7 @@ void __init remap_early_printk(void) * cmp rX, orig_base_addr */ tlb_skip -= 1; +#endif } void __init disable_early_printk(void) diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 71af974aa24a..16d8dfd9094b 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -206,6 +206,7 @@ static int microblaze_debugfs_init(void) } arch_initcall(microblaze_debugfs_init); +# ifdef CONFIG_MMU static int __init debugfs_tlb(void) { struct dentry *d; @@ -218,6 +219,7 @@ static int __init debugfs_tlb(void) return -ENOMEM; } device_initcall(debugfs_tlb); +# endif #endif static int dflt_bus_notify(struct notifier_block *nb, diff --git a/arch/microblaze/kernel/unwind.c b/arch/microblaze/kernel/unwind.c index 9781a528cfc9..6be4ae3c3351 100644 --- a/arch/microblaze/kernel/unwind.c +++ b/arch/microblaze/kernel/unwind.c @@ -24,6 +24,7 @@ #include <asm/sections.h> #include <asm/exceptions.h> #include <asm/unwind.h> +#include <asm/switch_to.h> struct stack_trace; diff --git a/arch/microblaze/lib/uaccess_old.S b/arch/microblaze/lib/uaccess_old.S index f037266cdaf3..f085995ee848 100644 --- a/arch/microblaze/lib/uaccess_old.S +++ b/arch/microblaze/lib/uaccess_old.S @@ -122,22 +122,22 @@ __strnlen_user: 15: swi r24, r5, 0x0018 + offset; \ 16: swi r25, r5, 0x001C + offset; \ .section __ex_table,"a"; \ - .word 1b, 0f; \ - .word 2b, 0f; \ - .word 3b, 0f; \ - .word 4b, 0f; \ - .word 5b, 0f; \ - .word 6b, 0f; \ - .word 7b, 0f; \ - .word 8b, 0f; \ - .word 9b, 0f; \ - .word 10b, 0f; \ - .word 11b, 0f; \ - .word 12b, 0f; \ - .word 13b, 0f; \ - .word 14b, 0f; \ - .word 15b, 0f; \ - .word 16b, 0f; \ + .word 1b, 33f; \ + .word 2b, 33f; \ + .word 3b, 33f; \ + .word 4b, 33f; \ + .word 5b, 33f; \ + .word 6b, 33f; \ + .word 7b, 33f; \ + .word 8b, 33f; \ + .word 9b, 33f; \ + .word 10b, 33f; \ + .word 11b, 33f; \ + .word 12b, 33f; \ + .word 13b, 33f; \ + .word 14b, 33f; \ + .word 15b, 33f; \ + .word 16b, 33f; \ .text #define COPY_80(offset) \ @@ -190,14 +190,17 @@ w2: sw r4, r5, r3 .align 4 /* Alignment is important to keep icache happy */ page: /* Create room on stack and save registers for storign values */ - addik r1, r1, -32 - swi r19, r1, 4 - swi r20, r1, 8 - swi r21, r1, 12 - swi r22, r1, 16 - swi r23, r1, 20 - swi r24, r1, 24 - swi r25, r1, 28 + addik r1, r1, -40 + swi r5, r1, 0 + swi r6, r1, 4 + swi r7, r1, 8 + swi r19, r1, 12 + swi r20, r1, 16 + swi r21, r1, 20 + swi r22, r1, 24 + swi r23, r1, 28 + swi r24, r1, 32 + swi r25, r1, 36 loop: /* r4, r19, r20, r21, r22, r23, r24, r25 are used for storing values */ /* Loop unrolling to get performance boost */ COPY_80(0x000); @@ -205,21 +208,44 @@ loop: /* r4, r19, r20, r21, r22, r23, r24, r25 are used for storing values */ COPY_80(0x100); COPY_80(0x180); /* copy loop */ - addik r6, r6, 0x200 - addik r7, r7, -0x200 - bneid r7, loop - addik r5, r5, 0x200 + addik r6, r6, 0x200 + addik r7, r7, -0x200 + bneid r7, loop + addik r5, r5, 0x200 + /* Restore register content */ - lwi r19, r1, 4 - lwi r20, r1, 8 - lwi r21, r1, 12 - lwi r22, r1, 16 - lwi r23, r1, 20 - lwi r24, r1, 24 - lwi r25, r1, 28 - addik r1, r1, 32 + lwi r5, r1, 0 + lwi r6, r1, 4 + lwi r7, r1, 8 + lwi r19, r1, 12 + lwi r20, r1, 16 + lwi r21, r1, 20 + lwi r22, r1, 24 + lwi r23, r1, 28 + lwi r24, r1, 32 + lwi r25, r1, 36 + addik r1, r1, 40 /* return back */ + addik r3, r0, 0 + rtsd r15, 8 + nop + +/* Fault case - return temp count */ +33: addik r3, r7, 0 + /* Restore register content */ + lwi r5, r1, 0 + lwi r6, r1, 4 + lwi r7, r1, 8 + lwi r19, r1, 12 + lwi r20, r1, 16 + lwi r21, r1, 20 + lwi r22, r1, 24 + lwi r23, r1, 28 + lwi r24, r1, 32 + lwi r25, r1, 36 + addik r1, r1, 40 + /* return back */ rtsd r15, 8 nop diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index b6bb92c16a47..41dd00884975 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -157,7 +157,7 @@ static void octeon_dma_sync_sg_for_device(struct device *dev, } static void *octeon_dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) + dma_addr_t *dma_handle, gfp_t gfp, struct dma_attrs *attrs) { void *ret; @@ -192,7 +192,7 @@ static void *octeon_dma_alloc_coherent(struct device *dev, size_t size, } static void octeon_dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, struct dma_attrs *attrs) { int order = get_order(size); @@ -240,8 +240,8 @@ EXPORT_SYMBOL(dma_to_phys); static struct octeon_dma_map_ops octeon_linear_dma_map_ops = { .dma_map_ops = { - .alloc_coherent = octeon_dma_alloc_coherent, - .free_coherent = octeon_dma_free_coherent, + .alloc = octeon_dma_alloc_coherent, + .free = octeon_dma_free_coherent, .map_page = octeon_dma_map_page, .unmap_page = swiotlb_unmap_page, .map_sg = octeon_dma_map_sg, @@ -325,8 +325,8 @@ void __init plat_swiotlb_setup(void) #ifdef CONFIG_PCI static struct octeon_dma_map_ops _octeon_pci_dma_map_ops = { .dma_map_ops = { - .alloc_coherent = octeon_dma_alloc_coherent, - .free_coherent = octeon_dma_free_coherent, + .alloc = octeon_dma_alloc_coherent, + .free = octeon_dma_free_coherent, .map_page = octeon_dma_map_page, .unmap_page = swiotlb_unmap_page, .map_sg = octeon_dma_map_sg, diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index c3e2b85c3b02..97e7ce9b50ed 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -78,7 +78,7 @@ static inline void octeon_send_ipi_mask(const struct cpumask *mask, } /** - * Detect available CPUs, populate cpu_possible_map + * Detect available CPUs, populate cpu_possible_mask */ static void octeon_smp_hotplug_setup(void) { @@ -268,7 +268,7 @@ static int octeon_cpu_disable(void) spin_lock(&smp_reserve_lock); - cpu_clear(cpu, cpu_online_map); + set_cpu_online(cpu, false); cpu_clear(cpu, cpu_callin_map); local_irq_disable(); fixup_irqs(); diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index 7aa37ddfca4b..be39a12901c6 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -57,25 +57,31 @@ dma_set_mask(struct device *dev, u64 mask) extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction); -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { void *ret; struct dma_map_ops *ops = get_dma_ops(dev); - ret = ops->alloc_coherent(dev, size, dma_handle, gfp); + ret = ops->alloc(dev, size, dma_handle, gfp, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, ret); return ret; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); - ops->free_coherent(dev, size, vaddr, dma_handle); + ops->free(dev, size, vaddr, dma_handle, attrs); debug_dma_free_coherent(dev, size, vaddr, dma_handle); } diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index 802e6160f37e..33f63bab478a 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -173,7 +173,7 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, if (retval) goto out_unlock; - cpus_and(mask, p->thread.user_cpus_allowed, cpu_possible_map); + cpumask_and(&mask, &p->thread.user_cpus_allowed, cpu_possible_mask); out_unlock: read_unlock(&tasklist_lock); diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index e309665b6c81..f8b2c592514d 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -25,7 +25,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) int i; #ifdef CONFIG_SMP - if (!cpu_isset(n, cpu_online_map)) + if (!cpu_online(n)) return 0; #endif diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index ca673569fd24..3046e2986006 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -317,7 +317,7 @@ static int bmips_cpu_disable(void) pr_info("SMP: CPU%d is offline\n", cpu); - cpu_clear(cpu, cpu_online_map); + set_cpu_online(cpu, false); cpu_clear(cpu, cpu_callin_map); local_flush_tlb_all(); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 9c1cce9de35f..ba9376bf52a1 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -148,7 +148,7 @@ static void stop_this_cpu(void *dummy) /* * Remove this CPU: */ - cpu_clear(smp_processor_id(), cpu_online_map); + set_cpu_online(smp_processor_id(), false); for (;;) { if (cpu_wait) (*cpu_wait)(); /* Wait if available. */ @@ -174,7 +174,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) mp_ops->prepare_cpus(max_cpus); set_cpu_sibling_map(0); #ifndef CONFIG_HOTPLUG_CPU - init_cpu_present(&cpu_possible_map); + init_cpu_present(cpu_possible_mask); #endif } @@ -248,7 +248,7 @@ int __cpuinit __cpu_up(unsigned int cpu) while (!cpu_isset(cpu, cpu_callin_map)) udelay(100); - cpu_set(cpu, cpu_online_map); + set_cpu_online(cpu, true); return 0; } @@ -320,13 +320,12 @@ void flush_tlb_mm(struct mm_struct *mm) if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) { smp_on_other_tlbs(flush_tlb_mm_ipi, mm); } else { - cpumask_t mask = cpu_online_map; unsigned int cpu; - cpu_clear(smp_processor_id(), mask); - for_each_cpu_mask(cpu, mask) - if (cpu_context(cpu, mm)) + for_each_online_cpu(cpu) { + if (cpu != smp_processor_id() && cpu_context(cpu, mm)) cpu_context(cpu, mm) = 0; + } } local_flush_tlb_mm(mm); @@ -360,13 +359,12 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned l smp_on_other_tlbs(flush_tlb_range_ipi, &fd); } else { - cpumask_t mask = cpu_online_map; unsigned int cpu; - cpu_clear(smp_processor_id(), mask); - for_each_cpu_mask(cpu, mask) - if (cpu_context(cpu, mm)) + for_each_online_cpu(cpu) { + if (cpu != smp_processor_id() && cpu_context(cpu, mm)) cpu_context(cpu, mm) = 0; + } } local_flush_tlb_range(vma, start, end); preempt_enable(); @@ -407,13 +405,12 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long page) smp_on_other_tlbs(flush_tlb_page_ipi, &fd); } else { - cpumask_t mask = cpu_online_map; unsigned int cpu; - cpu_clear(smp_processor_id(), mask); - for_each_cpu_mask(cpu, mask) - if (cpu_context(cpu, vma->vm_mm)) + for_each_online_cpu(cpu) { + if (cpu != smp_processor_id() && cpu_context(cpu, vma->vm_mm)) cpu_context(cpu, vma->vm_mm) = 0; + } } local_flush_tlb_page(vma, page); preempt_enable(); diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index c4f75bbc0bd6..f5dd38f1d015 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -291,7 +291,7 @@ static void smtc_configure_tlb(void) * possibly leave some TCs/VPEs as "slave" processors. * * Use c0_MVPConf0 to find out how many TCs are available, setting up - * cpu_possible_map and the logical/physical mappings. + * cpu_possible_mask and the logical/physical mappings. */ int __init smtc_build_cpu_map(int start_cpu_slot) diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index 1f9ca07f53c8..47037ec5589b 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -80,9 +80,9 @@ static void octeon_flush_icache_all_cores(struct vm_area_struct *vma) if (vma) mask = *mm_cpumask(vma->vm_mm); else - mask = cpu_online_map; - cpu_clear(cpu, mask); - for_each_cpu_mask(cpu, mask) + mask = *cpu_online_mask; + cpumask_clear_cpu(cpu, &mask); + for_each_cpu(cpu, &mask) octeon_send_ipi_single(cpu, SMP_ICACHE_FLUSH); preempt_enable(); diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 46084912e588..3fab2046c8a4 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -98,7 +98,7 @@ void *dma_alloc_noncoherent(struct device *dev, size_t size, EXPORT_SYMBOL(dma_alloc_noncoherent); static void *mips_dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t * dma_handle, gfp_t gfp) + dma_addr_t * dma_handle, gfp_t gfp, struct dma_attrs *attrs) { void *ret; @@ -132,7 +132,7 @@ void dma_free_noncoherent(struct device *dev, size_t size, void *vaddr, EXPORT_SYMBOL(dma_free_noncoherent); static void mips_dma_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle) + dma_addr_t dma_handle, struct dma_attrs *attrs) { unsigned long addr = (unsigned long) vaddr; int order = get_order(size); @@ -323,8 +323,8 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, EXPORT_SYMBOL(dma_cache_sync); static struct dma_map_ops mips_default_dma_map_ops = { - .alloc_coherent = mips_dma_alloc_coherent, - .free_coherent = mips_dma_free_coherent, + .alloc = mips_dma_alloc_coherent, + .free = mips_dma_free_coherent, .map_page = mips_dma_map_page, .unmap_page = mips_dma_unmap_page, .map_sg = mips_dma_map_sg, diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c index db17f49886c2..fab316de57e9 100644 --- a/arch/mips/netlogic/common/smp.c +++ b/arch/mips/netlogic/common/smp.c @@ -165,7 +165,7 @@ void __init nlm_smp_setup(void) cpu_set(boot_cpu, phys_cpu_present_map); __cpu_number_map[boot_cpu] = 0; __cpu_logical_map[0] = boot_cpu; - cpu_set(0, cpu_possible_map); + set_cpu_possible(0, true); num_cpus = 1; for (i = 0; i < NR_CPUS; i++) { @@ -177,14 +177,14 @@ void __init nlm_smp_setup(void) cpu_set(i, phys_cpu_present_map); __cpu_number_map[i] = num_cpus; __cpu_logical_map[num_cpus] = i; - cpu_set(num_cpus, cpu_possible_map); + set_cpu_possible(num_cpus, true); ++num_cpus; } } pr_info("Phys CPU present map: %lx, possible map %lx\n", (unsigned long)phys_cpu_present_map.bits[0], - (unsigned long)cpu_possible_map.bits[0]); + (unsigned long)cpumask_bits(cpu_possible_mask)[0]); pr_info("Detected %i Slave CPU(s)\n", num_cpus); nlm_set_nmi_handler(nlm_boot_secondary_cpus); diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c index 2608752898c0..b71fae231049 100644 --- a/arch/mips/pmc-sierra/yosemite/smp.c +++ b/arch/mips/pmc-sierra/yosemite/smp.c @@ -146,7 +146,7 @@ static void __cpuinit yos_boot_secondary(int cpu, struct task_struct *idle) } /* - * Detect available CPUs, populate cpu_possible_map before smp_init + * Detect available CPUs, populate cpu_possible_mask before smp_init * * We don't want to start the secondary CPU yet nor do we have a nice probing * feature in PMON so we just assume presence of the secondary core. @@ -155,10 +155,10 @@ static void __init yos_smp_setup(void) { int i; - cpus_clear(cpu_possible_map); + init_cpu_possible(cpu_none_mask); for (i = 0; i < 2; i++) { - cpu_set(i, cpu_possible_map); + set_cpu_possible(i, true); __cpu_number_map[i] = i; __cpu_logical_map[i] = i; } @@ -169,7 +169,7 @@ static void __init yos_prepare_cpus(unsigned int max_cpus) /* * Be paranoid. Enable the IPI only if we're really about to go SMP. */ - if (cpus_weight(cpu_possible_map)) + if (num_possible_cpus()) set_c0_status(STATUSF_IP5); } diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c index c6851df9ab74..735b43bf8f82 100644 --- a/arch/mips/sgi-ip27/ip27-smp.c +++ b/arch/mips/sgi-ip27/ip27-smp.c @@ -76,7 +76,7 @@ static int do_cpumask(cnodeid_t cnode, nasid_t nasid, int highest) /* Only let it join in if it's marked enabled */ if ((acpu->cpu_info.flags & KLINFO_ENABLE) && (tot_cpus_found != NR_CPUS)) { - cpu_set(cpuid, cpu_possible_map); + set_cpu_possible(cpuid, true); alloc_cpupda(cpuid, tot_cpus_found); cpus_found++; tot_cpus_found++; diff --git a/arch/mips/sibyte/bcm1480/smp.c b/arch/mips/sibyte/bcm1480/smp.c index d667875be564..de88e22694a0 100644 --- a/arch/mips/sibyte/bcm1480/smp.c +++ b/arch/mips/sibyte/bcm1480/smp.c @@ -138,7 +138,7 @@ static void __cpuinit bcm1480_boot_secondary(int cpu, struct task_struct *idle) /* * Use CFE to find out how many CPUs are available, setting up - * cpu_possible_map and the logical/physical mappings. + * cpu_possible_mask and the logical/physical mappings. * XXXKW will the boot CPU ever not be physical 0? * * Common setup before any secondaries are started @@ -147,14 +147,13 @@ static void __init bcm1480_smp_setup(void) { int i, num; - cpus_clear(cpu_possible_map); - cpu_set(0, cpu_possible_map); + init_cpu_possible(cpumask_of(0)); __cpu_number_map[0] = 0; __cpu_logical_map[0] = 0; for (i = 1, num = 0; i < NR_CPUS; i++) { if (cfe_cpu_stop(i) == 0) { - cpu_set(i, cpu_possible_map); + set_cpu_possible(i, true); __cpu_number_map[i] = ++num; __cpu_logical_map[num] = i; } diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c index 38e7f6bd7922..285cfef4ebc0 100644 --- a/arch/mips/sibyte/sb1250/smp.c +++ b/arch/mips/sibyte/sb1250/smp.c @@ -126,7 +126,7 @@ static void __cpuinit sb1250_boot_secondary(int cpu, struct task_struct *idle) /* * Use CFE to find out how many CPUs are available, setting up - * cpu_possible_map and the logical/physical mappings. + * cpu_possible_mask and the logical/physical mappings. * XXXKW will the boot CPU ever not be physical 0? * * Common setup before any secondaries are started @@ -135,14 +135,13 @@ static void __init sb1250_smp_setup(void) { int i, num; - cpus_clear(cpu_possible_map); - cpu_set(0, cpu_possible_map); + init_cpu_possible(cpumask_of(0)); __cpu_number_map[0] = 0; __cpu_logical_map[0] = 0; for (i = 1, num = 0; i < NR_CPUS; i++) { if (cfe_cpu_stop(i) == 0) { - cpu_set(i, cpu_possible_map); + set_cpu_possible(i, true); __cpu_number_map[i] = ++num; __cpu_logical_map[num] = i; } diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 3ae56073cc3d..6c6defc24619 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -6,6 +6,7 @@ #define _ASM_PARISC_ATOMIC_H_ #include <linux/types.h> +#include <asm/cmpxchg.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -48,112 +49,6 @@ extern arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned; # define _atomic_spin_unlock_irqrestore(l,f) do { local_irq_restore(f); } while (0) #endif -/* This should get optimized out since it's never called. -** Or get a link error if xchg is used "wrong". -*/ -extern void __xchg_called_with_bad_pointer(void); - - -/* __xchg32/64 defined in arch/parisc/lib/bitops.c */ -extern unsigned long __xchg8(char, char *); -extern unsigned long __xchg32(int, int *); -#ifdef CONFIG_64BIT -extern unsigned long __xchg64(unsigned long, unsigned long *); -#endif - -/* optimizer better get rid of switch since size is a constant */ -static __inline__ unsigned long -__xchg(unsigned long x, __volatile__ void * ptr, int size) -{ - switch(size) { -#ifdef CONFIG_64BIT - case 8: return __xchg64(x,(unsigned long *) ptr); -#endif - case 4: return __xchg32((int) x, (int *) ptr); - case 1: return __xchg8((char) x, (char *) ptr); - } - __xchg_called_with_bad_pointer(); - return x; -} - - -/* -** REVISIT - Abandoned use of LDCW in xchg() for now: -** o need to test sizeof(*ptr) to avoid clearing adjacent bytes -** o and while we are at it, could CONFIG_64BIT code use LDCD too? -** -** if (__builtin_constant_p(x) && (x == NULL)) -** if (((unsigned long)p & 0xf) == 0) -** return __ldcw(p); -*/ -#define xchg(ptr,x) \ - ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) - - -#define __HAVE_ARCH_CMPXCHG 1 - -/* bug catcher for when unsupported size is used - won't link */ -extern void __cmpxchg_called_with_bad_pointer(void); - -/* __cmpxchg_u32/u64 defined in arch/parisc/lib/bitops.c */ -extern unsigned long __cmpxchg_u32(volatile unsigned int *m, unsigned int old, unsigned int new_); -extern unsigned long __cmpxchg_u64(volatile unsigned long *ptr, unsigned long old, unsigned long new_); - -/* don't worry...optimizer will get rid of most of this */ -static __inline__ unsigned long -__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) -{ - switch(size) { -#ifdef CONFIG_64BIT - case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_); -#endif - case 4: return __cmpxchg_u32((unsigned int *)ptr, (unsigned int) old, (unsigned int) new_); - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#define cmpxchg(ptr,o,n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) - -#include <asm-generic/cmpxchg-local.h> - -static inline unsigned long __cmpxchg_local(volatile void *ptr, - unsigned long old, - unsigned long new_, int size) -{ - switch (size) { -#ifdef CONFIG_64BIT - case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_); -#endif - case 4: return __cmpxchg_u32(ptr, old, new_); - default: - return __cmpxchg_local_generic(ptr, old, new_, size); - } -} - -/* - * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make - * them available. - */ -#define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) -#ifdef CONFIG_64BIT -#define cmpxchg64_local(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg_local((ptr), (o), (n)); \ - }) -#else -#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) -#endif - /* * Note that we need not lock read accesses - aligned word writes/reads * are atomic, so a reader never sees inconsistent values. diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h new file mode 100644 index 000000000000..dbd13354ec41 --- /dev/null +++ b/arch/parisc/include/asm/cmpxchg.h @@ -0,0 +1,116 @@ +/* + * forked from parisc asm/atomic.h which was: + * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> + * Copyright (C) 2006 Kyle McMartin <kyle@parisc-linux.org> + */ + +#ifndef _ASM_PARISC_CMPXCHG_H_ +#define _ASM_PARISC_CMPXCHG_H_ + +/* This should get optimized out since it's never called. +** Or get a link error if xchg is used "wrong". +*/ +extern void __xchg_called_with_bad_pointer(void); + +/* __xchg32/64 defined in arch/parisc/lib/bitops.c */ +extern unsigned long __xchg8(char, char *); +extern unsigned long __xchg32(int, int *); +#ifdef CONFIG_64BIT +extern unsigned long __xchg64(unsigned long, unsigned long *); +#endif + +/* optimizer better get rid of switch since size is a constant */ +static inline unsigned long +__xchg(unsigned long x, __volatile__ void *ptr, int size) +{ + switch (size) { +#ifdef CONFIG_64BIT + case 8: return __xchg64(x, (unsigned long *) ptr); +#endif + case 4: return __xchg32((int) x, (int *) ptr); + case 1: return __xchg8((char) x, (char *) ptr); + } + __xchg_called_with_bad_pointer(); + return x; +} + +/* +** REVISIT - Abandoned use of LDCW in xchg() for now: +** o need to test sizeof(*ptr) to avoid clearing adjacent bytes +** o and while we are at it, could CONFIG_64BIT code use LDCD too? +** +** if (__builtin_constant_p(x) && (x == NULL)) +** if (((unsigned long)p & 0xf) == 0) +** return __ldcw(p); +*/ +#define xchg(ptr, x) \ + ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) + +#define __HAVE_ARCH_CMPXCHG 1 + +/* bug catcher for when unsupported size is used - won't link */ +extern void __cmpxchg_called_with_bad_pointer(void); + +/* __cmpxchg_u32/u64 defined in arch/parisc/lib/bitops.c */ +extern unsigned long __cmpxchg_u32(volatile unsigned int *m, unsigned int old, + unsigned int new_); +extern unsigned long __cmpxchg_u64(volatile unsigned long *ptr, + unsigned long old, unsigned long new_); + +/* don't worry...optimizer will get rid of most of this */ +static inline unsigned long +__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) +{ + switch (size) { +#ifdef CONFIG_64BIT + case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_); +#endif + case 4: return __cmpxchg_u32((unsigned int *)ptr, + (unsigned int)old, (unsigned int)new_); + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +#define cmpxchg(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ +}) + +#include <asm-generic/cmpxchg-local.h> + +static inline unsigned long __cmpxchg_local(volatile void *ptr, + unsigned long old, + unsigned long new_, int size) +{ + switch (size) { +#ifdef CONFIG_64BIT + case 8: return __cmpxchg_u64((unsigned long *)ptr, old, new_); +#endif + case 4: return __cmpxchg_u32(ptr, old, new_); + default: + return __cmpxchg_local_generic(ptr, old, new_, size); + } +} + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr)))) +#ifdef CONFIG_64BIT +#define cmpxchg64_local(ptr, o, n) \ +({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg_local((ptr), (o), (n)); \ +}) +#else +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) +#endif + +#endif /* _ASM_PARISC_CMPXCHG_H_ */ diff --git a/arch/powerpc/boot/dts/p1020mbg-pc.dtsi b/arch/powerpc/boot/dts/p1020mbg-pc.dtsi new file mode 100644 index 000000000000..a24699cfea9c --- /dev/null +++ b/arch/powerpc/boot/dts/p1020mbg-pc.dtsi @@ -0,0 +1,151 @@ +/* + * P1020 MBG-PC Device Tree Source stub (no addresses or top-level ranges) + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +&lbc { + nor@0,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x0 0x0 0x4000000>; + bank-width = <2>; + device-width = <1>; + + partition@0 { + /* 128KB for DTB Image */ + reg = <0x0 0x00020000>; + label = "NOR DTB Image"; + }; + + partition@20000 { + /* 3.875 MB for Linux Kernel Image */ + reg = <0x00020000 0x003e0000>; + label = "NOR Linux Kernel Image"; + }; + + partition@400000 { + /* 58MB for Root file System */ + reg = <0x00400000 0x03a00000>; + label = "NOR Root File System"; + }; + + partition@3e00000 { + /* This location must not be altered */ + /* 1M for Vitesse 7385 Switch firmware */ + reg = <0x3e00000 0x00100000>; + label = "NOR Vitesse-7385 Firmware"; + read-only; + }; + + partition@3f00000 { + /* This location must not be altered */ + /* 512KB for u-boot Bootloader Image */ + /* 512KB for u-boot Environment Variables */ + reg = <0x03f00000 0x00100000>; + label = "NOR U-Boot Image"; + read-only; + }; + }; + + L2switch@2,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "vitesse-7385"; + reg = <0x2 0x0 0x20000>; + }; +}; + +&soc { + i2c@3000 { + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; + }; + + mdio@24000 { + phy0: ethernet-phy@0 { + interrupts = <3 1 0 0>; + reg = <0x0>; + }; + phy1: ethernet-phy@1 { + interrupts = <2 1 0 0>; + reg = <0x1>; + }; + }; + + mdio@25000 { + tbi1: tbi-phy@11 { + reg = <0x11>; + device_type = "tbi-phy"; + }; + }; + + mdio@26000 { + tbi2: tbi-phy@11 { + reg = <0x11>; + device_type = "tbi-phy"; + }; + }; + + enet0: ethernet@b0000 { + fixed-link = <1 1 1000 0 0>; + phy-connection-type = "rgmii-id"; + }; + + enet1: ethernet@b1000 { + phy-handle = <&phy0>; + tbi-handle = <&tbi1>; + phy-connection-type = "sgmii"; + }; + + enet2: ethernet@b2000 { + phy-handle = <&phy1>; + phy-connection-type = "rgmii-id"; + }; + + usb@22000 { + phy_type = "ulpi"; + }; + + /* USB2 is shared with localbus, so it must be disabled + by default. We can't put 'status = "disabled";' here + since U-Boot doesn't clear the status property when + it enables USB2. OTOH, U-Boot does create a new node + when there isn't any. So, just comment it out. + */ + usb@23000 { + status = "disabled"; + phy_type = "ulpi"; + }; +}; diff --git a/arch/powerpc/boot/dts/p1020mbg-pc_32b.dts b/arch/powerpc/boot/dts/p1020mbg-pc_32b.dts new file mode 100644 index 000000000000..ab8f076eae90 --- /dev/null +++ b/arch/powerpc/boot/dts/p1020mbg-pc_32b.dts @@ -0,0 +1,89 @@ +/* + * P1020 MBG-PC Device Tree Source (32-bit address map) + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/include/ "fsl/p1020si-pre.dtsi" +/ { + model = "fsl,P1020MBG-PC"; + compatible = "fsl,P1020MBG-PC"; + + memory { + device_type = "memory"; + }; + + lbc: localbus@ffe05000 { + reg = <0x0 0xffe05000 0x0 0x1000>; + + /* NOR and L2 switch */ + ranges = <0x0 0x0 0x0 0xec000000 0x04000000 + 0x1 0x0 0x0 0xffa00000 0x00040000 + 0x2 0x0 0x0 0xffb00000 0x00020000>; + }; + + soc: soc@ffe00000 { + ranges = <0x0 0x0 0xffe00000 0x100000>; + }; + + pci0: pcie@ffe09000 { + reg = <0x0 0xffe09000 0x0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0x0 0xa0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0x0 0xffc10000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + pci1: pcie@ffe0a000 { + reg = <0x0 0xffe0a000 0x0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0x0 0x80000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0x0 0xffc00000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; +}; + +/include/ "p1020mbg-pc.dtsi" +/include/ "fsl/p1020si-post.dtsi" diff --git a/arch/powerpc/boot/dts/p1020mbg-pc_36b.dts b/arch/powerpc/boot/dts/p1020mbg-pc_36b.dts new file mode 100644 index 000000000000..9e9f401419b1 --- /dev/null +++ b/arch/powerpc/boot/dts/p1020mbg-pc_36b.dts @@ -0,0 +1,89 @@ +/* + * P1020 MBG-PC Device Tree Source (36-bit address map) + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/include/ "fsl/p1020si-pre.dtsi" +/ { + model = "fsl,P1020MBG-PC"; + compatible = "fsl,P1020MBG-PC"; + + memory { + device_type = "memory"; + }; + + lbc: localbus@fffe05000 { + reg = <0xf 0xffe05000 0x0 0x1000>; + + /* NOR and L2 switch */ + ranges = <0x0 0x0 0xf 0xec000000 0x04000000 + 0x1 0x0 0xf 0xffa00000 0x00040000 + 0x2 0x0 0xf 0xffb00000 0x00020000>; + }; + + soc: soc@fffe00000 { + ranges = <0x0 0xf 0xffe00000 0x100000>; + }; + + pci0: pcie@fffe09000 { + reg = <0xf 0xffe09000 0x0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0xf 0xffc10000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + pci1: pcie@fffe0a000 { + reg = <0xf 0xffe0a000 0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0xc 0x00000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0xf 0xffc00000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; +}; + +/include/ "p1020mbg-pc.dtsi" +/include/ "fsl/p1020si-post.dtsi" diff --git a/arch/powerpc/boot/dts/p1020utm-pc.dtsi b/arch/powerpc/boot/dts/p1020utm-pc.dtsi new file mode 100644 index 000000000000..7ea85eabcc5c --- /dev/null +++ b/arch/powerpc/boot/dts/p1020utm-pc.dtsi @@ -0,0 +1,140 @@ +/* + * P1020 UTM-PC Device Tree Source stub (no addresses or top-level ranges) + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +&lbc { + nor@0,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x0 0x0 0x2000000>; + bank-width = <2>; + device-width = <1>; + + partition@0 { + /* 256KB for DTB Image */ + reg = <0x0 0x00040000>; + label = "NOR DTB Image"; + }; + + partition@40000 { + /* 3.75 MB for Linux Kernel Image */ + reg = <0x00040000 0x003c0000>; + label = "NOR Linux Kernel Image"; + }; + + partition@400000 { + /* 27MB for Root file System */ + reg = <0x00400000 0x01b00000>; + label = "NOR Root File System"; + }; + + partition@1f00000 { + /* This location must not be altered */ + /* 512KB for u-boot Bootloader Image */ + /* 512KB for u-boot Environment Variables */ + reg = <0x01f00000 0x00100000>; + label = "NOR U-Boot Image"; + read-only; + }; + }; +}; + +&soc { + i2c@3000 { + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; + }; + + mdio@24000 { + phy0: ethernet-phy@0 { + interrupts = <3 1 0 0>; + reg = <0x0>; + }; + phy1: ethernet-phy@1 { + interrupts = <2 1 0 0>; + reg = <0x1>; + }; + phy2: ethernet-phy@2 { + interrupts = <1 1 0 0>; + reg = <0x2>; + }; + }; + + mdio@25000 { + tbi1: tbi-phy@11 { + reg = <0x11>; + device_type = "tbi-phy"; + }; + }; + + mdio@26000 { + tbi2: tbi-phy@11 { + reg = <0x11>; + device_type = "tbi-phy"; + }; + }; + + enet0: ethernet@b0000 { + phy-handle = <&phy2>; + phy-connection-type = "rgmii-id"; + }; + + enet1: ethernet@b1000 { + phy-handle = <&phy0>; + tbi-handle = <&tbi1>; + phy-connection-type = "sgmii"; + }; + + enet2: ethernet@b2000 { + phy-handle = <&phy1>; + phy-connection-type = "rgmii-id"; + }; + + usb@22000 { + phy_type = "ulpi"; + }; + + /* USB2 is shared with localbus, so it must be disabled + by default. We can't put 'status = "disabled";' here + since U-Boot doesn't clear the status property when + it enables USB2. OTOH, U-Boot does create a new node + when there isn't any. So, just comment it out. + */ + usb@23000 { + status = "disabled"; + phy_type = "ulpi"; + }; +}; diff --git a/arch/powerpc/boot/dts/p1020utm-pc_32b.dts b/arch/powerpc/boot/dts/p1020utm-pc_32b.dts new file mode 100644 index 000000000000..4bfdd8971cdb --- /dev/null +++ b/arch/powerpc/boot/dts/p1020utm-pc_32b.dts @@ -0,0 +1,89 @@ +/* + * P1020 UTM-PC Device Tree Source (32-bit address map) + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/include/ "fsl/p1020si-pre.dtsi" +/ { + model = "fsl,P1020UTM-PC"; + compatible = "fsl,P1020UTM-PC"; + + memory { + device_type = "memory"; + }; + + lbc: localbus@ffe05000 { + reg = <0x0 0xffe05000 0x0 0x1000>; + + /* NOR */ + ranges = <0x0 0x0 0x0 0xec000000 0x02000000 + 0x1 0x0 0x0 0xffa00000 0x00040000 + 0x2 0x0 0x0 0xffb00000 0x00020000>; + }; + + soc: soc@ffe00000 { + ranges = <0x0 0x0 0xffe00000 0x100000>; + }; + + pci0: pcie@ffe09000 { + reg = <0x0 0xffe09000 0x0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0x0 0xa0000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0x0 0xffc10000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + pci1: pcie@ffe0a000 { + reg = <0x0 0xffe0a000 0x0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0x0 0x80000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0x0 0xffc00000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; +}; + +/include/ "p1020utm-pc.dtsi" +/include/ "fsl/p1020si-post.dtsi" diff --git a/arch/powerpc/boot/dts/p1020utm-pc_36b.dts b/arch/powerpc/boot/dts/p1020utm-pc_36b.dts new file mode 100644 index 000000000000..abec53557501 --- /dev/null +++ b/arch/powerpc/boot/dts/p1020utm-pc_36b.dts @@ -0,0 +1,89 @@ +/* + * P1020 UTM-PC Device Tree Source (36-bit address map) + * + * Copyright 2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/include/ "fsl/p1020si-pre.dtsi" +/ { + model = "fsl,P1020UTM-PC"; + compatible = "fsl,P1020UTM-PC"; + + memory { + device_type = "memory"; + }; + + lbc: localbus@fffe05000 { + reg = <0xf 0xffe05000 0x0 0x1000>; + + /* NOR */ + ranges = <0x0 0x0 0xf 0xec000000 0x02000000 + 0x1 0x0 0xf 0xffa00000 0x00040000 + 0x2 0x0 0xf 0xffb00000 0x00020000>; + }; + + soc: soc@fffe00000 { + ranges = <0x0 0xf 0xffe00000 0x100000>; + }; + + pci0: pcie@fffe09000 { + reg = <0xf 0xffe09000 0x0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0xf 0xffc10000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; + + pci1: pcie@fffe0a000 { + reg = <0xf 0xffe0a000 0 0x1000>; + ranges = <0x2000000 0x0 0xe0000000 0xc 0x00000000 0x0 0x20000000 + 0x1000000 0x0 0x00000000 0xf 0xffc00000 0x0 0x10000>; + pcie@0 { + ranges = <0x2000000 0x0 0xe0000000 + 0x2000000 0x0 0xe0000000 + 0x0 0x20000000 + + 0x1000000 0x0 0x0 + 0x1000000 0x0 0x0 + 0x0 0x100000>; + }; + }; +}; + +/include/ "p1020utm-pc.dtsi" +/include/ "fsl/p1020si-post.dtsi" diff --git a/arch/powerpc/boot/dts/p2041rdb.dts b/arch/powerpc/boot/dts/p2041rdb.dts index 4f957db01230..285213976a7f 100644 --- a/arch/powerpc/boot/dts/p2041rdb.dts +++ b/arch/powerpc/boot/dts/p2041rdb.dts @@ -135,7 +135,6 @@ reg = <0xf 0xfe200000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>; - fsl,msi = <&msi0>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -151,7 +150,6 @@ reg = <0xf 0xfe201000 0 0x1000>; ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>; - fsl,msi = <&msi1>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -167,7 +165,6 @@ reg = <0xf 0xfe202000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>; - fsl,msi = <&msi2>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 diff --git a/arch/powerpc/boot/dts/p3041ds.dts b/arch/powerpc/boot/dts/p3041ds.dts index f469145abaeb..22a215e94162 100644 --- a/arch/powerpc/boot/dts/p3041ds.dts +++ b/arch/powerpc/boot/dts/p3041ds.dts @@ -173,7 +173,6 @@ reg = <0xf 0xfe200000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>; - fsl,msi = <&msi0>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -189,7 +188,6 @@ reg = <0xf 0xfe201000 0 0x1000>; ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>; - fsl,msi = <&msi1>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -205,7 +203,6 @@ reg = <0xf 0xfe202000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>; - fsl,msi = <&msi2>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -221,7 +218,6 @@ reg = <0xf 0xfe203000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x60000000 0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8030000 0 0x00010000>; - fsl,msi = <&msi2>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 diff --git a/arch/powerpc/boot/dts/p3060qds.dts b/arch/powerpc/boot/dts/p3060qds.dts index 529042e4b9a2..9ae875c8a211 100644 --- a/arch/powerpc/boot/dts/p3060qds.dts +++ b/arch/powerpc/boot/dts/p3060qds.dts @@ -212,7 +212,6 @@ reg = <0xf 0xfe200000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>; - fsl,msi = <&msi0>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -228,7 +227,6 @@ reg = <0xf 0xfe201000 0 0x1000>; ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>; - fsl,msi = <&msi1>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 diff --git a/arch/powerpc/boot/dts/p4080ds.dts b/arch/powerpc/boot/dts/p4080ds.dts index 6d60e54e50a0..3e204609d02e 100644 --- a/arch/powerpc/boot/dts/p4080ds.dts +++ b/arch/powerpc/boot/dts/p4080ds.dts @@ -141,7 +141,6 @@ reg = <0xf 0xfe200000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>; - fsl,msi = <&msi0>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -157,7 +156,6 @@ reg = <0xf 0xfe201000 0 0x1000>; ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>; - fsl,msi = <&msi1>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -173,7 +171,6 @@ reg = <0xf 0xfe202000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>; - fsl,msi = <&msi2>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 diff --git a/arch/powerpc/boot/dts/p5020ds.dts b/arch/powerpc/boot/dts/p5020ds.dts index 1c250684c902..27c07ed6adc1 100644 --- a/arch/powerpc/boot/dts/p5020ds.dts +++ b/arch/powerpc/boot/dts/p5020ds.dts @@ -173,7 +173,6 @@ reg = <0xf 0xfe200000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x00000000 0x0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8000000 0x0 0x00010000>; - fsl,msi = <&msi0>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -189,7 +188,6 @@ reg = <0xf 0xfe201000 0 0x1000>; ranges = <0x02000000 0x0 0xe0000000 0xc 0x20000000 0x0 0x20000000 0x01000000 0x0 0x00000000 0xf 0xf8010000 0x0 0x00010000>; - fsl,msi = <&msi1>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -205,7 +203,6 @@ reg = <0xf 0xfe202000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x40000000 0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8020000 0 0x00010000>; - fsl,msi = <&msi2>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 @@ -221,7 +218,6 @@ reg = <0xf 0xfe203000 0 0x1000>; ranges = <0x02000000 0 0xe0000000 0xc 0x60000000 0 0x20000000 0x01000000 0 0x00000000 0xf 0xf8030000 0 0x00010000>; - fsl,msi = <&msi2>; pcie@0 { ranges = <0x02000000 0 0xe0000000 0x02000000 0 0xe0000000 diff --git a/arch/powerpc/configs/corenet32_smp_defconfig b/arch/powerpc/configs/corenet32_smp_defconfig index f8aef205d222..91db656294e8 100644 --- a/arch/powerpc/configs/corenet32_smp_defconfig +++ b/arch/powerpc/configs/corenet32_smp_defconfig @@ -116,6 +116,7 @@ CONFIG_SERIAL_8250_RSA=y CONFIG_HW_RANDOM=y CONFIG_NVRAM=y CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y CONFIG_I2C_MPC=y CONFIG_SPI=y CONFIG_SPI_GPIO=y diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig index 82b13bfcf3c0..6798343580f0 100644 --- a/arch/powerpc/configs/corenet64_smp_defconfig +++ b/arch/powerpc/configs/corenet64_smp_defconfig @@ -71,6 +71,8 @@ CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_DETECT_IRQ=y CONFIG_SERIAL_8250_RSA=y CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_MPC=y # CONFIG_HWMON is not set CONFIG_VIDEO_OUTPUT_CONTROL=y # CONFIG_HID_SUPPORT is not set diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig index cc87a8441566..d6b6df5e8743 100644 --- a/arch/powerpc/configs/mpc85xx_defconfig +++ b/arch/powerpc/configs/mpc85xx_defconfig @@ -117,6 +117,7 @@ CONFIG_SERIAL_8250_RSA=y CONFIG_SERIAL_QE=m CONFIG_NVRAM=y CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y CONFIG_I2C_CPM=m CONFIG_I2C_MPC=y CONFIG_SPI=y diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig index 48d6682f2434..5b0e2926becd 100644 --- a/arch/powerpc/configs/mpc85xx_smp_defconfig +++ b/arch/powerpc/configs/mpc85xx_smp_defconfig @@ -119,6 +119,7 @@ CONFIG_SERIAL_8250_RSA=y CONFIG_SERIAL_QE=m CONFIG_NVRAM=y CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y CONFIG_I2C_CPM=m CONFIG_I2C_MPC=y CONFIG_SPI=y diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index dd70fac57ec8..62678e365ca0 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -22,9 +22,11 @@ /* Some dma direct funcs must be visible for use in other dma_ops */ extern void *dma_direct_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag); + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs); extern void dma_direct_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs); #ifdef CONFIG_NOT_COHERENT_CACHE @@ -130,23 +132,29 @@ static inline int dma_supported(struct device *dev, u64 mask) extern int dma_set_mask(struct device *dev, u64 dma_mask); -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { struct dma_map_ops *dma_ops = get_dma_ops(dev); void *cpu_addr; BUG_ON(!dma_ops); - cpu_addr = dma_ops->alloc_coherent(dev, size, dma_handle, flag); + cpu_addr = dma_ops->alloc(dev, size, dma_handle, flag, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, cpu_addr); return cpu_addr; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *dma_ops = get_dma_ops(dev); @@ -154,7 +162,7 @@ static inline void dma_free_coherent(struct device *dev, size_t size, debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); - dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); + dma_ops->free(dev, size, cpu_addr, dma_handle, attrs); } static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h index f3b0c2cc9fea..976835d8f22e 100644 --- a/arch/powerpc/include/asm/epapr_hcalls.h +++ b/arch/powerpc/include/asm/epapr_hcalls.h @@ -134,10 +134,15 @@ * whether they will be clobbered. * * Note that r11 can be used as an output parameter. + * + * The "memory" clobber is only necessary for hcalls where the Hypervisor + * will read or write guest memory. However, we add it to all hcalls because + * the impact is minimal, and we want to ensure that it's present for the + * hcalls that need it. */ /* List of common clobbered registers. Do not use this macro. */ -#define EV_HCALL_CLOBBERS "r0", "r12", "xer", "ctr", "lr", "cc" +#define EV_HCALL_CLOBBERS "r0", "r12", "xer", "ctr", "lr", "cc", "memory" #define EV_HCALL_CLOBBERS8 EV_HCALL_CLOBBERS #define EV_HCALL_CLOBBERS7 EV_HCALL_CLOBBERS8, "r10" diff --git a/arch/powerpc/include/asm/fsl_guts.h b/arch/powerpc/include/asm/fsl_guts.h index ce04530d2000..aa4c488589ce 100644 --- a/arch/powerpc/include/asm/fsl_guts.h +++ b/arch/powerpc/include/asm/fsl_guts.h @@ -16,15 +16,6 @@ #define __ASM_POWERPC_FSL_GUTS_H__ #ifdef __KERNEL__ -/* - * These #ifdefs are safe because it's not possible to build a kernel that - * runs on e500 and e600 cores. - */ - -#if !defined(CONFIG_PPC_85xx) && !defined(CONFIG_PPC_86xx) -#error Only 85xx and 86xx SOCs are supported -#endif - /** * Global Utility Registers. * @@ -36,11 +27,7 @@ * different names. In these cases, one name is chosen to avoid extraneous * #ifdefs. */ -#ifdef CONFIG_PPC_85xx -struct ccsr_guts_85xx { -#else -struct ccsr_guts_86xx { -#endif +struct ccsr_guts { __be32 porpllsr; /* 0x.0000 - POR PLL Ratio Status Register */ __be32 porbmsr; /* 0x.0004 - POR Boot Mode Status Register */ __be32 porimpscr; /* 0x.0008 - POR I/O Impedance Status and Control Register */ @@ -77,11 +64,8 @@ struct ccsr_guts_86xx { u8 res0a8[0xb0 - 0xa8]; __be32 rstcr; /* 0x.00b0 - Reset Control Register */ u8 res0b4[0xc0 - 0xb4]; -#ifdef CONFIG_PPC_85xx - __be32 iovselsr; /* 0x.00c0 - I/O voltage select status register */ -#else - __be32 elbcvselcr; /* 0x.00c0 - eLBC Voltage Select Ctrl Reg */ -#endif + __be32 iovselsr; /* 0x.00c0 - I/O voltage select status register + Called 'elbcvselcr' on 86xx SOCs */ u8 res0c4[0x224 - 0xc4]; __be32 iodelay1; /* 0x.0224 - IO delay control register 1 */ __be32 iodelay2; /* 0x.0228 - IO delay control register 2 */ @@ -136,7 +120,7 @@ struct ccsr_guts_86xx { * ch: The channel on the DMA controller (0, 1, 2, or 3) * device: The device to set as the source (CCSR_GUTS_DMACR_DEV_xx) */ -static inline void guts_set_dmacr(struct ccsr_guts_86xx __iomem *guts, +static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts, unsigned int co, unsigned int ch, unsigned int device) { unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch)); @@ -172,7 +156,7 @@ static inline void guts_set_dmacr(struct ccsr_guts_86xx __iomem *guts, * ch: The channel on the DMA controller (0, 1, 2, or 3) * value: the new value for the bit (0 or 1) */ -static inline void guts_set_pmuxcr_dma(struct ccsr_guts_86xx __iomem *guts, +static inline void guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts, unsigned int co, unsigned int ch, unsigned int value) { if ((ch == 0) || (ch == 3)) { diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index 3f6464b4d970..bcfdcd22c766 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -17,7 +17,8 @@ * to the dma address (mapping) of the first page. */ static void *dma_iommu_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { return iommu_alloc_coherent(dev, get_iommu_table_base(dev), size, dma_handle, dev->coherent_dma_mask, flag, @@ -25,7 +26,8 @@ static void *dma_iommu_alloc_coherent(struct device *dev, size_t size, } static void dma_iommu_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { iommu_free_coherent(get_iommu_table_base(dev), size, vaddr, dma_handle); } @@ -105,8 +107,8 @@ static u64 dma_iommu_get_required_mask(struct device *dev) } struct dma_map_ops dma_iommu_ops = { - .alloc_coherent = dma_iommu_alloc_coherent, - .free_coherent = dma_iommu_free_coherent, + .alloc = dma_iommu_alloc_coherent, + .free = dma_iommu_free_coherent, .map_sg = dma_iommu_map_sg, .unmap_sg = dma_iommu_unmap_sg, .dma_supported = dma_iommu_dma_supported, diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c index 1ebc9189aada..4ab88dafb235 100644 --- a/arch/powerpc/kernel/dma-swiotlb.c +++ b/arch/powerpc/kernel/dma-swiotlb.c @@ -47,8 +47,8 @@ static u64 swiotlb_powerpc_get_required(struct device *dev) * for everything else. */ struct dma_map_ops swiotlb_dma_ops = { - .alloc_coherent = dma_direct_alloc_coherent, - .free_coherent = dma_direct_free_coherent, + .alloc = dma_direct_alloc_coherent, + .free = dma_direct_free_coherent, .map_sg = swiotlb_map_sg_attrs, .unmap_sg = swiotlb_unmap_sg_attrs, .dma_supported = swiotlb_dma_supported, diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 7d0233c12ee3..b1ec983dcec8 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -26,7 +26,8 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { void *ret; #ifdef CONFIG_NOT_COHERENT_CACHE @@ -54,7 +55,8 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size, } void dma_direct_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { #ifdef CONFIG_NOT_COHERENT_CACHE __dma_free_coherent(size, vaddr); @@ -150,8 +152,8 @@ static inline void dma_direct_sync_single(struct device *dev, #endif struct dma_map_ops dma_direct_ops = { - .alloc_coherent = dma_direct_alloc_coherent, - .free_coherent = dma_direct_free_coherent, + .alloc = dma_direct_alloc_coherent, + .free = dma_direct_free_coherent, .map_sg = dma_direct_map_sg, .unmap_sg = dma_direct_unmap_sg, .dma_supported = dma_direct_dma_supported, diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index cfe7a38708c3..18bdf74fa164 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -40,6 +40,8 @@ #include <asm/prom.h> #include <asm/rtas.h> #include <asm/fadump.h> +#include <asm/debug.h> +#include <asm/setup.h> static struct fw_dump fw_dump; static struct fadump_mem_struct fdm; diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 79bb282e6501..b01d14eeca8d 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -65,7 +65,8 @@ static struct of_device_id __initdata ibmebus_matches[] = { static void *ibmebus_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t flag) + gfp_t flag, + struct dma_attrs *attrs) { void *mem; @@ -77,7 +78,8 @@ static void *ibmebus_alloc_coherent(struct device *dev, static void ibmebus_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle) + dma_addr_t dma_handle, + struct dma_attrs *attrs) { kfree(vaddr); } @@ -136,8 +138,8 @@ static u64 ibmebus_dma_get_required_mask(struct device *dev) } static struct dma_map_ops ibmebus_dma_ops = { - .alloc_coherent = ibmebus_alloc_coherent, - .free_coherent = ibmebus_free_coherent, + .alloc = ibmebus_alloc_coherent, + .free = ibmebus_free_coherent, .map_sg = ibmebus_map_sg, .unmap_sg = ibmebus_unmap_sg, .dma_supported = ibmebus_dma_supported, diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index 76a6e40a6f7c..782bd0a3c2f0 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -24,6 +24,7 @@ #include <asm/current.h> #include <asm/processor.h> #include <asm/machdep.h> +#include <asm/debug.h> /* * This table contains the mapping between PowerPC hardware trap types, and diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index b2f7c8480bf6..a3a99901c8ec 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -482,7 +482,8 @@ static void vio_cmo_balance(struct work_struct *work) } static void *vio_dma_iommu_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { struct vio_dev *viodev = to_vio_dev(dev); void *ret; @@ -492,7 +493,7 @@ static void *vio_dma_iommu_alloc_coherent(struct device *dev, size_t size, return NULL; } - ret = dma_iommu_ops.alloc_coherent(dev, size, dma_handle, flag); + ret = dma_iommu_ops.alloc(dev, size, dma_handle, flag, attrs); if (unlikely(ret == NULL)) { vio_cmo_dealloc(viodev, roundup(size, PAGE_SIZE)); atomic_inc(&viodev->cmo.allocs_failed); @@ -502,11 +503,12 @@ static void *vio_dma_iommu_alloc_coherent(struct device *dev, size_t size, } static void vio_dma_iommu_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct vio_dev *viodev = to_vio_dev(dev); - dma_iommu_ops.free_coherent(dev, size, vaddr, dma_handle); + dma_iommu_ops.free(dev, size, vaddr, dma_handle, attrs); vio_cmo_dealloc(viodev, roundup(size, PAGE_SIZE)); } @@ -607,8 +609,8 @@ static u64 vio_dma_get_required_mask(struct device *dev) } struct dma_map_ops vio_dma_mapping_ops = { - .alloc_coherent = vio_dma_iommu_alloc_coherent, - .free_coherent = vio_dma_iommu_free_coherent, + .alloc = vio_dma_iommu_alloc_coherent, + .free = vio_dma_iommu_free_coherent, .map_sg = vio_dma_iommu_map_sg, .unmap_sg = vio_dma_iommu_unmap_sg, .map_page = vio_dma_iommu_map_page, diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index f1950d131827..135663a3e4fc 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -21,6 +21,7 @@ #include <asm/disassemble.h> #include <asm/kvm_book3s.h> #include <asm/reg.h> +#include <asm/switch_to.h> #define OP_19_XOP_RFID 18 #define OP_19_XOP_RFI 50 diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index bed1279aa6a8..e1b60f56f2a1 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -173,9 +173,9 @@ static void __init kvm_linear_init_one(ulong size, int count, int type) static struct kvmppc_linear_info *kvm_alloc_linear(int type) { - struct kvmppc_linear_info *ri; + struct kvmppc_linear_info *ri, *ret; - ri = NULL; + ret = NULL; spin_lock(&linear_lock); list_for_each_entry(ri, &free_linears, list) { if (ri->type != type) @@ -183,11 +183,12 @@ static struct kvmppc_linear_info *kvm_alloc_linear(int type) list_del(&ri->list); atomic_inc(&ri->use_count); + memset(ri->base_virt, 0, ri->npages << PAGE_SHIFT); + ret = ri; break; } spin_unlock(&linear_lock); - memset(ri->base_virt, 0, ri->npages << PAGE_SHIFT); - return ri; + return ret; } static void kvm_release_linear(struct kvmppc_linear_info *ri) diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 3f7b674dd4bf..d3fb4df02c41 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -46,8 +46,10 @@ _GLOBAL(__kvmppc_vcore_entry) /* Save host state to the stack */ stdu r1, -SWITCH_FRAME_SIZE(r1) - /* Save non-volatile registers (r14 - r31) */ + /* Save non-volatile registers (r14 - r31) and CR */ SAVE_NVGPRS(r1) + mfcr r3 + std r3, _CCR(r1) /* Save host DSCR */ BEGIN_FTR_SECTION @@ -157,8 +159,10 @@ kvmppc_handler_highmem: * R13 = PACA */ - /* Restore non-volatile host registers (r14 - r31) */ + /* Restore non-volatile host registers (r14 - r31) and CR */ REST_NVGPRS(r1) + ld r4, _CCR(r1) + mtcr r4 addi r1, r1, SWITCH_FRAME_SIZE ld r0, PPC_LR_STKOFF(r1) diff --git a/arch/powerpc/kvm/book3s_interrupts.S b/arch/powerpc/kvm/book3s_interrupts.S index 0a8515a5c042..3e35383bdb21 100644 --- a/arch/powerpc/kvm/book3s_interrupts.S +++ b/arch/powerpc/kvm/book3s_interrupts.S @@ -84,6 +84,10 @@ kvm_start_entry: /* Save non-volatile registers (r14 - r31) */ SAVE_NVGPRS(r1) + /* Save CR */ + mfcr r14 + stw r14, _CCR(r1) + /* Save LR */ PPC_STL r0, _LINK(r1) @@ -165,6 +169,9 @@ kvm_exit_loop: PPC_LL r4, _LINK(r1) mtlr r4 + lwz r14, _CCR(r1) + mtcr r14 + /* Restore non-volatile host registers (r14 - r31) */ REST_NVGPRS(r1) diff --git a/arch/powerpc/kvm/book3s_paired_singles.c b/arch/powerpc/kvm/book3s_paired_singles.c index e70ef2d86431..a59a25a13218 100644 --- a/arch/powerpc/kvm/book3s_paired_singles.c +++ b/arch/powerpc/kvm/book3s_paired_singles.c @@ -24,6 +24,7 @@ #include <asm/kvm_fpu.h> #include <asm/reg.h> #include <asm/cacheflush.h> +#include <asm/switch_to.h> #include <linux/vmalloc.h> /* #define DEBUG */ diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 7340e1090b77..7759053d391b 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -33,6 +33,7 @@ #include <asm/kvm_ppc.h> #include <asm/kvm_book3s.h> #include <asm/mmu_context.h> +#include <asm/switch_to.h> #include <linux/gfp.h> #include <linux/sched.h> #include <linux/vmalloc.h> @@ -776,6 +777,7 @@ program_interrupt: } } + preempt_disable(); if (!(r & RESUME_HOST)) { /* To avoid clobbering exit_reason, only check for signals if * we aren't already exiting to userspace for some other @@ -797,8 +799,6 @@ program_interrupt: run->exit_reason = KVM_EXIT_INTR; r = -EINTR; } else { - preempt_disable(); - /* In case an interrupt came in that was triggered * from userspace (like DEC), we need to check what * to inject now! */ @@ -880,7 +880,8 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) switch (reg->id) { case KVM_REG_PPC_HIOR: - r = put_user(to_book3s(vcpu)->hior, (u64 __user *)reg->addr); + r = copy_to_user((u64 __user *)(long)reg->addr, + &to_book3s(vcpu)->hior, sizeof(u64)); break; default: break; @@ -895,7 +896,8 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) switch (reg->id) { case KVM_REG_PPC_HIOR: - r = get_user(to_book3s(vcpu)->hior, (u64 __user *)reg->addr); + r = copy_from_user(&to_book3s(vcpu)->hior, + (u64 __user *)(long)reg->addr, sizeof(u64)); if (!r) to_book3s(vcpu)->hior_explicit = true; break; diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 10d8ef602e5c..c8c4b878795a 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -34,7 +34,8 @@ /* r2 is special: it holds 'current', and it made nonvolatile in the * kernel with the -ffixed-r2 gcc option. */ #define HOST_R2 12 -#define HOST_NV_GPRS 16 +#define HOST_CR 16 +#define HOST_NV_GPRS 20 #define HOST_NV_GPR(n) (HOST_NV_GPRS + ((n - 14) * 4)) #define HOST_MIN_STACK_SIZE (HOST_NV_GPR(31) + 4) #define HOST_STACK_SIZE (((HOST_MIN_STACK_SIZE + 15) / 16) * 16) /* Align. */ @@ -296,8 +297,10 @@ heavyweight_exit: /* Return to kvm_vcpu_run(). */ lwz r4, HOST_STACK_LR(r1) + lwz r5, HOST_CR(r1) addi r1, r1, HOST_STACK_SIZE mtlr r4 + mtcr r5 /* r3 still contains the return code from kvmppc_handle_exit(). */ blr @@ -314,6 +317,8 @@ _GLOBAL(__kvmppc_vcpu_run) stw r3, HOST_RUN(r1) mflr r3 stw r3, HOST_STACK_LR(r1) + mfcr r5 + stw r5, HOST_CR(r1) /* Save host non-volatile register state to stack. */ stw r14, HOST_NV_GPR(r14)(r1) diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c index bfb11e01133e..e2d401ad8fbb 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c @@ -93,7 +93,7 @@ struct mpc52xx_pci { }; /* MPC5200 device tree match tables */ -const struct of_device_id mpc52xx_pci_ids[] __initdata = { +const struct of_device_id mpc52xx_pci_ids[] __initconst = { { .type = "pci", .compatible = "fsl,mpc5200-pci", }, { .type = "pci", .compatible = "mpc5200-pci", }, {} diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 3754ddc00af7..9a6f04406e0d 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -270,7 +270,7 @@ static void __init mpc85xx_mds_qe_init(void) if (machine_is(p1021_mds)) { - struct ccsr_guts_85xx __iomem *guts; + struct ccsr_guts __iomem *guts; np = of_find_node_by_name(NULL, "global-utilities"); if (np) { diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index 9848f9e39853..313fce4f5574 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -127,7 +127,7 @@ static void __init mpc85xx_rdb_setup_arch(void) #if defined(CONFIG_UCC_GETH) || defined(CONFIG_SERIAL_QE) if (machine_is(p1025_rdb)) { - struct ccsr_guts_85xx __iomem *guts; + struct ccsr_guts __iomem *guts; np = of_find_node_by_name(NULL, "global-utilities"); if (np) { diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index 0fe88e39945e..e74b7cde9aee 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -150,7 +150,7 @@ static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port) { struct device_node *guts_node; struct device_node *indirect_node = NULL; - struct ccsr_guts_85xx __iomem *guts; + struct ccsr_guts __iomem *guts; u8 __iomem *lbc_lcs0_ba = NULL; u8 __iomem *lbc_lcs1_ba = NULL; u8 b; @@ -269,7 +269,7 @@ exit: void p1022ds_set_pixel_clock(unsigned int pixclock) { struct device_node *guts_np = NULL; - struct ccsr_guts_85xx __iomem *guts; + struct ccsr_guts __iomem *guts; unsigned long freq; u64 temp; u32 pxclk; diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index bbc615206c67..62cd3c555bfb 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -225,7 +225,7 @@ void mpc8610hpcd_set_monitor_port(enum fsl_diu_monitor_port port) void mpc8610hpcd_set_pixel_clock(unsigned int pixclock) { struct device_node *guts_np = NULL; - struct ccsr_guts_86xx __iomem *guts; + struct ccsr_guts __iomem *guts; unsigned long freq; u64 temp; u32 pxclk; diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index ae9fc7bc17d6..b9f509a34c01 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -564,7 +564,8 @@ static struct iommu_table *cell_get_iommu_table(struct device *dev) /* A coherent allocation implies strong ordering */ static void *dma_fixed_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { if (iommu_fixed_is_weak) return iommu_alloc_coherent(dev, cell_get_iommu_table(dev), @@ -572,18 +573,19 @@ static void *dma_fixed_alloc_coherent(struct device *dev, size_t size, device_to_mask(dev), flag, dev_to_node(dev)); else - return dma_direct_ops.alloc_coherent(dev, size, dma_handle, - flag); + return dma_direct_ops.alloc(dev, size, dma_handle, flag, + attrs); } static void dma_fixed_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { if (iommu_fixed_is_weak) iommu_free_coherent(cell_get_iommu_table(dev), size, vaddr, dma_handle); else - dma_direct_ops.free_coherent(dev, size, vaddr, dma_handle); + dma_direct_ops.free(dev, size, vaddr, dma_handle, attrs); } static dma_addr_t dma_fixed_map_page(struct device *dev, struct page *page, @@ -642,8 +644,8 @@ static int dma_fixed_dma_supported(struct device *dev, u64 mask) static int dma_set_mask_and_switch(struct device *dev, u64 dma_mask); struct dma_map_ops dma_iommu_fixed_ops = { - .alloc_coherent = dma_fixed_alloc_coherent, - .free_coherent = dma_fixed_free_coherent, + .alloc = dma_fixed_alloc_coherent, + .free = dma_fixed_free_coherent, .map_sg = dma_fixed_map_sg, .unmap_sg = dma_fixed_unmap_sg, .dma_supported = dma_fixed_dma_supported, diff --git a/arch/powerpc/platforms/cell/qpace_setup.c b/arch/powerpc/platforms/cell/qpace_setup.c index 7f9b6742f8b6..6e3409d590ac 100644 --- a/arch/powerpc/platforms/cell/qpace_setup.c +++ b/arch/powerpc/platforms/cell/qpace_setup.c @@ -61,7 +61,7 @@ static void qpace_progress(char *s, unsigned short hex) printk("*** %04x : %s\n", hex, s ? s : ""); } -static const struct of_device_id qpace_bus_ids[] __initdata = { +static const struct of_device_id qpace_bus_ids[] __initconst = { { .type = "soc", }, { .compatible = "soc", }, { .type = "spider", }, diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index fa3e294fd343..4ab087671185 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -140,7 +140,7 @@ static int __devinit cell_setup_phb(struct pci_controller *phb) return 0; } -static const struct of_device_id cell_bus_ids[] __initdata = { +static const struct of_device_id cell_bus_ids[] __initconst = { { .type = "soc", }, { .compatible = "soc", }, { .type = "spider", }, diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index 880eb9ce22c5..5606fe36faf2 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -515,7 +515,8 @@ core_initcall(ps3_system_bus_init); * to the dma address (mapping) of the first page. */ static void * ps3_alloc_coherent(struct device *_dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { int result; struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); @@ -552,7 +553,7 @@ clean_none: } static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr, - dma_addr_t dma_handle) + dma_addr_t dma_handle, struct dma_attrs *attrs) { struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); @@ -701,8 +702,8 @@ static u64 ps3_dma_get_required_mask(struct device *_dev) } static struct dma_map_ops ps3_sb_dma_ops = { - .alloc_coherent = ps3_alloc_coherent, - .free_coherent = ps3_free_coherent, + .alloc = ps3_alloc_coherent, + .free = ps3_free_coherent, .map_sg = ps3_sb_map_sg, .unmap_sg = ps3_sb_unmap_sg, .dma_supported = ps3_dma_supported, @@ -712,8 +713,8 @@ static struct dma_map_ops ps3_sb_dma_ops = { }; static struct dma_map_ops ps3_ioc0_dma_ops = { - .alloc_coherent = ps3_alloc_coherent, - .free_coherent = ps3_free_coherent, + .alloc = ps3_alloc_coherent, + .free = ps3_free_coherent, .map_sg = ps3_ioc0_map_sg, .unmap_sg = ps3_ioc0_unmap_sg, .dma_supported = ps3_dma_supported, diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c index 4a4752565856..4cb375c0f8d1 100644 --- a/arch/powerpc/platforms/pseries/eeh_event.c +++ b/arch/powerpc/platforms/pseries/eeh_event.c @@ -59,8 +59,7 @@ static int eeh_event_handler(void * dummy) struct eeh_event *event; struct eeh_dev *edev; - daemonize("eehd"); - set_current_state(TASK_INTERRUPTIBLE); + set_task_comm(current, "eehd"); spin_lock_irqsave(&eeh_eventlist_lock, flags); event = NULL; @@ -83,6 +82,7 @@ static int eeh_event_handler(void * dummy) printk(KERN_INFO "EEH: Detected PCI bus error on device %s\n", eeh_pci_name(edev->pdev)); + set_current_state(TASK_INTERRUPTIBLE); /* Don't add to load average */ edev = handle_eeh_events(event); eeh_clear_slot(eeh_dev_to_of_node(edev), EEH_MODE_RECOVERING); diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index ceb09cbd2329..818e763f8265 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2006-2010 Freescale Semicondutor, Inc. All rights reserved. * * Authors: Shlomi Gridish <gridish@freescale.com> * Li Yang <leoli@freescale.com> @@ -266,7 +266,19 @@ EXPORT_SYMBOL(qe_clock_source); static void qe_snums_init(void) { int i; - static const u8 snum_init[] = { + static const u8 snum_init_76[] = { + 0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D, + 0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89, + 0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9, 0xC8, 0xC9, + 0xD8, 0xD9, 0xE8, 0xE9, 0x44, 0x45, 0x4C, 0x4D, + 0x54, 0x55, 0x5C, 0x5D, 0x64, 0x65, 0x6C, 0x6D, + 0x74, 0x75, 0x7C, 0x7D, 0x84, 0x85, 0x8C, 0x8D, + 0x94, 0x95, 0x9C, 0x9D, 0xA4, 0xA5, 0xAC, 0xAD, + 0xB4, 0xB5, 0xBC, 0xBD, 0xC4, 0xC5, 0xCC, 0xCD, + 0xD4, 0xD5, 0xDC, 0xDD, 0xE4, 0xE5, 0xEC, 0xED, + 0xF4, 0xF5, 0xFC, 0xFD, + }; + static const u8 snum_init_46[] = { 0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D, 0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89, 0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9, 0xC8, 0xC9, @@ -274,9 +286,15 @@ static void qe_snums_init(void) 0x28, 0x29, 0x38, 0x39, 0x48, 0x49, 0x58, 0x59, 0x68, 0x69, 0x78, 0x79, 0x80, 0x81, }; + static const u8 *snum_init; qe_num_of_snum = qe_get_num_of_snums(); + if (qe_num_of_snum == 76) + snum_init = snum_init_76; + else + snum_init = snum_init_46; + for (i = 0; i < qe_num_of_snum; i++) { snums[i].num = snum_init[i]; snums[i].state = QE_SNUM_STATE_FREE; diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index c1d5a820b1aa..5f2bb4242c0f 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -61,6 +61,7 @@ config DUMP_CODE config DWARF_UNWINDER bool "Enable the DWARF unwinder for stacktraces" select FRAME_POINTER + depends on SUPERH32 default n help Enabling this option will make stacktraces more accurate, at diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c index d879848f3cdd..d0d6221d7c2e 100644 --- a/arch/sh/boards/board-sh7785lcr.c +++ b/arch/sh/boards/board-sh7785lcr.c @@ -28,6 +28,7 @@ #include <cpu/sh7785.h> #include <asm/heartbeat.h> #include <asm/clock.h> +#include <asm/bl_bit.h> /* * NOTE: This board has 2 physical memory maps. diff --git a/arch/sh/boards/mach-hp6xx/pm.c b/arch/sh/boards/mach-hp6xx/pm.c index adc9b4bba828..8b50cf763c06 100644 --- a/arch/sh/boards/mach-hp6xx/pm.c +++ b/arch/sh/boards/mach-hp6xx/pm.c @@ -14,6 +14,7 @@ #include <linux/gfp.h> #include <asm/io.h> #include <asm/hd64461.h> +#include <asm/bl_bit.h> #include <mach/hp6xx.h> #include <cpu/dac.h> #include <asm/freq.h> diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c index b1cb2715ad6e..67ee95603813 100644 --- a/arch/sh/drivers/dma/dma-sysfs.c +++ b/arch/sh/drivers/dma/dma-sysfs.c @@ -54,7 +54,7 @@ static int __init dma_subsys_init(void) if (unlikely(ret)) return ret; - return device_create_file(dma_subsys.dev_root, &dev_attr_devices.attr); + return device_create_file(dma_subsys.dev_root, &dev_attr_devices); } postcore_initcall(dma_subsys_init); diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h index 1a73c3e759a7..8bd965e00a15 100644 --- a/arch/sh/include/asm/dma-mapping.h +++ b/arch/sh/include/asm/dma-mapping.h @@ -52,25 +52,31 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return dma_addr == 0; } -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); void *memory; if (dma_alloc_from_coherent(dev, size, dma_handle, &memory)) return memory; - if (!ops->alloc_coherent) + if (!ops->alloc) return NULL; - memory = ops->alloc_coherent(dev, size, dma_handle, gfp); + memory = ops->alloc(dev, size, dma_handle, gfp, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, memory); return memory; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); @@ -78,14 +84,16 @@ static inline void dma_free_coherent(struct device *dev, size_t size, return; debug_dma_free_coherent(dev, size, vaddr, dma_handle); - if (ops->free_coherent) - ops->free_coherent(dev, size, vaddr, dma_handle); + if (ops->free) + ops->free(dev, size, vaddr, dma_handle, attrs); } /* arch/sh/mm/consistent.c */ extern void *dma_generic_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addr, gfp_t flag); + dma_addr_t *dma_addr, gfp_t flag, + struct dma_attrs *attrs); extern void dma_generic_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs); #endif /* __ASM_SH_DMA_MAPPING_H */ diff --git a/arch/sh/kernel/cpu/fpu.c b/arch/sh/kernel/cpu/fpu.c index 7f1b70cace35..f8f7af51c128 100644 --- a/arch/sh/kernel/cpu/fpu.c +++ b/arch/sh/kernel/cpu/fpu.c @@ -2,6 +2,7 @@ #include <linux/slab.h> #include <asm/processor.h> #include <asm/fpu.h> +#include <asm/traps.h> int init_fpu(struct task_struct *tsk) { diff --git a/arch/sh/kernel/cpu/sh2a/fpu.c b/arch/sh/kernel/cpu/sh2a/fpu.c index 488d24e0cdf0..98bbaa447c93 100644 --- a/arch/sh/kernel/cpu/sh2a/fpu.c +++ b/arch/sh/kernel/cpu/sh2a/fpu.c @@ -14,6 +14,7 @@ #include <asm/processor.h> #include <asm/io.h> #include <asm/fpu.h> +#include <asm/traps.h> /* The PR (precision) bit in the FP Status Register must be clear when * an frchg instruction is executed, otherwise the instruction is undefined. diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index e74cd6c0f10d..69ab4d3c8d41 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -16,6 +16,7 @@ #include <cpu/fpu.h> #include <asm/processor.h> #include <asm/fpu.h> +#include <asm/traps.h> /* The PR (precision) bit in the FP Status Register must be clear when * an frchg instruction is executed, otherwise the instruction is undefined. diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c index 5853989586ed..04ab5aeaf920 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c @@ -113,7 +113,7 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]), /* MSTP32 clocks */ - CLKDEV_CON_ID("sdhi0", &mstp_clks[MSTP004]), + CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP004]), CLKDEV_CON_ID("riic0", &mstp_clks[MSTP000]), CLKDEV_CON_ID("riic1", &mstp_clks[MSTP000]), CLKDEV_CON_ID("riic2", &mstp_clks[MSTP000]), diff --git a/arch/sh/kernel/cpu/shmobile/pm.c b/arch/sh/kernel/cpu/shmobile/pm.c index a6f95ae4aae7..08d27fac8d08 100644 --- a/arch/sh/kernel/cpu/shmobile/pm.c +++ b/arch/sh/kernel/cpu/shmobile/pm.c @@ -16,6 +16,7 @@ #include <asm/suspend.h> #include <asm/uaccess.h> #include <asm/cacheflush.h> +#include <asm/bl_bit.h> /* * Notifier lists for pre/post sleep notification diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c index 3c55b87f8b63..5b0bfcda6d0b 100644 --- a/arch/sh/kernel/dma-nommu.c +++ b/arch/sh/kernel/dma-nommu.c @@ -63,8 +63,8 @@ static void nommu_sync_sg(struct device *dev, struct scatterlist *sg, #endif struct dma_map_ops nommu_dma_ops = { - .alloc_coherent = dma_generic_alloc_coherent, - .free_coherent = dma_generic_free_coherent, + .alloc = dma_generic_alloc_coherent, + .free = dma_generic_free_coherent, .map_page = nommu_map_page, .map_sg = nommu_map_sg, #ifdef CONFIG_DMA_NONCOHERENT diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index 64852ecc6881..ee226e20c20c 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -17,8 +17,8 @@ #include <linux/irqflags.h> #include <linux/smp.h> #include <linux/cpuidle.h> -#include <asm/pgalloc.h> #include <linux/atomic.h> +#include <asm/pgalloc.h> #include <asm/smp.h> #include <asm/bl_bit.h> diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c index efb6d398dec3..b117781bfea2 100644 --- a/arch/sh/kernel/kgdb.c +++ b/arch/sh/kernel/kgdb.c @@ -14,6 +14,7 @@ #include <linux/irq.h> #include <linux/io.h> #include <asm/cacheflush.h> +#include <asm/traps.h> /* Macros for single step instruction identification */ #define OPCODE_BT(op) (((op) & 0xff00) == 0x8900) diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index f72e3a951588..94273aaf78c1 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -26,6 +26,7 @@ #include <asm/mmu_context.h> #include <asm/fpu.h> #include <asm/syscalls.h> +#include <asm/switch_to.h> void show_regs(struct pt_regs * regs) { diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index a17a14d32340..eaebdf6a5c77 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -27,6 +27,7 @@ #include <asm/smp.h> #include <asm/cacheflush.h> #include <asm/sections.h> +#include <asm/setup.h> int __cpu_number_map[NR_CPUS]; /* Map physical to logical */ int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */ diff --git a/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S b/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S index 555a64f124ca..23af17584054 100644 --- a/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S +++ b/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S @@ -34,6 +34,41 @@ __kernel_rt_sigreturn: 1: .short __NR_rt_sigreturn .LEND_rt_sigreturn: .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn + .previous .section .eh_frame,"a",@progbits +.LCIE1: + .ualong .LCIE1_end - .LCIE1_start +.LCIE1_start: + .ualong 0 /* CIE ID */ + .byte 0x1 /* Version number */ + .string "zRS" /* NUL-terminated augmentation string */ + .uleb128 0x1 /* Code alignment factor */ + .sleb128 -4 /* Data alignment factor */ + .byte 0x11 /* Return address register column */ + .uleb128 0x1 /* Augmentation length and data */ + .byte 0x1b /* DW_EH_PE_pcrel | DW_EH_PE_sdata4. */ + .byte 0xc, 0xf, 0x0 /* DW_CFA_def_cfa: r15 ofs 0 */ + + .align 2 +.LCIE1_end: + + .ualong .LFDE0_end-.LFDE0_start /* Length FDE0 */ +.LFDE0_start: + .ualong .LFDE0_start-.LCIE1 /* CIE pointer */ + .ualong .LSTART_sigreturn-. /* PC-relative start address */ + .ualong .LEND_sigreturn-.LSTART_sigreturn + .uleb128 0 /* Augmentation */ + .align 2 +.LFDE0_end: + + .ualong .LFDE1_end-.LFDE1_start /* Length FDE1 */ +.LFDE1_start: + .ualong .LFDE1_start-.LCIE1 /* CIE pointer */ + .ualong .LSTART_rt_sigreturn-. /* PC-relative start address */ + .ualong .LEND_rt_sigreturn-.LSTART_rt_sigreturn + .uleb128 0 /* Augmentation */ + .align 2 +.LFDE1_end: + .previous diff --git a/arch/sh/kernel/vsyscall/vsyscall-trapa.S b/arch/sh/kernel/vsyscall/vsyscall-trapa.S index 3e70f851cdc6..0eb74d00690a 100644 --- a/arch/sh/kernel/vsyscall/vsyscall-trapa.S +++ b/arch/sh/kernel/vsyscall/vsyscall-trapa.S @@ -3,37 +3,34 @@ .type __kernel_vsyscall,@function __kernel_vsyscall: .LSTART_vsyscall: - /* XXX: We'll have to do something here once we opt to use the vDSO - * page for something other than the signal trampoline.. as well as - * fill out .eh_frame -- PFM. */ + trapa #0x10 + nop .LEND_vsyscall: .size __kernel_vsyscall,.-.LSTART_vsyscall + .previous .section .eh_frame,"a",@progbits - .previous .LCIE: .ualong .LCIE_end - .LCIE_start .LCIE_start: .ualong 0 /* CIE ID */ .byte 0x1 /* Version number */ - .string "zRS" /* NUL-terminated augmentation string */ + .string "zR" /* NUL-terminated augmentation string */ .uleb128 0x1 /* Code alignment factor */ .sleb128 -4 /* Data alignment factor */ .byte 0x11 /* Return address register column */ - /* Augmentation length and data (none) */ - .byte 0xc /* DW_CFA_def_cfa */ - .uleb128 0xf /* r15 */ - .uleb128 0x0 /* offset 0 */ - + .uleb128 0x1 /* Augmentation length and data */ + .byte 0x1b /* DW_EH_PE_pcrel | DW_EH_PE_sdata4. */ + .byte 0xc,0xf,0x0 /* DW_CFA_def_cfa: r15 ofs 0 */ .align 2 .LCIE_end: .ualong .LFDE_end-.LFDE_start /* Length FDE */ .LFDE_start: - .ualong .LCIE /* CIE pointer */ - .ualong .LSTART_vsyscall-. /* start address */ + .ualong .LFDE_start-.LCIE /* CIE pointer */ + .ualong .LSTART_vsyscall-. /* PC-relative start address */ .ualong .LEND_vsyscall-.LSTART_vsyscall - .uleb128 0 + .uleb128 0 /* Augmentation */ .align 2 .LFDE_end: .previous diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index 112fea12522a..0e529285b28d 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -18,6 +18,7 @@ #include <linux/highmem.h> #include <asm/pgtable.h> #include <asm/mmu_context.h> +#include <asm/cache_insns.h> #include <asm/cacheflush.h> /* diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index f251b5f27652..b81d9dbf9fef 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -33,7 +33,8 @@ static int __init dma_init(void) fs_initcall(dma_init); void *dma_generic_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { void *ret, *ret_nocache; int order = get_order(size); @@ -64,7 +65,8 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size, } void dma_generic_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { int order = get_order(size); unsigned long pfn = dma_handle >> PAGE_SHIFT; diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c index 75a17f5bfa14..0b85dd9dd3a7 100644 --- a/arch/sh/mm/flush-sh4.c +++ b/arch/sh/mm/flush-sh4.c @@ -1,5 +1,6 @@ #include <linux/mm.h> #include <asm/mmu_context.h> +#include <asm/cache_insns.h> #include <asm/cacheflush.h> #include <asm/traps.h> diff --git a/arch/sh/mm/sram.c b/arch/sh/mm/sram.c index bc156ec4545e..2d8fa718d55e 100644 --- a/arch/sh/mm/sram.c +++ b/arch/sh/mm/sram.c @@ -9,6 +9,7 @@ */ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/errno.h> #include <asm/sram.h> /* diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 8c0e4f7bb204..48a7c65731d2 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -26,24 +26,30 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) #include <asm-generic/dma-mapping-common.h> -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); void *cpu_addr; - cpu_addr = ops->alloc_coherent(dev, size, dma_handle, flag); + cpu_addr = ops->alloc(dev, size, dma_handle, flag, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, cpu_addr); return cpu_addr; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); - ops->free_coherent(dev, size, cpu_addr, dma_handle); + ops->free(dev, size, cpu_addr, dma_handle, attrs); } static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 6fa2f7980e6b..76e4a52aa85e 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -12,8 +12,6 @@ * the SpitFire page tables. */ -#include <asm-generic/pgtable-nopud.h> - #include <linux/compiler.h> #include <linux/const.h> #include <asm/types.h> @@ -22,6 +20,8 @@ #include <asm/page.h> #include <asm/processor.h> +#include <asm-generic/pgtable-nopud.h> + /* The kernel image occupies 0x4000000 to 0x6000000 (4MB --> 96MB). * The page copy blockops can use 0x6000000 to 0x8000000. * The TSB is mapped in the 0x8000000 to 0xa000000 range. diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 4643d68713fa..070ed141aac7 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -280,7 +280,8 @@ static inline void iommu_free_ctx(struct iommu *iommu, int ctx) } static void *dma_4u_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addrp, gfp_t gfp) + dma_addr_t *dma_addrp, gfp_t gfp, + struct dma_attrs *attrs) { unsigned long flags, order, first_page; struct iommu *iommu; @@ -330,7 +331,8 @@ static void *dma_4u_alloc_coherent(struct device *dev, size_t size, } static void dma_4u_free_coherent(struct device *dev, size_t size, - void *cpu, dma_addr_t dvma) + void *cpu, dma_addr_t dvma, + struct dma_attrs *attrs) { struct iommu *iommu; unsigned long flags, order, npages; @@ -825,8 +827,8 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev, } static struct dma_map_ops sun4u_dma_ops = { - .alloc_coherent = dma_4u_alloc_coherent, - .free_coherent = dma_4u_free_coherent, + .alloc = dma_4u_alloc_coherent, + .free = dma_4u_free_coherent, .map_page = dma_4u_map_page, .unmap_page = dma_4u_unmap_page, .map_sg = dma_4u_map_sg, diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index d0479e2163fa..21bd73943f7f 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -261,7 +261,8 @@ EXPORT_SYMBOL(sbus_set_sbus64); * CPU may access them without any explicit flushing. */ static void *sbus_alloc_coherent(struct device *dev, size_t len, - dma_addr_t *dma_addrp, gfp_t gfp) + dma_addr_t *dma_addrp, gfp_t gfp, + struct dma_attrs *attrs) { struct platform_device *op = to_platform_device(dev); unsigned long len_total = PAGE_ALIGN(len); @@ -315,7 +316,7 @@ err_nopages: } static void sbus_free_coherent(struct device *dev, size_t n, void *p, - dma_addr_t ba) + dma_addr_t ba, struct dma_attrs *attrs) { struct resource *res; struct page *pgv; @@ -407,8 +408,8 @@ static void sbus_sync_sg_for_device(struct device *dev, struct scatterlist *sg, } struct dma_map_ops sbus_dma_ops = { - .alloc_coherent = sbus_alloc_coherent, - .free_coherent = sbus_free_coherent, + .alloc = sbus_alloc_coherent, + .free = sbus_free_coherent, .map_page = sbus_map_page, .unmap_page = sbus_unmap_page, .map_sg = sbus_map_sg, @@ -436,7 +437,8 @@ arch_initcall(sparc_register_ioport); * hwdev should be valid struct pci_dev pointer for PCI devices. */ static void *pci32_alloc_coherent(struct device *dev, size_t len, - dma_addr_t *pba, gfp_t gfp) + dma_addr_t *pba, gfp_t gfp, + struct dma_attrs *attrs) { unsigned long len_total = PAGE_ALIGN(len); void *va; @@ -489,7 +491,7 @@ err_nopages: * past this call are illegal. */ static void pci32_free_coherent(struct device *dev, size_t n, void *p, - dma_addr_t ba) + dma_addr_t ba, struct dma_attrs *attrs) { struct resource *res; @@ -645,8 +647,8 @@ static void pci32_sync_sg_for_device(struct device *device, struct scatterlist * } struct dma_map_ops pci32_dma_ops = { - .alloc_coherent = pci32_alloc_coherent, - .free_coherent = pci32_free_coherent, + .alloc = pci32_alloc_coherent, + .free = pci32_free_coherent, .map_page = pci32_map_page, .unmap_page = pci32_unmap_page, .map_sg = pci32_map_sg, diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index a19c8a063683..35e43673c453 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -104,11 +104,11 @@ static int irq_choose_cpu(const struct cpumask *affinity) { cpumask_t mask; - cpus_and(mask, cpu_online_map, *affinity); - if (cpus_equal(mask, cpu_online_map) || cpus_empty(mask)) + cpumask_and(&mask, cpu_online_mask, affinity); + if (cpumask_equal(&mask, cpu_online_mask) || cpumask_empty(&mask)) return boot_cpu_id; else - return first_cpu(mask); + return cpumask_first(&mask); } #else #define irq_choose_cpu(affinity) boot_cpu_id diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index af5755d20fbe..7661e84a05a0 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -128,7 +128,8 @@ static inline long iommu_batch_end(void) } static void *dma_4v_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addrp, gfp_t gfp) + dma_addr_t *dma_addrp, gfp_t gfp, + struct dma_attrs *attrs) { unsigned long flags, order, first_page, npages, n; struct iommu *iommu; @@ -198,7 +199,7 @@ range_alloc_fail: } static void dma_4v_free_coherent(struct device *dev, size_t size, void *cpu, - dma_addr_t dvma) + dma_addr_t dvma, struct dma_attrs *attrs) { struct pci_pbm_info *pbm; struct iommu *iommu; @@ -527,8 +528,8 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, } static struct dma_map_ops sun4v_dma_ops = { - .alloc_coherent = dma_4v_alloc_coherent, - .free_coherent = dma_4v_free_coherent, + .alloc = dma_4v_alloc_coherent, + .free = dma_4v_free_coherent, .map_page = dma_4v_map_page, .unmap_page = dma_4v_unmap_page, .map_sg = dma_4v_map_sg, diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index 11270ca22c0a..96033e2d6845 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -12,7 +12,7 @@ config TILE select GENERIC_PENDING_IRQ if SMP select GENERIC_IRQ_SHOW select SYS_HYPERVISOR - select ARCH_HAVE_NMI_SAFE_CMPXCHG if !M386 + select ARCH_HAVE_NMI_SAFE_CMPXCHG # FIXME: investigate whether we need/want these options. # select HAVE_IOREMAP_PROT @@ -69,6 +69,9 @@ config ARCH_PHYS_ADDR_T_64BIT config ARCH_DMA_ADDR_T_64BIT def_bool y +config NEED_DMA_MAP_STATE + def_bool y + config LOCKDEP_SUPPORT def_bool y @@ -118,7 +121,7 @@ config 64BIT config ARCH_DEFCONFIG string - default "arch/tile/configs/tile_defconfig" if !TILEGX + default "arch/tile/configs/tilepro_defconfig" if !TILEGX default "arch/tile/configs/tilegx_defconfig" if TILEGX source "init/Kconfig" @@ -240,6 +243,7 @@ endchoice config PAGE_OFFSET hex + depends on !64BIT default 0xF0000000 if VMSPLIT_3_75G default 0xE0000000 if VMSPLIT_3_5G default 0xB0000000 if VMSPLIT_2_75G diff --git a/arch/tile/Makefile b/arch/tile/Makefile index 17acce70569b..9520bc5a4b7f 100644 --- a/arch/tile/Makefile +++ b/arch/tile/Makefile @@ -30,7 +30,8 @@ ifneq ($(CONFIG_DEBUG_EXTRA_FLAGS),"") KBUILD_CFLAGS += $(CONFIG_DEBUG_EXTRA_FLAGS) endif -LIBGCC_PATH := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) +LIBGCC_PATH := \ + $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name) # Provide the path to use for "make defconfig". KBUILD_DEFCONFIG := $(ARCH)_defconfig @@ -53,8 +54,6 @@ libs-y += $(LIBGCC_PATH) # See arch/tile/Kbuild for content of core part of the kernel core-y += arch/tile/ -core-$(CONFIG_KVM) += arch/tile/kvm/ - ifdef TILERA_ROOT INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot endif diff --git a/arch/tile/include/arch/spr_def.h b/arch/tile/include/arch/spr_def.h index f548efeb2de3..d6ba449b5363 100644 --- a/arch/tile/include/arch/spr_def.h +++ b/arch/tile/include/arch/spr_def.h @@ -60,8 +60,8 @@ _concat4(SPR_IPI_EVENT_, CONFIG_KERNEL_PL,,) #define SPR_IPI_EVENT_RESET_K \ _concat4(SPR_IPI_EVENT_RESET_, CONFIG_KERNEL_PL,,) -#define SPR_IPI_MASK_SET_K \ - _concat4(SPR_IPI_MASK_SET_, CONFIG_KERNEL_PL,,) +#define SPR_IPI_EVENT_SET_K \ + _concat4(SPR_IPI_EVENT_SET_, CONFIG_KERNEL_PL,,) #define INT_IPI_K \ _concat4(INT_IPI_, CONFIG_KERNEL_PL,,) diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h index bb696da5d7cd..f2461429a4a4 100644 --- a/arch/tile/include/asm/atomic.h +++ b/arch/tile/include/asm/atomic.h @@ -17,6 +17,8 @@ #ifndef _ASM_TILE_ATOMIC_H #define _ASM_TILE_ATOMIC_H +#include <asm/cmpxchg.h> + #ifndef __ASSEMBLY__ #include <linux/compiler.h> @@ -121,54 +123,6 @@ static inline int atomic_read(const atomic_t *v) */ #define atomic_add_negative(i, v) (atomic_add_return((i), (v)) < 0) -/* Nonexistent functions intended to cause link errors. */ -extern unsigned long __xchg_called_with_bad_pointer(void); -extern unsigned long __cmpxchg_called_with_bad_pointer(void); - -#define xchg(ptr, x) \ - ({ \ - typeof(*(ptr)) __x; \ - switch (sizeof(*(ptr))) { \ - case 4: \ - __x = (typeof(__x))(typeof(__x-__x))atomic_xchg( \ - (atomic_t *)(ptr), \ - (u32)(typeof((x)-(x)))(x)); \ - break; \ - case 8: \ - __x = (typeof(__x))(typeof(__x-__x))atomic64_xchg( \ - (atomic64_t *)(ptr), \ - (u64)(typeof((x)-(x)))(x)); \ - break; \ - default: \ - __xchg_called_with_bad_pointer(); \ - } \ - __x; \ - }) - -#define cmpxchg(ptr, o, n) \ - ({ \ - typeof(*(ptr)) __x; \ - switch (sizeof(*(ptr))) { \ - case 4: \ - __x = (typeof(__x))(typeof(__x-__x))atomic_cmpxchg( \ - (atomic_t *)(ptr), \ - (u32)(typeof((o)-(o)))(o), \ - (u32)(typeof((n)-(n)))(n)); \ - break; \ - case 8: \ - __x = (typeof(__x))(typeof(__x-__x))atomic64_cmpxchg( \ - (atomic64_t *)(ptr), \ - (u64)(typeof((o)-(o)))(o), \ - (u64)(typeof((n)-(n)))(n)); \ - break; \ - default: \ - __cmpxchg_called_with_bad_pointer(); \ - } \ - __x; \ - }) - -#define tas(ptr) (xchg((ptr), 1)) - #endif /* __ASSEMBLY__ */ #ifndef __tilegx__ diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h index 466dc4a39a4f..54d1da826f93 100644 --- a/arch/tile/include/asm/atomic_32.h +++ b/arch/tile/include/asm/atomic_32.h @@ -200,7 +200,7 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v) * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as @v was not already @u. - * Returns the old value of @v. + * Returns non-zero if @v was not @u, and zero otherwise. */ static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) { diff --git a/arch/tile/include/asm/bitops_64.h b/arch/tile/include/asm/bitops_64.h index 58d021a9834f..60b87ee54fb8 100644 --- a/arch/tile/include/asm/bitops_64.h +++ b/arch/tile/include/asm/bitops_64.h @@ -38,10 +38,10 @@ static inline void clear_bit(unsigned nr, volatile unsigned long *addr) static inline void change_bit(unsigned nr, volatile unsigned long *addr) { - unsigned long old, mask = (1UL << (nr % BITS_PER_LONG)); - long guess, oldval; + unsigned long mask = (1UL << (nr % BITS_PER_LONG)); + unsigned long guess, oldval; addr += nr / BITS_PER_LONG; - old = *addr; + oldval = *addr; do { guess = oldval; oldval = atomic64_cmpxchg((atomic64_t *)addr, @@ -85,7 +85,7 @@ static inline int test_and_change_bit(unsigned nr, volatile unsigned long *addr) { unsigned long mask = (1UL << (nr % BITS_PER_LONG)); - long guess, oldval = *addr; + unsigned long guess, oldval; addr += nr / BITS_PER_LONG; oldval = *addr; do { diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h new file mode 100644 index 000000000000..276f067e3640 --- /dev/null +++ b/arch/tile/include/asm/cmpxchg.h @@ -0,0 +1,73 @@ +/* + * cmpxchg.h -- forked from asm/atomic.h with this copyright: + * + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + */ + +#ifndef _ASM_TILE_CMPXCHG_H +#define _ASM_TILE_CMPXCHG_H + +#ifndef __ASSEMBLY__ + +/* Nonexistent functions intended to cause link errors. */ +extern unsigned long __xchg_called_with_bad_pointer(void); +extern unsigned long __cmpxchg_called_with_bad_pointer(void); + +#define xchg(ptr, x) \ + ({ \ + typeof(*(ptr)) __x; \ + switch (sizeof(*(ptr))) { \ + case 4: \ + __x = (typeof(__x))(typeof(__x-__x))atomic_xchg( \ + (atomic_t *)(ptr), \ + (u32)(typeof((x)-(x)))(x)); \ + break; \ + case 8: \ + __x = (typeof(__x))(typeof(__x-__x))atomic64_xchg( \ + (atomic64_t *)(ptr), \ + (u64)(typeof((x)-(x)))(x)); \ + break; \ + default: \ + __xchg_called_with_bad_pointer(); \ + } \ + __x; \ + }) + +#define cmpxchg(ptr, o, n) \ + ({ \ + typeof(*(ptr)) __x; \ + switch (sizeof(*(ptr))) { \ + case 4: \ + __x = (typeof(__x))(typeof(__x-__x))atomic_cmpxchg( \ + (atomic_t *)(ptr), \ + (u32)(typeof((o)-(o)))(o), \ + (u32)(typeof((n)-(n)))(n)); \ + break; \ + case 8: \ + __x = (typeof(__x))(typeof(__x-__x))atomic64_cmpxchg( \ + (atomic64_t *)(ptr), \ + (u64)(typeof((o)-(o)))(o), \ + (u64)(typeof((n)-(n)))(n)); \ + break; \ + default: \ + __cmpxchg_called_with_bad_pointer(); \ + } \ + __x; \ + }) + +#define tas(ptr) (xchg((ptr), 1)) + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_TILE_CMPXCHG_H */ diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h index f80f8ceabc67..33cff9a3058b 100644 --- a/arch/tile/include/asm/irq.h +++ b/arch/tile/include/asm/irq.h @@ -21,7 +21,7 @@ #define NR_IRQS 32 /* IRQ numbers used for linux IPIs. */ -#define IRQ_RESCHEDULE 1 +#define IRQ_RESCHEDULE 0 #define irq_canonicalize(irq) (irq) diff --git a/arch/tile/include/asm/spinlock_64.h b/arch/tile/include/asm/spinlock_64.h index 72be5904e020..5f8b6a095fd8 100644 --- a/arch/tile/include/asm/spinlock_64.h +++ b/arch/tile/include/asm/spinlock_64.h @@ -137,7 +137,7 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) static inline void arch_write_unlock(arch_rwlock_t *rw) { __insn_mf(); - rw->lock = 0; + __insn_exch4(&rw->lock, 0); /* Avoid waiting in the write buffer. */ } static inline int arch_read_trylock(arch_rwlock_t *rw) diff --git a/arch/tile/include/asm/stack.h b/arch/tile/include/asm/stack.h index 4d97a2db932e..0e9d382a2d45 100644 --- a/arch/tile/include/asm/stack.h +++ b/arch/tile/include/asm/stack.h @@ -25,7 +25,6 @@ struct KBacktraceIterator { BacktraceIterator it; struct task_struct *task; /* task we are backtracing */ - pte_t *pgtable; /* page table for user space access */ int end; /* iteration complete. */ int new_context; /* new context is starting */ int profile; /* profiling, so stop on async intrpt */ diff --git a/arch/tile/include/asm/traps.h b/arch/tile/include/asm/traps.h index 5f20f920f932..e28c3df4176a 100644 --- a/arch/tile/include/asm/traps.h +++ b/arch/tile/include/asm/traps.h @@ -64,7 +64,11 @@ void do_breakpoint(struct pt_regs *, int fault_num); #ifdef __tilegx__ +/* kernel/single_step.c */ void gx_singlestep_handle(struct pt_regs *, int fault_num); + +/* kernel/intvec_64.S */ +void fill_ra_stack(void); #endif -#endif /* _ASM_TILE_SYSCALLS_H */ +#endif /* _ASM_TILE_TRAPS_H */ diff --git a/arch/tile/kernel/entry.S b/arch/tile/kernel/entry.S index 431e9ae60488..ec91568df880 100644 --- a/arch/tile/kernel/entry.S +++ b/arch/tile/kernel/entry.S @@ -85,6 +85,7 @@ STD_ENTRY(cpu_idle_on_new_stack) /* Loop forever on a nap during SMP boot. */ STD_ENTRY(smp_nap) nap + nop /* avoid provoking the icache prefetch with a jump */ j smp_nap /* we are not architecturally guaranteed not to exit nap */ jrp lr /* clue in the backtracer */ STD_ENDPROC(smp_nap) @@ -105,5 +106,6 @@ STD_ENTRY(_cpu_idle) .global _cpu_idle_nap _cpu_idle_nap: nap + nop /* avoid provoking the icache prefetch with a jump */ jrp lr STD_ENDPROC(_cpu_idle) diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index aecc8ed5f39b..5d56a1ef5ba5 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -799,6 +799,10 @@ handle_interrupt: * This routine takes a boolean in r30 indicating if this is an NMI. * If so, we also expect a boolean in r31 indicating whether to * re-enable the oprofile interrupts. + * + * Note that .Lresume_userspace is jumped to directly in several + * places, and we need to make sure r30 is set correctly in those + * callers as well. */ STD_ENTRY(interrupt_return) /* If we're resuming to kernel space, don't check thread flags. */ @@ -1237,7 +1241,10 @@ handle_syscall: bzt r30, 1f jal do_syscall_trace FEEDBACK_REENTER(handle_syscall) -1: j .Lresume_userspace /* jump into middle of interrupt_return */ +1: { + movei r30, 0 /* not an NMI */ + j .Lresume_userspace /* jump into middle of interrupt_return */ + } .Linvalid_syscall: /* Report an invalid syscall back to the user program */ @@ -1246,7 +1253,10 @@ handle_syscall: movei r28, -ENOSYS } sw r29, r28 - j .Lresume_userspace /* jump into middle of interrupt_return */ + { + movei r30, 0 /* not an NMI */ + j .Lresume_userspace /* jump into middle of interrupt_return */ + } STD_ENDPROC(handle_syscall) /* Return the address for oprofile to suppress in backtraces. */ @@ -1262,7 +1272,10 @@ STD_ENTRY(ret_from_fork) jal sim_notify_fork jal schedule_tail FEEDBACK_REENTER(ret_from_fork) - j .Lresume_userspace /* jump into middle of interrupt_return */ + { + movei r30, 0 /* not an NMI */ + j .Lresume_userspace /* jump into middle of interrupt_return */ + } STD_ENDPROC(ret_from_fork) /* @@ -1376,7 +1389,10 @@ handle_ill: jal send_sigtrap /* issue a SIGTRAP */ FEEDBACK_REENTER(handle_ill) - j .Lresume_userspace /* jump into middle of interrupt_return */ + { + movei r30, 0 /* not an NMI */ + j .Lresume_userspace /* jump into middle of interrupt_return */ + } .Ldispatch_normal_ill: { diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S index 79c93e10ba27..49d9d6621682 100644 --- a/arch/tile/kernel/intvec_64.S +++ b/arch/tile/kernel/intvec_64.S @@ -22,6 +22,7 @@ #include <asm/irqflags.h> #include <asm/asm-offsets.h> #include <asm/types.h> +#include <asm/signal.h> #include <hv/hypervisor.h> #include <arch/abi.h> #include <arch/interrupts.h> @@ -605,6 +606,10 @@ handle_interrupt: * This routine takes a boolean in r30 indicating if this is an NMI. * If so, we also expect a boolean in r31 indicating whether to * re-enable the oprofile interrupts. + * + * Note that .Lresume_userspace is jumped to directly in several + * places, and we need to make sure r30 is set correctly in those + * callers as well. */ STD_ENTRY(interrupt_return) /* If we're resuming to kernel space, don't check thread flags. */ @@ -1039,11 +1044,28 @@ handle_syscall: /* Do syscall trace again, if requested. */ ld r30, r31 - andi r30, r30, _TIF_SYSCALL_TRACE - beqzt r30, 1f + andi r0, r30, _TIF_SYSCALL_TRACE + { + andi r0, r30, _TIF_SINGLESTEP + beqzt r0, 1f + } jal do_syscall_trace FEEDBACK_REENTER(handle_syscall) -1: j .Lresume_userspace /* jump into middle of interrupt_return */ + andi r0, r30, _TIF_SINGLESTEP + +1: beqzt r0, 2f + + /* Single stepping -- notify ptrace. */ + { + movei r0, SIGTRAP + jal ptrace_notify + } + FEEDBACK_REENTER(handle_syscall) + +2: { + movei r30, 0 /* not an NMI */ + j .Lresume_userspace /* jump into middle of interrupt_return */ + } .Lcompat_syscall: /* @@ -1077,7 +1099,10 @@ handle_syscall: movei r28, -ENOSYS } st r29, r28 - j .Lresume_userspace /* jump into middle of interrupt_return */ + { + movei r30, 0 /* not an NMI */ + j .Lresume_userspace /* jump into middle of interrupt_return */ + } STD_ENDPROC(handle_syscall) /* Return the address for oprofile to suppress in backtraces. */ @@ -1093,7 +1118,10 @@ STD_ENTRY(ret_from_fork) jal sim_notify_fork jal schedule_tail FEEDBACK_REENTER(ret_from_fork) - j .Lresume_userspace + { + movei r30, 0 /* not an NMI */ + j .Lresume_userspace /* jump into middle of interrupt_return */ + } STD_ENDPROC(ret_from_fork) /* Various stub interrupt handlers and syscall handlers */ @@ -1156,6 +1184,18 @@ int_unalign: push_extra_callee_saves r0 j do_trap +/* Fill the return address stack with nonzero entries. */ +STD_ENTRY(fill_ra_stack) + { + move r0, lr + jal 1f + } +1: jal 2f +2: jal 3f +3: jal 4f +4: jrp r0 + STD_ENDPROC(fill_ra_stack) + /* Include .intrpt1 array of interrupt vectors */ .section ".intrpt1", "ax" @@ -1166,7 +1206,7 @@ int_unalign: #define do_hardwall_trap bad_intr #endif - int_hand INT_MEM_ERROR, MEM_ERROR, bad_intr + int_hand INT_MEM_ERROR, MEM_ERROR, do_trap int_hand INT_SINGLE_STEP_3, SINGLE_STEP_3, bad_intr #if CONFIG_KERNEL_PL == 2 int_hand INT_SINGLE_STEP_2, SINGLE_STEP_2, gx_singlestep_handle diff --git a/arch/tile/kernel/module.c b/arch/tile/kernel/module.c index b90ab9925674..98d476920106 100644 --- a/arch/tile/kernel/module.c +++ b/arch/tile/kernel/module.c @@ -67,6 +67,8 @@ void *module_alloc(unsigned long size) area = __get_vm_area(size, VM_ALLOC, MEM_MODULE_START, MEM_MODULE_END); if (!area) goto error; + area->nr_pages = npages; + area->pages = pages; if (map_vm_area(area, prot_rwx, &pages)) { vunmap(area->addr); diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 30caecac94dc..2d5ef617bb39 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -28,6 +28,7 @@ #include <linux/tracehook.h> #include <linux/signal.h> #include <asm/stack.h> +#include <asm/switch_to.h> #include <asm/homecache.h> #include <asm/syscalls.h> #include <asm/traps.h> @@ -285,7 +286,7 @@ struct task_struct *validate_current(void) static struct task_struct corrupt = { .comm = "<corrupt>" }; struct task_struct *tsk = current; if (unlikely((unsigned long)tsk < PAGE_OFFSET || - (void *)tsk > high_memory || + (high_memory && (void *)tsk > high_memory) || ((unsigned long)tsk & (__alignof__(*tsk) - 1)) != 0)) { pr_err("Corrupt 'current' %p (sp %#lx)\n", tsk, stack_pointer); tsk = &corrupt; diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 5f85d8b34dbb..bff23f476110 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -103,13 +103,11 @@ unsigned long __initdata pci_reserve_end_pfn = -1U; static int __init setup_maxmem(char *str) { - long maxmem_mb; - if (str == NULL || strict_strtol(str, 0, &maxmem_mb) != 0 || - maxmem_mb == 0) + unsigned long long maxmem; + if (str == NULL || (maxmem = memparse(str, NULL)) == 0) return -EINVAL; - maxmem_pfn = (maxmem_mb >> (HPAGE_SHIFT - 20)) << - (HPAGE_SHIFT - PAGE_SHIFT); + maxmem_pfn = (maxmem >> HPAGE_SHIFT) << (HPAGE_SHIFT - PAGE_SHIFT); pr_info("Forcing RAM used to no more than %dMB\n", maxmem_pfn >> (20 - PAGE_SHIFT)); return 0; @@ -119,14 +117,15 @@ early_param("maxmem", setup_maxmem); static int __init setup_maxnodemem(char *str) { char *endp; - long maxnodemem_mb, node; + unsigned long long maxnodemem; + long node; node = str ? simple_strtoul(str, &endp, 0) : INT_MAX; - if (node >= MAX_NUMNODES || *endp != ':' || - strict_strtol(endp+1, 0, &maxnodemem_mb) != 0) + if (node >= MAX_NUMNODES || *endp != ':') return -EINVAL; - maxnodemem_pfn[node] = (maxnodemem_mb >> (HPAGE_SHIFT - 20)) << + maxnodemem = memparse(endp+1, NULL); + maxnodemem_pfn[node] = (maxnodemem >> HPAGE_SHIFT) << (HPAGE_SHIFT - PAGE_SHIFT); pr_info("Forcing RAM used on node %ld to no more than %dMB\n", node, maxnodemem_pfn[node] >> (20 - PAGE_SHIFT)); @@ -913,6 +912,13 @@ void __cpuinit setup_cpu(int boot) #ifdef CONFIG_BLK_DEV_INITRD +/* + * Note that the kernel can potentially support other compression + * techniques than gz, though we don't do so by default. If we ever + * decide to do so we can either look for other filename extensions, + * or just allow a file with this name to be compressed with an + * arbitrary compressor (somewhat counterintuitively). + */ static int __initdata set_initramfs_file; static char __initdata initramfs_file[128] = "initramfs.cpio.gz"; @@ -928,9 +934,9 @@ static int __init setup_initramfs_file(char *str) early_param("initramfs_file", setup_initramfs_file); /* - * We look for an additional "initramfs.cpio.gz" file in the hvfs. + * We look for an "initramfs.cpio.gz" file in the hvfs. * If there is one, we allocate some memory for it and it will be - * unpacked to the initramfs after any built-in initramfs_data. + * unpacked to the initramfs. */ static void __init load_hv_initrd(void) { @@ -1100,7 +1106,7 @@ EXPORT_SYMBOL(hash_for_home_map); /* * cpu_cacheable_map lists all the cpus whose caches the hypervisor can - * flush on our behalf. It is set to cpu_possible_map OR'ed with + * flush on our behalf. It is set to cpu_possible_mask OR'ed with * hash_for_home_map, and it is what should be passed to * hv_flush_remote() to flush all caches. Note that if there are * dedicated hypervisor driver tiles that have authorized use of their @@ -1186,7 +1192,7 @@ static void __init setup_cpu_maps(void) sizeof(cpu_lotar_map)); if (rc < 0) { pr_err("warning: no HV_INQ_TILES_LOTAR; using AVAIL\n"); - cpu_lotar_map = cpu_possible_map; + cpu_lotar_map = *cpu_possible_mask; } #if CHIP_HAS_CBOX_HOME_MAP() @@ -1196,9 +1202,9 @@ static void __init setup_cpu_maps(void) sizeof(hash_for_home_map)); if (rc < 0) early_panic("hv_inquire_tiles(HFH_CACHE) failed: rc %d\n", rc); - cpumask_or(&cpu_cacheable_map, &cpu_possible_map, &hash_for_home_map); + cpumask_or(&cpu_cacheable_map, cpu_possible_mask, &hash_for_home_map); #else - cpu_cacheable_map = cpu_possible_map; + cpu_cacheable_map = *cpu_possible_mask; #endif } diff --git a/arch/tile/kernel/single_step.c b/arch/tile/kernel/single_step.c index bc1eb586e24d..9efbc1391b3c 100644 --- a/arch/tile/kernel/single_step.c +++ b/arch/tile/kernel/single_step.c @@ -153,6 +153,25 @@ static tile_bundle_bits rewrite_load_store_unaligned( if (((unsigned long)addr % size) == 0) return bundle; + /* + * Return SIGBUS with the unaligned address, if requested. + * Note that we return SIGBUS even for completely invalid addresses + * as long as they are in fact unaligned; this matches what the + * tilepro hardware would be doing, if it could provide us with the + * actual bad address in an SPR, which it doesn't. + */ + if (unaligned_fixup == 0) { + siginfo_t info = { + .si_signo = SIGBUS, + .si_code = BUS_ADRALN, + .si_addr = addr + }; + trace_unhandled_signal("unaligned trap", regs, + (unsigned long)addr, SIGBUS); + force_sig_info(info.si_signo, &info, current); + return (tilepro_bundle_bits) 0; + } + #ifndef __LITTLE_ENDIAN # error We assume little-endian representation with copy_xx_user size 2 here #endif @@ -192,18 +211,6 @@ static tile_bundle_bits rewrite_load_store_unaligned( return (tile_bundle_bits) 0; } - if (unaligned_fixup == 0) { - siginfo_t info = { - .si_signo = SIGBUS, - .si_code = BUS_ADRALN, - .si_addr = addr - }; - trace_unhandled_signal("unaligned trap", regs, - (unsigned long)addr, SIGBUS); - force_sig_info(info.si_signo, &info, current); - return (tile_bundle_bits) 0; - } - if (unaligned_printk || unaligned_fixup_count == 0) { pr_info("Process %d/%s: PC %#lx: Fixup of" " unaligned %s at %#lx.\n", diff --git a/arch/tile/kernel/smp.c b/arch/tile/kernel/smp.c index a44e103c5a63..91da0f721958 100644 --- a/arch/tile/kernel/smp.c +++ b/arch/tile/kernel/smp.c @@ -103,7 +103,7 @@ static void smp_stop_cpu_interrupt(void) set_cpu_online(smp_processor_id(), 0); arch_local_irq_disable_all(); for (;;) - asm("nap"); + asm("nap; nop"); } /* This function calls the 'stop' function on all other CPUs in the system. */ @@ -113,6 +113,12 @@ void smp_send_stop(void) send_IPI_allbutself(MSG_TAG_STOP_CPU); } +/* On panic, just wait; we may get an smp_send_stop() later on. */ +void panic_smp_self_stop(void) +{ + while (1) + asm("nap; nop"); +} /* * Dispatch code called from hv_message_intr() for HV_MSG_TILE hv messages. diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c index 37ee4d037e0b..b2f44c28dda6 100644 --- a/arch/tile/kernel/stack.c +++ b/arch/tile/kernel/stack.c @@ -21,10 +21,12 @@ #include <linux/stacktrace.h> #include <linux/uaccess.h> #include <linux/mmzone.h> +#include <linux/dcache.h> +#include <linux/fs.h> #include <asm/backtrace.h> #include <asm/page.h> -#include <asm/tlbflush.h> #include <asm/ucontext.h> +#include <asm/switch_to.h> #include <asm/sigframe.h> #include <asm/stack.h> #include <arch/abi.h> @@ -44,72 +46,23 @@ static int in_kernel_stack(struct KBacktraceIterator *kbt, unsigned long sp) return sp >= kstack_base && sp < kstack_base + THREAD_SIZE; } -/* Is address valid for reading? */ -static int valid_address(struct KBacktraceIterator *kbt, unsigned long address) -{ - HV_PTE *l1_pgtable = kbt->pgtable; - HV_PTE *l2_pgtable; - unsigned long pfn; - HV_PTE pte; - struct page *page; - - if (l1_pgtable == NULL) - return 0; /* can't read user space in other tasks */ - -#ifdef CONFIG_64BIT - /* Find the real l1_pgtable by looking in the l0_pgtable. */ - pte = l1_pgtable[HV_L0_INDEX(address)]; - if (!hv_pte_get_present(pte)) - return 0; - pfn = hv_pte_get_pfn(pte); - if (pte_huge(pte)) { - if (!pfn_valid(pfn)) { - pr_err("L0 huge page has bad pfn %#lx\n", pfn); - return 0; - } - return hv_pte_get_present(pte) && hv_pte_get_readable(pte); - } - page = pfn_to_page(pfn); - BUG_ON(PageHighMem(page)); /* No HIGHMEM on 64-bit. */ - l1_pgtable = (HV_PTE *)pfn_to_kaddr(pfn); -#endif - pte = l1_pgtable[HV_L1_INDEX(address)]; - if (!hv_pte_get_present(pte)) - return 0; - pfn = hv_pte_get_pfn(pte); - if (pte_huge(pte)) { - if (!pfn_valid(pfn)) { - pr_err("huge page has bad pfn %#lx\n", pfn); - return 0; - } - return hv_pte_get_present(pte) && hv_pte_get_readable(pte); - } - - page = pfn_to_page(pfn); - if (PageHighMem(page)) { - pr_err("L2 page table not in LOWMEM (%#llx)\n", - HV_PFN_TO_CPA(pfn)); - return 0; - } - l2_pgtable = (HV_PTE *)pfn_to_kaddr(pfn); - pte = l2_pgtable[HV_L2_INDEX(address)]; - return hv_pte_get_present(pte) && hv_pte_get_readable(pte); -} - /* Callback for backtracer; basically a glorified memcpy */ static bool read_memory_func(void *result, unsigned long address, unsigned int size, void *vkbt) { int retval; struct KBacktraceIterator *kbt = (struct KBacktraceIterator *)vkbt; + + if (address == 0) + return 0; if (__kernel_text_address(address)) { /* OK to read kernel code. */ } else if (address >= PAGE_OFFSET) { /* We only tolerate kernel-space reads of this task's stack */ if (!in_kernel_stack(kbt, address)) return 0; - } else if (!valid_address(kbt, address)) { - return 0; /* invalid user-space address */ + } else if (!kbt->is_current) { + return 0; /* can't read from other user address spaces */ } pagefault_disable(); retval = __copy_from_user_inatomic(result, @@ -127,6 +80,8 @@ static struct pt_regs *valid_fault_handler(struct KBacktraceIterator* kbt) unsigned long sp = kbt->it.sp; struct pt_regs *p; + if (sp % sizeof(long) != 0) + return NULL; if (!in_kernel_stack(kbt, sp)) return NULL; if (!in_kernel_stack(kbt, sp + C_ABI_SAVE_AREA_SIZE + PTREGS_SIZE-1)) @@ -169,27 +124,27 @@ static int is_sigreturn(unsigned long pc) } /* Return a pt_regs pointer for a valid signal handler frame */ -static struct pt_regs *valid_sigframe(struct KBacktraceIterator* kbt) +static struct pt_regs *valid_sigframe(struct KBacktraceIterator* kbt, + struct rt_sigframe* kframe) { BacktraceIterator *b = &kbt->it; - if (b->pc == VDSO_BASE) { - struct rt_sigframe *frame; - unsigned long sigframe_top = - b->sp + sizeof(struct rt_sigframe) - 1; - if (!valid_address(kbt, b->sp) || - !valid_address(kbt, sigframe_top)) { - if (kbt->verbose) - pr_err(" (odd signal: sp %#lx?)\n", - (unsigned long)(b->sp)); + if (b->pc == VDSO_BASE && b->sp < PAGE_OFFSET && + b->sp % sizeof(long) == 0) { + int retval; + pagefault_disable(); + retval = __copy_from_user_inatomic( + kframe, (void __user __force *)b->sp, + sizeof(*kframe)); + pagefault_enable(); + if (retval != 0 || + (unsigned int)(kframe->info.si_signo) >= _NSIG) return NULL; - } - frame = (struct rt_sigframe *)b->sp; if (kbt->verbose) { pr_err(" <received signal %d>\n", - frame->info.si_signo); + kframe->info.si_signo); } - return (struct pt_regs *)&frame->uc.uc_mcontext; + return (struct pt_regs *)&kframe->uc.uc_mcontext; } return NULL; } @@ -202,10 +157,11 @@ static int KBacktraceIterator_is_sigreturn(struct KBacktraceIterator *kbt) static int KBacktraceIterator_restart(struct KBacktraceIterator *kbt) { struct pt_regs *p; + struct rt_sigframe kframe; p = valid_fault_handler(kbt); if (p == NULL) - p = valid_sigframe(kbt); + p = valid_sigframe(kbt, &kframe); if (p == NULL) return 0; backtrace_init(&kbt->it, read_memory_func, kbt, @@ -265,41 +221,19 @@ void KBacktraceIterator_init(struct KBacktraceIterator *kbt, /* * Set up callback information. We grab the kernel stack base - * so we will allow reads of that address range, and if we're - * asking about the current process we grab the page table - * so we can check user accesses before trying to read them. - * We flush the TLB to avoid any weird skew issues. + * so we will allow reads of that address range. */ - is_current = (t == NULL); + is_current = (t == NULL || t == current); kbt->is_current = is_current; if (is_current) t = validate_current(); kbt->task = t; - kbt->pgtable = NULL; kbt->verbose = 0; /* override in caller if desired */ kbt->profile = 0; /* override in caller if desired */ kbt->end = KBT_ONGOING; - kbt->new_context = 0; - if (is_current) { - HV_PhysAddr pgdir_pa = hv_inquire_context().page_table; - if (pgdir_pa == (unsigned long)swapper_pg_dir - PAGE_OFFSET) { - /* - * Not just an optimization: this also allows - * this to work at all before va/pa mappings - * are set up. - */ - kbt->pgtable = swapper_pg_dir; - } else { - struct page *page = pfn_to_page(PFN_DOWN(pgdir_pa)); - if (!PageHighMem(page)) - kbt->pgtable = __va(pgdir_pa); - else - pr_err("page table not in LOWMEM" - " (%#llx)\n", pgdir_pa); - } - local_flush_tlb_all(); + kbt->new_context = 1; + if (is_current) validate_stack(regs); - } if (regs == NULL) { if (is_current || t->state == TASK_RUNNING) { @@ -345,6 +279,78 @@ void KBacktraceIterator_next(struct KBacktraceIterator *kbt) } EXPORT_SYMBOL(KBacktraceIterator_next); +static void describe_addr(struct KBacktraceIterator *kbt, + unsigned long address, + int have_mmap_sem, char *buf, size_t bufsize) +{ + struct vm_area_struct *vma; + size_t namelen, remaining; + unsigned long size, offset, adjust; + char *p, *modname; + const char *name; + int rc; + + /* + * Look one byte back for every caller frame (i.e. those that + * aren't a new context) so we look up symbol data for the + * call itself, not the following instruction, which may be on + * a different line (or in a different function). + */ + adjust = !kbt->new_context; + address -= adjust; + + if (address >= PAGE_OFFSET) { + /* Handle kernel symbols. */ + BUG_ON(bufsize < KSYM_NAME_LEN); + name = kallsyms_lookup(address, &size, &offset, + &modname, buf); + if (name == NULL) { + buf[0] = '\0'; + return; + } + namelen = strlen(buf); + remaining = (bufsize - 1) - namelen; + p = buf + namelen; + rc = snprintf(p, remaining, "+%#lx/%#lx ", + offset + adjust, size); + if (modname && rc < remaining) + snprintf(p + rc, remaining - rc, "[%s] ", modname); + buf[bufsize-1] = '\0'; + return; + } + + /* If we don't have the mmap_sem, we can't show any more info. */ + buf[0] = '\0'; + if (!have_mmap_sem) + return; + + /* Find vma info. */ + vma = find_vma(kbt->task->mm, address); + if (vma == NULL || address < vma->vm_start) { + snprintf(buf, bufsize, "[unmapped address] "); + return; + } + + if (vma->vm_file) { + char *s; + p = d_path(&vma->vm_file->f_path, buf, bufsize); + if (IS_ERR(p)) + p = "?"; + s = strrchr(p, '/'); + if (s) + p = s+1; + } else { + p = "anon"; + } + + /* Generate a string description of the vma info. */ + namelen = strlen(p); + remaining = (bufsize - 1) - namelen; + memmove(buf, p, namelen); + snprintf(buf + namelen, remaining, "[%lx+%lx] ", + vma->vm_start, vma->vm_end - vma->vm_start); +} + /* * This method wraps the backtracer's more generic support. * It is only invoked from the architecture-specific code; show_stack() @@ -353,6 +359,7 @@ EXPORT_SYMBOL(KBacktraceIterator_next); void tile_show_stack(struct KBacktraceIterator *kbt, int headers) { int i; + int have_mmap_sem = 0; if (headers) { /* @@ -369,31 +376,16 @@ void tile_show_stack(struct KBacktraceIterator *kbt, int headers) kbt->verbose = 1; i = 0; for (; !KBacktraceIterator_end(kbt); KBacktraceIterator_next(kbt)) { - char *modname; - const char *name; - unsigned long address = kbt->it.pc; - unsigned long offset, size; char namebuf[KSYM_NAME_LEN+100]; + unsigned long address = kbt->it.pc; - if (address >= PAGE_OFFSET) - name = kallsyms_lookup(address, &size, &offset, - &modname, namebuf); - else - name = NULL; - - if (!name) - namebuf[0] = '\0'; - else { - size_t namelen = strlen(namebuf); - size_t remaining = (sizeof(namebuf) - 1) - namelen; - char *p = namebuf + namelen; - int rc = snprintf(p, remaining, "+%#lx/%#lx ", - offset, size); - if (modname && rc < remaining) - snprintf(p + rc, remaining - rc, - "[%s] ", modname); - namebuf[sizeof(namebuf)-1] = '\0'; - } + /* Try to acquire the mmap_sem as we pass into userspace. */ + if (address < PAGE_OFFSET && !have_mmap_sem && kbt->task->mm) + have_mmap_sem = + down_read_trylock(&kbt->task->mm->mmap_sem); + + describe_addr(kbt, address, have_mmap_sem, + namebuf, sizeof(namebuf)); pr_err(" frame %d: 0x%lx %s(sp 0x%lx)\n", i++, address, namebuf, (unsigned long)(kbt->it.sp)); @@ -408,6 +400,8 @@ void tile_show_stack(struct KBacktraceIterator *kbt, int headers) pr_err("Stack dump stopped; next frame identical to this one\n"); if (headers) pr_err("Stack dump complete\n"); + if (have_mmap_sem) + up_read(&kbt->task->mm->mmap_sem); } EXPORT_SYMBOL(tile_show_stack); diff --git a/arch/tile/kernel/traps.c b/arch/tile/kernel/traps.c index 2bb6602a1ee7..73cff814ac57 100644 --- a/arch/tile/kernel/traps.c +++ b/arch/tile/kernel/traps.c @@ -200,7 +200,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, { siginfo_t info = { 0 }; int signo, code; - unsigned long address; + unsigned long address = 0; bundle_bits instr; /* Re-enable interrupts. */ @@ -223,6 +223,10 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, } switch (fault_num) { + case INT_MEM_ERROR: + signo = SIGBUS; + code = BUS_OBJERR; + break; case INT_ILL: if (copy_from_user(&instr, (void __user *)regs->pc, sizeof(instr))) { @@ -289,7 +293,10 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, address = regs->pc; break; #ifdef __tilegx__ - case INT_ILL_TRANS: + case INT_ILL_TRANS: { + /* Avoid a hardware erratum with the return address stack. */ + fill_ra_stack(); + signo = SIGSEGV; code = SEGV_MAPERR; if (reason & SPR_ILL_TRANS_REASON__I_STREAM_VA_RMASK) @@ -297,6 +304,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, else address = 0; /* FIXME: GX: single-step for address */ break; + } #endif default: panic("Unexpected do_trap interrupt number %d", fault_num); @@ -308,7 +316,8 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, info.si_addr = (void __user *)address; if (signo == SIGILL) info.si_trapno = fault_num; - trace_unhandled_signal("trap", regs, address, signo); + if (signo != SIGTRAP) + trace_unhandled_signal("trap", regs, address, signo); force_sig_info(signo, &info, current); } diff --git a/arch/tile/lib/Makefile b/arch/tile/lib/Makefile index 0c26086ecbef..985f59858234 100644 --- a/arch/tile/lib/Makefile +++ b/arch/tile/lib/Makefile @@ -7,6 +7,7 @@ lib-y = cacheflush.o checksum.o cpumask.o delay.o uaccess.o \ strchr_$(BITS).o strlen_$(BITS).o ifeq ($(CONFIG_TILEGX),y) +CFLAGS_REMOVE_memcpy_user_64.o = -fno-omit-frame-pointer lib-y += memcpy_user_64.o else lib-y += atomic_32.o atomic_asm_32.o memcpy_tile64.o diff --git a/arch/tile/lib/cacheflush.c b/arch/tile/lib/cacheflush.c index 8928aace7a64..db4fb89e12d8 100644 --- a/arch/tile/lib/cacheflush.c +++ b/arch/tile/lib/cacheflush.c @@ -39,7 +39,21 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh) { char *p, *base; size_t step_size, load_count; + + /* + * On TILEPro the striping granularity is a fixed 8KB; on + * TILE-Gx it is configurable, and we rely on the fact that + * the hypervisor always configures maximum striping, so that + * bits 9 and 10 of the PA are part of the stripe function, so + * every 512 bytes we hit a striping boundary. + * + */ +#ifdef __tilegx__ + const unsigned long STRIPE_WIDTH = 512; +#else const unsigned long STRIPE_WIDTH = 8192; +#endif + #ifdef __tilegx__ /* * On TILE-Gx, we must disable the dstream prefetcher before doing @@ -74,7 +88,7 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh) * memory, that one load would be sufficient, but since we may * be, we also need to back up to the last load issued to * another memory controller, which would be the point where - * we crossed an 8KB boundary (the granularity of striping + * we crossed a "striping" boundary (the granularity of striping * across memory controllers). Keep backing up and doing this * until we are before the beginning of the buffer, or have * hit all the controllers. @@ -88,12 +102,22 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh) * every cache line on a full memory stripe on each * controller" that we simply do that, to simplify the logic. * - * FIXME: See bug 9535 for some issues with this code. + * On TILE-Gx the hash-for-home function is much more complex, + * with the upshot being we can't readily guarantee we have + * hit both entries in the 128-entry AMT that were hit by any + * load in the entire range, so we just re-load them all. + * With larger buffers, we may want to consider using a hypervisor + * trap to issue loads directly to each hash-for-home tile for + * each controller (doing it from Linux would trash the TLB). */ if (hfh) { step_size = L2_CACHE_BYTES; +#ifdef __tilegx__ + load_count = (size + L2_CACHE_BYTES - 1) / L2_CACHE_BYTES; +#else load_count = (STRIPE_WIDTH / L2_CACHE_BYTES) * (1 << CHIP_LOG_NUM_MSHIMS()); +#endif } else { step_size = STRIPE_WIDTH; load_count = (1 << CHIP_LOG_NUM_MSHIMS()); @@ -109,7 +133,7 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh) /* Figure out how far back we need to go. */ base = p - (step_size * (load_count - 2)); - if ((long)base < (long)buffer) + if ((unsigned long)base < (unsigned long)buffer) base = buffer; /* diff --git a/arch/tile/lib/memcpy_user_64.c b/arch/tile/lib/memcpy_user_64.c index 4763b3aff1cc..37440caa7370 100644 --- a/arch/tile/lib/memcpy_user_64.c +++ b/arch/tile/lib/memcpy_user_64.c @@ -14,7 +14,13 @@ * Do memcpy(), but trap and return "n" when a load or store faults. * * Note: this idiom only works when memcpy() compiles to a leaf function. - * If "sp" is updated during memcpy, the "jrp lr" will be incorrect. + * Here leaf function not only means it does not have calls, but also + * requires no stack operations (sp, stack frame pointer) and no + * use of callee-saved registers, else "jrp lr" will be incorrect since + * unwinding stack frame is bypassed. Since memcpy() is not complex so + * these conditions are satisfied here, but we need to be careful when + * modifying this file. This is not a clean solution but is the best + * one so far. * * Also note that we are capturing "n" from the containing scope here. */ diff --git a/arch/tile/lib/spinlock_common.h b/arch/tile/lib/spinlock_common.h index c10109809132..6ac37509faca 100644 --- a/arch/tile/lib/spinlock_common.h +++ b/arch/tile/lib/spinlock_common.h @@ -60,5 +60,5 @@ static void delay_backoff(int iterations) loops += __insn_crc32_32(stack_pointer, get_cycles_low()) & (loops - 1); - relax(1 << exponent); + relax(loops); } diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c index cba30e9547b4..22e58f51ed23 100644 --- a/arch/tile/mm/fault.c +++ b/arch/tile/mm/fault.c @@ -130,7 +130,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) } /* - * Handle a fault on the vmalloc or module mapping area + * Handle a fault on the vmalloc area. */ static inline int vmalloc_fault(pgd_t *pgd, unsigned long address) { @@ -203,9 +203,14 @@ static pgd_t *get_current_pgd(void) * interrupt or a critical region, and must do as little as possible. * Similarly, we can't use atomic ops here, since we may be handling a * fault caused by an atomic op access. + * + * If we find a migrating PTE while we're in an NMI context, and we're + * at a PC that has a registered exception handler, we don't wait, + * since this thread may (e.g.) have been interrupted while migrating + * its own stack, which would then cause us to self-deadlock. */ static int handle_migrating_pte(pgd_t *pgd, int fault_num, - unsigned long address, + unsigned long address, unsigned long pc, int is_kernel_mode, int write) { pud_t *pud; @@ -227,6 +232,8 @@ static int handle_migrating_pte(pgd_t *pgd, int fault_num, pte_offset_kernel(pmd, address); pteval = *pte; if (pte_migrating(pteval)) { + if (in_nmi() && search_exception_tables(pc)) + return 0; wait_for_migration(pte); return 1; } @@ -300,7 +307,7 @@ static int handle_page_fault(struct pt_regs *regs, * rather than trying to patch up the existing PTE. */ pgd = get_current_pgd(); - if (handle_migrating_pte(pgd, fault_num, address, + if (handle_migrating_pte(pgd, fault_num, address, regs->pc, is_kernel_mode, write)) return 1; @@ -335,9 +342,12 @@ static int handle_page_fault(struct pt_regs *regs, /* * If we're trying to touch user-space addresses, we must * be either at PL0, or else with interrupts enabled in the - * kernel, so either way we can re-enable interrupts here. + * kernel, so either way we can re-enable interrupts here + * unless we are doing atomic access to user space with + * interrupts disabled. */ - local_irq_enable(); + if (!(regs->flags & PT_FLAGS_DISABLE_IRQ)) + local_irq_enable(); mm = tsk->mm; @@ -665,7 +675,7 @@ struct intvec_state do_page_fault_ics(struct pt_regs *regs, int fault_num, */ if (fault_num == INT_DTLB_ACCESS) write = 1; - if (handle_migrating_pte(pgd, fault_num, address, 1, write)) + if (handle_migrating_pte(pgd, fault_num, address, pc, 1, write)) return state; /* Return zero so that we continue on with normal fault handling. */ diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c index 1cc6ae477c98..499f73770b05 100644 --- a/arch/tile/mm/homecache.c +++ b/arch/tile/mm/homecache.c @@ -394,6 +394,7 @@ int page_home(struct page *page) return pte_to_home(*virt_to_pte(NULL, kva)); } } +EXPORT_SYMBOL(page_home); void homecache_change_page_home(struct page *page, int order, int home) { diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index 830c4908ea76..6a9d20ddc34f 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -254,11 +254,6 @@ static pgprot_t __init init_pgprot(ulong address) return construct_pgprot(PAGE_KERNEL_RO, PAGE_HOME_IMMUTABLE); } - /* As a performance optimization, keep the boot init stack here. */ - if (address >= (ulong)&init_thread_union && - address < (ulong)&init_thread_union + THREAD_SIZE) - return construct_pgprot(PAGE_KERNEL, smp_processor_id()); - #ifndef __tilegx__ #if !ATOMIC_LOCKS_FOUND_VIA_TABLE() /* Force the atomic_locks[] array page to be hash-for-home. */ @@ -557,6 +552,7 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) address = MEM_SV_INTRPT; pmd = get_pmd(pgtables, address); + pfn = 0; /* code starts at PA 0 */ if (ktext_small) { /* Allocate an L2 PTE for the kernel text */ int cpu = 0; @@ -579,10 +575,15 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) } BUG_ON(address != (unsigned long)_stext); - pfn = 0; /* code starts at PA 0 */ - pte = alloc_pte(); - for (pte_ofs = 0; address < (unsigned long)_einittext; - pfn++, pte_ofs++, address += PAGE_SIZE) { + pte = NULL; + for (; address < (unsigned long)_einittext; + pfn++, address += PAGE_SIZE) { + pte_ofs = pte_index(address); + if (pte_ofs == 0) { + if (pte) + assign_pte(pmd++, pte); + pte = alloc_pte(); + } if (!ktext_local) { prot = set_remote_cache_cpu(prot, cpu); cpu = cpumask_next(cpu, &ktext_mask); @@ -591,7 +592,8 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) } pte[pte_ofs] = pfn_pte(pfn, prot); } - assign_pte(pmd, pte); + if (pte) + assign_pte(pmd, pte); } else { pte_t pteval = pfn_pte(0, PAGE_KERNEL_EXEC); pteval = pte_mkhuge(pteval); @@ -614,7 +616,9 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base) else pteval = hv_pte_set_mode(pteval, HV_PTE_MODE_CACHE_NO_L3); - *(pte_t *)pmd = pteval; + for (; address < (unsigned long)_einittext; + pfn += PFN_DOWN(HPAGE_SIZE), address += HPAGE_SIZE) + *(pte_t *)(pmd++) = pfn_pte(pfn, pteval); } /* Set swapper_pgprot here so it is flushed to memory right away. */ diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c index 87303693a072..2410aa899b3e 100644 --- a/arch/tile/mm/pgtable.c +++ b/arch/tile/mm/pgtable.c @@ -177,14 +177,10 @@ void shatter_huge_page(unsigned long addr) if (!pmd_huge_page(*pmd)) return; - /* - * Grab the pgd_lock, since we may need it to walk the pgd_list, - * and since we need some kind of lock here to avoid races. - */ - spin_lock_irqsave(&pgd_lock, flags); + spin_lock_irqsave(&init_mm.page_table_lock, flags); if (!pmd_huge_page(*pmd)) { /* Lost the race to convert the huge page. */ - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock_irqrestore(&init_mm.page_table_lock, flags); return; } @@ -194,6 +190,7 @@ void shatter_huge_page(unsigned long addr) #ifdef __PAGETABLE_PMD_FOLDED /* Walk every pgd on the system and update the pmd there. */ + spin_lock(&pgd_lock); list_for_each(pos, &pgd_list) { pmd_t *copy_pmd; pgd = list_to_pgd(pos) + pgd_index(addr); @@ -201,6 +198,7 @@ void shatter_huge_page(unsigned long addr) copy_pmd = pmd_offset(pud, addr); __set_pmd(copy_pmd, *pmd); } + spin_unlock(&pgd_lock); #endif /* Tell every cpu to notice the change. */ @@ -208,7 +206,7 @@ void shatter_huge_page(unsigned long addr) cpu_possible_mask, NULL, 0); /* Hold the lock until the TLB flush is finished to avoid races. */ - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock_irqrestore(&init_mm.page_table_lock, flags); } /* @@ -217,9 +215,13 @@ void shatter_huge_page(unsigned long addr) * against pageattr.c; it is the unique case in which a valid change * of kernel pagetables can't be lazily synchronized by vmalloc faults. * vmalloc faults work because attached pagetables are never freed. - * The locking scheme was chosen on the basis of manfred's - * recommendations and having no core impact whatsoever. - * -- wli + * + * The lock is always taken with interrupts disabled, unlike on x86 + * and other platforms, because we need to take the lock in + * shatter_huge_page(), which may be called from an interrupt context. + * We are not at risk from the tlbflush IPI deadlock that was seen on + * x86, since we use the flush_remote() API to have the hypervisor do + * the TLB flushes regardless of irq disabling. */ DEFINE_SPINLOCK(pgd_lock); LIST_HEAD(pgd_list); @@ -469,10 +471,18 @@ void __set_pte(pte_t *ptep, pte_t pte) void set_pte(pte_t *ptep, pte_t pte) { - struct page *page = pfn_to_page(pte_pfn(pte)); - - /* Update the home of a PTE if necessary */ - pte = pte_set_home(pte, page_home(page)); + if (pte_present(pte) && + (!CHIP_HAS_MMIO() || hv_pte_get_mode(pte) != HV_PTE_MODE_MMIO)) { + /* The PTE actually references physical memory. */ + unsigned long pfn = pte_pfn(pte); + if (pfn_valid(pfn)) { + /* Update the home of the PTE from the struct page. */ + pte = pte_set_home(pte, page_home(pfn_to_page(pfn))); + } else if (hv_pte_get_mode(pte) == 0) { + /* remap_pfn_range(), etc, must supply PTE mode. */ + panic("set_pte(): out-of-range PFN and mode 0\n"); + } + } __set_pte(ptep, pte); } diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c index 2e9852c0d487..0a9e57e7446b 100644 --- a/arch/um/kernel/skas/process.c +++ b/arch/um/kernel/skas/process.c @@ -41,7 +41,7 @@ static int __init start_kernel_proc(void *unused) cpu_tasks[0].pid = pid; cpu_tasks[0].task = current; #ifdef CONFIG_SMP - cpu_online_map = cpumask_of_cpu(0); + init_cpu_online(get_cpu_mask(0)); #endif start_kernel(); return 0; diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c index 155206a66908..6f588e160fb0 100644 --- a/arch/um/kernel/smp.c +++ b/arch/um/kernel/smp.c @@ -76,7 +76,7 @@ static int idle_proc(void *cpup) cpu_relax(); notify_cpu_starting(cpu); - cpu_set(cpu, cpu_online_map); + set_cpu_online(cpu, true); default_idle(); return 0; } @@ -110,8 +110,7 @@ void smp_prepare_cpus(unsigned int maxcpus) for (i = 0; i < ncpus; ++i) set_cpu_possible(i, true); - cpu_clear(me, cpu_online_map); - cpu_set(me, cpu_online_map); + set_cpu_online(me, true); cpu_set(me, cpu_callin_map); err = os_pipe(cpu_data[me].ipi_pipe, 1, 1); @@ -138,13 +137,13 @@ void smp_prepare_cpus(unsigned int maxcpus) void smp_prepare_boot_cpu(void) { - cpu_set(smp_processor_id(), cpu_online_map); + set_cpu_online(smp_processor_id(), true); } int __cpu_up(unsigned int cpu) { cpu_set(cpu, smp_commenced_mask); - while (!cpu_isset(cpu, cpu_online_map)) + while (!cpu_online(cpu)) mb(); return 0; } diff --git a/arch/unicore32/include/asm/dma-mapping.h b/arch/unicore32/include/asm/dma-mapping.h index 9258e592f414..366460a81796 100644 --- a/arch/unicore32/include/asm/dma-mapping.h +++ b/arch/unicore32/include/asm/dma-mapping.h @@ -82,20 +82,26 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask) return 0; } -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) { struct dma_map_ops *dma_ops = get_dma_ops(dev); - return dma_ops->alloc_coherent(dev, size, dma_handle, flag); + return dma_ops->alloc(dev, size, dma_handle, flag, attrs); } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *dma_ops = get_dma_ops(dev); - dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); + dma_ops->free(dev, size, cpu_addr, dma_handle, attrs); } #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) diff --git a/arch/unicore32/mm/dma-swiotlb.c b/arch/unicore32/mm/dma-swiotlb.c index bfa9fbb2bbb1..16c08b2143a7 100644 --- a/arch/unicore32/mm/dma-swiotlb.c +++ b/arch/unicore32/mm/dma-swiotlb.c @@ -17,9 +17,23 @@ #include <asm/dma.h> +static void *unicore_swiotlb_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flags, + struct dma_attrs *attrs) +{ + return swiotlb_alloc_coherent(dev, size, dma_handle, flags); +} + +static void unicore_swiotlb_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_addr, + struct dma_attrs *attrs) +{ + swiotlb_free_coherent(dev, size, vaddr, dma_addr); +} + struct dma_map_ops swiotlb_dma_map_ops = { - .alloc_coherent = swiotlb_alloc_coherent, - .free_coherent = swiotlb_free_coherent, + .alloc = unicore_swiotlb_alloc_coherent, + .free = unicore_swiotlb_free_coherent, .map_sg = swiotlb_map_sg_attrs, .unmap_sg = swiotlb_unmap_sg_attrs, .dma_supported = swiotlb_dma_supported, diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 968dbe24a255..41a7237606a3 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -129,6 +129,7 @@ KBUILD_CFLAGS += -Wno-sign-compare KBUILD_CFLAGS += -fno-asynchronous-unwind-tables # prevent gcc from generating any FP code by mistake KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) +KBUILD_CFLAGS += $(call cc-option,-mno-avx,) KBUILD_CFLAGS += $(mflags-y) KBUILD_AFLAGS += $(mflags-y) diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index ed3065fd6314..4b4331d71935 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -59,7 +59,8 @@ extern int dma_supported(struct device *hwdev, u64 mask); extern int dma_set_mask(struct device *dev, u64 mask); extern void *dma_generic_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addr, gfp_t flag); + dma_addr_t *dma_addr, gfp_t flag, + struct dma_attrs *attrs); static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) { @@ -111,9 +112,11 @@ static inline gfp_t dma_alloc_coherent_gfp_flags(struct device *dev, gfp_t gfp) return gfp; } +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + static inline void * -dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t gfp) +dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle, + gfp_t gfp, struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); void *memory; @@ -129,18 +132,21 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, if (!is_device_dma_capable(dev)) return NULL; - if (!ops->alloc_coherent) + if (!ops->alloc) return NULL; - memory = ops->alloc_coherent(dev, size, dma_handle, - dma_alloc_coherent_gfp_flags(dev, gfp)); + memory = ops->alloc(dev, size, dma_handle, + dma_alloc_coherent_gfp_flags(dev, gfp), attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, memory); return memory; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t bus) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *vaddr, dma_addr_t bus, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); @@ -150,8 +156,8 @@ static inline void dma_free_coherent(struct device *dev, size_t size, return; debug_dma_free_coherent(dev, size, vaddr, bus); - if (ops->free_coherent) - ops->free_coherent(dev, size, vaddr, bus); + if (ops->free) + ops->free(dev, size, vaddr, bus, attrs); } #endif diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 7284c9a6a0b5..4fa7dcceb6c0 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -974,16 +974,6 @@ extern bool cpu_has_amd_erratum(const int *); #define cpu_has_amd_erratum(x) (false) #endif /* CONFIG_CPU_SUP_AMD */ -#ifdef CONFIG_X86_32 -/* - * disable hlt during certain critical i/o operations - */ -#define HAVE_DISABLE_HLT -#endif - -void disable_hlt(void); -void enable_hlt(void); - void cpu_idle_wait(void); extern unsigned long arch_align_stack(unsigned long sp); diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h new file mode 100644 index 000000000000..6fe6767b7124 --- /dev/null +++ b/arch/x86/include/asm/word-at-a-time.h @@ -0,0 +1,46 @@ +#ifndef _ASM_WORD_AT_A_TIME_H +#define _ASM_WORD_AT_A_TIME_H + +/* + * This is largely generic for little-endian machines, but the + * optimal byte mask counting is probably going to be something + * that is architecture-specific. If you have a reliably fast + * bit count instruction, that might be better than the multiply + * and shift, for example. + */ + +#ifdef CONFIG_64BIT + +/* + * Jan Achrenius on G+: microoptimized version of + * the simpler "(mask & ONEBYTES) * ONEBYTES >> 56" + * that works for the bytemasks without having to + * mask them first. + */ +static inline long count_masked_bytes(unsigned long mask) +{ + return mask*0x0001020304050608ul >> 56; +} + +#else /* 32-bit case */ + +/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */ +static inline long count_masked_bytes(long mask) +{ + /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */ + long a = (0x0ff0001+mask) >> 23; + /* Fix the 1 for 00 case */ + return a & mask; +} + +#endif + +#define REPEAT_BYTE(x) ((~0ul / 0xff) * (x)) + +/* Return the high bit set in the first byte that is a zero */ +static inline unsigned long has_zero(unsigned long a) +{ + return ((a - REPEAT_BYTE(0x01)) & ~a) & REPEAT_BYTE(0x80); +} + +#endif /* _ASM_WORD_AT_A_TIME_H */ diff --git a/arch/x86/kernel/amd_gart_64.c b/arch/x86/kernel/amd_gart_64.c index b1e7c7f7a0af..e66311200cbd 100644 --- a/arch/x86/kernel/amd_gart_64.c +++ b/arch/x86/kernel/amd_gart_64.c @@ -477,7 +477,7 @@ error: /* allocate and map a coherent mapping */ static void * gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, - gfp_t flag) + gfp_t flag, struct dma_attrs *attrs) { dma_addr_t paddr; unsigned long align_mask; @@ -500,7 +500,8 @@ gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, } __free_pages(page, get_order(size)); } else - return dma_generic_alloc_coherent(dev, size, dma_addr, flag); + return dma_generic_alloc_coherent(dev, size, dma_addr, flag, + attrs); return NULL; } @@ -508,7 +509,7 @@ gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, /* free a coherent mapping */ static void gart_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_addr) + dma_addr_t dma_addr, struct dma_attrs *attrs) { gart_unmap_page(dev, dma_addr, size, DMA_BIDIRECTIONAL, NULL); free_pages((unsigned long)vaddr, get_order(size)); @@ -700,8 +701,8 @@ static struct dma_map_ops gart_dma_ops = { .unmap_sg = gart_unmap_sg, .map_page = gart_map_page, .unmap_page = gart_unmap_page, - .alloc_coherent = gart_alloc_coherent, - .free_coherent = gart_free_coherent, + .alloc = gart_alloc_coherent, + .free = gart_free_coherent, .mapping_error = gart_mapping_error, }; diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index ef484d9d0a25..a2dfacfd7103 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -1271,6 +1271,17 @@ done: return num ? -EINVAL : 0; } +PMU_FORMAT_ATTR(cccr, "config:0-31" ); +PMU_FORMAT_ATTR(escr, "config:32-62"); +PMU_FORMAT_ATTR(ht, "config:63" ); + +static struct attribute *intel_p4_formats_attr[] = { + &format_attr_cccr.attr, + &format_attr_escr.attr, + &format_attr_ht.attr, + NULL, +}; + static __initconst const struct x86_pmu p4_pmu = { .name = "Netburst P4/Xeon", .handle_irq = p4_pmu_handle_irq, @@ -1305,6 +1316,8 @@ static __initconst const struct x86_pmu p4_pmu = { * the former idea is taken from OProfile code */ .perfctr_second_write = 1, + + .format_attrs = intel_p4_formats_attr, }; __init int p4_pmu_init(void) diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 7943e0c21bde..3dafc6003b7c 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -282,8 +282,13 @@ void fixup_irqs(void) else if (!(warned++)) set_affinity = 0; + /* + * We unmask if the irq was not marked masked by the + * core code. That respects the lazy irq disable + * behaviour. + */ if (!irqd_can_move_in_process_context(data) && - !irqd_irq_disabled(data) && chip->irq_unmask) + !irqd_irq_masked(data) && chip->irq_unmask) chip->irq_unmask(data); raw_spin_unlock(&desc->lock); diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c index 90fcf62854bb..1d5d31ea686b 100644 --- a/arch/x86/kernel/kdebugfs.c +++ b/arch/x86/kernel/kdebugfs.c @@ -68,16 +68,9 @@ static ssize_t setup_data_read(struct file *file, char __user *user_buf, return count; } -static int setup_data_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations fops_setup_data = { .read = setup_data_read, - .open = setup_data_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index db6720edfdd0..8bfb6146f753 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -43,6 +43,8 @@ #include <linux/smp.h> #include <linux/nmi.h> #include <linux/hw_breakpoint.h> +#include <linux/uaccess.h> +#include <linux/memory.h> #include <asm/debugreg.h> #include <asm/apicdef.h> @@ -741,6 +743,64 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip) regs->ip = ip; } +int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) +{ + int err; + char opc[BREAK_INSTR_SIZE]; + + bpt->type = BP_BREAKPOINT; + err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr, + BREAK_INSTR_SIZE); + if (err) + return err; + err = probe_kernel_write((char *)bpt->bpt_addr, + arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); +#ifdef CONFIG_DEBUG_RODATA + if (!err) + return err; + /* + * It is safe to call text_poke() because normal kernel execution + * is stopped on all cores, so long as the text_mutex is not locked. + */ + if (mutex_is_locked(&text_mutex)) + return -EBUSY; + text_poke((void *)bpt->bpt_addr, arch_kgdb_ops.gdb_bpt_instr, + BREAK_INSTR_SIZE); + err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); + if (err) + return err; + if (memcmp(opc, arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE)) + return -EINVAL; + bpt->type = BP_POKE_BREAKPOINT; +#endif /* CONFIG_DEBUG_RODATA */ + return err; +} + +int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) +{ +#ifdef CONFIG_DEBUG_RODATA + int err; + char opc[BREAK_INSTR_SIZE]; + + if (bpt->type != BP_POKE_BREAKPOINT) + goto knl_write; + /* + * It is safe to call text_poke() because normal kernel execution + * is stopped on all cores, so long as the text_mutex is not locked. + */ + if (mutex_is_locked(&text_mutex)) + goto knl_write; + text_poke((void *)bpt->bpt_addr, bpt->saved_instr, BREAK_INSTR_SIZE); + err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); + if (err || memcmp(opc, bpt->saved_instr, BREAK_INSTR_SIZE)) + goto knl_write; + return err; +knl_write: +#endif /* CONFIG_DEBUG_RODATA */ + return probe_kernel_write((char *)bpt->bpt_addr, + (char *)bpt->saved_instr, BREAK_INSTR_SIZE); +} + struct kgdb_arch arch_kgdb_ops = { /* Breakpoint instruction: */ .gdb_bpt_instr = { 0xcc }, diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 694d801bf606..b8ba6e4a27e4 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -38,6 +38,7 @@ #include <asm/traps.h> #include <asm/desc.h> #include <asm/tlbflush.h> +#include <asm/idle.h> static int kvmapf = 1; @@ -253,7 +254,10 @@ do_async_page_fault(struct pt_regs *regs, unsigned long error_code) kvm_async_pf_task_wait((u32)read_cr2()); break; case KVM_PV_REASON_PAGE_READY: + rcu_irq_enter(); + exit_idle(); kvm_async_pf_task_wake((u32)read_cr2()); + rcu_irq_exit(); break; } } diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index 6ac5782f4d6b..d0b2fb9ccbb1 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c @@ -430,7 +430,7 @@ static void calgary_unmap_page(struct device *dev, dma_addr_t dma_addr, } static void* calgary_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag, struct dma_attrs *attrs) { void *ret = NULL; dma_addr_t mapping; @@ -463,7 +463,8 @@ error: } static void calgary_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { unsigned int npages; struct iommu_table *tbl = find_iommu_table(dev); @@ -476,8 +477,8 @@ static void calgary_free_coherent(struct device *dev, size_t size, } static struct dma_map_ops calgary_dma_ops = { - .alloc_coherent = calgary_alloc_coherent, - .free_coherent = calgary_free_coherent, + .alloc = calgary_alloc_coherent, + .free = calgary_free_coherent, .map_sg = calgary_map_sg, .unmap_sg = calgary_unmap_sg, .map_page = calgary_map_page, diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 28e5e06fcba4..3003250ac51d 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -96,7 +96,8 @@ void __init pci_iommu_alloc(void) } } void *dma_generic_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addr, gfp_t flag) + dma_addr_t *dma_addr, gfp_t flag, + struct dma_attrs *attrs) { unsigned long dma_mask; struct page *page; diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c index 3af4af810c07..f96050685b46 100644 --- a/arch/x86/kernel/pci-nommu.c +++ b/arch/x86/kernel/pci-nommu.c @@ -75,7 +75,7 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, } static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_addr) + dma_addr_t dma_addr, struct dma_attrs *attrs) { free_pages((unsigned long)vaddr, get_order(size)); } @@ -96,8 +96,8 @@ static void nommu_sync_sg_for_device(struct device *dev, } struct dma_map_ops nommu_dma_ops = { - .alloc_coherent = dma_generic_alloc_coherent, - .free_coherent = nommu_free_coherent, + .alloc = dma_generic_alloc_coherent, + .free = nommu_free_coherent, .map_sg = nommu_map_sg, .map_page = nommu_map_page, .sync_single_for_device = nommu_sync_single_for_device, diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c index 8f972cbddef0..6c483ba98b9c 100644 --- a/arch/x86/kernel/pci-swiotlb.c +++ b/arch/x86/kernel/pci-swiotlb.c @@ -15,21 +15,30 @@ int swiotlb __read_mostly; static void *x86_swiotlb_alloc_coherent(struct device *hwdev, size_t size, - dma_addr_t *dma_handle, gfp_t flags) + dma_addr_t *dma_handle, gfp_t flags, + struct dma_attrs *attrs) { void *vaddr; - vaddr = dma_generic_alloc_coherent(hwdev, size, dma_handle, flags); + vaddr = dma_generic_alloc_coherent(hwdev, size, dma_handle, flags, + attrs); if (vaddr) return vaddr; return swiotlb_alloc_coherent(hwdev, size, dma_handle, flags); } +static void x86_swiotlb_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_addr, + struct dma_attrs *attrs) +{ + swiotlb_free_coherent(dev, size, vaddr, dma_addr); +} + static struct dma_map_ops swiotlb_dma_ops = { .mapping_error = swiotlb_dma_mapping_error, - .alloc_coherent = x86_swiotlb_alloc_coherent, - .free_coherent = swiotlb_free_coherent, + .alloc = x86_swiotlb_alloc_coherent, + .free = x86_swiotlb_free_coherent, .sync_single_for_cpu = swiotlb_sync_single_for_cpu, .sync_single_for_device = swiotlb_sync_single_for_device, .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu, diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index a33afaa5ddb7..1d92a5ab6e8b 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -362,34 +362,10 @@ void (*pm_idle)(void); EXPORT_SYMBOL(pm_idle); #endif -#ifdef CONFIG_X86_32 -/* - * This halt magic was a workaround for ancient floppy DMA - * wreckage. It should be safe to remove. - */ -static int hlt_counter; -void disable_hlt(void) -{ - hlt_counter++; -} -EXPORT_SYMBOL(disable_hlt); - -void enable_hlt(void) -{ - hlt_counter--; -} -EXPORT_SYMBOL(enable_hlt); - -static inline int hlt_use_halt(void) -{ - return (!hlt_counter && boot_cpu_data.hlt_works_ok); -} -#else static inline int hlt_use_halt(void) { return 1; } -#endif #ifndef CONFIG_SMP static inline void play_dead(void) diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index a73f0c104813..173df38dbda5 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -369,7 +369,7 @@ int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data) case MSR_CORE_PERF_FIXED_CTR_CTRL: if (pmu->fixed_ctr_ctrl == data) return 0; - if (!(data & 0xfffffffffffff444)) { + if (!(data & 0xfffffffffffff444ull)) { reprogram_fixed_counters(pmu, data); return 0; } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 280751c84724..ad85adfef843 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3906,7 +3906,9 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu) vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid); vmx->vcpu.arch.cr0 = X86_CR0_NW | X86_CR0_CD | X86_CR0_ET; + vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu); vmx_set_cr0(&vmx->vcpu, kvm_read_cr0(vcpu)); /* enter rmode */ + srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); vmx_set_cr4(&vmx->vcpu, 0); vmx_set_efer(&vmx->vcpu, 0); vmx_fpu_activate(&vmx->vcpu); diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S index 66870223f8c5..877b9a1b2152 100644 --- a/arch/x86/net/bpf_jit.S +++ b/arch/x86/net/bpf_jit.S @@ -18,17 +18,17 @@ * r9d : hlen = skb->len - skb->data_len */ #define SKBDATA %r8 - -sk_load_word_ind: - .globl sk_load_word_ind - - add %ebx,%esi /* offset += X */ -# test %esi,%esi /* if (offset < 0) goto bpf_error; */ - js bpf_error +#define SKF_MAX_NEG_OFF $(-0x200000) /* SKF_LL_OFF from filter.h */ sk_load_word: .globl sk_load_word + test %esi,%esi + js bpf_slow_path_word_neg + +sk_load_word_positive_offset: + .globl sk_load_word_positive_offset + mov %r9d,%eax # hlen sub %esi,%eax # hlen - offset cmp $3,%eax @@ -37,16 +37,15 @@ sk_load_word: bswap %eax /* ntohl() */ ret - -sk_load_half_ind: - .globl sk_load_half_ind - - add %ebx,%esi /* offset += X */ - js bpf_error - sk_load_half: .globl sk_load_half + test %esi,%esi + js bpf_slow_path_half_neg + +sk_load_half_positive_offset: + .globl sk_load_half_positive_offset + mov %r9d,%eax sub %esi,%eax # hlen - offset cmp $1,%eax @@ -55,14 +54,15 @@ sk_load_half: rol $8,%ax # ntohs() ret -sk_load_byte_ind: - .globl sk_load_byte_ind - add %ebx,%esi /* offset += X */ - js bpf_error - sk_load_byte: .globl sk_load_byte + test %esi,%esi + js bpf_slow_path_byte_neg + +sk_load_byte_positive_offset: + .globl sk_load_byte_positive_offset + cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte */ jle bpf_slow_path_byte movzbl (SKBDATA,%rsi),%eax @@ -73,25 +73,21 @@ sk_load_byte: * * Implements BPF_S_LDX_B_MSH : ldxb 4*([offset]&0xf) * Must preserve A accumulator (%eax) - * Inputs : %esi is the offset value, already known positive + * Inputs : %esi is the offset value */ -ENTRY(sk_load_byte_msh) - CFI_STARTPROC +sk_load_byte_msh: + .globl sk_load_byte_msh + test %esi,%esi + js bpf_slow_path_byte_msh_neg + +sk_load_byte_msh_positive_offset: + .globl sk_load_byte_msh_positive_offset cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte_msh */ jle bpf_slow_path_byte_msh movzbl (SKBDATA,%rsi),%ebx and $15,%bl shl $2,%bl ret - CFI_ENDPROC -ENDPROC(sk_load_byte_msh) - -bpf_error: -# force a return 0 from jit handler - xor %eax,%eax - mov -8(%rbp),%rbx - leaveq - ret /* rsi contains offset and can be scratched */ #define bpf_slow_path_common(LEN) \ @@ -138,3 +134,67 @@ bpf_slow_path_byte_msh: shl $2,%al xchg %eax,%ebx ret + +#define sk_negative_common(SIZE) \ + push %rdi; /* save skb */ \ + push %r9; \ + push SKBDATA; \ +/* rsi already has offset */ \ + mov $SIZE,%ecx; /* size */ \ + call bpf_internal_load_pointer_neg_helper; \ + test %rax,%rax; \ + pop SKBDATA; \ + pop %r9; \ + pop %rdi; \ + jz bpf_error + + +bpf_slow_path_word_neg: + cmp SKF_MAX_NEG_OFF, %esi /* test range */ + jl bpf_error /* offset lower -> error */ +sk_load_word_negative_offset: + .globl sk_load_word_negative_offset + sk_negative_common(4) + mov (%rax), %eax + bswap %eax + ret + +bpf_slow_path_half_neg: + cmp SKF_MAX_NEG_OFF, %esi + jl bpf_error +sk_load_half_negative_offset: + .globl sk_load_half_negative_offset + sk_negative_common(2) + mov (%rax),%ax + rol $8,%ax + movzwl %ax,%eax + ret + +bpf_slow_path_byte_neg: + cmp SKF_MAX_NEG_OFF, %esi + jl bpf_error +sk_load_byte_negative_offset: + .globl sk_load_byte_negative_offset + sk_negative_common(1) + movzbl (%rax), %eax + ret + +bpf_slow_path_byte_msh_neg: + cmp SKF_MAX_NEG_OFF, %esi + jl bpf_error +sk_load_byte_msh_negative_offset: + .globl sk_load_byte_msh_negative_offset + xchg %eax,%ebx /* dont lose A , X is about to be scratched */ + sk_negative_common(1) + movzbl (%rax),%eax + and $15,%al + shl $2,%al + xchg %eax,%ebx + ret + +bpf_error: +# force a return 0 from jit handler + xor %eax,%eax + mov -8(%rbp),%rbx + leaveq + ret diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 5671752f8d9c..0597f95b6da6 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -30,7 +30,10 @@ int bpf_jit_enable __read_mostly; * assembly code in arch/x86/net/bpf_jit.S */ extern u8 sk_load_word[], sk_load_half[], sk_load_byte[], sk_load_byte_msh[]; -extern u8 sk_load_word_ind[], sk_load_half_ind[], sk_load_byte_ind[]; +extern u8 sk_load_word_positive_offset[], sk_load_half_positive_offset[]; +extern u8 sk_load_byte_positive_offset[], sk_load_byte_msh_positive_offset[]; +extern u8 sk_load_word_negative_offset[], sk_load_half_negative_offset[]; +extern u8 sk_load_byte_negative_offset[], sk_load_byte_msh_negative_offset[]; static inline u8 *emit_code(u8 *ptr, u32 bytes, unsigned int len) { @@ -117,6 +120,8 @@ static inline void bpf_flush_icache(void *start, void *end) set_fs(old_fs); } +#define CHOOSE_LOAD_FUNC(K, func) \ + ((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative_offset : func) : func##_positive_offset) void bpf_jit_compile(struct sk_filter *fp) { @@ -289,7 +294,7 @@ void bpf_jit_compile(struct sk_filter *fp) EMIT2(0x24, K & 0xFF); /* and imm8,%al */ } else if (K >= 0xFFFF0000) { EMIT2(0x66, 0x25); /* and imm16,%ax */ - EMIT2(K, 2); + EMIT(K, 2); } else { EMIT1_off32(0x25, K); /* and imm32,%eax */ } @@ -473,44 +478,46 @@ void bpf_jit_compile(struct sk_filter *fp) #endif break; case BPF_S_LD_W_ABS: - func = sk_load_word; + func = CHOOSE_LOAD_FUNC(K, sk_load_word); common_load: seen |= SEEN_DATAREF; - if ((int)K < 0) { - /* Abort the JIT because __load_pointer() is needed. */ - goto out; - } t_offset = func - (image + addrs[i]); EMIT1_off32(0xbe, K); /* mov imm32,%esi */ EMIT1_off32(0xe8, t_offset); /* call */ break; case BPF_S_LD_H_ABS: - func = sk_load_half; + func = CHOOSE_LOAD_FUNC(K, sk_load_half); goto common_load; case BPF_S_LD_B_ABS: - func = sk_load_byte; + func = CHOOSE_LOAD_FUNC(K, sk_load_byte); goto common_load; case BPF_S_LDX_B_MSH: - if ((int)K < 0) { - /* Abort the JIT because __load_pointer() is needed. */ - goto out; - } + func = CHOOSE_LOAD_FUNC(K, sk_load_byte_msh); seen |= SEEN_DATAREF | SEEN_XREG; - t_offset = sk_load_byte_msh - (image + addrs[i]); + t_offset = func - (image + addrs[i]); EMIT1_off32(0xbe, K); /* mov imm32,%esi */ EMIT1_off32(0xe8, t_offset); /* call sk_load_byte_msh */ break; case BPF_S_LD_W_IND: - func = sk_load_word_ind; + func = sk_load_word; common_load_ind: seen |= SEEN_DATAREF | SEEN_XREG; t_offset = func - (image + addrs[i]); - EMIT1_off32(0xbe, K); /* mov imm32,%esi */ + if (K) { + if (is_imm8(K)) { + EMIT3(0x8d, 0x73, K); /* lea imm8(%rbx), %esi */ + } else { + EMIT2(0x8d, 0xb3); /* lea imm32(%rbx),%esi */ + EMIT(K, 4); + } + } else { + EMIT2(0x89,0xde); /* mov %ebx,%esi */ + } EMIT1_off32(0xe8, t_offset); /* call sk_load_xxx_ind */ break; case BPF_S_LD_H_IND: - func = sk_load_half_ind; + func = sk_load_half; goto common_load_ind; case BPF_S_LD_B_IND: - func = sk_load_byte_ind; + func = sk_load_byte; goto common_load_ind; case BPF_S_JMP_JA: t_offset = addrs[i + K] - addrs[i]; diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 47936830968c..218cdb16163c 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -225,13 +225,13 @@ static void __restore_processor_state(struct saved_context *ctxt) fix_processor_context(); do_fpu_end(); + x86_platform.restore_sched_clock_state(); mtrr_bp_restore(); } /* Needed by apm.c */ void restore_processor_state(void) { - x86_platform.restore_sched_clock_state(); __restore_processor_state(&saved_context); } #ifdef CONFIG_X86_32 diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index b132ade26f77..4f51bebac02c 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -967,7 +967,7 @@ void xen_setup_shared_info(void) xen_setup_mfn_list_list(); } -/* This is called once we have the cpu_possible_map */ +/* This is called once we have the cpu_possible_mask */ void xen_setup_vcpu_info_placement(void) { int cpu; diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 988828b479ed..b8e279479a6b 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1859,6 +1859,7 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, #endif /* CONFIG_X86_64 */ static unsigned char dummy_mapping[PAGE_SIZE] __page_aligned_bss; +static unsigned char fake_ioapic_mapping[PAGE_SIZE] __page_aligned_bss; static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot) { @@ -1899,7 +1900,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot) * We just don't map the IO APIC - all access is via * hypercalls. Keep the address in the pte for reference. */ - pte = pfn_pte(PFN_DOWN(__pa(dummy_mapping)), PAGE_KERNEL); + pte = pfn_pte(PFN_DOWN(__pa(fake_ioapic_mapping)), PAGE_KERNEL); break; #endif @@ -2064,6 +2065,7 @@ void __init xen_init_mmu_ops(void) pv_mmu_ops = xen_mmu_ops; memset(dummy_mapping, 0xff, PAGE_SIZE); + memset(fake_ioapic_mapping, 0xfd, PAGE_SIZE); } /* Protected by xen_reservation_lock. */ diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c index b480d4207a4c..967633ad98c4 100644 --- a/arch/x86/xen/pci-swiotlb-xen.c +++ b/arch/x86/xen/pci-swiotlb-xen.c @@ -12,8 +12,8 @@ int xen_swiotlb __read_mostly; static struct dma_map_ops xen_swiotlb_dma_ops = { .mapping_error = xen_swiotlb_dma_mapping_error, - .alloc_coherent = xen_swiotlb_alloc_coherent, - .free_coherent = xen_swiotlb_free_coherent, + .alloc = xen_swiotlb_alloc_coherent, + .free = xen_swiotlb_free_coherent, .sync_single_for_cpu = xen_swiotlb_sync_single_for_cpu, .sync_single_for_device = xen_swiotlb_sync_single_for_device, .sync_sg_for_cpu = xen_swiotlb_sync_sg_for_cpu, diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 02900e8ce26c..5fac6919b957 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -59,7 +59,7 @@ static irqreturn_t xen_reschedule_interrupt(int irq, void *dev_id) static void __cpuinit cpu_bringup(void) { - int cpu = smp_processor_id(); + int cpu; cpu_init(); touch_softlockup_watchdog(); diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index a0f768c1d9aa..8d3a056ebeea 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -613,8 +613,7 @@ out: return err; } -static struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, - u32 mask) +struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, u32 mask) { struct crypto_alg *alg; @@ -652,6 +651,7 @@ static struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, return ERR_PTR(crypto_givcipher_default(alg, type, mask)); } +EXPORT_SYMBOL_GPL(crypto_lookup_skcipher); int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name, u32 type, u32 mask) diff --git a/crypto/aead.c b/crypto/aead.c index 04add3dca6fe..e4cb35159be4 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -470,8 +470,7 @@ out: return err; } -static struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, - u32 mask) +struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask) { struct crypto_alg *alg; @@ -503,6 +502,7 @@ static struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, return ERR_PTR(crypto_nivaead_default(alg, type, mask)); } +EXPORT_SYMBOL_GPL(crypto_lookup_aead); int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name, u32 type, u32 mask) diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index f76e42bcc6e7..f1ea0a064135 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -21,9 +21,13 @@ #include <linux/module.h> #include <linux/crypto.h> #include <linux/cryptouser.h> +#include <linux/sched.h> #include <net/netlink.h> #include <linux/security.h> #include <net/net_namespace.h> +#include <crypto/internal/aead.h> +#include <crypto/internal/skcipher.h> + #include "internal.h" DEFINE_MUTEX(crypto_cfg_mutex); @@ -301,6 +305,60 @@ static int crypto_del_alg(struct sk_buff *skb, struct nlmsghdr *nlh, return crypto_unregister_instance(alg); } +static struct crypto_alg *crypto_user_skcipher_alg(const char *name, u32 type, + u32 mask) +{ + int err; + struct crypto_alg *alg; + + type = crypto_skcipher_type(type); + mask = crypto_skcipher_mask(mask); + + for (;;) { + alg = crypto_lookup_skcipher(name, type, mask); + if (!IS_ERR(alg)) + return alg; + + err = PTR_ERR(alg); + if (err != -EAGAIN) + break; + if (signal_pending(current)) { + err = -EINTR; + break; + } + } + + return ERR_PTR(err); +} + +static struct crypto_alg *crypto_user_aead_alg(const char *name, u32 type, + u32 mask) +{ + int err; + struct crypto_alg *alg; + + type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); + type |= CRYPTO_ALG_TYPE_AEAD; + mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); + mask |= CRYPTO_ALG_TYPE_MASK; + + for (;;) { + alg = crypto_lookup_aead(name, type, mask); + if (!IS_ERR(alg)) + return alg; + + err = PTR_ERR(alg); + if (err != -EAGAIN) + break; + if (signal_pending(current)) { + err = -EINTR; + break; + } + } + + return ERR_PTR(err); +} + static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh, struct nlattr **attrs) { @@ -325,7 +383,19 @@ static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh, else name = p->cru_name; - alg = crypto_alg_mod_lookup(name, p->cru_type, p->cru_mask); + switch (p->cru_type & p->cru_mask & CRYPTO_ALG_TYPE_MASK) { + case CRYPTO_ALG_TYPE_AEAD: + alg = crypto_user_aead_alg(name, p->cru_type, p->cru_mask); + break; + case CRYPTO_ALG_TYPE_GIVCIPHER: + case CRYPTO_ALG_TYPE_BLKCIPHER: + case CRYPTO_ALG_TYPE_ABLKCIPHER: + alg = crypto_user_skcipher_alg(name, p->cru_type, p->cru_mask); + break; + default: + alg = crypto_alg_mod_lookup(name, p->cru_type, p->cru_mask); + } + if (IS_ERR(alg)) return PTR_ERR(alg); @@ -387,12 +457,20 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if ((type == (CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE) && (nlh->nlmsg_flags & NLM_F_DUMP))) { + struct crypto_alg *alg; + u16 dump_alloc = 0; + if (link->dump == NULL) return -EINVAL; + + list_for_each_entry(alg, &crypto_alg_list, cra_list) + dump_alloc += CRYPTO_REPORT_MAXSIZE; + { struct netlink_dump_control c = { .dump = link->dump, .done = link->done, + .min_dump_alloc = dump_alloc, }; return netlink_dump_start(crypto_nlsk, skb, nlh, &c); } diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 29a89dad68b6..b2c99dc1c5e2 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -280,11 +280,11 @@ static int pcrypt_aead_init_tfm(struct crypto_tfm *tfm) ictx->tfm_count++; - cpu_index = ictx->tfm_count % cpumask_weight(cpu_active_mask); + cpu_index = ictx->tfm_count % cpumask_weight(cpu_online_mask); - ctx->cb_cpu = cpumask_first(cpu_active_mask); + ctx->cb_cpu = cpumask_first(cpu_online_mask); for (cpu = 0; cpu < cpu_index; cpu++) - ctx->cb_cpu = cpumask_next(ctx->cb_cpu, cpu_active_mask); + ctx->cb_cpu = cpumask_next(ctx->cb_cpu, cpu_online_mask); cipher = crypto_spawn_aead(crypto_instance_ctx(inst)); @@ -472,7 +472,7 @@ static int pcrypt_init_padata(struct padata_pcrypt *pcrypt, goto err_free_padata; } - cpumask_and(mask->mask, cpu_possible_mask, cpu_active_mask); + cpumask_and(mask->mask, cpu_possible_mask, cpu_online_mask); rcu_assign_pointer(pcrypt->cb_cpumask, mask); pcrypt->nblock.notifier_call = pcrypt_cpumask_change_notify; diff --git a/drivers/Kconfig b/drivers/Kconfig index 6f0459cb745b..d236aef7e59f 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -50,6 +50,8 @@ source "drivers/i2c/Kconfig" source "drivers/spi/Kconfig" +source "drivers/hsi/Kconfig" + source "drivers/pps/Kconfig" source "drivers/ptp/Kconfig" diff --git a/drivers/Makefile b/drivers/Makefile index 262b19d6b627..95952c82bf16 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -53,6 +53,7 @@ obj-$(CONFIG_ATA) += ata/ obj-$(CONFIG_TARGET_CORE) += target/ obj-$(CONFIG_MTD) += mtd/ obj-$(CONFIG_SPI) += spi/ +obj-y += hsi/ obj-y += net/ obj-$(CONFIG_ATM) += atm/ obj-$(CONFIG_FUSION) += message/ diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c index b258cab9061c..7586544fddb4 100644 --- a/drivers/acpi/ec_sys.c +++ b/drivers/acpi/ec_sys.c @@ -27,12 +27,6 @@ MODULE_PARM_DESC(write_support, "Dangerous, reboot and removal of battery may " static struct dentry *acpi_ec_debugfs_dir; -static int acpi_ec_open_io(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - static ssize_t acpi_ec_read_io(struct file *f, char __user *buf, size_t count, loff_t *off) { @@ -95,7 +89,7 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf, static const struct file_operations acpi_ec_io_ops = { .owner = THIS_MODULE, - .open = acpi_ec_open_io, + .open = simple_open, .read = acpi_ec_read_io, .write = acpi_ec_write_io, .llseek = default_llseek, diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index b3447f63e46b..f3decb30223f 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -786,7 +786,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index) while (1) { if (cx->entry_method == ACPI_CSTATE_HALT) - halt(); + safe_halt(); else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) { inb(cx->address); /* See comment in acpi_idle_do_entry() */ diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 6c9387d646ec..5401814c874d 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -16,10 +16,11 @@ #include <linux/interrupt.h> #include <linux/bitops.h> #include <linux/mutex.h> -#include <linux/kthread.h> +#include <linux/workqueue.h> #include <linux/highmem.h> #include <linux/firmware.h> #include <linux/slab.h> +#include <linux/sched.h> #define to_dev(obj) container_of(obj, struct device, kobj) @@ -81,6 +82,11 @@ enum { static int loading_timeout = 60; /* In seconds */ +static inline long firmware_loading_timeout(void) +{ + return loading_timeout > 0 ? loading_timeout * HZ : MAX_SCHEDULE_TIMEOUT; +} + /* fw_lock could be moved to 'struct firmware_priv' but since it is just * guarding for corner cases a global lock should be OK */ static DEFINE_MUTEX(fw_lock); @@ -440,13 +446,11 @@ fw_create_instance(struct firmware *firmware, const char *fw_name, { struct firmware_priv *fw_priv; struct device *f_dev; - int error; fw_priv = kzalloc(sizeof(*fw_priv) + strlen(fw_name) + 1 , GFP_KERNEL); if (!fw_priv) { dev_err(device, "%s: kmalloc failed\n", __func__); - error = -ENOMEM; - goto err_out; + return ERR_PTR(-ENOMEM); } fw_priv->fw = firmware; @@ -463,98 +467,80 @@ fw_create_instance(struct firmware *firmware, const char *fw_name, f_dev->parent = device; f_dev->class = &firmware_class; - dev_set_uevent_suppress(f_dev, true); - - /* Need to pin this module until class device is destroyed */ - __module_get(THIS_MODULE); - - error = device_add(f_dev); - if (error) { - dev_err(device, "%s: device_register failed\n", __func__); - goto err_put_dev; - } - - error = device_create_bin_file(f_dev, &firmware_attr_data); - if (error) { - dev_err(device, "%s: sysfs_create_bin_file failed\n", __func__); - goto err_del_dev; - } - - error = device_create_file(f_dev, &dev_attr_loading); - if (error) { - dev_err(device, "%s: device_create_file failed\n", __func__); - goto err_del_bin_attr; - } - - if (uevent) - dev_set_uevent_suppress(f_dev, false); - return fw_priv; - -err_del_bin_attr: - device_remove_bin_file(f_dev, &firmware_attr_data); -err_del_dev: - device_del(f_dev); -err_put_dev: - put_device(f_dev); -err_out: - return ERR_PTR(error); } -static void fw_destroy_instance(struct firmware_priv *fw_priv) -{ - struct device *f_dev = &fw_priv->dev; - - device_remove_file(f_dev, &dev_attr_loading); - device_remove_bin_file(f_dev, &firmware_attr_data); - device_unregister(f_dev); -} - -static int _request_firmware(const struct firmware **firmware_p, - const char *name, struct device *device, - bool uevent, bool nowait) +static struct firmware_priv * +_request_firmware_prepare(const struct firmware **firmware_p, const char *name, + struct device *device, bool uevent, bool nowait) { - struct firmware_priv *fw_priv; struct firmware *firmware; - int retval = 0; + struct firmware_priv *fw_priv; if (!firmware_p) - return -EINVAL; + return ERR_PTR(-EINVAL); *firmware_p = firmware = kzalloc(sizeof(*firmware), GFP_KERNEL); if (!firmware) { dev_err(device, "%s: kmalloc(struct firmware) failed\n", __func__); - return -ENOMEM; + return ERR_PTR(-ENOMEM); } if (fw_get_builtin_firmware(firmware, name)) { dev_dbg(device, "firmware: using built-in firmware %s\n", name); - return 0; + return NULL; + } + + fw_priv = fw_create_instance(firmware, name, device, uevent, nowait); + if (IS_ERR(fw_priv)) { + release_firmware(firmware); + *firmware_p = NULL; } + return fw_priv; +} - read_lock_usermodehelper(); +static void _request_firmware_cleanup(const struct firmware **firmware_p) +{ + release_firmware(*firmware_p); + *firmware_p = NULL; +} - if (WARN_ON(usermodehelper_is_disabled())) { - dev_err(device, "firmware: %s will not be loaded\n", name); - retval = -EBUSY; - goto out; +static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent, + long timeout) +{ + int retval = 0; + struct device *f_dev = &fw_priv->dev; + + dev_set_uevent_suppress(f_dev, true); + + /* Need to pin this module until class device is destroyed */ + __module_get(THIS_MODULE); + + retval = device_add(f_dev); + if (retval) { + dev_err(f_dev, "%s: device_register failed\n", __func__); + goto err_put_dev; } - if (uevent) - dev_dbg(device, "firmware: requesting %s\n", name); + retval = device_create_bin_file(f_dev, &firmware_attr_data); + if (retval) { + dev_err(f_dev, "%s: sysfs_create_bin_file failed\n", __func__); + goto err_del_dev; + } - fw_priv = fw_create_instance(firmware, name, device, uevent, nowait); - if (IS_ERR(fw_priv)) { - retval = PTR_ERR(fw_priv); - goto out; + retval = device_create_file(f_dev, &dev_attr_loading); + if (retval) { + dev_err(f_dev, "%s: device_create_file failed\n", __func__); + goto err_del_bin_attr; } if (uevent) { - if (loading_timeout > 0) + dev_set_uevent_suppress(f_dev, false); + dev_dbg(f_dev, "firmware: requesting %s\n", fw_priv->fw_id); + if (timeout != MAX_SCHEDULE_TIMEOUT) mod_timer(&fw_priv->timeout, - round_jiffies_up(jiffies + - loading_timeout * HZ)); + round_jiffies_up(jiffies + timeout)); kobject_uevent(&fw_priv->dev.kobj, KOBJ_ADD); } @@ -570,16 +556,13 @@ static int _request_firmware(const struct firmware **firmware_p, fw_priv->fw = NULL; mutex_unlock(&fw_lock); - fw_destroy_instance(fw_priv); - -out: - read_unlock_usermodehelper(); - - if (retval) { - release_firmware(firmware); - *firmware_p = NULL; - } - + device_remove_file(f_dev, &dev_attr_loading); +err_del_bin_attr: + device_remove_bin_file(f_dev, &firmware_attr_data); +err_del_dev: + device_del(f_dev); +err_put_dev: + put_device(f_dev); return retval; } @@ -602,7 +585,26 @@ int request_firmware(const struct firmware **firmware_p, const char *name, struct device *device) { - return _request_firmware(firmware_p, name, device, true, false); + struct firmware_priv *fw_priv; + int ret; + + fw_priv = _request_firmware_prepare(firmware_p, name, device, true, + false); + if (IS_ERR_OR_NULL(fw_priv)) + return PTR_RET(fw_priv); + + ret = usermodehelper_read_trylock(); + if (WARN_ON(ret)) { + dev_err(device, "firmware: %s will not be loaded\n", name); + } else { + ret = _request_firmware_load(fw_priv, true, + firmware_loading_timeout()); + usermodehelper_read_unlock(); + } + if (ret) + _request_firmware_cleanup(firmware_p); + + return ret; } /** @@ -629,25 +631,39 @@ struct firmware_work { bool uevent; }; -static int request_firmware_work_func(void *arg) +static void request_firmware_work_func(struct work_struct *work) { - struct firmware_work *fw_work = arg; + struct firmware_work *fw_work; const struct firmware *fw; + struct firmware_priv *fw_priv; + long timeout; int ret; - if (!arg) { - WARN_ON(1); - return 0; + fw_work = container_of(work, struct firmware_work, work); + fw_priv = _request_firmware_prepare(&fw, fw_work->name, fw_work->device, + fw_work->uevent, true); + if (IS_ERR_OR_NULL(fw_priv)) { + ret = PTR_RET(fw_priv); + goto out; + } + + timeout = usermodehelper_read_lock_wait(firmware_loading_timeout()); + if (timeout) { + ret = _request_firmware_load(fw_priv, fw_work->uevent, timeout); + usermodehelper_read_unlock(); + } else { + dev_dbg(fw_work->device, "firmware: %s loading timed out\n", + fw_work->name); + ret = -EAGAIN; } + if (ret) + _request_firmware_cleanup(&fw); - ret = _request_firmware(&fw, fw_work->name, fw_work->device, - fw_work->uevent, true); + out: fw_work->cont(fw, fw_work->context); module_put(fw_work->module); kfree(fw_work); - - return ret; } /** @@ -673,7 +689,6 @@ request_firmware_nowait( const char *name, struct device *device, gfp_t gfp, void *context, void (*cont)(const struct firmware *fw, void *context)) { - struct task_struct *task; struct firmware_work *fw_work; fw_work = kzalloc(sizeof (struct firmware_work), gfp); @@ -692,15 +707,8 @@ request_firmware_nowait( return -EFAULT; } - task = kthread_run(request_firmware_work_func, fw_work, - "firmware/%s", name); - if (IS_ERR(task)) { - fw_work->cont(NULL, fw_work->context); - module_put(fw_work->module); - kfree(fw_work); - return PTR_ERR(task); - } - + INIT_WORK(&fw_work->work, request_firmware_work_func); + schedule_work(&fw_work->work); return 0; } diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 541f821d4ea6..bd0f3949bcf9 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -532,6 +532,8 @@ static int rpm_suspend(struct device *dev, int rpmflags) dev->power.suspend_time = ktime_set(0, 0); dev->power.max_time_suspended_ns = -1; dev->power.deferred_resume = false; + wake_up_all(&dev->power.wait_queue); + if (retval == -EAGAIN || retval == -EBUSY) { dev->power.runtime_error = 0; @@ -547,7 +549,6 @@ static int rpm_suspend(struct device *dev, int rpmflags) } else { pm_runtime_cancel_pending(dev); } - wake_up_all(&dev->power.wait_queue); goto out; } diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 5157fa04c2f0..92b779ee002b 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -138,6 +138,7 @@ static int rbtree_show(struct seq_file *s, void *ignored) unsigned int base, top; int nodes = 0; int registers = 0; + int average; mutex_lock(&map->lock); @@ -152,8 +153,13 @@ static int rbtree_show(struct seq_file *s, void *ignored) registers += top - base + 1; } + if (nodes) + average = registers / nodes; + else + average = 0; + seq_printf(s, "%d nodes, %d registers, average %d registers\n", - nodes, registers, registers / nodes); + nodes, registers, average); mutex_unlock(&map->lock); @@ -396,7 +402,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min, map->cache_word_size); /* Is this the hardware default? If so skip. */ - ret = regcache_lookup_reg(map, i); + ret = regcache_lookup_reg(map, regtmp); if (ret >= 0 && val == map->reg_defaults[ret].def) continue; diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 87f54dbf601b..74b69095def6 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -346,6 +346,7 @@ out: return ret; } +EXPORT_SYMBOL_GPL(regcache_sync_region); /** * regcache_cache_only: Put a register map into cache only mode diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 58517a5dac13..251eb70f83e7 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -27,12 +27,6 @@ static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size) return strlen(buf); } -static int regmap_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t regmap_name_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -57,7 +51,7 @@ static ssize_t regmap_name_read_file(struct file *file, } static const struct file_operations regmap_name_fops = { - .open = regmap_open_file, + .open = simple_open, .read = regmap_name_read_file, .llseek = default_llseek, }; @@ -174,7 +168,7 @@ static ssize_t regmap_map_write_file(struct file *file, #endif static const struct file_operations regmap_map_fops = { - .open = regmap_open_file, + .open = simple_open, .read = regmap_map_read_file, .write = regmap_map_write_file, .llseek = default_llseek, @@ -243,7 +237,7 @@ out: } static const struct file_operations regmap_access_fops = { - .open = regmap_open_file, + .open = simple_open, .read = regmap_access_read_file, .llseek = default_llseek, }; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 76a08236430a..b0b00d70c166 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -1030,37 +1030,6 @@ static int fd_wait_for_completion(unsigned long delay, timeout_fn function) return 0; } -static DEFINE_SPINLOCK(floppy_hlt_lock); -static int hlt_disabled; -static void floppy_disable_hlt(void) -{ - unsigned long flags; - - WARN_ONCE(1, "floppy_disable_hlt() scheduled for removal in 2012"); - spin_lock_irqsave(&floppy_hlt_lock, flags); - if (!hlt_disabled) { - hlt_disabled = 1; -#ifdef HAVE_DISABLE_HLT - disable_hlt(); -#endif - } - spin_unlock_irqrestore(&floppy_hlt_lock, flags); -} - -static void floppy_enable_hlt(void) -{ - unsigned long flags; - - spin_lock_irqsave(&floppy_hlt_lock, flags); - if (hlt_disabled) { - hlt_disabled = 0; -#ifdef HAVE_DISABLE_HLT - enable_hlt(); -#endif - } - spin_unlock_irqrestore(&floppy_hlt_lock, flags); -} - static void setup_DMA(void) { unsigned long f; @@ -1105,7 +1074,6 @@ static void setup_DMA(void) fd_enable_dma(); release_dma_lock(f); #endif - floppy_disable_hlt(); } static void show_floppy(void); @@ -1707,7 +1675,6 @@ irqreturn_t floppy_interrupt(int irq, void *dev_id) fd_disable_dma(); release_dma_lock(f); - floppy_enable_hlt(); do_floppy = NULL; if (fdc >= N_FDC || FDCS->address == -1) { /* we don't even know which FDC is the culprit */ @@ -1856,8 +1823,6 @@ static void floppy_shutdown(unsigned long data) show_floppy(); cancel_activity(); - floppy_enable_hlt(); - flags = claim_dma_lock(); fd_disable_dma(); release_dma_lock(flags); @@ -4508,7 +4473,6 @@ static void floppy_release_irq_and_dma(void) #if N_FDC > 1 set_dor(1, ~8, 0); #endif - floppy_enable_hlt(); if (floppy_track_buffer && max_buffer_sectors) { tmpsize = max_buffer_sectors * 1024; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index d5e1ab956740..98cbeba8cd53 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1475,7 +1475,7 @@ static int __init xlblk_init(void) if (!xen_domain()) return -ENODEV; - if (!xen_platform_pci_unplug) + if (xen_hvm_domain() && !xen_platform_pci_unplug) return -ENODEV; if (register_blkdev(XENVBD_MAJOR, DEV_NAME)) { diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c index 6c20bbb54b71..428dbb7574bd 100644 --- a/drivers/bluetooth/btmrvl_debugfs.c +++ b/drivers/bluetooth/btmrvl_debugfs.c @@ -45,12 +45,6 @@ struct btmrvl_debugfs_data { struct dentry *txdnldready; }; -static int btmrvl_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t btmrvl_hscfgcmd_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { @@ -93,7 +87,7 @@ static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_hscfgcmd_fops = { .read = btmrvl_hscfgcmd_read, .write = btmrvl_hscfgcmd_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -134,7 +128,7 @@ static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_psmode_fops = { .read = btmrvl_psmode_read, .write = btmrvl_psmode_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -180,7 +174,7 @@ static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_pscmd_fops = { .read = btmrvl_pscmd_read, .write = btmrvl_pscmd_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -221,7 +215,7 @@ static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_gpiogap_fops = { .read = btmrvl_gpiogap_read, .write = btmrvl_gpiogap_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -265,7 +259,7 @@ static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_hscmd_fops = { .read = btmrvl_hscmd_read, .write = btmrvl_hscmd_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -305,7 +299,7 @@ static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf, static const struct file_operations btmrvl_hsmode_fops = { .read = btmrvl_hsmode_read, .write = btmrvl_hsmode_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -323,7 +317,7 @@ static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_curpsmode_fops = { .read = btmrvl_curpsmode_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -341,7 +335,7 @@ static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf, static const struct file_operations btmrvl_psstate_fops = { .read = btmrvl_psstate_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -359,7 +353,7 @@ static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_hsstate_fops = { .read = btmrvl_hsstate_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -378,7 +372,7 @@ static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_txdnldready_fops = { .read = btmrvl_txdnldready_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h index 5da67f165afa..7ea18a5fe71c 100644 --- a/drivers/char/agp/intel-agp.h +++ b/drivers/char/agp/intel-agp.h @@ -234,6 +234,7 @@ #define PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT2_IG 0x0166 #define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB 0x0158 /* Server */ #define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT1_IG 0x015A +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT2_IG 0x016A int intel_gmch_probe(struct pci_dev *pdev, struct agp_bridge_data *bridge); diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 5cf47ac2d401..7f025fb620de 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1190,7 +1190,6 @@ static inline int needs_idle_maps(void) { #ifdef CONFIG_INTEL_IOMMU const unsigned short gpu_devid = intel_private.pcidev->device; - extern int intel_iommu_gfx_mapped; /* Query intel_iommu to see if we need the workaround. Presumably that * was loaded first. @@ -1459,6 +1458,8 @@ static const struct intel_gtt_driver_description { "Ivybridge", &sandybridge_gtt_driver }, { PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT1_IG, "Ivybridge", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT2_IG, + "Ivybridge", &sandybridge_gtt_driver }, { 0, NULL, NULL } }; diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c index 57501ca9204b..46118f845948 100644 --- a/drivers/char/apm-emulation.c +++ b/drivers/char/apm-emulation.c @@ -301,7 +301,7 @@ apm_ioctl(struct file *filp, u_int cmd, u_long arg) * anything critical, chill a bit on each iteration. */ while (wait_event_freezable(apm_suspend_waitqueue, - as->suspend_state == SUSPEND_DONE)) + as->suspend_state != SUSPEND_ACKED)) msleep(10); break; case SUSPEND_ACKTO: diff --git a/drivers/char/tile-srom.c b/drivers/char/tile-srom.c index 4dc019408fac..3b22a606f79d 100644 --- a/drivers/char/tile-srom.c +++ b/drivers/char/tile-srom.c @@ -194,17 +194,17 @@ static ssize_t srom_read(struct file *filp, char __user *buf, hv_retval = _srom_read(srom->hv_devhdl, kernbuf, *f_pos, bytes_this_pass); - if (hv_retval > 0) { - if (copy_to_user(buf, kernbuf, hv_retval) != 0) { - retval = -EFAULT; - break; - } - } else if (hv_retval <= 0) { + if (hv_retval <= 0) { if (retval == 0) retval = hv_retval; break; } + if (copy_to_user(buf, kernbuf, hv_retval) != 0) { + retval = -EFAULT; + break; + } + retval += hv_retval; *f_pos += hv_retval; buf += hv_retval; diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index b58b56187065..ddf86b6500b7 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1038,12 +1038,6 @@ static struct attribute_group port_attribute_group = { .attrs = port_sysfs_entries, }; -static int debugfs_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, loff_t *offp) { @@ -1087,7 +1081,7 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, static const struct file_operations port_debugfs_ops = { .owner = THIS_MODULE, - .open = debugfs_open, + .open = simple_open, .read = debugfs_read, }; diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 32d790dd8180..ffbb44685915 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -51,9 +51,6 @@ config ARM_S5PV210_CPUFREQ config ARM_EXYNOS_CPUFREQ bool "SAMSUNG EXYNOS SoCs" depends on ARCH_EXYNOS - select ARM_EXYNOS4210_CPUFREQ if CPU_EXYNOS4210 - select ARM_EXYNOS4X12_CPUFREQ if (SOC_EXYNOS4212 || SOC_EXYNOS4412) - select ARM_EXYNOS5250_CPUFREQ if SOC_EXYNOS5250 default y help This adds the CPUFreq driver common part for Samsung @@ -62,20 +59,19 @@ config ARM_EXYNOS_CPUFREQ If in doubt, say N. config ARM_EXYNOS4210_CPUFREQ - bool "Samsung EXYNOS4210" - depends on ARCH_EXYNOS + def_bool CPU_EXYNOS4210 help This adds the CPUFreq driver for Samsung EXYNOS4210 SoC (S5PV310 or S5PC210). config ARM_EXYNOS4X12_CPUFREQ - bool "Samsung EXYNOS4X12" + def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412) help This adds the CPUFreq driver for Samsung EXYNOS4X12 SoC (EXYNOS4212 or EXYNOS4412). config ARM_EXYNOS5250_CPUFREQ - bool "Samsung EXYNOS5250" + def_bool SOC_EXYNOS5250 help This adds the CPUFreq driver for Samsung EXYNOS5250 SoC. diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c index a22ffa5bff9f..0bf1b8910eeb 100644 --- a/drivers/cpufreq/db8500-cpufreq.c +++ b/drivers/cpufreq/db8500-cpufreq.c @@ -142,7 +142,7 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = 20 * 1000; /* in ns */ /* policy sharing between dual CPUs */ - cpumask_copy(policy->cpus, &cpu_present_map); + cpumask_copy(policy->cpus, cpu_present_mask); policy->shared_type = CPUFREQ_SHARED_TYPE_ALL; diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 87411cebc577..2f0083a51a9a 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -74,7 +74,7 @@ static cpuidle_enter_t cpuidle_enter_ops; /** * cpuidle_play_dead - cpu off-lining * - * Only returns in case of an error + * Returns in case of an error or no driver */ int cpuidle_play_dead(void) { @@ -83,6 +83,9 @@ int cpuidle_play_dead(void) int i, dead_state = -1; int power_usage = -1; + if (!drv) + return -ENODEV; + /* Find lowest-power state that supports long-term idle */ for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) { struct cpuidle_state *s = &drv->states[i]; diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index dc89455f5550..750925f9638b 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -104,13 +104,6 @@ static void coh901318_list_print(struct coh901318_chan *cohc, static struct coh901318_base *debugfs_dma_base; static struct dentry *dma_dentry; -static int coh901318_debugfs_open(struct inode *inode, struct file *file) -{ - - file->private_data = inode->i_private; - return 0; -} - static int coh901318_debugfs_read(struct file *file, char __user *buf, size_t count, loff_t *f_pos) { @@ -158,7 +151,7 @@ static int coh901318_debugfs_read(struct file *file, char __user *buf, static const struct file_operations coh901318_debugfs_status_operations = { .owner = THIS_MODULE, - .open = coh901318_debugfs_open, + .open = simple_open, .read = coh901318_debugfs_read, .llseek = default_llseek, }; diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index 16a6b48883cf..ec78ccef9132 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -585,7 +585,7 @@ static dma_cookie_t sa11x0_dma_tx_submit(struct dma_async_tx_descriptor *tx) static struct dma_async_tx_descriptor *sa11x0_dma_prep_slave_sg( struct dma_chan *chan, struct scatterlist *sg, unsigned int sglen, - enum dma_transfer_direction dir, unsigned long flags) + enum dma_transfer_direction dir, unsigned long flags, void *context) { struct sa11x0_dma_chan *c = to_sa11x0_dma_chan(chan); struct sa11x0_dma_desc *txd; diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index 36e1486eb9aa..d0c372e30de4 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -754,9 +754,7 @@ static int __init mce_amd_init(void) if (c->x86_vendor != X86_VENDOR_AMD) return 0; - if ((c->x86 < 0xf || c->x86 > 0x12) && - (c->x86 != 0x14 || c->x86_model > 0xf) && - (c->x86 != 0x15 || c->x86_model > 0xf)) + if (c->x86 < 0xf || c->x86 > 0x15) return 0; fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL); @@ -797,7 +795,7 @@ static int __init mce_amd_init(void) break; default: - printk(KERN_WARNING "Huh? What family is that: %d?!\n", c->x86); + printk(KERN_WARNING "Huh? What family is it: 0x%x?!\n", c->x86); kfree(fam_ops); return -EINVAL; } diff --git a/drivers/edac/tile_edac.c b/drivers/edac/tile_edac.c index 1d5cf06f6c6b..e99d00976189 100644 --- a/drivers/edac/tile_edac.c +++ b/drivers/edac/tile_edac.c @@ -145,7 +145,11 @@ static int __devinit tile_edac_mc_probe(struct platform_device *pdev) mci->edac_ctl_cap = EDAC_FLAG_SECDED; mci->mod_name = DRV_NAME; +#ifdef __tilegx__ + mci->ctl_name = "TILEGx_Memory_Controller"; +#else mci->ctl_name = "TILEPro_Memory_Controller"; +#endif mci->dev_name = dev_name(&pdev->dev); mci->edac_check = tile_edac_check; diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 32de6707e3c4..12f349b3830d 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -22,7 +22,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/gpio.h> -#include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/module.h> #include <linux/irqdomain.h> @@ -37,7 +37,8 @@ #define GPIO_PORT(x) (((x) >> 3) & 0x3) #define GPIO_BIT(x) ((x) & 0x7) -#define GPIO_REG(x) (GPIO_BANK(x) * 0x80 + GPIO_PORT(x) * 4) +#define GPIO_REG(x) (GPIO_BANK(x) * tegra_gpio_bank_stride + \ + GPIO_PORT(x) * 4) #define GPIO_CNF(x) (GPIO_REG(x) + 0x00) #define GPIO_OE(x) (GPIO_REG(x) + 0x10) @@ -48,12 +49,12 @@ #define GPIO_INT_LVL(x) (GPIO_REG(x) + 0x60) #define GPIO_INT_CLR(x) (GPIO_REG(x) + 0x70) -#define GPIO_MSK_CNF(x) (GPIO_REG(x) + 0x800) -#define GPIO_MSK_OE(x) (GPIO_REG(x) + 0x810) -#define GPIO_MSK_OUT(x) (GPIO_REG(x) + 0X820) -#define GPIO_MSK_INT_STA(x) (GPIO_REG(x) + 0x840) -#define GPIO_MSK_INT_ENB(x) (GPIO_REG(x) + 0x850) -#define GPIO_MSK_INT_LVL(x) (GPIO_REG(x) + 0x860) +#define GPIO_MSK_CNF(x) (GPIO_REG(x) + tegra_gpio_upper_offset + 0x00) +#define GPIO_MSK_OE(x) (GPIO_REG(x) + tegra_gpio_upper_offset + 0x10) +#define GPIO_MSK_OUT(x) (GPIO_REG(x) + tegra_gpio_upper_offset + 0X20) +#define GPIO_MSK_INT_STA(x) (GPIO_REG(x) + tegra_gpio_upper_offset + 0x40) +#define GPIO_MSK_INT_ENB(x) (GPIO_REG(x) + tegra_gpio_upper_offset + 0x50) +#define GPIO_MSK_INT_LVL(x) (GPIO_REG(x) + tegra_gpio_upper_offset + 0x60) #define GPIO_INT_LVL_MASK 0x010101 #define GPIO_INT_LVL_EDGE_RISING 0x000101 @@ -78,6 +79,8 @@ struct tegra_gpio_bank { static struct irq_domain *irq_domain; static void __iomem *regs; static u32 tegra_gpio_bank_count; +static u32 tegra_gpio_bank_stride; +static u32 tegra_gpio_upper_offset; static struct tegra_gpio_bank *tegra_gpio_banks; static inline void tegra_gpio_writel(u32 val, u32 reg) @@ -333,6 +336,26 @@ static struct irq_chip tegra_gpio_irq_chip = { #endif }; +struct tegra_gpio_soc_config { + u32 bank_stride; + u32 upper_offset; +}; + +static struct tegra_gpio_soc_config tegra20_gpio_config = { + .bank_stride = 0x80, + .upper_offset = 0x800, +}; + +static struct tegra_gpio_soc_config tegra30_gpio_config = { + .bank_stride = 0x100, + .upper_offset = 0x80, +}; + +static struct of_device_id tegra_gpio_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra30-gpio", .data = &tegra30_gpio_config }, + { .compatible = "nvidia,tegra20-gpio", .data = &tegra20_gpio_config }, + { }, +}; /* This lock class tells lockdep that GPIO irqs are in a different * category than their parents, so it won't report false recursion. @@ -341,6 +364,8 @@ static struct lock_class_key gpio_lock_class; static int __devinit tegra_gpio_probe(struct platform_device *pdev) { + const struct of_device_id *match; + struct tegra_gpio_soc_config *config; int irq_base; struct resource *res; struct tegra_gpio_bank *bank; @@ -348,6 +373,15 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev) int i; int j; + match = of_match_device(tegra_gpio_of_match, &pdev->dev); + if (match) + config = (struct tegra_gpio_soc_config *)match->data; + else + config = &tegra20_gpio_config; + + tegra_gpio_bank_stride = config->bank_stride; + tegra_gpio_upper_offset = config->upper_offset; + for (;;) { res = platform_get_resource(pdev, IORESOURCE_IRQ, tegra_gpio_bank_count); if (!res) @@ -402,7 +436,7 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev) return -ENODEV; } - for (i = 0; i < 7; i++) { + for (i = 0; i < tegra_gpio_bank_count; i++) { for (j = 0; j < 4; j++) { int gpio = tegra_gpio_compose(i, j, 0); tegra_gpio_writel(0x00, GPIO_INT_ENB(gpio)); @@ -441,11 +475,6 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev) return 0; } -static struct of_device_id tegra_gpio_of_match[] __devinitdata = { - { .compatible = "nvidia,tegra20-gpio", }, - { }, -}; - static struct platform_driver tegra_gpio_driver = { .driver = { .name = "tegra-gpio", @@ -485,7 +514,7 @@ static int dbg_gpio_show(struct seq_file *s, void *unused) int i; int j; - for (i = 0; i < 7; i++) { + for (i = 0; i < tegra_gpio_bank_count; i++) { for (j = 0; j < 4; j++) { int gpio = tegra_gpio_compose(i, j, 0); seq_printf(s, diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index cc1148837e24..e354bc0b052a 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -9,6 +9,7 @@ menuconfig DRM depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && MMU select I2C select I2C_ALGOBIT + select DMA_SHARED_BUFFER help Kernel-level support for the Direct Rendering Infrastructure (DRI) introduced in XFree86 4.0. If you say Y here, you need to select diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index a858532806ae..c20da5bda355 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -12,7 +12,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \ drm_platform.o drm_sysfs.o drm_hashtab.o drm_mm.o \ drm_crtc.o drm_modes.o drm_edid.o \ drm_info.o drm_debugfs.o drm_encoder_slave.o \ - drm_trace_points.o drm_global.o + drm_trace_points.o drm_global.o drm_prime.o drm-$(CONFIG_COMPAT) += drm_ioc32.o diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 0b65fbc8a630..6116e3b75393 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -136,6 +136,10 @@ static struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_CONTROL_ALLOW|DRM_UNLOCKED), + + DRM_IOCTL_DEF(DRM_IOCTL_PRIME_HANDLE_TO_FD, drm_prime_handle_to_fd_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_PRIME_FD_TO_HANDLE, drm_prime_fd_to_handle_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANERESOURCES, drm_mode_getplane_res, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_CONTROL_ALLOW|DRM_UNLOCKED), DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 7740dd26f007..a0d6e894d97c 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -559,9 +559,13 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, return -EINVAL; /* Need to resize the fb object !!! */ - if (var->bits_per_pixel > fb->bits_per_pixel || var->xres > fb->width || var->yres > fb->height) { + if (var->bits_per_pixel > fb->bits_per_pixel || + var->xres > fb->width || var->yres > fb->height || + var->xres_virtual > fb->width || var->yres_virtual > fb->height) { DRM_DEBUG("fb userspace requested width/height/bpp is greater than current fb " - "object %dx%d-%d > %dx%d-%d\n", var->xres, var->yres, var->bits_per_pixel, + "request %dx%d-%d (virtual %dx%d) > %dx%d-%d\n", + var->xres, var->yres, var->bits_per_pixel, + var->xres_virtual, var->yres_virtual, fb->width, fb->height, fb->bits_per_pixel); return -EINVAL; } diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 7348a3dab250..cdfbf27b2b3c 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -271,6 +271,9 @@ static int drm_open_helper(struct inode *inode, struct file *filp, if (dev->driver->driver_features & DRIVER_GEM) drm_gem_open(dev, priv); + if (drm_core_check_feature(dev, DRIVER_PRIME)) + drm_prime_init_file_private(&priv->prime); + if (dev->driver->open) { ret = dev->driver->open(dev, priv); if (ret < 0) @@ -571,6 +574,10 @@ int drm_release(struct inode *inode, struct file *filp) if (dev->driver->postclose) dev->driver->postclose(dev, file_priv); + + if (drm_core_check_feature(dev, DRIVER_PRIME)) + drm_prime_destroy_file_private(&file_priv->prime); + kfree(file_priv); /* ======================================================== diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 0ef358e53245..83114b5e3cee 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -35,6 +35,7 @@ #include <linux/mman.h> #include <linux/pagemap.h> #include <linux/shmem_fs.h> +#include <linux/dma-buf.h> #include "drmP.h" /** @file drm_gem.c @@ -232,6 +233,10 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle) idr_remove(&filp->object_idr, handle); spin_unlock(&filp->table_lock); + if (obj->import_attach) + drm_prime_remove_imported_buf_handle(&filp->prime, + obj->import_attach->dmabuf); + if (dev->driver->gem_close_object) dev->driver->gem_close_object(obj, filp); drm_gem_object_handle_unreference_unlocked(obj); @@ -527,6 +532,10 @@ drm_gem_object_release_handle(int id, void *ptr, void *data) struct drm_gem_object *obj = ptr; struct drm_device *dev = obj->dev; + if (obj->import_attach) + drm_prime_remove_imported_buf_handle(&file_priv->prime, + obj->import_attach->dmabuf); + if (dev->driver->gem_close_object) dev->driver->gem_close_object(obj, file_priv); diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c new file mode 100644 index 000000000000..1bdf2b54eaf6 --- /dev/null +++ b/drivers/gpu/drm/drm_prime.c @@ -0,0 +1,304 @@ +/* + * Copyright © 2012 Red Hat + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Dave Airlie <airlied@redhat.com> + * Rob Clark <rob.clark@linaro.org> + * + */ + +#include <linux/export.h> +#include <linux/dma-buf.h> +#include "drmP.h" + +/* + * DMA-BUF/GEM Object references and lifetime overview: + * + * On the export the dma_buf holds a reference to the exporting GEM + * object. It takes this reference in handle_to_fd_ioctl, when it + * first calls .prime_export and stores the exporting GEM object in + * the dma_buf priv. This reference is released when the dma_buf + * object goes away in the driver .release function. + * + * On the import the importing GEM object holds a reference to the + * dma_buf (which in turn holds a ref to the exporting GEM object). + * It takes that reference in the fd_to_handle ioctl. + * It calls dma_buf_get, creates an attachment to it and stores the + * attachment in the GEM object. When this attachment is destroyed + * when the imported object is destroyed, we remove the attachment + * and drop the reference to the dma_buf. + * + * Thus the chain of references always flows in one direction + * (avoiding loops): importing_gem -> dmabuf -> exporting_gem + * + * Self-importing: if userspace is using PRIME as a replacement for flink + * then it will get a fd->handle request for a GEM object that it created. + * Drivers should detect this situation and return back the gem object + * from the dma-buf private. + */ + +struct drm_prime_member { + struct list_head entry; + struct dma_buf *dma_buf; + uint32_t handle; +}; + +int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, uint32_t flags, + int *prime_fd) +{ + struct drm_gem_object *obj; + void *buf; + + obj = drm_gem_object_lookup(dev, file_priv, handle); + if (!obj) + return -ENOENT; + + mutex_lock(&file_priv->prime.lock); + /* re-export the original imported object */ + if (obj->import_attach) { + get_dma_buf(obj->import_attach->dmabuf); + *prime_fd = dma_buf_fd(obj->import_attach->dmabuf, flags); + drm_gem_object_unreference_unlocked(obj); + mutex_unlock(&file_priv->prime.lock); + return 0; + } + + if (obj->export_dma_buf) { + get_dma_buf(obj->export_dma_buf); + *prime_fd = dma_buf_fd(obj->export_dma_buf, flags); + drm_gem_object_unreference_unlocked(obj); + } else { + buf = dev->driver->gem_prime_export(dev, obj, flags); + if (IS_ERR(buf)) { + /* normally the created dma-buf takes ownership of the ref, + * but if that fails then drop the ref + */ + drm_gem_object_unreference_unlocked(obj); + mutex_unlock(&file_priv->prime.lock); + return PTR_ERR(buf); + } + obj->export_dma_buf = buf; + *prime_fd = dma_buf_fd(buf, flags); + } + mutex_unlock(&file_priv->prime.lock); + return 0; +} +EXPORT_SYMBOL(drm_gem_prime_handle_to_fd); + +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, uint32_t *handle) +{ + struct dma_buf *dma_buf; + struct drm_gem_object *obj; + int ret; + + dma_buf = dma_buf_get(prime_fd); + if (IS_ERR(dma_buf)) + return PTR_ERR(dma_buf); + + mutex_lock(&file_priv->prime.lock); + + ret = drm_prime_lookup_imported_buf_handle(&file_priv->prime, + dma_buf, handle); + if (!ret) { + ret = 0; + goto out_put; + } + + /* never seen this one, need to import */ + obj = dev->driver->gem_prime_import(dev, dma_buf); + if (IS_ERR(obj)) { + ret = PTR_ERR(obj); + goto out_put; + } + + ret = drm_gem_handle_create(file_priv, obj, handle); + drm_gem_object_unreference_unlocked(obj); + if (ret) + goto out_put; + + ret = drm_prime_add_imported_buf_handle(&file_priv->prime, + dma_buf, *handle); + if (ret) + goto fail; + + mutex_unlock(&file_priv->prime.lock); + return 0; + +fail: + /* hmm, if driver attached, we are relying on the free-object path + * to detach.. which seems ok.. + */ + drm_gem_object_handle_unreference_unlocked(obj); +out_put: + dma_buf_put(dma_buf); + mutex_unlock(&file_priv->prime.lock); + return ret; +} +EXPORT_SYMBOL(drm_gem_prime_fd_to_handle); + +int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_prime_handle *args = data; + uint32_t flags; + + if (!drm_core_check_feature(dev, DRIVER_PRIME)) + return -EINVAL; + + if (!dev->driver->prime_handle_to_fd) + return -ENOSYS; + + /* check flags are valid */ + if (args->flags & ~DRM_CLOEXEC) + return -EINVAL; + + /* we only want to pass DRM_CLOEXEC which is == O_CLOEXEC */ + flags = args->flags & DRM_CLOEXEC; + + return dev->driver->prime_handle_to_fd(dev, file_priv, + args->handle, flags, &args->fd); +} + +int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_prime_handle *args = data; + + if (!drm_core_check_feature(dev, DRIVER_PRIME)) + return -EINVAL; + + if (!dev->driver->prime_fd_to_handle) + return -ENOSYS; + + return dev->driver->prime_fd_to_handle(dev, file_priv, + args->fd, &args->handle); +} + +/* + * drm_prime_pages_to_sg + * + * this helper creates an sg table object from a set of pages + * the driver is responsible for mapping the pages into the + * importers address space + */ +struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages) +{ + struct sg_table *sg = NULL; + struct scatterlist *iter; + int i; + int ret; + + sg = kmalloc(sizeof(struct sg_table), GFP_KERNEL); + if (!sg) + goto out; + + ret = sg_alloc_table(sg, nr_pages, GFP_KERNEL); + if (ret) + goto out; + + for_each_sg(sg->sgl, iter, nr_pages, i) + sg_set_page(iter, pages[i], PAGE_SIZE, 0); + + return sg; +out: + kfree(sg); + return NULL; +} +EXPORT_SYMBOL(drm_prime_pages_to_sg); + +/* helper function to cleanup a GEM/prime object */ +void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg) +{ + struct dma_buf_attachment *attach; + struct dma_buf *dma_buf; + attach = obj->import_attach; + if (sg) + dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL); + dma_buf = attach->dmabuf; + dma_buf_detach(attach->dmabuf, attach); + /* remove the reference */ + dma_buf_put(dma_buf); +} +EXPORT_SYMBOL(drm_prime_gem_destroy); + +void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv) +{ + INIT_LIST_HEAD(&prime_fpriv->head); + mutex_init(&prime_fpriv->lock); +} +EXPORT_SYMBOL(drm_prime_init_file_private); + +void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv) +{ + struct drm_prime_member *member, *safe; + list_for_each_entry_safe(member, safe, &prime_fpriv->head, entry) { + list_del(&member->entry); + kfree(member); + } +} +EXPORT_SYMBOL(drm_prime_destroy_file_private); + +int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle) +{ + struct drm_prime_member *member; + + member = kmalloc(sizeof(*member), GFP_KERNEL); + if (!member) + return -ENOMEM; + + member->dma_buf = dma_buf; + member->handle = handle; + list_add(&member->entry, &prime_fpriv->head); + return 0; +} +EXPORT_SYMBOL(drm_prime_add_imported_buf_handle); + +int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle) +{ + struct drm_prime_member *member; + + list_for_each_entry(member, &prime_fpriv->head, entry) { + if (member->dma_buf == dma_buf) { + *handle = member->handle; + return 0; + } + } + return -ENOENT; +} +EXPORT_SYMBOL(drm_prime_lookup_imported_buf_handle); + +void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf) +{ + struct drm_prime_member *member, *safe; + + mutex_lock(&prime_fpriv->lock); + list_for_each_entry_safe(member, safe, &prime_fpriv->head, entry) { + if (member->dma_buf == dma_buf) { + list_del(&member->entry); + kfree(member); + } + } + mutex_unlock(&prime_fpriv->lock); +} +EXPORT_SYMBOL(drm_prime_remove_imported_buf_handle); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index fdb7ccefffbd..b505b70dba05 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1502,14 +1502,6 @@ static int i915_ppgtt_info(struct seq_file *m, void *data) return 0; } -static int -i915_debugfs_common_open(struct inode *inode, - struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t i915_wedged_read(struct file *filp, char __user *ubuf, @@ -1560,7 +1552,7 @@ i915_wedged_write(struct file *filp, static const struct file_operations i915_wedged_fops = { .owner = THIS_MODULE, - .open = i915_debugfs_common_open, + .open = simple_open, .read = i915_wedged_read, .write = i915_wedged_write, .llseek = default_llseek, @@ -1622,7 +1614,7 @@ i915_max_freq_write(struct file *filp, static const struct file_operations i915_max_freq_fops = { .owner = THIS_MODULE, - .open = i915_debugfs_common_open, + .open = simple_open, .read = i915_max_freq_read, .write = i915_max_freq_write, .llseek = default_llseek, @@ -1693,7 +1685,7 @@ i915_cache_sharing_write(struct file *filp, static const struct file_operations i915_cache_sharing_fops = { .owner = THIS_MODULE, - .open = i915_debugfs_common_open, + .open = simple_open, .read = i915_cache_sharing_read, .write = i915_cache_sharing_write, .llseek = default_llseek, diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 9341eb8ce93b..785f67f963ef 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1183,6 +1183,21 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev) return can_switch; } +static bool +intel_enable_ppgtt(struct drm_device *dev) +{ + if (i915_enable_ppgtt >= 0) + return i915_enable_ppgtt; + +#ifdef CONFIG_INTEL_IOMMU + /* Disable ppgtt on SNB if VT-d is on. */ + if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) + return false; +#endif + + return true; +} + static int i915_load_gem_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -1197,7 +1212,7 @@ static int i915_load_gem_init(struct drm_device *dev) drm_mm_init(&dev_priv->mm.stolen, 0, prealloc_size); mutex_lock(&dev->struct_mutex); - if (i915_enable_ppgtt && HAS_ALIASING_PPGTT(dev)) { + if (intel_enable_ppgtt(dev) && HAS_ALIASING_PPGTT(dev)) { /* PPGTT pdes are stolen from global gtt ptes, so shrink the * aperture accordingly when using aliasing ppgtt. */ gtt_size -= I915_PPGTT_PD_ENTRIES*PAGE_SIZE; @@ -1207,8 +1222,10 @@ static int i915_load_gem_init(struct drm_device *dev) i915_gem_do_init(dev, 0, mappable_size, gtt_size); ret = i915_gem_init_aliasing_ppgtt(dev); - if (ret) + if (ret) { + mutex_unlock(&dev->struct_mutex); return ret; + } } else { /* Let GEM Manage all of the aperture. * diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 1a7559b59997..dfa55e7478fb 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -66,7 +66,11 @@ MODULE_PARM_DESC(semaphores, int i915_enable_rc6 __read_mostly = -1; module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); MODULE_PARM_DESC(i915_enable_rc6, - "Enable power-saving render C-state 6 (default: -1 (use per-chip default)"); + "Enable power-saving render C-state 6. " + "Different stages can be selected via bitmask values " + "(0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6). " + "For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. " + "default: -1 (use per-chip default)"); int i915_enable_fbc __read_mostly = -1; module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600); @@ -103,8 +107,8 @@ MODULE_PARM_DESC(enable_hangcheck, "WARNING: Disabling this can cause system wide hangs. " "(default: true)"); -bool i915_enable_ppgtt __read_mostly = 1; -module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, bool, 0600); +int i915_enable_ppgtt __read_mostly = -1; +module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0600); MODULE_PARM_DESC(i915_enable_ppgtt, "Enable PPGTT (default: true)"); @@ -292,6 +296,7 @@ static const struct pci_device_id pciidlist[] = { /* aka */ INTEL_VGA_DEVICE(0x0152, &intel_ivybridge_d_info), /* GT1 desktop */ INTEL_VGA_DEVICE(0x0162, &intel_ivybridge_d_info), /* GT2 desktop */ INTEL_VGA_DEVICE(0x015a, &intel_ivybridge_d_info), /* GT1 server */ + INTEL_VGA_DEVICE(0x016a, &intel_ivybridge_d_info), /* GT2 server */ {0, 0, 0} }; @@ -533,7 +538,9 @@ static int i915_drm_thaw(struct drm_device *dev) drm_irq_install(dev); /* Resume the modeset for every activated CRTC */ + mutex_lock(&dev->mode_config.mutex); drm_helper_resume_force_mode(dev); + mutex_unlock(&dev->mode_config.mutex); if (IS_IRONLAKE_M(dev)) ironlake_enable_rc6(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c0f19f572004..5fabc6c31fec 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1053,6 +1053,27 @@ struct drm_i915_file_private { #include "i915_trace.h" +/** + * RC6 is a special power stage which allows the GPU to enter an very + * low-voltage mode when idle, using down to 0V while at this stage. This + * stage is entered automatically when the GPU is idle when RC6 support is + * enabled, and as soon as new workload arises GPU wakes up automatically as well. + * + * There are different RC6 modes available in Intel GPU, which differentiate + * among each other with the latency required to enter and leave RC6 and + * voltage consumed by the GPU in different states. + * + * The combination of the following flags define which states GPU is allowed + * to enter, while RC6 is the normal RC6 state, RC6p is the deep RC6, and + * RC6pp is deepest RC6. Their support by hardware varies according to the + * GPU, BIOS, chipset and platform. RC6 is usually the safest one and the one + * which brings the most power savings; deeper states save more power, but + * require higher latency to switch to and wake up. + */ +#define INTEL_RC6_ENABLE (1<<0) +#define INTEL_RC6p_ENABLE (1<<1) +#define INTEL_RC6pp_ENABLE (1<<2) + extern struct drm_ioctl_desc i915_ioctls[]; extern int i915_max_ioctl; extern unsigned int i915_fbpercrtc __always_unused; @@ -1065,7 +1086,7 @@ extern int i915_vbt_sdvo_panel_type __read_mostly; extern int i915_enable_rc6 __read_mostly; extern int i915_enable_fbc __read_mostly; extern bool i915_enable_hangcheck __read_mostly; -extern bool i915_enable_ppgtt __read_mostly; +extern int i915_enable_ppgtt __read_mostly; extern int i915_suspend(struct drm_device *dev, pm_message_t state); extern int i915_resume(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1f441f5c2405..4c65c639f772 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1472,16 +1472,19 @@ i915_gem_object_move_to_active(struct drm_i915_gem_object *obj, list_move_tail(&obj->ring_list, &ring->active_list); obj->last_rendering_seqno = seqno; - if (obj->fenced_gpu_access) { - struct drm_i915_fence_reg *reg; - - BUG_ON(obj->fence_reg == I915_FENCE_REG_NONE); + if (obj->fenced_gpu_access) { obj->last_fenced_seqno = seqno; obj->last_fenced_ring = ring; - reg = &dev_priv->fence_regs[obj->fence_reg]; - list_move_tail(®->lru_list, &dev_priv->mm.fence_list); + /* Bump MRU to take account of the delayed flush */ + if (obj->fence_reg != I915_FENCE_REG_NONE) { + struct drm_i915_fence_reg *reg; + + reg = &dev_priv->fence_regs[obj->fence_reg]; + list_move_tail(®->lru_list, + &dev_priv->mm.fence_list); + } } } @@ -3754,12 +3757,32 @@ void i915_gem_init_ppgtt(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; uint32_t pd_offset; struct intel_ring_buffer *ring; + struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; + uint32_t __iomem *pd_addr; + uint32_t pd_entry; int i; if (!dev_priv->mm.aliasing_ppgtt) return; - pd_offset = dev_priv->mm.aliasing_ppgtt->pd_offset; + + pd_addr = dev_priv->mm.gtt->gtt + ppgtt->pd_offset/sizeof(uint32_t); + for (i = 0; i < ppgtt->num_pd_entries; i++) { + dma_addr_t pt_addr; + + if (dev_priv->mm.gtt->needs_dmar) + pt_addr = ppgtt->pt_dma_addr[i]; + else + pt_addr = page_to_phys(ppgtt->pt_pages[i]); + + pd_entry = GEN6_PDE_ADDR_ENCODE(pt_addr); + pd_entry |= GEN6_PDE_VALID; + + writel(pd_entry, pd_addr + i); + } + readl(pd_addr); + + pd_offset = ppgtt->pd_offset; pd_offset /= 64; /* in cachelines, */ pd_offset <<= 16; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 81687af00893..f51a696486cb 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -498,8 +498,8 @@ pin_and_fence_object(struct drm_i915_gem_object *obj, if (ret) goto err_unpin; } + obj->pending_fenced_gpu_access = true; } - obj->pending_fenced_gpu_access = need_fence; } entry->offset = obj->gtt_offset; diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 2eacd78bb93b..a135c61f4119 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -65,9 +65,7 @@ int i915_gem_init_aliasing_ppgtt(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct i915_hw_ppgtt *ppgtt; - uint32_t pd_entry; unsigned first_pd_entry_in_global_pt; - uint32_t __iomem *pd_addr; int i; int ret = -ENOMEM; @@ -100,7 +98,6 @@ int i915_gem_init_aliasing_ppgtt(struct drm_device *dev) goto err_pt_alloc; } - pd_addr = dev_priv->mm.gtt->gtt + first_pd_entry_in_global_pt; for (i = 0; i < ppgtt->num_pd_entries; i++) { dma_addr_t pt_addr; if (dev_priv->mm.gtt->needs_dmar) { @@ -117,13 +114,7 @@ int i915_gem_init_aliasing_ppgtt(struct drm_device *dev) ppgtt->pt_dma_addr[i] = pt_addr; } else pt_addr = page_to_phys(ppgtt->pt_pages[i]); - - pd_entry = GEN6_PDE_ADDR_ENCODE(pt_addr); - pd_entry |= GEN6_PDE_VALID; - - writel(pd_entry, pd_addr + i); } - readl(pd_addr); ppgtt->scratch_page_dma_addr = dev_priv->mm.gtt->scratch_page_dma; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 3886cf051bac..2abf4eb94039 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2385,6 +2385,7 @@ #define PIPECONF_DISABLE 0 #define PIPECONF_DOUBLE_WIDE (1<<30) #define I965_PIPECONF_ACTIVE (1<<30) +#define PIPECONF_FRAME_START_DELAY_MASK (3<<27) #define PIPECONF_SINGLE_WIDE 0 #define PIPECONF_PIPE_UNLOCKED 0 #define PIPECONF_PIPE_LOCKED (1<<25) diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 8168d8f8a634..b48fc2a8410c 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -24,6 +24,7 @@ * Eric Anholt <eric@anholt.net> * */ +#include <linux/dmi.h> #include <drm/drm_dp_helper.h> #include "drmP.h" #include "drm.h" @@ -621,6 +622,26 @@ init_vbt_defaults(struct drm_i915_private *dev_priv) dev_priv->edp.bpp = 18; } +static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id) +{ + DRM_DEBUG_KMS("Falling back to manually reading VBT from " + "VBIOS ROM for %s\n", + id->ident); + return 1; +} + +static const struct dmi_system_id intel_no_opregion_vbt[] = { + { + .callback = intel_no_opregion_vbt_callback, + .ident = "ThinkCentre A57", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "97027RG"), + }, + }, + { } +}; + /** * intel_parse_bios - find VBT and initialize settings from the BIOS * @dev: DRM device @@ -641,7 +662,7 @@ intel_parse_bios(struct drm_device *dev) init_vbt_defaults(dev_priv); /* XXX Should this validation be moved to intel_opregion.c? */ - if (dev_priv->opregion.vbt) { + if (!dmi_check_system(intel_no_opregion_vbt) && dev_priv->opregion.vbt) { struct vbt_header *vbt = dev_priv->opregion.vbt; if (memcmp(vbt->signature, "$VBT", 4) == 0) { DRM_DEBUG_KMS("Using VBT from OpRegion: %20s\n", diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d514719f65e2..91b35fd1db8c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5539,7 +5539,8 @@ void ironlake_init_pch_refclk(struct drm_device *dev) if (intel_panel_use_ssc(dev_priv) && can_ssc) { DRM_DEBUG_KMS("Using SSC on panel\n"); temp |= DREF_SSC1_ENABLE; - } + } else + temp &= ~DREF_SSC1_ENABLE; /* Get SSC going before enabling the outputs */ I915_WRITE(PCH_DREF_CONTROL, temp); @@ -7580,6 +7581,12 @@ static void intel_sanitize_modesetting(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; u32 reg, val; + /* Clear any frame start delays used for debugging left by the BIOS */ + for_each_pipe(pipe) { + reg = PIPECONF(pipe); + I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); + } + if (HAS_PCH_SPLIT(dev)) return; @@ -8215,7 +8222,7 @@ void intel_init_emon(struct drm_device *dev) dev_priv->corr = (lcfuse & LCFUSE_HIV_MASK); } -static bool intel_enable_rc6(struct drm_device *dev) +static int intel_enable_rc6(struct drm_device *dev) { /* * Respect the kernel parameter if it is set @@ -8233,11 +8240,11 @@ static bool intel_enable_rc6(struct drm_device *dev) * Disable rc6 on Sandybridge */ if (INTEL_INFO(dev)->gen == 6) { - DRM_DEBUG_DRIVER("Sandybridge: RC6 disabled\n"); - return 0; + DRM_DEBUG_DRIVER("Sandybridge: deep RC6 disabled\n"); + return INTEL_RC6_ENABLE; } - DRM_DEBUG_DRIVER("RC6 enabled\n"); - return 1; + DRM_DEBUG_DRIVER("RC6 and deep RC6 enabled\n"); + return (INTEL_RC6_ENABLE | INTEL_RC6p_ENABLE); } void gen6_enable_rps(struct drm_i915_private *dev_priv) @@ -8247,6 +8254,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv) u32 pcu_mbox, rc6_mask = 0; u32 gtfifodbg; int cur_freq, min_freq, max_freq; + int rc6_mode; int i; /* Here begins a magic sequence of register writes to enable @@ -8284,9 +8292,20 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv) I915_WRITE(GEN6_RC6p_THRESHOLD, 100000); I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */ - if (intel_enable_rc6(dev_priv->dev)) - rc6_mask = GEN6_RC_CTL_RC6_ENABLE | - ((IS_GEN7(dev_priv->dev)) ? GEN6_RC_CTL_RC6p_ENABLE : 0); + rc6_mode = intel_enable_rc6(dev_priv->dev); + if (rc6_mode & INTEL_RC6_ENABLE) + rc6_mask |= GEN6_RC_CTL_RC6_ENABLE; + + if (rc6_mode & INTEL_RC6p_ENABLE) + rc6_mask |= GEN6_RC_CTL_RC6p_ENABLE; + + if (rc6_mode & INTEL_RC6pp_ENABLE) + rc6_mask |= GEN6_RC_CTL_RC6pp_ENABLE; + + DRM_INFO("Enabling RC6 states: RC6 %s, RC6p %s, RC6pp %s\n", + (rc6_mode & INTEL_RC6_ENABLE) ? "on" : "off", + (rc6_mode & INTEL_RC6p_ENABLE) ? "on" : "off", + (rc6_mode & INTEL_RC6pp_ENABLE) ? "on" : "off"); I915_WRITE(GEN6_RC_CONTROL, rc6_mask | diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index c5c0973af8a1..95db2e988227 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -755,6 +755,14 @@ static const struct dmi_system_id intel_no_lvds[] = { DMI_MATCH(DMI_BOARD_NAME, "hp st5747"), }, }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "MSI Wind Box DC500", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), + DMI_MATCH(DMI_BOARD_NAME, "MS-7469"), + }, + }, { } /* terminating entry */ }; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index fc66af6a9448..e25581a9f60f 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -626,7 +626,7 @@ gen6_ring_get_seqno(struct intel_ring_buffer *ring) /* Workaround to force correct ordering between irq and seqno writes on * ivb (and maybe also on snb) by reading from a CS register (like * ACTHD) before reading the status page. */ - if (IS_GEN7(dev)) + if (IS_GEN6(dev) || IS_GEN7(dev)) intel_ring_get_active_head(ring); return intel_read_status_page(ring, I915_GEM_HWS_INDEX); } diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 7aa0450399a1..a464771a7240 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -411,6 +411,9 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, old_obj = intel_plane->obj; + src_w = src_w >> 16; + src_h = src_h >> 16; + /* Pipe must be running... */ if (!(I915_READ(PIPECONF(pipe)) & PIPECONF_ENABLE)) return -EINVAL; diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index ca1639918f57..97a81260485a 100644 --- a/drivers/gpu/drm/nouveau/Kconfig +++ b/drivers/gpu/drm/nouveau/Kconfig @@ -13,6 +13,7 @@ config DRM_NOUVEAU select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL && INPUT select ACPI_WMI if ACPI select MXM_WMI if ACPI + select POWER_SUPPLY help Choose this option for open-source nVidia support. diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 637afe71de56..80963d05b54a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -177,14 +177,15 @@ bios_shadow_pci(struct nvbios *bios) if (!pci_enable_rom(pdev)) { void __iomem *rom = pci_map_rom(pdev, &length); - if (rom) { + if (rom && length) { bios->data = kmalloc(length, GFP_KERNEL); if (bios->data) { memcpy_fromio(bios->data, rom, length); bios->length = length; } - pci_unmap_rom(pdev, rom); } + if (rom) + pci_unmap_rom(pdev, rom); pci_disable_rom(pdev); } diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index 44e6416d4a33..846afb0bfef4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -436,11 +436,11 @@ nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data, } if (dev_priv->card_type < NV_C0) { - init->subchan[0].handle = NvSw; - init->subchan[0].grclass = NV_SW; - init->nr_subchan = 1; - } else { - init->nr_subchan = 0; + init->subchan[0].handle = 0x00000000; + init->subchan[0].grclass = 0x0000; + init->subchan[1].handle = NvSw; + init->subchan[1].grclass = NV_SW; + init->nr_subchan = 2; } /* Named memory object area */ diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h index bcf0fd9e313e..23d4edf992b7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.h +++ b/drivers/gpu/drm/nouveau/nouveau_dma.h @@ -48,8 +48,8 @@ void nv50_dma_push(struct nouveau_channel *, struct nouveau_bo *, /* Hardcoded object assignments to subchannels (subchannel id). */ enum { - NvSubSw = 0, - NvSubM2MF = 1, + NvSubM2MF = 0, + NvSubSw = 1, NvSub2D = 2, NvSubCtxSurf2D = 2, NvSubGdiRect = 3, diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index a4886b36d0fa..c2a8511e855a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -642,7 +642,7 @@ nouveau_card_channel_init(struct drm_device *dev) OUT_RING (chan, chan->vram_handle); OUT_RING (chan, chan->gart_handle); } else - if (dev_priv->card_type <= NV_C0) { + if (dev_priv->card_type <= NV_D0) { ret = nouveau_gpuobj_gr_new(chan, 0x9039, 0x9039); if (ret) goto error; diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index d1bd239cd9e9..5ce9bf51a8de 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -1306,8 +1306,11 @@ struct atom_context *atom_parse(struct card_info *card, void *bios) int atom_asic_init(struct atom_context *ctx) { + struct radeon_device *rdev = ctx->card->dev->dev_private; int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR); uint32_t ps[16]; + int ret; + memset(ps, 0, 64); ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR)); @@ -1317,7 +1320,17 @@ int atom_asic_init(struct atom_context *ctx) if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT)) return 1; - return atom_execute_table(ctx, ATOM_CMD_INIT, ps); + ret = atom_execute_table(ctx, ATOM_CMD_INIT, ps); + if (ret) + return ret; + + memset(ps, 0, 64); + + if (rdev->family < CHIP_R600) { + if (CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_SPDFANCNTL)) + atom_execute_table(ctx, ATOM_CMD_SPDFANCNTL, ps); + } + return ret; } void atom_destroy(struct atom_context *ctx) diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h index 93cfe2086ba0..25fea631dad2 100644 --- a/drivers/gpu/drm/radeon/atom.h +++ b/drivers/gpu/drm/radeon/atom.h @@ -44,6 +44,7 @@ #define ATOM_CMD_SETSCLK 0x0A #define ATOM_CMD_SETMCLK 0x0B #define ATOM_CMD_SETPCLK 0x0C +#define ATOM_CMD_SPDFANCNTL 0x39 #define ATOM_DATA_FWI_PTR 0xC #define ATOM_DATA_IIO_PTR 0x32 diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 6f70158d34e4..df6a4dbd93f8 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -241,7 +241,8 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset, domain_start = bo->rdev->mc.vram_start; else domain_start = bo->rdev->mc.gtt_start; - WARN_ON_ONCE((*gpu_addr - domain_start) > max_offset); + WARN_ON_ONCE(max_offset < + (radeon_bo_gpu_offset(bo) - domain_start)); } return 0; diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index 5340c5f3987b..53673907a6a0 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -47,7 +47,7 @@ static struct vm_operations_struct udl_gem_vm_ops = { static const struct file_operations udl_driver_fops = { .owner = THIS_MODULE, .open = drm_open, - .mmap = drm_gem_mmap, + .mmap = udl_drm_gem_mmap, .poll = drm_poll, .read = drm_read, .unlocked_ioctl = drm_ioctl, diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index 1612954a5bc4..96820d03a303 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -121,6 +121,7 @@ struct udl_gem_object *udl_gem_alloc_object(struct drm_device *dev, int udl_gem_vmap(struct udl_gem_object *obj); void udl_gem_vunmap(struct udl_gem_object *obj); +int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); int udl_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 852642dc1187..92f19ef329b0 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -71,6 +71,20 @@ int udl_dumb_destroy(struct drm_file *file, struct drm_device *dev, return drm_gem_handle_delete(file, handle); } +int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) +{ + int ret; + + ret = drm_gem_mmap(filp, vma); + if (ret) + return ret; + + vma->vm_flags &= ~VM_PFNMAP; + vma->vm_flags |= VM_MIXEDMAP; + + return ret; +} + int udl_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct udl_gem_object *obj = to_udl_bo(vma->vm_private_data); diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c index 12f9777c385d..45c3433f7986 100644 --- a/drivers/hid/hid-picolcd.c +++ b/drivers/hid/hid-picolcd.c @@ -1525,12 +1525,6 @@ static const struct file_operations picolcd_debug_reset_fops = { /* * The "eeprom" file */ -static int picolcd_debug_eeprom_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u, size_t s, loff_t *off) { @@ -1618,7 +1612,7 @@ static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u, */ static const struct file_operations picolcd_debug_eeprom_fops = { .owner = THIS_MODULE, - .open = picolcd_debug_eeprom_open, + .open = simple_open, .read = picolcd_debug_eeprom_read, .write = picolcd_debug_eeprom_write, .llseek = generic_file_llseek, @@ -1627,12 +1621,6 @@ static const struct file_operations picolcd_debug_eeprom_fops = { /* * The "flash" file */ -static int picolcd_debug_flash_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - /* record a flash address to buf (bounds check to be done by caller) */ static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off) { @@ -1817,7 +1805,7 @@ static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u, */ static const struct file_operations picolcd_debug_flash_fops = { .owner = THIS_MODULE, - .open = picolcd_debug_flash_open, + .open = simple_open, .read = picolcd_debug_flash_read, .write = picolcd_debug_flash_write, .llseek = generic_file_llseek, diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c index 17dabc1f339e..eec329197c16 100644 --- a/drivers/hid/hid-wiimote-debug.c +++ b/drivers/hid/hid-wiimote-debug.c @@ -23,12 +23,6 @@ struct wiimote_debug { struct dentry *drm; }; -static int wiidebug_eeprom_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, loff_t *off) { @@ -83,7 +77,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, static const struct file_operations wiidebug_eeprom_fops = { .owner = THIS_MODULE, - .open = wiidebug_eeprom_open, + .open = simple_open, .read = wiidebug_eeprom_read, .llseek = generic_file_llseek, }; diff --git a/drivers/hsi/Kconfig b/drivers/hsi/Kconfig new file mode 100644 index 000000000000..d94e38dd80c7 --- /dev/null +++ b/drivers/hsi/Kconfig @@ -0,0 +1,19 @@ +# +# HSI driver configuration +# +menuconfig HSI + tristate "HSI support" + ---help--- + The "High speed synchronous Serial Interface" is + synchronous serial interface used mainly to connect + application engines and cellular modems. + +if HSI + +config HSI_BOARDINFO + bool + default y + +source "drivers/hsi/clients/Kconfig" + +endif # HSI diff --git a/drivers/hsi/Makefile b/drivers/hsi/Makefile new file mode 100644 index 000000000000..9d5d33f90de2 --- /dev/null +++ b/drivers/hsi/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for HSI +# +obj-$(CONFIG_HSI_BOARDINFO) += hsi_boardinfo.o +obj-$(CONFIG_HSI) += hsi.o +obj-y += clients/ diff --git a/drivers/hsi/clients/Kconfig b/drivers/hsi/clients/Kconfig new file mode 100644 index 000000000000..3bacd275f479 --- /dev/null +++ b/drivers/hsi/clients/Kconfig @@ -0,0 +1,13 @@ +# +# HSI clients configuration +# + +comment "HSI clients" + +config HSI_CHAR + tristate "HSI/SSI character driver" + depends on HSI + ---help--- + If you say Y here, you will enable the HSI/SSI character driver. + This driver provides a simple character device interface for + serial communication with the cellular modem over HSI/SSI bus. diff --git a/drivers/hsi/clients/Makefile b/drivers/hsi/clients/Makefile new file mode 100644 index 000000000000..327c0e27c8b0 --- /dev/null +++ b/drivers/hsi/clients/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for HSI clients +# + +obj-$(CONFIG_HSI_CHAR) += hsi_char.o diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c new file mode 100644 index 000000000000..88a050df2389 --- /dev/null +++ b/drivers/hsi/clients/hsi_char.c @@ -0,0 +1,802 @@ +/* + * HSI character device driver, implements the character device + * interface. + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Andras Domokos <andras.domokos@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/atomic.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/kmemleak.h> +#include <linux/ioctl.h> +#include <linux/wait.h> +#include <linux/fs.h> +#include <linux/sched.h> +#include <linux/device.h> +#include <linux/cdev.h> +#include <linux/uaccess.h> +#include <linux/scatterlist.h> +#include <linux/stat.h> +#include <linux/hsi/hsi.h> +#include <linux/hsi/hsi_char.h> + +#define HSC_DEVS 16 /* Num of channels */ +#define HSC_MSGS 4 + +#define HSC_RXBREAK 0 + +#define HSC_ID_BITS 6 +#define HSC_PORT_ID_BITS 4 +#define HSC_ID_MASK 3 +#define HSC_PORT_ID_MASK 3 +#define HSC_CH_MASK 0xf + +/* + * We support up to 4 controllers that can have up to 4 + * ports, which should currently be more than enough. + */ +#define HSC_BASEMINOR(id, port_id) \ + ((((id) & HSC_ID_MASK) << HSC_ID_BITS) | \ + (((port_id) & HSC_PORT_ID_MASK) << HSC_PORT_ID_BITS)) + +enum { + HSC_CH_OPEN, + HSC_CH_READ, + HSC_CH_WRITE, + HSC_CH_WLINE, +}; + +enum { + HSC_RX, + HSC_TX, +}; + +struct hsc_client_data; +/** + * struct hsc_channel - hsi_char internal channel data + * @ch: channel number + * @flags: Keeps state of the channel (open/close, reading, writing) + * @free_msgs_list: List of free HSI messages/requests + * @rx_msgs_queue: List of pending RX requests + * @tx_msgs_queue: List of pending TX requests + * @lock: Serialize access to the lists + * @cl: reference to the associated hsi_client + * @cl_data: reference to the client data that this channels belongs to + * @rx_wait: RX requests wait queue + * @tx_wait: TX requests wait queue + */ +struct hsc_channel { + unsigned int ch; + unsigned long flags; + struct list_head free_msgs_list; + struct list_head rx_msgs_queue; + struct list_head tx_msgs_queue; + spinlock_t lock; + struct hsi_client *cl; + struct hsc_client_data *cl_data; + wait_queue_head_t rx_wait; + wait_queue_head_t tx_wait; +}; + +/** + * struct hsc_client_data - hsi_char internal client data + * @cdev: Characther device associated to the hsi_client + * @lock: Lock to serialize open/close access + * @flags: Keeps track of port state (rx hwbreak armed) + * @usecnt: Use count for claiming the HSI port (mutex protected) + * @cl: Referece to the HSI client + * @channels: Array of channels accessible by the client + */ +struct hsc_client_data { + struct cdev cdev; + struct mutex lock; + unsigned long flags; + unsigned int usecnt; + struct hsi_client *cl; + struct hsc_channel channels[HSC_DEVS]; +}; + +/* Stores the major number dynamically allocated for hsi_char */ +static unsigned int hsc_major; +/* Maximum buffer size that hsi_char will accept from userspace */ +static unsigned int max_data_size = 0x1000; +module_param(max_data_size, uint, S_IRUSR | S_IWUSR); +MODULE_PARM_DESC(max_data_size, "max read/write data size [4,8..65536] (^2)"); + +static void hsc_add_tail(struct hsc_channel *channel, struct hsi_msg *msg, + struct list_head *queue) +{ + unsigned long flags; + + spin_lock_irqsave(&channel->lock, flags); + list_add_tail(&msg->link, queue); + spin_unlock_irqrestore(&channel->lock, flags); +} + +static struct hsi_msg *hsc_get_first_msg(struct hsc_channel *channel, + struct list_head *queue) +{ + struct hsi_msg *msg = NULL; + unsigned long flags; + + spin_lock_irqsave(&channel->lock, flags); + + if (list_empty(queue)) + goto out; + + msg = list_first_entry(queue, struct hsi_msg, link); + list_del(&msg->link); +out: + spin_unlock_irqrestore(&channel->lock, flags); + + return msg; +} + +static inline void hsc_msg_free(struct hsi_msg *msg) +{ + kfree(sg_virt(msg->sgt.sgl)); + hsi_free_msg(msg); +} + +static void hsc_free_list(struct list_head *list) +{ + struct hsi_msg *msg, *tmp; + + list_for_each_entry_safe(msg, tmp, list, link) { + list_del(&msg->link); + hsc_msg_free(msg); + } +} + +static void hsc_reset_list(struct hsc_channel *channel, struct list_head *l) +{ + unsigned long flags; + LIST_HEAD(list); + + spin_lock_irqsave(&channel->lock, flags); + list_splice_init(l, &list); + spin_unlock_irqrestore(&channel->lock, flags); + + hsc_free_list(&list); +} + +static inline struct hsi_msg *hsc_msg_alloc(unsigned int alloc_size) +{ + struct hsi_msg *msg; + void *buf; + + msg = hsi_alloc_msg(1, GFP_KERNEL); + if (!msg) + goto out; + buf = kmalloc(alloc_size, GFP_KERNEL); + if (!buf) { + hsi_free_msg(msg); + goto out; + } + sg_init_one(msg->sgt.sgl, buf, alloc_size); + /* Ignore false positive, due to sg pointer handling */ + kmemleak_ignore(buf); + + return msg; +out: + return NULL; +} + +static inline int hsc_msgs_alloc(struct hsc_channel *channel) +{ + struct hsi_msg *msg; + int i; + + for (i = 0; i < HSC_MSGS; i++) { + msg = hsc_msg_alloc(max_data_size); + if (!msg) + goto out; + msg->channel = channel->ch; + list_add_tail(&msg->link, &channel->free_msgs_list); + } + + return 0; +out: + hsc_free_list(&channel->free_msgs_list); + + return -ENOMEM; +} + +static inline unsigned int hsc_msg_len_get(struct hsi_msg *msg) +{ + return msg->sgt.sgl->length; +} + +static inline void hsc_msg_len_set(struct hsi_msg *msg, unsigned int len) +{ + msg->sgt.sgl->length = len; +} + +static void hsc_rx_completed(struct hsi_msg *msg) +{ + struct hsc_client_data *cl_data = hsi_client_drvdata(msg->cl); + struct hsc_channel *channel = cl_data->channels + msg->channel; + + if (test_bit(HSC_CH_READ, &channel->flags)) { + hsc_add_tail(channel, msg, &channel->rx_msgs_queue); + wake_up(&channel->rx_wait); + } else { + hsc_add_tail(channel, msg, &channel->free_msgs_list); + } +} + +static void hsc_rx_msg_destructor(struct hsi_msg *msg) +{ + msg->status = HSI_STATUS_ERROR; + hsc_msg_len_set(msg, 0); + hsc_rx_completed(msg); +} + +static void hsc_tx_completed(struct hsi_msg *msg) +{ + struct hsc_client_data *cl_data = hsi_client_drvdata(msg->cl); + struct hsc_channel *channel = cl_data->channels + msg->channel; + + if (test_bit(HSC_CH_WRITE, &channel->flags)) { + hsc_add_tail(channel, msg, &channel->tx_msgs_queue); + wake_up(&channel->tx_wait); + } else { + hsc_add_tail(channel, msg, &channel->free_msgs_list); + } +} + +static void hsc_tx_msg_destructor(struct hsi_msg *msg) +{ + msg->status = HSI_STATUS_ERROR; + hsc_msg_len_set(msg, 0); + hsc_tx_completed(msg); +} + +static void hsc_break_req_destructor(struct hsi_msg *msg) +{ + struct hsc_client_data *cl_data = hsi_client_drvdata(msg->cl); + + hsi_free_msg(msg); + clear_bit(HSC_RXBREAK, &cl_data->flags); +} + +static void hsc_break_received(struct hsi_msg *msg) +{ + struct hsc_client_data *cl_data = hsi_client_drvdata(msg->cl); + struct hsc_channel *channel = cl_data->channels; + int i, ret; + + /* Broadcast HWBREAK on all channels */ + for (i = 0; i < HSC_DEVS; i++, channel++) { + struct hsi_msg *msg2; + + if (!test_bit(HSC_CH_READ, &channel->flags)) + continue; + msg2 = hsc_get_first_msg(channel, &channel->free_msgs_list); + if (!msg2) + continue; + clear_bit(HSC_CH_READ, &channel->flags); + hsc_msg_len_set(msg2, 0); + msg2->status = HSI_STATUS_COMPLETED; + hsc_add_tail(channel, msg2, &channel->rx_msgs_queue); + wake_up(&channel->rx_wait); + } + hsi_flush(msg->cl); + ret = hsi_async_read(msg->cl, msg); + if (ret < 0) + hsc_break_req_destructor(msg); +} + +static int hsc_break_request(struct hsi_client *cl) +{ + struct hsc_client_data *cl_data = hsi_client_drvdata(cl); + struct hsi_msg *msg; + int ret; + + if (test_and_set_bit(HSC_RXBREAK, &cl_data->flags)) + return -EBUSY; + + msg = hsi_alloc_msg(0, GFP_KERNEL); + if (!msg) { + clear_bit(HSC_RXBREAK, &cl_data->flags); + return -ENOMEM; + } + msg->break_frame = 1; + msg->complete = hsc_break_received; + msg->destructor = hsc_break_req_destructor; + ret = hsi_async_read(cl, msg); + if (ret < 0) + hsc_break_req_destructor(msg); + + return ret; +} + +static int hsc_break_send(struct hsi_client *cl) +{ + struct hsi_msg *msg; + int ret; + + msg = hsi_alloc_msg(0, GFP_ATOMIC); + if (!msg) + return -ENOMEM; + msg->break_frame = 1; + msg->complete = hsi_free_msg; + msg->destructor = hsi_free_msg; + ret = hsi_async_write(cl, msg); + if (ret < 0) + hsi_free_msg(msg); + + return ret; +} + +static int hsc_rx_set(struct hsi_client *cl, struct hsc_rx_config *rxc) +{ + struct hsi_config tmp; + int ret; + + if ((rxc->mode != HSI_MODE_STREAM) && (rxc->mode != HSI_MODE_FRAME)) + return -EINVAL; + if ((rxc->channels == 0) || (rxc->channels > HSC_DEVS)) + return -EINVAL; + if (rxc->channels & (rxc->channels - 1)) + return -EINVAL; + if ((rxc->flow != HSI_FLOW_SYNC) && (rxc->flow != HSI_FLOW_PIPE)) + return -EINVAL; + tmp = cl->rx_cfg; + cl->rx_cfg.mode = rxc->mode; + cl->rx_cfg.channels = rxc->channels; + cl->rx_cfg.flow = rxc->flow; + ret = hsi_setup(cl); + if (ret < 0) { + cl->rx_cfg = tmp; + return ret; + } + if (rxc->mode == HSI_MODE_FRAME) + hsc_break_request(cl); + + return ret; +} + +static inline void hsc_rx_get(struct hsi_client *cl, struct hsc_rx_config *rxc) +{ + rxc->mode = cl->rx_cfg.mode; + rxc->channels = cl->rx_cfg.channels; + rxc->flow = cl->rx_cfg.flow; +} + +static int hsc_tx_set(struct hsi_client *cl, struct hsc_tx_config *txc) +{ + struct hsi_config tmp; + int ret; + + if ((txc->mode != HSI_MODE_STREAM) && (txc->mode != HSI_MODE_FRAME)) + return -EINVAL; + if ((txc->channels == 0) || (txc->channels > HSC_DEVS)) + return -EINVAL; + if (txc->channels & (txc->channels - 1)) + return -EINVAL; + if ((txc->arb_mode != HSI_ARB_RR) && (txc->arb_mode != HSI_ARB_PRIO)) + return -EINVAL; + tmp = cl->tx_cfg; + cl->tx_cfg.mode = txc->mode; + cl->tx_cfg.channels = txc->channels; + cl->tx_cfg.speed = txc->speed; + cl->tx_cfg.arb_mode = txc->arb_mode; + ret = hsi_setup(cl); + if (ret < 0) { + cl->tx_cfg = tmp; + return ret; + } + + return ret; +} + +static inline void hsc_tx_get(struct hsi_client *cl, struct hsc_tx_config *txc) +{ + txc->mode = cl->tx_cfg.mode; + txc->channels = cl->tx_cfg.channels; + txc->speed = cl->tx_cfg.speed; + txc->arb_mode = cl->tx_cfg.arb_mode; +} + +static ssize_t hsc_read(struct file *file, char __user *buf, size_t len, + loff_t *ppos __maybe_unused) +{ + struct hsc_channel *channel = file->private_data; + struct hsi_msg *msg; + ssize_t ret; + + if (len == 0) + return 0; + if (!IS_ALIGNED(len, sizeof(u32))) + return -EINVAL; + if (len > max_data_size) + len = max_data_size; + if (channel->ch >= channel->cl->rx_cfg.channels) + return -ECHRNG; + if (test_and_set_bit(HSC_CH_READ, &channel->flags)) + return -EBUSY; + msg = hsc_get_first_msg(channel, &channel->free_msgs_list); + if (!msg) { + ret = -ENOSPC; + goto out; + } + hsc_msg_len_set(msg, len); + msg->complete = hsc_rx_completed; + msg->destructor = hsc_rx_msg_destructor; + ret = hsi_async_read(channel->cl, msg); + if (ret < 0) { + hsc_add_tail(channel, msg, &channel->free_msgs_list); + goto out; + } + + ret = wait_event_interruptible(channel->rx_wait, + !list_empty(&channel->rx_msgs_queue)); + if (ret < 0) { + clear_bit(HSC_CH_READ, &channel->flags); + hsi_flush(channel->cl); + return -EINTR; + } + + msg = hsc_get_first_msg(channel, &channel->rx_msgs_queue); + if (msg) { + if (msg->status != HSI_STATUS_ERROR) { + ret = copy_to_user((void __user *)buf, + sg_virt(msg->sgt.sgl), hsc_msg_len_get(msg)); + if (ret) + ret = -EFAULT; + else + ret = hsc_msg_len_get(msg); + } else { + ret = -EIO; + } + hsc_add_tail(channel, msg, &channel->free_msgs_list); + } +out: + clear_bit(HSC_CH_READ, &channel->flags); + + return ret; +} + +static ssize_t hsc_write(struct file *file, const char __user *buf, size_t len, + loff_t *ppos __maybe_unused) +{ + struct hsc_channel *channel = file->private_data; + struct hsi_msg *msg; + ssize_t ret; + + if ((len == 0) || !IS_ALIGNED(len, sizeof(u32))) + return -EINVAL; + if (len > max_data_size) + len = max_data_size; + if (channel->ch >= channel->cl->tx_cfg.channels) + return -ECHRNG; + if (test_and_set_bit(HSC_CH_WRITE, &channel->flags)) + return -EBUSY; + msg = hsc_get_first_msg(channel, &channel->free_msgs_list); + if (!msg) { + clear_bit(HSC_CH_WRITE, &channel->flags); + return -ENOSPC; + } + if (copy_from_user(sg_virt(msg->sgt.sgl), (void __user *)buf, len)) { + ret = -EFAULT; + goto out; + } + hsc_msg_len_set(msg, len); + msg->complete = hsc_tx_completed; + msg->destructor = hsc_tx_msg_destructor; + ret = hsi_async_write(channel->cl, msg); + if (ret < 0) + goto out; + + ret = wait_event_interruptible(channel->tx_wait, + !list_empty(&channel->tx_msgs_queue)); + if (ret < 0) { + clear_bit(HSC_CH_WRITE, &channel->flags); + hsi_flush(channel->cl); + return -EINTR; + } + + msg = hsc_get_first_msg(channel, &channel->tx_msgs_queue); + if (msg) { + if (msg->status == HSI_STATUS_ERROR) + ret = -EIO; + else + ret = hsc_msg_len_get(msg); + + hsc_add_tail(channel, msg, &channel->free_msgs_list); + } +out: + clear_bit(HSC_CH_WRITE, &channel->flags); + + return ret; +} + +static long hsc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct hsc_channel *channel = file->private_data; + unsigned int state; + struct hsc_rx_config rxc; + struct hsc_tx_config txc; + long ret = 0; + + switch (cmd) { + case HSC_RESET: + hsi_flush(channel->cl); + break; + case HSC_SET_PM: + if (copy_from_user(&state, (void __user *)arg, sizeof(state))) + return -EFAULT; + if (state == HSC_PM_DISABLE) { + if (test_and_set_bit(HSC_CH_WLINE, &channel->flags)) + return -EINVAL; + ret = hsi_start_tx(channel->cl); + } else if (state == HSC_PM_ENABLE) { + if (!test_and_clear_bit(HSC_CH_WLINE, &channel->flags)) + return -EINVAL; + ret = hsi_stop_tx(channel->cl); + } else { + ret = -EINVAL; + } + break; + case HSC_SEND_BREAK: + return hsc_break_send(channel->cl); + case HSC_SET_RX: + if (copy_from_user(&rxc, (void __user *)arg, sizeof(rxc))) + return -EFAULT; + return hsc_rx_set(channel->cl, &rxc); + case HSC_GET_RX: + hsc_rx_get(channel->cl, &rxc); + if (copy_to_user((void __user *)arg, &rxc, sizeof(rxc))) + return -EFAULT; + break; + case HSC_SET_TX: + if (copy_from_user(&txc, (void __user *)arg, sizeof(txc))) + return -EFAULT; + return hsc_tx_set(channel->cl, &txc); + case HSC_GET_TX: + hsc_tx_get(channel->cl, &txc); + if (copy_to_user((void __user *)arg, &txc, sizeof(txc))) + return -EFAULT; + break; + default: + return -ENOIOCTLCMD; + } + + return ret; +} + +static inline void __hsc_port_release(struct hsc_client_data *cl_data) +{ + BUG_ON(cl_data->usecnt == 0); + + if (--cl_data->usecnt == 0) { + hsi_flush(cl_data->cl); + hsi_release_port(cl_data->cl); + } +} + +static int hsc_open(struct inode *inode, struct file *file) +{ + struct hsc_client_data *cl_data; + struct hsc_channel *channel; + int ret = 0; + + pr_debug("open, minor = %d\n", iminor(inode)); + + cl_data = container_of(inode->i_cdev, struct hsc_client_data, cdev); + mutex_lock(&cl_data->lock); + channel = cl_data->channels + (iminor(inode) & HSC_CH_MASK); + + if (test_and_set_bit(HSC_CH_OPEN, &channel->flags)) { + ret = -EBUSY; + goto out; + } + /* + * Check if we have already claimed the port associated to the HSI + * client. If not then try to claim it, else increase its refcount + */ + if (cl_data->usecnt == 0) { + ret = hsi_claim_port(cl_data->cl, 0); + if (ret < 0) + goto out; + hsi_setup(cl_data->cl); + } + cl_data->usecnt++; + + ret = hsc_msgs_alloc(channel); + if (ret < 0) { + __hsc_port_release(cl_data); + goto out; + } + + file->private_data = channel; + mutex_unlock(&cl_data->lock); + + return ret; +out: + mutex_unlock(&cl_data->lock); + + return ret; +} + +static int hsc_release(struct inode *inode __maybe_unused, struct file *file) +{ + struct hsc_channel *channel = file->private_data; + struct hsc_client_data *cl_data = channel->cl_data; + + mutex_lock(&cl_data->lock); + file->private_data = NULL; + if (test_and_clear_bit(HSC_CH_WLINE, &channel->flags)) + hsi_stop_tx(channel->cl); + __hsc_port_release(cl_data); + hsc_reset_list(channel, &channel->rx_msgs_queue); + hsc_reset_list(channel, &channel->tx_msgs_queue); + hsc_reset_list(channel, &channel->free_msgs_list); + clear_bit(HSC_CH_READ, &channel->flags); + clear_bit(HSC_CH_WRITE, &channel->flags); + clear_bit(HSC_CH_OPEN, &channel->flags); + wake_up(&channel->rx_wait); + wake_up(&channel->tx_wait); + mutex_unlock(&cl_data->lock); + + return 0; +} + +static const struct file_operations hsc_fops = { + .owner = THIS_MODULE, + .read = hsc_read, + .write = hsc_write, + .unlocked_ioctl = hsc_ioctl, + .open = hsc_open, + .release = hsc_release, +}; + +static void __devinit hsc_channel_init(struct hsc_channel *channel) +{ + init_waitqueue_head(&channel->rx_wait); + init_waitqueue_head(&channel->tx_wait); + spin_lock_init(&channel->lock); + INIT_LIST_HEAD(&channel->free_msgs_list); + INIT_LIST_HEAD(&channel->rx_msgs_queue); + INIT_LIST_HEAD(&channel->tx_msgs_queue); +} + +static int __devinit hsc_probe(struct device *dev) +{ + const char devname[] = "hsi_char"; + struct hsc_client_data *cl_data; + struct hsc_channel *channel; + struct hsi_client *cl = to_hsi_client(dev); + unsigned int hsc_baseminor; + dev_t hsc_dev; + int ret; + int i; + + cl_data = kzalloc(sizeof(*cl_data), GFP_KERNEL); + if (!cl_data) { + dev_err(dev, "Could not allocate hsc_client_data\n"); + return -ENOMEM; + } + hsc_baseminor = HSC_BASEMINOR(hsi_id(cl), hsi_port_id(cl)); + if (!hsc_major) { + ret = alloc_chrdev_region(&hsc_dev, hsc_baseminor, + HSC_DEVS, devname); + if (ret > 0) + hsc_major = MAJOR(hsc_dev); + } else { + hsc_dev = MKDEV(hsc_major, hsc_baseminor); + ret = register_chrdev_region(hsc_dev, HSC_DEVS, devname); + } + if (ret < 0) { + dev_err(dev, "Device %s allocation failed %d\n", + hsc_major ? "minor" : "major", ret); + goto out1; + } + mutex_init(&cl_data->lock); + hsi_client_set_drvdata(cl, cl_data); + cdev_init(&cl_data->cdev, &hsc_fops); + cl_data->cdev.owner = THIS_MODULE; + cl_data->cl = cl; + for (i = 0, channel = cl_data->channels; i < HSC_DEVS; i++, channel++) { + hsc_channel_init(channel); + channel->ch = i; + channel->cl = cl; + channel->cl_data = cl_data; + } + + /* 1 hsi client -> N char devices (one for each channel) */ + ret = cdev_add(&cl_data->cdev, hsc_dev, HSC_DEVS); + if (ret) { + dev_err(dev, "Could not add char device %d\n", ret); + goto out2; + } + + return 0; +out2: + unregister_chrdev_region(hsc_dev, HSC_DEVS); +out1: + kfree(cl_data); + + return ret; +} + +static int __devexit hsc_remove(struct device *dev) +{ + struct hsi_client *cl = to_hsi_client(dev); + struct hsc_client_data *cl_data = hsi_client_drvdata(cl); + dev_t hsc_dev = cl_data->cdev.dev; + + cdev_del(&cl_data->cdev); + unregister_chrdev_region(hsc_dev, HSC_DEVS); + hsi_client_set_drvdata(cl, NULL); + kfree(cl_data); + + return 0; +} + +static struct hsi_client_driver hsc_driver = { + .driver = { + .name = "hsi_char", + .owner = THIS_MODULE, + .probe = hsc_probe, + .remove = __devexit_p(hsc_remove), + }, +}; + +static int __init hsc_init(void) +{ + int ret; + + if ((max_data_size < 4) || (max_data_size > 0x10000) || + (max_data_size & (max_data_size - 1))) { + pr_err("Invalid max read/write data size"); + return -EINVAL; + } + + ret = hsi_register_client_driver(&hsc_driver); + if (ret) { + pr_err("Error while registering HSI/SSI driver %d", ret); + return ret; + } + + pr_info("HSI/SSI char device loaded\n"); + + return 0; +} +module_init(hsc_init); + +static void __exit hsc_exit(void) +{ + hsi_unregister_client_driver(&hsc_driver); + pr_info("HSI char device removed\n"); +} +module_exit(hsc_exit); + +MODULE_AUTHOR("Andras Domokos <andras.domokos@nokia.com>"); +MODULE_ALIAS("hsi:hsi_char"); +MODULE_DESCRIPTION("HSI character device"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hsi/hsi.c b/drivers/hsi/hsi.c new file mode 100644 index 000000000000..4e2d79b79334 --- /dev/null +++ b/drivers/hsi/hsi.c @@ -0,0 +1,494 @@ +/* + * HSI core. + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Carlos Chinea <carlos.chinea@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include <linux/hsi/hsi.h> +#include <linux/compiler.h> +#include <linux/rwsem.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/kobject.h> +#include <linux/slab.h> +#include <linux/string.h> +#include "hsi_core.h" + +static struct device_type hsi_ctrl = { + .name = "hsi_controller", +}; + +static struct device_type hsi_cl = { + .name = "hsi_client", +}; + +static struct device_type hsi_port = { + .name = "hsi_port", +}; + +static ssize_t modalias_show(struct device *dev, + struct device_attribute *a __maybe_unused, char *buf) +{ + return sprintf(buf, "hsi:%s\n", dev_name(dev)); +} + +static struct device_attribute hsi_bus_dev_attrs[] = { + __ATTR_RO(modalias), + __ATTR_NULL, +}; + +static int hsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + if (dev->type == &hsi_cl) + add_uevent_var(env, "MODALIAS=hsi:%s", dev_name(dev)); + + return 0; +} + +static int hsi_bus_match(struct device *dev, struct device_driver *driver) +{ + return strcmp(dev_name(dev), driver->name) == 0; +} + +static struct bus_type hsi_bus_type = { + .name = "hsi", + .dev_attrs = hsi_bus_dev_attrs, + .match = hsi_bus_match, + .uevent = hsi_bus_uevent, +}; + +static void hsi_client_release(struct device *dev) +{ + kfree(to_hsi_client(dev)); +} + +static void hsi_new_client(struct hsi_port *port, struct hsi_board_info *info) +{ + struct hsi_client *cl; + unsigned long flags; + + cl = kzalloc(sizeof(*cl), GFP_KERNEL); + if (!cl) + return; + cl->device.type = &hsi_cl; + cl->tx_cfg = info->tx_cfg; + cl->rx_cfg = info->rx_cfg; + cl->device.bus = &hsi_bus_type; + cl->device.parent = &port->device; + cl->device.release = hsi_client_release; + dev_set_name(&cl->device, info->name); + cl->device.platform_data = info->platform_data; + spin_lock_irqsave(&port->clock, flags); + list_add_tail(&cl->link, &port->clients); + spin_unlock_irqrestore(&port->clock, flags); + if (info->archdata) + cl->device.archdata = *info->archdata; + if (device_register(&cl->device) < 0) { + pr_err("hsi: failed to register client: %s\n", info->name); + kfree(cl); + } +} + +static void hsi_scan_board_info(struct hsi_controller *hsi) +{ + struct hsi_cl_info *cl_info; + struct hsi_port *p; + + list_for_each_entry(cl_info, &hsi_board_list, list) + if (cl_info->info.hsi_id == hsi->id) { + p = hsi_find_port_num(hsi, cl_info->info.port); + if (!p) + continue; + hsi_new_client(p, &cl_info->info); + } +} + +static int hsi_remove_client(struct device *dev, void *data __maybe_unused) +{ + struct hsi_client *cl = to_hsi_client(dev); + struct hsi_port *port = to_hsi_port(dev->parent); + unsigned long flags; + + spin_lock_irqsave(&port->clock, flags); + list_del(&cl->link); + spin_unlock_irqrestore(&port->clock, flags); + device_unregister(dev); + + return 0; +} + +static int hsi_remove_port(struct device *dev, void *data __maybe_unused) +{ + device_for_each_child(dev, NULL, hsi_remove_client); + device_unregister(dev); + + return 0; +} + +static void hsi_controller_release(struct device *dev __maybe_unused) +{ +} + +static void hsi_port_release(struct device *dev __maybe_unused) +{ +} + +/** + * hsi_unregister_controller - Unregister an HSI controller + * @hsi: The HSI controller to register + */ +void hsi_unregister_controller(struct hsi_controller *hsi) +{ + device_for_each_child(&hsi->device, NULL, hsi_remove_port); + device_unregister(&hsi->device); +} +EXPORT_SYMBOL_GPL(hsi_unregister_controller); + +/** + * hsi_register_controller - Register an HSI controller and its ports + * @hsi: The HSI controller to register + * + * Returns -errno on failure, 0 on success. + */ +int hsi_register_controller(struct hsi_controller *hsi) +{ + unsigned int i; + int err; + + hsi->device.type = &hsi_ctrl; + hsi->device.bus = &hsi_bus_type; + hsi->device.release = hsi_controller_release; + err = device_register(&hsi->device); + if (err < 0) + return err; + for (i = 0; i < hsi->num_ports; i++) { + hsi->port[i].device.parent = &hsi->device; + hsi->port[i].device.bus = &hsi_bus_type; + hsi->port[i].device.release = hsi_port_release; + hsi->port[i].device.type = &hsi_port; + INIT_LIST_HEAD(&hsi->port[i].clients); + spin_lock_init(&hsi->port[i].clock); + err = device_register(&hsi->port[i].device); + if (err < 0) + goto out; + } + /* Populate HSI bus with HSI clients */ + hsi_scan_board_info(hsi); + + return 0; +out: + hsi_unregister_controller(hsi); + + return err; +} +EXPORT_SYMBOL_GPL(hsi_register_controller); + +/** + * hsi_register_client_driver - Register an HSI client to the HSI bus + * @drv: HSI client driver to register + * + * Returns -errno on failure, 0 on success. + */ +int hsi_register_client_driver(struct hsi_client_driver *drv) +{ + drv->driver.bus = &hsi_bus_type; + + return driver_register(&drv->driver); +} +EXPORT_SYMBOL_GPL(hsi_register_client_driver); + +static inline int hsi_dummy_msg(struct hsi_msg *msg __maybe_unused) +{ + return 0; +} + +static inline int hsi_dummy_cl(struct hsi_client *cl __maybe_unused) +{ + return 0; +} + +/** + * hsi_alloc_controller - Allocate an HSI controller and its ports + * @n_ports: Number of ports on the HSI controller + * @flags: Kernel allocation flags + * + * Return NULL on failure or a pointer to an hsi_controller on success. + */ +struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags) +{ + struct hsi_controller *hsi; + struct hsi_port *port; + unsigned int i; + + if (!n_ports) + return NULL; + + port = kzalloc(sizeof(*port)*n_ports, flags); + if (!port) + return NULL; + hsi = kzalloc(sizeof(*hsi), flags); + if (!hsi) + goto out; + for (i = 0; i < n_ports; i++) { + dev_set_name(&port[i].device, "port%d", i); + port[i].num = i; + port[i].async = hsi_dummy_msg; + port[i].setup = hsi_dummy_cl; + port[i].flush = hsi_dummy_cl; + port[i].start_tx = hsi_dummy_cl; + port[i].stop_tx = hsi_dummy_cl; + port[i].release = hsi_dummy_cl; + mutex_init(&port[i].lock); + } + hsi->num_ports = n_ports; + hsi->port = port; + + return hsi; +out: + kfree(port); + + return NULL; +} +EXPORT_SYMBOL_GPL(hsi_alloc_controller); + +/** + * hsi_free_controller - Free an HSI controller + * @hsi: Pointer to HSI controller + */ +void hsi_free_controller(struct hsi_controller *hsi) +{ + if (!hsi) + return; + + kfree(hsi->port); + kfree(hsi); +} +EXPORT_SYMBOL_GPL(hsi_free_controller); + +/** + * hsi_free_msg - Free an HSI message + * @msg: Pointer to the HSI message + * + * Client is responsible to free the buffers pointed by the scatterlists. + */ +void hsi_free_msg(struct hsi_msg *msg) +{ + if (!msg) + return; + sg_free_table(&msg->sgt); + kfree(msg); +} +EXPORT_SYMBOL_GPL(hsi_free_msg); + +/** + * hsi_alloc_msg - Allocate an HSI message + * @nents: Number of memory entries + * @flags: Kernel allocation flags + * + * nents can be 0. This mainly makes sense for read transfer. + * In that case, HSI drivers will call the complete callback when + * there is data to be read without consuming it. + * + * Return NULL on failure or a pointer to an hsi_msg on success. + */ +struct hsi_msg *hsi_alloc_msg(unsigned int nents, gfp_t flags) +{ + struct hsi_msg *msg; + int err; + + msg = kzalloc(sizeof(*msg), flags); + if (!msg) + return NULL; + + if (!nents) + return msg; + + err = sg_alloc_table(&msg->sgt, nents, flags); + if (unlikely(err)) { + kfree(msg); + msg = NULL; + } + + return msg; +} +EXPORT_SYMBOL_GPL(hsi_alloc_msg); + +/** + * hsi_async - Submit an HSI transfer to the controller + * @cl: HSI client sending the transfer + * @msg: The HSI transfer passed to controller + * + * The HSI message must have the channel, ttype, complete and destructor + * fields set beforehand. If nents > 0 then the client has to initialize + * also the scatterlists to point to the buffers to write to or read from. + * + * HSI controllers relay on pre-allocated buffers from their clients and they + * do not allocate buffers on their own. + * + * Once the HSI message transfer finishes, the HSI controller calls the + * complete callback with the status and actual_len fields of the HSI message + * updated. The complete callback can be called before returning from + * hsi_async. + * + * Returns -errno on failure or 0 on success + */ +int hsi_async(struct hsi_client *cl, struct hsi_msg *msg) +{ + struct hsi_port *port = hsi_get_port(cl); + + if (!hsi_port_claimed(cl)) + return -EACCES; + + WARN_ON_ONCE(!msg->destructor || !msg->complete); + msg->cl = cl; + + return port->async(msg); +} +EXPORT_SYMBOL_GPL(hsi_async); + +/** + * hsi_claim_port - Claim the HSI client's port + * @cl: HSI client that wants to claim its port + * @share: Flag to indicate if the client wants to share the port or not. + * + * Returns -errno on failure, 0 on success. + */ +int hsi_claim_port(struct hsi_client *cl, unsigned int share) +{ + struct hsi_port *port = hsi_get_port(cl); + int err = 0; + + mutex_lock(&port->lock); + if ((port->claimed) && (!port->shared || !share)) { + err = -EBUSY; + goto out; + } + if (!try_module_get(to_hsi_controller(port->device.parent)->owner)) { + err = -ENODEV; + goto out; + } + port->claimed++; + port->shared = !!share; + cl->pclaimed = 1; +out: + mutex_unlock(&port->lock); + + return err; +} +EXPORT_SYMBOL_GPL(hsi_claim_port); + +/** + * hsi_release_port - Release the HSI client's port + * @cl: HSI client which previously claimed its port + */ +void hsi_release_port(struct hsi_client *cl) +{ + struct hsi_port *port = hsi_get_port(cl); + + mutex_lock(&port->lock); + /* Allow HW driver to do some cleanup */ + port->release(cl); + if (cl->pclaimed) + port->claimed--; + BUG_ON(port->claimed < 0); + cl->pclaimed = 0; + if (!port->claimed) + port->shared = 0; + module_put(to_hsi_controller(port->device.parent)->owner); + mutex_unlock(&port->lock); +} +EXPORT_SYMBOL_GPL(hsi_release_port); + +static int hsi_start_rx(struct hsi_client *cl, void *data __maybe_unused) +{ + if (cl->hsi_start_rx) + (*cl->hsi_start_rx)(cl); + + return 0; +} + +static int hsi_stop_rx(struct hsi_client *cl, void *data __maybe_unused) +{ + if (cl->hsi_stop_rx) + (*cl->hsi_stop_rx)(cl); + + return 0; +} + +static int hsi_port_for_each_client(struct hsi_port *port, void *data, + int (*fn)(struct hsi_client *cl, void *data)) +{ + struct hsi_client *cl; + + spin_lock(&port->clock); + list_for_each_entry(cl, &port->clients, link) { + spin_unlock(&port->clock); + (*fn)(cl, data); + spin_lock(&port->clock); + } + spin_unlock(&port->clock); + + return 0; +} + +/** + * hsi_event -Notifies clients about port events + * @port: Port where the event occurred + * @event: The event type + * + * Clients should not be concerned about wake line behavior. However, due + * to a race condition in HSI HW protocol, clients need to be notified + * about wake line changes, so they can implement a workaround for it. + * + * Events: + * HSI_EVENT_START_RX - Incoming wake line high + * HSI_EVENT_STOP_RX - Incoming wake line down + */ +void hsi_event(struct hsi_port *port, unsigned int event) +{ + int (*fn)(struct hsi_client *cl, void *data); + + switch (event) { + case HSI_EVENT_START_RX: + fn = hsi_start_rx; + break; + case HSI_EVENT_STOP_RX: + fn = hsi_stop_rx; + break; + default: + return; + } + hsi_port_for_each_client(port, NULL, fn); +} +EXPORT_SYMBOL_GPL(hsi_event); + +static int __init hsi_init(void) +{ + return bus_register(&hsi_bus_type); +} +postcore_initcall(hsi_init); + +static void __exit hsi_exit(void) +{ + bus_unregister(&hsi_bus_type); +} +module_exit(hsi_exit); + +MODULE_AUTHOR("Carlos Chinea <carlos.chinea@nokia.com>"); +MODULE_DESCRIPTION("High-speed Synchronous Serial Interface (HSI) framework"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hsi/hsi_boardinfo.c b/drivers/hsi/hsi_boardinfo.c new file mode 100644 index 000000000000..e56bc6da5f98 --- /dev/null +++ b/drivers/hsi/hsi_boardinfo.c @@ -0,0 +1,62 @@ +/* + * HSI clients registration interface + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Carlos Chinea <carlos.chinea@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include <linux/hsi/hsi.h> +#include <linux/list.h> +#include <linux/slab.h> +#include "hsi_core.h" + +/* + * hsi_board_list is only used internally by the HSI framework. + * No one else is allowed to make use of it. + */ +LIST_HEAD(hsi_board_list); +EXPORT_SYMBOL_GPL(hsi_board_list); + +/** + * hsi_register_board_info - Register HSI clients information + * @info: Array of HSI clients on the board + * @len: Length of the array + * + * HSI clients are statically declared and registered on board files. + * + * HSI clients will be automatically registered to the HSI bus once the + * controller and the port where the clients wishes to attach are registered + * to it. + * + * Return -errno on failure, 0 on success. + */ +int __init hsi_register_board_info(struct hsi_board_info const *info, + unsigned int len) +{ + struct hsi_cl_info *cl_info; + + cl_info = kzalloc(sizeof(*cl_info) * len, GFP_KERNEL); + if (!cl_info) + return -ENOMEM; + + for (; len; len--, info++, cl_info++) { + cl_info->info = *info; + list_add_tail(&cl_info->list, &hsi_board_list); + } + + return 0; +} diff --git a/drivers/hsi/hsi_core.h b/drivers/hsi/hsi_core.h new file mode 100644 index 000000000000..ab5c2fb175fd --- /dev/null +++ b/drivers/hsi/hsi_core.h @@ -0,0 +1,35 @@ +/* + * HSI framework internal interfaces, + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Carlos Chinea <carlos.chinea@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_HSI_CORE_H__ +#define __LINUX_HSI_CORE_H__ + +#include <linux/hsi/hsi.h> + +struct hsi_cl_info { + struct list_head list; + struct hsi_board_info info; +}; + +extern struct list_head hsi_board_list; + +#endif /* __LINUX_HSI_CORE_H__ */ diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 5b32d56dbb4d..8deedc1b9840 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -253,7 +253,8 @@ config SENSORS_K10TEMP If you say yes here you get support for the temperature sensor(s) inside your CPU. Supported are later revisions of the AMD Family 10h and all revisions of the AMD Family 11h, - 12h (Llano), 14h (Brazos) and 15h (Bulldozer) microarchitectures. + 12h (Llano), 14h (Brazos) and 15h (Bulldozer/Trinity) + microarchitectures. This driver can also be built as a module. If so, the module will be called k10temp. @@ -425,7 +426,7 @@ config SENSORS_GL520SM config SENSORS_GPIO_FAN tristate "GPIO fan" - depends on GENERIC_GPIO + depends on GPIOLIB help If you say yes here you get support for fans connected to GPIO lines. @@ -883,7 +884,7 @@ source drivers/hwmon/pmbus/Kconfig config SENSORS_SHT15 tristate "Sensiron humidity and temperature sensors. SHT15 and compat." - depends on GENERIC_GPIO + depends on GPIOLIB help If you say yes here you get support for the Sensiron SHT10, SHT11, SHT15, SHT71, SHT75 humidity and temperature sensors. diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index 554f046bcf20..145f13580ff0 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -632,6 +632,7 @@ static int register_ro_attrs(struct acpi_power_meter_resource *resource, sensors->dev_attr.show = ro->show; sensors->index = ro->index; + sysfs_attr_init(&sensors->dev_attr.attr); res = device_create_file(dev, &sensors->dev_attr); if (res) { sensors->dev_attr.attr.name = NULL; @@ -661,6 +662,7 @@ static int register_rw_attrs(struct acpi_power_meter_resource *resource, sensors->dev_attr.store = rw->set; sensors->index = rw->index; + sysfs_attr_init(&sensors->dev_attr.attr); res = device_create_file(dev, &sensors->dev_attr); if (res) { sensors->dev_attr.attr.name = NULL; diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c index 0e0cfcc36f8d..ce43642ef03e 100644 --- a/drivers/hwmon/ad7314.c +++ b/drivers/hwmon/ad7314.c @@ -128,6 +128,7 @@ static int __devinit ad7314_probe(struct spi_device *spi_dev) ret = PTR_ERR(chip->hwmon_dev); goto error_remove_group; } + chip->spi_dev = spi_dev; return 0; error_remove_group: diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index ff37363ea5bc..44e1fd7f3d81 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -233,18 +233,15 @@ static const auto_chan_table_t auto_channel_select_table_adm1030 = { * nearest match if no exact match where found. */ static int -get_fan_auto_nearest(struct adm1031_data *data, - int chan, u8 val, u8 reg, u8 *new_reg) +get_fan_auto_nearest(struct adm1031_data *data, int chan, u8 val, u8 reg) { int i; int first_match = -1, exact_match = -1; u8 other_reg_val = (*data->chan_select_table)[FAN_CHAN_FROM_REG(reg)][chan ? 0 : 1]; - if (val == 0) { - *new_reg = 0; + if (val == 0) return 0; - } for (i = 0; i < 8; i++) { if ((val == (*data->chan_select_table)[i][chan]) && @@ -264,13 +261,11 @@ get_fan_auto_nearest(struct adm1031_data *data, } if (exact_match >= 0) - *new_reg = exact_match; + return exact_match; else if (first_match >= 0) - *new_reg = first_match; - else - return -EINVAL; + return first_match; - return 0; + return -EINVAL; } static ssize_t show_fan_auto_channel(struct device *dev, @@ -301,11 +296,12 @@ set_fan_auto_channel(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); - ret = get_fan_auto_nearest(data, nr, val, data->conf1, ®); - if (ret) { + ret = get_fan_auto_nearest(data, nr, val, data->conf1); + if (ret < 0) { mutex_unlock(&data->update_lock); return ret; } + reg = ret; data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1); if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) ^ (old_fan_mode & ADM1031_CONF1_AUTO_MODE)) { diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index 729499e75210..ece4159bd453 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -276,6 +276,7 @@ static bool duty_mode_enabled(u8 pwm_enable) return false; default: BUG(); + return true; } } @@ -291,6 +292,7 @@ static bool auto_mode_enabled(u8 pwm_enable) return true; default: BUG(); + return false; } } diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index aba29d63f195..307bb325dde9 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -33,6 +33,9 @@ static bool force; module_param(force, bool, 0444); MODULE_PARM_DESC(force, "force loading on processors with erratum 319"); +/* PCI-IDs for Northbridge devices not used anywhere else */ +#define PCI_DEVICE_ID_AMD_15H_M10H_NB_F3 0x1403 + /* CPUID function 0x80000001, ebx */ #define CPUID_PKGTYPE_MASK 0xf0000000 #define CPUID_PKGTYPE_F 0x00000000 @@ -210,6 +213,7 @@ static DEFINE_PCI_DEVICE_TABLE(k10temp_id_table) = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M10H_NB_F3) }, {} }; MODULE_DEVICE_TABLE(pci, k10temp_id_table); diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c index 193067e27b6f..de8f7adaccbd 100644 --- a/drivers/hwmon/max6639.c +++ b/drivers/hwmon/max6639.c @@ -596,8 +596,10 @@ static int max6639_remove(struct i2c_client *client) return 0; } -static int max6639_suspend(struct i2c_client *client, pm_message_t mesg) +#ifdef CONFIG_PM_SLEEP +static int max6639_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); int data = i2c_smbus_read_byte_data(client, MAX6639_REG_GCONFIG); if (data < 0) return data; @@ -606,8 +608,9 @@ static int max6639_suspend(struct i2c_client *client, pm_message_t mesg) MAX6639_REG_GCONFIG, data | MAX6639_GCONFIG_STANDBY); } -static int max6639_resume(struct i2c_client *client) +static int max6639_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); int data = i2c_smbus_read_byte_data(client, MAX6639_REG_GCONFIG); if (data < 0) return data; @@ -615,6 +618,7 @@ static int max6639_resume(struct i2c_client *client) return i2c_smbus_write_byte_data(client, MAX6639_REG_GCONFIG, data & ~MAX6639_GCONFIG_STANDBY); } +#endif /* CONFIG_PM_SLEEP */ static const struct i2c_device_id max6639_id[] = { {"max6639", 0}, @@ -623,15 +627,18 @@ static const struct i2c_device_id max6639_id[] = { MODULE_DEVICE_TABLE(i2c, max6639_id); +static const struct dev_pm_ops max6639_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(max6639_suspend, max6639_resume) +}; + static struct i2c_driver max6639_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "max6639", + .pm = &max6639_pm_ops, }, .probe = max6639_probe, .remove = max6639_remove, - .suspend = max6639_suspend, - .resume = max6639_resume, .id_table = max6639_id, .detect = max6639_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index a25350cf9554..54922ed12978 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -2619,15 +2619,15 @@ static struct platform_driver w83627ehf_driver = { static int __init w83627ehf_find(int sioaddr, unsigned short *addr, struct w83627ehf_sio_data *sio_data) { - static const char __initdata sio_name_W83627EHF[] = "W83627EHF"; - static const char __initdata sio_name_W83627EHG[] = "W83627EHG"; - static const char __initdata sio_name_W83627DHG[] = "W83627DHG"; - static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P"; - static const char __initdata sio_name_W83627UHG[] = "W83627UHG"; - static const char __initdata sio_name_W83667HG[] = "W83667HG"; - static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B"; - static const char __initdata sio_name_NCT6775[] = "NCT6775F"; - static const char __initdata sio_name_NCT6776[] = "NCT6776F"; + static const char sio_name_W83627EHF[] __initconst = "W83627EHF"; + static const char sio_name_W83627EHG[] __initconst = "W83627EHG"; + static const char sio_name_W83627DHG[] __initconst = "W83627DHG"; + static const char sio_name_W83627DHG_P[] __initconst = "W83627DHG-P"; + static const char sio_name_W83627UHG[] __initconst = "W83627UHG"; + static const char sio_name_W83667HG[] __initconst = "W83667HG"; + static const char sio_name_W83667HG_B[] __initconst = "W83667HG-B"; + static const char sio_name_NCT6775[] __initconst = "NCT6775F"; + static const char sio_name_NCT6776[] __initconst = "NCT6776F"; u16 val; const char *sio_name; diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c index c976285d313e..fa080ebd568f 100644 --- a/drivers/idle/i7300_idle.c +++ b/drivers/idle/i7300_idle.c @@ -516,12 +516,6 @@ static struct notifier_block i7300_idle_nb = { MODULE_DEVICE_TABLE(pci, pci_tbl); -int stats_open_generic(struct inode *inode, struct file *fp) -{ - fp->private_data = inode->i_private; - return 0; -} - static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count, loff_t *off) { @@ -534,7 +528,7 @@ static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count, } static const struct file_operations idle_fops = { - .open = stats_open_generic, + .open = simple_open, .read = stats_read_ul, .llseek = default_llseek, }; diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index ae2ec929e52f..a5bee8e2dfce 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2707,7 +2707,8 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist, * The exported alloc_coherent function for dma_ops. */ static void *alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addr, gfp_t flag) + dma_addr_t *dma_addr, gfp_t flag, + struct dma_attrs *attrs) { unsigned long flags; void *virt_addr; @@ -2765,7 +2766,8 @@ out_free: * The exported free_coherent function for dma_ops. */ static void free_coherent(struct device *dev, size_t size, - void *virt_addr, dma_addr_t dma_addr) + void *virt_addr, dma_addr_t dma_addr, + struct dma_attrs *attrs) { unsigned long flags; struct protection_domain *domain; @@ -2846,8 +2848,8 @@ static void __init prealloc_protection_domains(void) } static struct dma_map_ops amd_iommu_dma_ops = { - .alloc_coherent = alloc_coherent, - .free_coherent = free_coherent, + .alloc = alloc_coherent, + .free = free_coherent, .map_page = map_page, .unmap_page = unmap_page, .map_sg = map_sg, diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 132f93b05154..f93d5ac8f81c 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2949,7 +2949,8 @@ static void intel_unmap_page(struct device *dev, dma_addr_t dev_addr, } static void *intel_alloc_coherent(struct device *hwdev, size_t size, - dma_addr_t *dma_handle, gfp_t flags) + dma_addr_t *dma_handle, gfp_t flags, + struct dma_attrs *attrs) { void *vaddr; int order; @@ -2981,7 +2982,7 @@ static void *intel_alloc_coherent(struct device *hwdev, size_t size, } static void intel_free_coherent(struct device *hwdev, size_t size, void *vaddr, - dma_addr_t dma_handle) + dma_addr_t dma_handle, struct dma_attrs *attrs) { int order; @@ -3126,8 +3127,8 @@ static int intel_mapping_error(struct device *dev, dma_addr_t dma_addr) } struct dma_map_ops intel_dma_ops = { - .alloc_coherent = intel_alloc_coherent, - .free_coherent = intel_free_coherent, + .alloc = intel_alloc_coherent, + .free = intel_free_coherent, .map_sg = intel_map_sg, .unmap_sg = intel_unmap_sg, .map_page = intel_map_page, diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index 103dbd92e256..f55fc5dfbadc 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -323,15 +323,9 @@ err_out: return count; } -static int debug_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUG_FOPS(name) \ static const struct file_operations debug_##name##_fops = { \ - .open = debug_open_generic, \ + .open = simple_open, \ .read = debug_read_##name, \ .write = debug_write_##name, \ .llseek = generic_file_llseek, \ @@ -339,7 +333,7 @@ static int debug_open_generic(struct inode *inode, struct file *file) #define DEBUG_FOPS_RO(name) \ static const struct file_operations debug_##name##_fops = { \ - .open = debug_open_generic, \ + .open = simple_open, \ .read = debug_read_##name, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/isdn/hardware/mISDN/avmfritz.c b/drivers/isdn/hardware/mISDN/avmfritz.c index 05ed4d0cb18b..c0b8c960ee3f 100644 --- a/drivers/isdn/hardware/mISDN/avmfritz.c +++ b/drivers/isdn/hardware/mISDN/avmfritz.c @@ -891,7 +891,7 @@ open_bchannel(struct fritzcard *fc, struct channel_req *rq) { struct bchannel *bch; - if (rq->adr.channel > 2) + if (rq->adr.channel == 0 || rq->adr.channel > 2) return -EINVAL; if (rq->protocol == ISDN_P_NONE) return -EINVAL; diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c index d055ae7fa040..e2c83a2d7691 100644 --- a/drivers/isdn/hardware/mISDN/hfcpci.c +++ b/drivers/isdn/hardware/mISDN/hfcpci.c @@ -1962,7 +1962,7 @@ open_bchannel(struct hfc_pci *hc, struct channel_req *rq) { struct bchannel *bch; - if (rq->adr.channel > 2) + if (rq->adr.channel == 0 || rq->adr.channel > 2) return -EINVAL; if (rq->protocol == ISDN_P_NONE) return -EINVAL; diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index 602338734634..8cde2a0538ab 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -486,7 +486,7 @@ open_bchannel(struct hfcsusb *hw, struct channel_req *rq) { struct bchannel *bch; - if (rq->adr.channel > 2) + if (rq->adr.channel == 0 || rq->adr.channel > 2) return -EINVAL; if (rq->protocol == ISDN_P_NONE) return -EINVAL; diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c index b47e9bed2185..884369f09cad 100644 --- a/drivers/isdn/hardware/mISDN/mISDNipac.c +++ b/drivers/isdn/hardware/mISDN/mISDNipac.c @@ -1506,7 +1506,7 @@ open_bchannel(struct ipac_hw *ipac, struct channel_req *rq) { struct bchannel *bch; - if (rq->adr.channel > 2) + if (rq->adr.channel == 0 || rq->adr.channel > 2) return -EINVAL; if (rq->protocol == ISDN_P_NONE) return -EINVAL; diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c index 10446ab404b5..9a6da6edcfa8 100644 --- a/drivers/isdn/hardware/mISDN/mISDNisar.c +++ b/drivers/isdn/hardware/mISDN/mISDNisar.c @@ -1670,7 +1670,7 @@ isar_open(struct isar_hw *isar, struct channel_req *rq) { struct bchannel *bch; - if (rq->adr.channel > 2) + if (rq->adr.channel == 0 || rq->adr.channel > 2) return -EINVAL; if (rq->protocol == ISDN_P_NONE) return -EINVAL; diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c index dd6de9f7a8a3..c726e09d0981 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -860,7 +860,7 @@ open_bchannel(struct tiger_hw *card, struct channel_req *rq) { struct bchannel *bch; - if (rq->adr.channel > 2) + if (rq->adr.channel == 0 || rq->adr.channel > 2) return -EINVAL; if (rq->protocol == ISDN_P_NONE) return -EINVAL; diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c index 7f1e7ba75cd1..2183357f0799 100644 --- a/drivers/isdn/hardware/mISDN/w6692.c +++ b/drivers/isdn/hardware/mISDN/w6692.c @@ -1015,7 +1015,7 @@ open_bchannel(struct w6692_hw *card, struct channel_req *rq) { struct bchannel *bch; - if (rq->adr.channel > 2) + if (rq->adr.channel == 0 || rq->adr.channel > 2) return -EINVAL; if (rq->protocol == ISDN_P_NONE) return -EINVAL; diff --git a/drivers/md/linear.c b/drivers/md/linear.c index b0fcc7d02adb..fa211d80fc0a 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -198,6 +198,7 @@ out: static int linear_run (struct mddev *mddev) { struct linear_conf *conf; + int ret; if (md_check_no_bitmap(mddev)) return -EINVAL; @@ -211,7 +212,13 @@ static int linear_run (struct mddev *mddev) blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec); mddev->queue->backing_dev_info.congested_fn = linear_congested; mddev->queue->backing_dev_info.congested_data = mddev; - return md_integrity_register(mddev); + + ret = md_integrity_register(mddev); + if (ret) { + kfree(conf); + mddev->private = NULL; + } + return ret; } static int linear_add(struct mddev *mddev, struct md_rdev *rdev) diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 6f31f5596e01..de63a1fc3737 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -407,6 +407,8 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks return array_sectors; } +static int raid0_stop(struct mddev *mddev); + static int raid0_run(struct mddev *mddev) { struct r0conf *conf; @@ -454,7 +456,12 @@ static int raid0_run(struct mddev *mddev) blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec); dump_zones(mddev); - return md_integrity_register(mddev); + + ret = md_integrity_register(mddev); + if (ret) + raid0_stop(mddev); + + return ret; } static int raid0_stop(struct mddev *mddev) @@ -625,6 +632,7 @@ static void *raid0_takeover_raid10(struct mddev *mddev) static void *raid0_takeover_raid1(struct mddev *mddev) { struct r0conf *priv_conf; + int chunksect; /* Check layout: * - (N - 1) mirror drives must be already faulty @@ -635,10 +643,25 @@ static void *raid0_takeover_raid1(struct mddev *mddev) return ERR_PTR(-EINVAL); } + /* + * a raid1 doesn't have the notion of chunk size, so + * figure out the largest suitable size we can use. + */ + chunksect = 64 * 2; /* 64K by default */ + + /* The array must be an exact multiple of chunksize */ + while (chunksect && (mddev->array_sectors & (chunksect - 1))) + chunksect >>= 1; + + if ((chunksect << 9) < PAGE_SIZE) + /* array size does not allow a suitable chunk size */ + return ERR_PTR(-EINVAL); + /* Set new parameters */ mddev->new_level = 0; mddev->new_layout = 0; - mddev->new_chunk_sectors = 128; /* by default set chunk size to 64k */ + mddev->new_chunk_sectors = chunksect; + mddev->chunk_sectors = chunksect; mddev->delta_disks = 1 - mddev->raid_disks; mddev->raid_disks = 1; /* make sure it will be not marked as dirty */ diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 4a40a200d769..d35e4c991e38 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1738,7 +1738,7 @@ static int process_checks(struct r1bio *r1_bio) s = sbio->bi_io_vec[j].bv_page; if (memcmp(page_address(p), page_address(s), - PAGE_SIZE)) + sbio->bi_io_vec[j].bv_len)) break; } } else @@ -2386,8 +2386,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp int ok = 1; for (i = 0 ; i < conf->raid_disks * 2 ; i++) if (r1_bio->bios[i]->bi_end_io == end_sync_write) { - struct md_rdev *rdev = - rcu_dereference(conf->mirrors[i].rdev); + struct md_rdev *rdev = conf->mirrors[i].rdev; ok = rdev_set_badblocks(rdev, sector_nr, min_bad, 0 ) && ok; @@ -2636,11 +2635,13 @@ static struct r1conf *setup_conf(struct mddev *mddev) return ERR_PTR(err); } +static int stop(struct mddev *mddev); static int run(struct mddev *mddev) { struct r1conf *conf; int i; struct md_rdev *rdev; + int ret; if (mddev->level != 1) { printk(KERN_ERR "md/raid1:%s: raid level not set to mirroring (%d)\n", @@ -2705,7 +2706,11 @@ static int run(struct mddev *mddev) mddev->queue->backing_dev_info.congested_data = mddev; blk_queue_merge_bvec(mddev->queue, raid1_mergeable_bvec); } - return md_integrity_register(mddev); + + ret = md_integrity_register(mddev); + if (ret) + stop(mddev); + return ret; } static int stop(struct mddev *mddev) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 3540316886f2..fff782189e48 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1821,7 +1821,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) for (j = 0; j < vcnt; j++) if (memcmp(page_address(fbio->bi_io_vec[j].bv_page), page_address(tbio->bi_io_vec[j].bv_page), - PAGE_SIZE)) + fbio->bi_io_vec[j].bv_len)) break; if (j == vcnt) continue; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 23ac880bba9a..f351422938e0 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2471,39 +2471,41 @@ handle_failed_sync(struct r5conf *conf, struct stripe_head *sh, int abort = 0; int i; - md_done_sync(conf->mddev, STRIPE_SECTORS, 0); clear_bit(STRIPE_SYNCING, &sh->state); s->syncing = 0; s->replacing = 0; /* There is nothing more to do for sync/check/repair. + * Don't even need to abort as that is handled elsewhere + * if needed, and not always wanted e.g. if there is a known + * bad block here. * For recover/replace we need to record a bad block on all * non-sync devices, or abort the recovery */ - if (!test_bit(MD_RECOVERY_RECOVER, &conf->mddev->recovery)) - return; - /* During recovery devices cannot be removed, so locking and - * refcounting of rdevs is not needed - */ - for (i = 0; i < conf->raid_disks; i++) { - struct md_rdev *rdev = conf->disks[i].rdev; - if (rdev - && !test_bit(Faulty, &rdev->flags) - && !test_bit(In_sync, &rdev->flags) - && !rdev_set_badblocks(rdev, sh->sector, - STRIPE_SECTORS, 0)) - abort = 1; - rdev = conf->disks[i].replacement; - if (rdev - && !test_bit(Faulty, &rdev->flags) - && !test_bit(In_sync, &rdev->flags) - && !rdev_set_badblocks(rdev, sh->sector, - STRIPE_SECTORS, 0)) - abort = 1; - } - if (abort) { - conf->recovery_disabled = conf->mddev->recovery_disabled; - set_bit(MD_RECOVERY_INTR, &conf->mddev->recovery); + if (test_bit(MD_RECOVERY_RECOVER, &conf->mddev->recovery)) { + /* During recovery devices cannot be removed, so + * locking and refcounting of rdevs is not needed + */ + for (i = 0; i < conf->raid_disks; i++) { + struct md_rdev *rdev = conf->disks[i].rdev; + if (rdev + && !test_bit(Faulty, &rdev->flags) + && !test_bit(In_sync, &rdev->flags) + && !rdev_set_badblocks(rdev, sh->sector, + STRIPE_SECTORS, 0)) + abort = 1; + rdev = conf->disks[i].replacement; + if (rdev + && !test_bit(Faulty, &rdev->flags) + && !test_bit(In_sync, &rdev->flags) + && !rdev_set_badblocks(rdev, sh->sector, + STRIPE_SECTORS, 0)) + abort = 1; + } + if (abort) + conf->recovery_disabled = + conf->mddev->recovery_disabled; } + md_done_sync(conf->mddev, STRIPE_SECTORS, !abort); } static int want_replace(struct stripe_head *sh, int disk_idx) @@ -3203,7 +3205,8 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) /* Not in-sync */; else if (is_bad) { /* also not in-sync */ - if (!test_bit(WriteErrorSeen, &rdev->flags)) { + if (!test_bit(WriteErrorSeen, &rdev->flags) && + test_bit(R5_UPTODATE, &dev->flags)) { /* treat as in-sync, but with a read error * which we can now try to correct */ @@ -3276,12 +3279,14 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) /* If there is a failed device being replaced, * we must be recovering. * else if we are after recovery_cp, we must be syncing + * else if MD_RECOVERY_REQUESTED is set, we also are syncing. * else we can only be replacing * sync and recovery both need to read all devices, and so * use the same flag. */ if (do_recovery || - sh->sector >= conf->mddev->recovery_cp) + sh->sector >= conf->mddev->recovery_cp || + test_bit(MD_RECOVERY_REQUESTED, &(conf->mddev->recovery))) s->syncing = 1; else s->replacing = 1; diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c index 3aa36eb5c79b..44a3fdbadef4 100644 --- a/drivers/mfd/aat2870-core.c +++ b/drivers/mfd/aat2870-core.c @@ -262,13 +262,6 @@ static ssize_t aat2870_dump_reg(struct aat2870_data *aat2870, char *buf) return count; } -static int aat2870_reg_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static ssize_t aat2870_reg_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -330,7 +323,7 @@ static ssize_t aat2870_reg_write_file(struct file *file, } static const struct file_operations aat2870_reg_fops = { - .open = aat2870_reg_open_file, + .open = simple_open, .read = aat2870_reg_read_file, .write = aat2870_reg_write_file, }; diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c index 60107ee166fc..1efad20fb175 100644 --- a/drivers/mfd/ab3100-core.c +++ b/drivers/mfd/ab3100-core.c @@ -483,12 +483,6 @@ struct ab3100_get_set_reg_priv { bool mode; }; -static int ab3100_get_set_reg_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t ab3100_get_set_reg(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -583,7 +577,7 @@ static ssize_t ab3100_get_set_reg(struct file *file, } static const struct file_operations ab3100_get_set_reg_fops = { - .open = ab3100_get_set_reg_open_file, + .open = simple_open, .write = ab3100_get_set_reg, .llseek = noop_llseek, }; diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 1c034b80d408..6673e578b3e9 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -500,12 +500,6 @@ static ssize_t r_heartbeat_file_write(struct file *file, const char __user *buf, return 1; } -static int remote_settings_file_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static int remote_settings_file_close(struct inode *inode, struct file *file) { return 0; @@ -600,7 +594,7 @@ static const struct file_operations r_heartbeat_fops = { }; static const struct file_operations remote_settings_fops = { - .open = remote_settings_file_open, + .open = simple_open, .release = remote_settings_file_close, .read = remote_settings_file_read, .write = remote_settings_file_write, diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c index 3f7ad83ed740..3aa9a969b373 100644 --- a/drivers/misc/kgdbts.c +++ b/drivers/misc/kgdbts.c @@ -134,12 +134,17 @@ static int force_hwbrks; static int hwbreaks_ok; static int hw_break_val; static int hw_break_val2; +static int cont_instead_of_sstep; +static unsigned long cont_thread_id; +static unsigned long sstep_thread_id; #if defined(CONFIG_ARM) || defined(CONFIG_MIPS) || defined(CONFIG_SPARC) static int arch_needs_sstep_emulation = 1; #else static int arch_needs_sstep_emulation; #endif +static unsigned long cont_addr; static unsigned long sstep_addr; +static int restart_from_top_after_write; static int sstep_state; /* Storage for the registers, in GDB format. */ @@ -187,7 +192,8 @@ static int kgdbts_unreg_thread(void *ptr) */ while (!final_ack) msleep_interruptible(1500); - + /* Pause for any other threads to exit after final ack. */ + msleep_interruptible(1000); if (configured) kgdb_unregister_io_module(&kgdbts_io_ops); configured = 0; @@ -211,7 +217,7 @@ static unsigned long lookup_addr(char *arg) if (!strcmp(arg, "kgdbts_break_test")) addr = (unsigned long)kgdbts_break_test; else if (!strcmp(arg, "sys_open")) - addr = (unsigned long)sys_open; + addr = (unsigned long)do_sys_open; else if (!strcmp(arg, "do_fork")) addr = (unsigned long)do_fork; else if (!strcmp(arg, "hw_break_val")) @@ -283,6 +289,16 @@ static void hw_break_val_write(void) hw_break_val++; } +static int get_thread_id_continue(char *put_str, char *arg) +{ + char *ptr = &put_str[11]; + + if (put_str[1] != 'T' || put_str[2] != '0') + return 1; + kgdb_hex2long(&ptr, &cont_thread_id); + return 0; +} + static int check_and_rewind_pc(char *put_str, char *arg) { unsigned long addr = lookup_addr(arg); @@ -299,13 +315,21 @@ static int check_and_rewind_pc(char *put_str, char *arg) if (addr + BREAK_INSTR_SIZE == ip) offset = -BREAK_INSTR_SIZE; #endif - if (strcmp(arg, "silent") && ip + offset != addr) { + + if (arch_needs_sstep_emulation && sstep_addr && + ip + offset == sstep_addr && + ((!strcmp(arg, "sys_open") || !strcmp(arg, "do_fork")))) { + /* This is special case for emulated single step */ + v2printk("Emul: rewind hit single step bp\n"); + restart_from_top_after_write = 1; + } else if (strcmp(arg, "silent") && ip + offset != addr) { eprintk("kgdbts: BP mismatch %lx expected %lx\n", ip + offset, addr); return 1; } /* Readjust the instruction pointer if needed */ ip += offset; + cont_addr = ip; #ifdef GDB_ADJUSTS_BREAK_OFFSET instruction_pointer_set(&kgdbts_regs, ip); #endif @@ -315,6 +339,8 @@ static int check_and_rewind_pc(char *put_str, char *arg) static int check_single_step(char *put_str, char *arg) { unsigned long addr = lookup_addr(arg); + static int matched_id; + /* * From an arch indepent point of view the instruction pointer * should be on a different instruction @@ -324,6 +350,29 @@ static int check_single_step(char *put_str, char *arg) gdb_regs_to_pt_regs(kgdbts_gdb_regs, &kgdbts_regs); v2printk("Singlestep stopped at IP: %lx\n", instruction_pointer(&kgdbts_regs)); + + if (sstep_thread_id != cont_thread_id) { + /* + * Ensure we stopped in the same thread id as before, else the + * debugger should continue until the original thread that was + * single stepped is scheduled again, emulating gdb's behavior. + */ + v2printk("ThrID does not match: %lx\n", cont_thread_id); + if (arch_needs_sstep_emulation) { + if (matched_id && + instruction_pointer(&kgdbts_regs) != addr) + goto continue_test; + matched_id++; + ts.idx -= 2; + sstep_state = 0; + return 0; + } + cont_instead_of_sstep = 1; + ts.idx -= 4; + return 0; + } +continue_test: + matched_id = 0; if (instruction_pointer(&kgdbts_regs) == addr) { eprintk("kgdbts: SingleStep failed at %lx\n", instruction_pointer(&kgdbts_regs)); @@ -365,10 +414,40 @@ static int got_break(char *put_str, char *arg) return 1; } +static void get_cont_catch(char *arg) +{ + /* Always send detach because the test is completed at this point */ + fill_get_buf("D"); +} + +static int put_cont_catch(char *put_str, char *arg) +{ + /* This is at the end of the test and we catch any and all input */ + v2printk("kgdbts: cleanup task: %lx\n", sstep_thread_id); + ts.idx--; + return 0; +} + +static int emul_reset(char *put_str, char *arg) +{ + if (strncmp(put_str, "$OK", 3)) + return 1; + if (restart_from_top_after_write) { + restart_from_top_after_write = 0; + ts.idx = -1; + } + return 0; +} + static void emul_sstep_get(char *arg) { if (!arch_needs_sstep_emulation) { - fill_get_buf(arg); + if (cont_instead_of_sstep) { + cont_instead_of_sstep = 0; + fill_get_buf("c"); + } else { + fill_get_buf(arg); + } return; } switch (sstep_state) { @@ -398,9 +477,11 @@ static void emul_sstep_get(char *arg) static int emul_sstep_put(char *put_str, char *arg) { if (!arch_needs_sstep_emulation) { - if (!strncmp(put_str+1, arg, 2)) - return 0; - return 1; + char *ptr = &put_str[11]; + if (put_str[1] != 'T' || put_str[2] != '0') + return 1; + kgdb_hex2long(&ptr, &sstep_thread_id); + return 0; } switch (sstep_state) { case 1: @@ -411,8 +492,7 @@ static int emul_sstep_put(char *put_str, char *arg) v2printk("Stopped at IP: %lx\n", instruction_pointer(&kgdbts_regs)); /* Want to stop at IP + break instruction size by default */ - sstep_addr = instruction_pointer(&kgdbts_regs) + - BREAK_INSTR_SIZE; + sstep_addr = cont_addr + BREAK_INSTR_SIZE; break; case 2: if (strncmp(put_str, "$OK", 3)) { @@ -424,6 +504,9 @@ static int emul_sstep_put(char *put_str, char *arg) if (strncmp(put_str, "$T0", 3)) { eprintk("kgdbts: failed continue sstep\n"); return 1; + } else { + char *ptr = &put_str[11]; + kgdb_hex2long(&ptr, &sstep_thread_id); } break; case 4: @@ -502,10 +585,10 @@ static struct test_struct bad_read_test[] = { static struct test_struct singlestep_break_test[] = { { "?", "S0*" }, /* Clear break points */ { "kgdbts_break_test", "OK", sw_break, }, /* set sw breakpoint */ - { "c", "T0*", }, /* Continue */ + { "c", "T0*", NULL, get_thread_id_continue }, /* Continue */ + { "kgdbts_break_test", "OK", sw_rem_break }, /*remove breakpoint */ { "g", "kgdbts_break_test", NULL, check_and_rewind_pc }, { "write", "OK", write_regs }, /* Write registers */ - { "kgdbts_break_test", "OK", sw_rem_break }, /*remove breakpoint */ { "s", "T0*", emul_sstep_get, emul_sstep_put }, /* Single step */ { "g", "kgdbts_break_test", NULL, check_single_step }, { "kgdbts_break_test", "OK", sw_break, }, /* set sw breakpoint */ @@ -523,16 +606,16 @@ static struct test_struct singlestep_break_test[] = { static struct test_struct do_fork_test[] = { { "?", "S0*" }, /* Clear break points */ { "do_fork", "OK", sw_break, }, /* set sw breakpoint */ - { "c", "T0*", }, /* Continue */ - { "g", "do_fork", NULL, check_and_rewind_pc }, /* check location */ - { "write", "OK", write_regs }, /* Write registers */ + { "c", "T0*", NULL, get_thread_id_continue }, /* Continue */ { "do_fork", "OK", sw_rem_break }, /*remove breakpoint */ + { "g", "do_fork", NULL, check_and_rewind_pc }, /* check location */ + { "write", "OK", write_regs, emul_reset }, /* Write registers */ { "s", "T0*", emul_sstep_get, emul_sstep_put }, /* Single step */ { "g", "do_fork", NULL, check_single_step }, { "do_fork", "OK", sw_break, }, /* set sw breakpoint */ { "7", "T0*", skip_back_repeat_test }, /* Loop based on repeat_test */ { "D", "OK", NULL, final_ack_set }, /* detach and unregister I/O */ - { "", "" }, + { "", "", get_cont_catch, put_cont_catch }, }; /* Test for hitting a breakpoint at sys_open for what ever the number @@ -541,16 +624,16 @@ static struct test_struct do_fork_test[] = { static struct test_struct sys_open_test[] = { { "?", "S0*" }, /* Clear break points */ { "sys_open", "OK", sw_break, }, /* set sw breakpoint */ - { "c", "T0*", }, /* Continue */ - { "g", "sys_open", NULL, check_and_rewind_pc }, /* check location */ - { "write", "OK", write_regs }, /* Write registers */ + { "c", "T0*", NULL, get_thread_id_continue }, /* Continue */ { "sys_open", "OK", sw_rem_break }, /*remove breakpoint */ + { "g", "sys_open", NULL, check_and_rewind_pc }, /* check location */ + { "write", "OK", write_regs, emul_reset }, /* Write registers */ { "s", "T0*", emul_sstep_get, emul_sstep_put }, /* Single step */ { "g", "sys_open", NULL, check_single_step }, { "sys_open", "OK", sw_break, }, /* set sw breakpoint */ { "7", "T0*", skip_back_repeat_test }, /* Loop based on repeat_test */ { "D", "OK", NULL, final_ack_set }, /* detach and unregister I/O */ - { "", "" }, + { "", "", get_cont_catch, put_cont_catch }, }; /* @@ -693,8 +776,8 @@ static int run_simple_test(int is_get_char, int chr) /* This callback is a put char which is when kgdb sends data to * this I/O module. */ - if (ts.tst[ts.idx].get[0] == '\0' && - ts.tst[ts.idx].put[0] == '\0') { + if (ts.tst[ts.idx].get[0] == '\0' && ts.tst[ts.idx].put[0] == '\0' && + !ts.tst[ts.idx].get_handler) { eprintk("kgdbts: ERROR: beyond end of test on" " '%s' line %i\n", ts.name, ts.idx); return 0; @@ -907,6 +990,17 @@ static void kgdbts_run_tests(void) if (ptr) sstep_test = simple_strtol(ptr+1, NULL, 10); + /* All HW break point tests */ + if (arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT) { + hwbreaks_ok = 1; + v1printk("kgdbts:RUN hw breakpoint test\n"); + run_breakpoint_test(1); + v1printk("kgdbts:RUN hw write breakpoint test\n"); + run_hw_break_test(1); + v1printk("kgdbts:RUN access write breakpoint test\n"); + run_hw_break_test(0); + } + /* required internal KGDB tests */ v1printk("kgdbts:RUN plant and detach test\n"); run_plant_and_detach_test(0); @@ -924,35 +1018,11 @@ static void kgdbts_run_tests(void) /* ===Optional tests=== */ - /* All HW break point tests */ - if (arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT) { - hwbreaks_ok = 1; - v1printk("kgdbts:RUN hw breakpoint test\n"); - run_breakpoint_test(1); - v1printk("kgdbts:RUN hw write breakpoint test\n"); - run_hw_break_test(1); - v1printk("kgdbts:RUN access write breakpoint test\n"); - run_hw_break_test(0); - } - if (nmi_sleep) { v1printk("kgdbts:RUN NMI sleep %i seconds test\n", nmi_sleep); run_nmi_sleep_test(nmi_sleep); } -#ifdef CONFIG_DEBUG_RODATA - /* Until there is an api to write to read-only text segments, use - * HW breakpoints for the remainder of any tests, else print a - * failure message if hw breakpoints do not work. - */ - if (!(arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT && hwbreaks_ok)) { - eprintk("kgdbts: HW breakpoints do not work," - "skipping remaining tests\n"); - return; - } - force_hwbrks = 1; -#endif /* CONFIG_DEBUG_RODATA */ - /* If the do_fork test is run it will be the last test that is * executed because a kernel thread will be spawned at the very * end to unregister the debug hooks. diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index eed213a5c8cb..b1809650b7aa 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1623,24 +1623,6 @@ static int mmc_blk_alloc_parts(struct mmc_card *card, struct mmc_blk_data *md) return ret; } -static int -mmc_blk_set_blksize(struct mmc_blk_data *md, struct mmc_card *card) -{ - int err; - - mmc_claim_host(card->host); - err = mmc_set_blocklen(card, 512); - mmc_release_host(card->host); - - if (err) { - pr_err("%s: unable to set block size to 512: %d\n", - md->disk->disk_name, err); - return -EINVAL; - } - - return 0; -} - static void mmc_blk_remove_req(struct mmc_blk_data *md) { struct mmc_card *card; @@ -1768,7 +1750,6 @@ static const struct mmc_fixup blk_fixups[] = static int mmc_blk_probe(struct mmc_card *card) { struct mmc_blk_data *md, *part_md; - int err; char cap_str[10]; /* @@ -1781,10 +1762,6 @@ static int mmc_blk_probe(struct mmc_card *card) if (IS_ERR(md)) return PTR_ERR(md); - err = mmc_blk_set_blksize(md, card); - if (err) - goto out; - string_get_size((u64)get_capacity(md->disk) << 9, STRING_UNITS_2, cap_str, sizeof(cap_str)); pr_info("%s: %s %s %s %s\n", @@ -1809,7 +1786,7 @@ static int mmc_blk_probe(struct mmc_card *card) out: mmc_blk_remove_parts(card, md); mmc_blk_remove_req(md); - return err; + return 0; } static void mmc_blk_remove(struct mmc_card *card) @@ -1845,8 +1822,6 @@ static int mmc_blk_resume(struct mmc_card *card) struct mmc_blk_data *md = mmc_get_drvdata(card); if (md) { - mmc_blk_set_blksize(md, card); - /* * Resume involves the card going into idle state, * so current partition is always the main one. diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 5d011a39dfff..3f606068d552 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -267,6 +267,15 @@ int mmc_add_card(struct mmc_card *card) { int ret; const char *type; + const char *uhs_bus_speed_mode = ""; + static const char *const uhs_speeds[] = { + [UHS_SDR12_BUS_SPEED] = "SDR12 ", + [UHS_SDR25_BUS_SPEED] = "SDR25 ", + [UHS_SDR50_BUS_SPEED] = "SDR50 ", + [UHS_SDR104_BUS_SPEED] = "SDR104 ", + [UHS_DDR50_BUS_SPEED] = "DDR50 ", + }; + dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca); @@ -296,6 +305,10 @@ int mmc_add_card(struct mmc_card *card) break; } + if (mmc_sd_card_uhs(card) && + (card->sd_bus_speed < ARRAY_SIZE(uhs_speeds))) + uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed]; + if (mmc_host_is_spi(card->host)) { pr_info("%s: new %s%s%s card on SPI\n", mmc_hostname(card->host), @@ -303,13 +316,13 @@ int mmc_add_card(struct mmc_card *card) mmc_card_ddr_mode(card) ? "DDR " : "", type); } else { - pr_info("%s: new %s%s%s%s card at address %04x\n", + pr_info("%s: new %s%s%s%s%s card at address %04x\n", mmc_hostname(card->host), mmc_card_uhs(card) ? "ultra high speed " : (mmc_card_highspeed(card) ? "high speed " : ""), (mmc_card_hs200(card) ? "HS200 " : ""), mmc_card_ddr_mode(card) ? "DDR " : "", - type, card->rca); + uhs_bus_speed_mode, type, card->rca); } #ifdef CONFIG_DEBUG_FS diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 14f262e9246d..7474c47b9c08 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -527,10 +527,14 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card) if (data->flags & MMC_DATA_WRITE) /* - * The limit is really 250 ms, but that is - * insufficient for some crappy cards. + * The MMC spec "It is strongly recommended + * for hosts to implement more than 500ms + * timeout value even if the card indicates + * the 250ms maximum busy length." Even the + * previous value of 300ms is known to be + * insufficient for some cards. */ - limit_us = 300000; + limit_us = 3000000; else limit_us = 100000; diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 02914d609a91..54df5adc0413 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -695,6 +695,11 @@ static int mmc_select_powerclass(struct mmc_card *card, else if (host->ios.clock <= 200000000) index = EXT_CSD_PWR_CL_200_195; break; + case MMC_VDD_27_28: + case MMC_VDD_28_29: + case MMC_VDD_29_30: + case MMC_VDD_30_31: + case MMC_VDD_31_32: case MMC_VDD_32_33: case MMC_VDD_33_34: case MMC_VDD_34_35: @@ -1111,11 +1116,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, ext_csd_bits = (bus_width == MMC_BUS_WIDTH_8) ? EXT_CSD_BUS_WIDTH_8 : EXT_CSD_BUS_WIDTH_4; err = mmc_select_powerclass(card, ext_csd_bits, ext_csd); - if (err) { - pr_err("%s: power class selection to bus width %d failed\n", - mmc_hostname(card->host), 1 << bus_width); - goto err; - } + if (err) + pr_warning("%s: power class selection to bus width %d" + " failed\n", mmc_hostname(card->host), + 1 << bus_width); } /* @@ -1147,10 +1151,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, err = mmc_select_powerclass(card, ext_csd_bits[idx][0], ext_csd); if (err) - pr_err("%s: power class selection to " - "bus width %d failed\n", - mmc_hostname(card->host), - 1 << bus_width); + pr_warning("%s: power class selection to " + "bus width %d failed\n", + mmc_hostname(card->host), + 1 << bus_width); err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, @@ -1178,10 +1182,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, err = mmc_select_powerclass(card, ext_csd_bits[idx][1], ext_csd); if (err) - pr_err("%s: power class selection to " - "bus width %d ddr %d failed\n", - mmc_hostname(card->host), - 1 << bus_width, ddr); + pr_warning("%s: power class selection to " + "bus width %d ddr %d failed\n", + mmc_hostname(card->host), + 1 << bus_width, ddr); err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index 40989e6bb53a..236842ec955a 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -192,9 +192,15 @@ static int sdio_bus_remove(struct device *dev) return ret; } -#ifdef CONFIG_PM_RUNTIME +#ifdef CONFIG_PM + +static int pm_no_operation(struct device *dev) +{ + return 0; +} static const struct dev_pm_ops sdio_bus_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation) SET_RUNTIME_PM_OPS( pm_generic_runtime_suspend, pm_generic_runtime_resume, @@ -204,11 +210,11 @@ static const struct dev_pm_ops sdio_bus_pm_ops = { #define SDIO_PM_OPS_PTR (&sdio_bus_pm_ops) -#else /* !CONFIG_PM_RUNTIME */ +#else /* !CONFIG_PM */ #define SDIO_PM_OPS_PTR NULL -#endif /* !CONFIG_PM_RUNTIME */ +#endif /* !CONFIG_PM */ static struct bus_type sdio_bus_type = { .name = "sdio", diff --git a/drivers/mmc/host/atmel-mci-regs.h b/drivers/mmc/host/atmel-mci-regs.h index 000b3ad0f5ca..787aba1682bb 100644 --- a/drivers/mmc/host/atmel-mci-regs.h +++ b/drivers/mmc/host/atmel-mci-regs.h @@ -31,6 +31,7 @@ # define ATMCI_MR_PDCFBYTE ( 1 << 13) /* Force Byte Transfer */ # define ATMCI_MR_PDCPADV ( 1 << 14) /* Padding Value */ # define ATMCI_MR_PDCMODE ( 1 << 15) /* PDC-oriented Mode */ +# define ATMCI_MR_CLKODD(x) ((x) << 16) /* LSB of Clock Divider */ #define ATMCI_DTOR 0x0008 /* Data Timeout */ # define ATMCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */ # define ATMCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */ diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 9819dc09ce08..e94476beca18 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -77,6 +77,7 @@ struct atmel_mci_caps { bool has_cstor_reg; bool has_highspeed; bool has_rwproof; + bool has_odd_clk_div; }; struct atmel_mci_dma { @@ -482,7 +483,14 @@ err: static inline unsigned int atmci_ns_to_clocks(struct atmel_mci *host, unsigned int ns) { - return (ns * (host->bus_hz / 1000000) + 999) / 1000; + /* + * It is easier here to use us instead of ns for the timeout, + * it prevents from overflows during calculation. + */ + unsigned int us = DIV_ROUND_UP(ns, 1000); + + /* Maximum clock frequency is host->bus_hz/2 */ + return us * (DIV_ROUND_UP(host->bus_hz, 2000000)); } static void atmci_set_timeout(struct atmel_mci *host, @@ -1127,16 +1135,27 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) } /* Calculate clock divider */ - clkdiv = DIV_ROUND_UP(host->bus_hz, 2 * clock_min) - 1; - if (clkdiv > 255) { - dev_warn(&mmc->class_dev, - "clock %u too slow; using %lu\n", - clock_min, host->bus_hz / (2 * 256)); - clkdiv = 255; + if (host->caps.has_odd_clk_div) { + clkdiv = DIV_ROUND_UP(host->bus_hz, clock_min) - 2; + if (clkdiv > 511) { + dev_warn(&mmc->class_dev, + "clock %u too slow; using %lu\n", + clock_min, host->bus_hz / (511 + 2)); + clkdiv = 511; + } + host->mode_reg = ATMCI_MR_CLKDIV(clkdiv >> 1) + | ATMCI_MR_CLKODD(clkdiv & 1); + } else { + clkdiv = DIV_ROUND_UP(host->bus_hz, 2 * clock_min) - 1; + if (clkdiv > 255) { + dev_warn(&mmc->class_dev, + "clock %u too slow; using %lu\n", + clock_min, host->bus_hz / (2 * 256)); + clkdiv = 255; + } + host->mode_reg = ATMCI_MR_CLKDIV(clkdiv); } - host->mode_reg = ATMCI_MR_CLKDIV(clkdiv); - /* * WRPROOF and RDPROOF prevent overruns/underruns by * stopping the clock when the FIFO is full/empty. @@ -2007,35 +2026,35 @@ static void __init atmci_get_cap(struct atmel_mci *host) "version: 0x%x\n", version); host->caps.has_dma = 0; - host->caps.has_pdc = 0; + host->caps.has_pdc = 1; host->caps.has_cfg_reg = 0; host->caps.has_cstor_reg = 0; host->caps.has_highspeed = 0; host->caps.has_rwproof = 0; + host->caps.has_odd_clk_div = 0; /* keep only major version number */ switch (version & 0xf00) { - case 0x100: - case 0x200: - host->caps.has_pdc = 1; - host->caps.has_rwproof = 1; - break; - case 0x300: - case 0x400: case 0x500: + host->caps.has_odd_clk_div = 1; + case 0x400: + case 0x300: #ifdef CONFIG_AT_HDMAC host->caps.has_dma = 1; #else - host->caps.has_dma = 0; dev_info(&host->pdev->dev, "has dma capability but dma engine is not selected, then use pio\n"); #endif + host->caps.has_pdc = 0; host->caps.has_cfg_reg = 1; host->caps.has_cstor_reg = 1; host->caps.has_highspeed = 1; + case 0x200: host->caps.has_rwproof = 1; + case 0x100: break; default: + host->caps.has_pdc = 0; dev_warn(&host->pdev->dev, "Unmanaged mci version, set minimum capabilities\n"); break; diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 47adb161d3ad..5c2b1c10af9c 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1785,7 +1785,7 @@ static inline struct omap_mmc_platform_data } #endif -static int __init omap_hsmmc_probe(struct platform_device *pdev) +static int __devinit omap_hsmmc_probe(struct platform_device *pdev) { struct omap_mmc_platform_data *pdata = pdev->dev.platform_data; struct mmc_host *mmc; @@ -1818,8 +1818,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) if (res == NULL || irq < 0) return -ENXIO; - res->start += pdata->reg_offset; - res->end += pdata->reg_offset; res = request_mem_region(res->start, resource_size(res), pdev->name); if (res == NULL) return -EBUSY; @@ -1843,7 +1841,7 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) host->dma_ch = -1; host->irq = irq; host->slot_id = 0; - host->mapbase = res->start; + host->mapbase = res->start + pdata->reg_offset; host->base = ioremap(host->mapbase, SZ_4K); host->power_mode = MMC_POWER_OFF; host->next_data.cookie = 1; @@ -1875,8 +1873,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) goto err1; } - omap_hsmmc_context_save(host); - if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) { dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n"); mmc->caps2 |= MMC_CAP2_NO_MULTI_READ; @@ -1887,6 +1883,8 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) pm_runtime_set_autosuspend_delay(host->dev, MMC_AUTOSUSPEND_DELAY); pm_runtime_use_autosuspend(host->dev); + omap_hsmmc_context_save(host); + if (cpu_is_omap2430()) { host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck"); /* @@ -2018,8 +2016,7 @@ err_reg: err_irq_cd_init: free_irq(host->irq, host); err_irq: - pm_runtime_mark_last_busy(host->dev); - pm_runtime_put_autosuspend(host->dev); + pm_runtime_put_sync(host->dev); pm_runtime_disable(host->dev); clk_put(host->fclk); if (host->got_dbclk) { @@ -2037,35 +2034,33 @@ err: return ret; } -static int omap_hsmmc_remove(struct platform_device *pdev) +static int __devexit omap_hsmmc_remove(struct platform_device *pdev) { struct omap_hsmmc_host *host = platform_get_drvdata(pdev); struct resource *res; - if (host) { - pm_runtime_get_sync(host->dev); - mmc_remove_host(host->mmc); - if (host->use_reg) - omap_hsmmc_reg_put(host); - if (host->pdata->cleanup) - host->pdata->cleanup(&pdev->dev); - free_irq(host->irq, host); - if (mmc_slot(host).card_detect_irq) - free_irq(mmc_slot(host).card_detect_irq, host); - - pm_runtime_put_sync(host->dev); - pm_runtime_disable(host->dev); - clk_put(host->fclk); - if (host->got_dbclk) { - clk_disable(host->dbclk); - clk_put(host->dbclk); - } + pm_runtime_get_sync(host->dev); + mmc_remove_host(host->mmc); + if (host->use_reg) + omap_hsmmc_reg_put(host); + if (host->pdata->cleanup) + host->pdata->cleanup(&pdev->dev); + free_irq(host->irq, host); + if (mmc_slot(host).card_detect_irq) + free_irq(mmc_slot(host).card_detect_irq, host); - mmc_free_host(host->mmc); - iounmap(host->base); - omap_hsmmc_gpio_free(pdev->dev.platform_data); + pm_runtime_put_sync(host->dev); + pm_runtime_disable(host->dev); + clk_put(host->fclk); + if (host->got_dbclk) { + clk_disable(host->dbclk); + clk_put(host->dbclk); } + mmc_free_host(host->mmc); + iounmap(host->base); + omap_hsmmc_gpio_free(pdev->dev.platform_data); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) release_mem_region(res->start, resource_size(res)); @@ -2078,49 +2073,45 @@ static int omap_hsmmc_remove(struct platform_device *pdev) static int omap_hsmmc_suspend(struct device *dev) { int ret = 0; - struct platform_device *pdev = to_platform_device(dev); - struct omap_hsmmc_host *host = platform_get_drvdata(pdev); + struct omap_hsmmc_host *host = dev_get_drvdata(dev); - if (host && host->suspended) + if (!host) return 0; - if (host) { - pm_runtime_get_sync(host->dev); - host->suspended = 1; - if (host->pdata->suspend) { - ret = host->pdata->suspend(&pdev->dev, - host->slot_id); - if (ret) { - dev_dbg(mmc_dev(host->mmc), - "Unable to handle MMC board" - " level suspend\n"); - host->suspended = 0; - return ret; - } - } - ret = mmc_suspend_host(host->mmc); + if (host && host->suspended) + return 0; + pm_runtime_get_sync(host->dev); + host->suspended = 1; + if (host->pdata->suspend) { + ret = host->pdata->suspend(dev, host->slot_id); if (ret) { + dev_dbg(dev, "Unable to handle MMC board" + " level suspend\n"); host->suspended = 0; - if (host->pdata->resume) { - ret = host->pdata->resume(&pdev->dev, - host->slot_id); - if (ret) - dev_dbg(mmc_dev(host->mmc), - "Unmask interrupt failed\n"); - } - goto err; + return ret; } + } + ret = mmc_suspend_host(host->mmc); - if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) { - omap_hsmmc_disable_irq(host); - OMAP_HSMMC_WRITE(host->base, HCTL, - OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP); + if (ret) { + host->suspended = 0; + if (host->pdata->resume) { + ret = host->pdata->resume(dev, host->slot_id); + if (ret) + dev_dbg(dev, "Unmask interrupt failed\n"); } - if (host->got_dbclk) - clk_disable(host->dbclk); + goto err; + } + if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) { + omap_hsmmc_disable_irq(host); + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP); } + + if (host->got_dbclk) + clk_disable(host->dbclk); err: pm_runtime_put_sync(host->dev); return ret; @@ -2130,38 +2121,37 @@ err: static int omap_hsmmc_resume(struct device *dev) { int ret = 0; - struct platform_device *pdev = to_platform_device(dev); - struct omap_hsmmc_host *host = platform_get_drvdata(pdev); + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + + if (!host) + return 0; if (host && !host->suspended) return 0; - if (host) { - pm_runtime_get_sync(host->dev); + pm_runtime_get_sync(host->dev); - if (host->got_dbclk) - clk_enable(host->dbclk); + if (host->got_dbclk) + clk_enable(host->dbclk); - if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) - omap_hsmmc_conf_bus_power(host); + if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) + omap_hsmmc_conf_bus_power(host); - if (host->pdata->resume) { - ret = host->pdata->resume(&pdev->dev, host->slot_id); - if (ret) - dev_dbg(mmc_dev(host->mmc), - "Unmask interrupt failed\n"); - } + if (host->pdata->resume) { + ret = host->pdata->resume(dev, host->slot_id); + if (ret) + dev_dbg(dev, "Unmask interrupt failed\n"); + } - omap_hsmmc_protect_card(host); + omap_hsmmc_protect_card(host); - /* Notify the core to resume the host */ - ret = mmc_resume_host(host->mmc); - if (ret == 0) - host->suspended = 0; + /* Notify the core to resume the host */ + ret = mmc_resume_host(host->mmc); + if (ret == 0) + host->suspended = 0; - pm_runtime_mark_last_busy(host->dev); - pm_runtime_put_autosuspend(host->dev); - } + pm_runtime_mark_last_busy(host->dev); + pm_runtime_put_autosuspend(host->dev); return ret; @@ -2178,7 +2168,7 @@ static int omap_hsmmc_runtime_suspend(struct device *dev) host = platform_get_drvdata(to_platform_device(dev)); omap_hsmmc_context_save(host); - dev_dbg(mmc_dev(host->mmc), "disabled\n"); + dev_dbg(dev, "disabled\n"); return 0; } @@ -2189,7 +2179,7 @@ static int omap_hsmmc_runtime_resume(struct device *dev) host = platform_get_drvdata(to_platform_device(dev)); omap_hsmmc_context_restore(host); - dev_dbg(mmc_dev(host->mmc), "enabled\n"); + dev_dbg(dev, "enabled\n"); return 0; } @@ -2202,7 +2192,8 @@ static struct dev_pm_ops omap_hsmmc_dev_pm_ops = { }; static struct platform_driver omap_hsmmc_driver = { - .remove = omap_hsmmc_remove, + .probe = omap_hsmmc_probe, + .remove = __devexit_p(omap_hsmmc_remove), .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, @@ -2211,21 +2202,7 @@ static struct platform_driver omap_hsmmc_driver = { }, }; -static int __init omap_hsmmc_init(void) -{ - /* Register the MMC driver */ - return platform_driver_probe(&omap_hsmmc_driver, omap_hsmmc_probe); -} - -static void __exit omap_hsmmc_cleanup(void) -{ - /* Unregister MMC driver */ - platform_driver_unregister(&omap_hsmmc_driver); -} - -module_init(omap_hsmmc_init); -module_exit(omap_hsmmc_cleanup); - +module_platform_driver(omap_hsmmc_driver); MODULE_DESCRIPTION("OMAP High Speed Multimedia Card driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c index 46fd1fd1b605..177f697b5835 100644 --- a/drivers/mmc/host/sdhci-dove.c +++ b/drivers/mmc/host/sdhci-dove.c @@ -20,6 +20,7 @@ */ #include <linux/io.h> +#include <linux/module.h> #include <linux/mmc/host.h> #include "sdhci-pltfm.h" diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index fbbebe251e01..69ef0beae104 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -1418,8 +1418,6 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev, slots = chip->num_slots; /* Quirk may have changed this */ - pci_enable_msi(pdev); - for (i = 0; i < slots; i++) { slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i); if (IS_ERR(slot)) { @@ -1438,8 +1436,6 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev, return 0; free: - pci_disable_msi(pdev); - pci_set_drvdata(pdev, NULL); kfree(chip); @@ -1462,8 +1458,6 @@ static void __devexit sdhci_pci_remove(struct pci_dev *pdev) for (i = 0; i < chip->num_slots; i++) sdhci_pci_remove_slot(chip->slots[i]); - pci_disable_msi(pdev); - pci_set_drvdata(pdev, NULL); kfree(chip); } diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index b19e7d435f8d..55a164fcaa15 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -20,6 +20,10 @@ #include <linux/io.h> #include <linux/gpio.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> #include <linux/mmc/host.h> @@ -53,6 +57,18 @@ struct sdhci_s3c { struct clk *clk_bus[MAX_BUS_CLK]; }; +/** + * struct sdhci_s3c_driver_data - S3C SDHCI platform specific driver data + * @sdhci_quirks: sdhci host specific quirks. + * + * Specifies platform specific configuration of sdhci controller. + * Note: A structure for driver specific platform data is used for future + * expansion of its usage. + */ +struct sdhci_s3c_drv_data { + unsigned int sdhci_quirks; +}; + static inline struct sdhci_s3c *to_s3c(struct sdhci_host *host) { return sdhci_priv(host); @@ -132,10 +148,10 @@ static unsigned int sdhci_s3c_consider_clock(struct sdhci_s3c *ourhost, return UINT_MAX; /* - * Clock divider's step is different as 1 from that of host controller - * when 'clk_type' is S3C_SDHCI_CLK_DIV_EXTERNAL. + * If controller uses a non-standard clock division, find the best clock + * speed possible with selected clock source and skip the division. */ - if (ourhost->pdata->clk_type) { + if (ourhost->host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { rate = clk_round_rate(clksrc, wanted); return wanted - rate; } @@ -272,6 +288,8 @@ static unsigned int sdhci_cmu_get_min_clock(struct sdhci_host *host) static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock) { struct sdhci_s3c *ourhost = to_s3c(host); + unsigned long timeout; + u16 clk = 0; /* don't bother if the clock is going off */ if (clock == 0) @@ -282,6 +300,25 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock) clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock); host->clock = clock; + + clk = SDHCI_CLOCK_INT_EN; + sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); + + /* Wait max 20 ms */ + timeout = 20; + while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL)) + & SDHCI_CLOCK_INT_STABLE)) { + if (timeout == 0) { + printk(KERN_ERR "%s: Internal clock never " + "stabilised.\n", mmc_hostname(host->mmc)); + return; + } + timeout--; + mdelay(1); + } + + clk |= SDHCI_CLOCK_CARD_EN; + sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); } /** @@ -382,16 +419,24 @@ static void sdhci_s3c_setup_card_detect_gpio(struct sdhci_s3c *sc) } } +static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data( + struct platform_device *pdev) +{ + return (struct sdhci_s3c_drv_data *) + platform_get_device_id(pdev)->driver_data; +} + static int __devinit sdhci_s3c_probe(struct platform_device *pdev) { - struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data; + struct s3c_sdhci_platdata *pdata; + struct sdhci_s3c_drv_data *drv_data; struct device *dev = &pdev->dev; struct sdhci_host *host; struct sdhci_s3c *sc; struct resource *res; int ret, irq, ptr, clks; - if (!pdata) { + if (!pdev->dev.platform_data) { dev_err(dev, "no device data specified\n"); return -ENOENT; } @@ -402,18 +447,20 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) return irq; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "no memory specified\n"); - return -ENOENT; - } - host = sdhci_alloc_host(dev, sizeof(struct sdhci_s3c)); if (IS_ERR(host)) { dev_err(dev, "sdhci_alloc_host() failed\n"); return PTR_ERR(host); } + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + ret = -ENOMEM; + goto err_io_clk; + } + memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata)); + + drv_data = sdhci_s3c_get_driver_data(pdev); sc = sdhci_priv(host); sc->host = host; @@ -464,15 +511,8 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) goto err_no_busclks; } - sc->ioarea = request_mem_region(res->start, resource_size(res), - mmc_hostname(host->mmc)); - if (!sc->ioarea) { - dev_err(dev, "failed to reserve register area\n"); - ret = -ENXIO; - goto err_req_regs; - } - - host->ioaddr = ioremap_nocache(res->start, resource_size(res)); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + host->ioaddr = devm_request_and_ioremap(&pdev->dev, res); if (!host->ioaddr) { dev_err(dev, "failed to map registers\n"); ret = -ENXIO; @@ -491,6 +531,8 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) /* Setup quirks for the controller */ host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC; host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; + if (drv_data) + host->quirks |= drv_data->sdhci_quirks; #ifndef CONFIG_MMC_SDHCI_S3C_DMA @@ -518,6 +560,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT) host->mmc->caps = MMC_CAP_NONREMOVABLE; + switch (pdata->max_width) { + case 8: + host->mmc->caps |= MMC_CAP_8_BIT_DATA; + case 4: + host->mmc->caps |= MMC_CAP_4_BIT_DATA; + break; + } + if (pdata->pm_caps) host->mmc->pm_caps |= pdata->pm_caps; @@ -531,7 +581,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) * If controller does not have internal clock divider, * we can use overriding functions instead of default. */ - if (pdata->clk_type) { + if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; @@ -544,10 +594,17 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) if (pdata->host_caps2) host->mmc->caps2 |= pdata->host_caps2; + pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 50); + pm_runtime_use_autosuspend(&pdev->dev); + pm_suspend_ignore_children(&pdev->dev, 1); + ret = sdhci_add_host(host); if (ret) { dev_err(dev, "sdhci_add_host() failed\n"); - goto err_add_host; + pm_runtime_forbid(&pdev->dev); + pm_runtime_get_noresume(&pdev->dev); + goto err_req_regs; } /* The following two methods of card detection might call @@ -561,10 +618,6 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) return 0; - err_add_host: - release_resource(sc->ioarea); - kfree(sc->ioarea); - err_req_regs: for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { if (sc->clk_bus[ptr]) { @@ -601,6 +654,8 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) sdhci_remove_host(host, 1); + pm_runtime_disable(&pdev->dev); + for (ptr = 0; ptr < 3; ptr++) { if (sc->clk_bus[ptr]) { clk_disable(sc->clk_bus[ptr]); @@ -610,18 +665,13 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) clk_disable(sc->clk_io); clk_put(sc->clk_io); - iounmap(host->ioaddr); - release_resource(sc->ioarea); - kfree(sc->ioarea); - sdhci_free_host(host); platform_set_drvdata(pdev, NULL); return 0; } -#ifdef CONFIG_PM - +#ifdef CONFIG_PM_SLEEP static int sdhci_s3c_suspend(struct device *dev) { struct sdhci_host *host = dev_get_drvdata(dev); @@ -635,10 +685,29 @@ static int sdhci_s3c_resume(struct device *dev) return sdhci_resume_host(host); } +#endif + +#ifdef CONFIG_PM_RUNTIME +static int sdhci_s3c_runtime_suspend(struct device *dev) +{ + struct sdhci_host *host = dev_get_drvdata(dev); + + return sdhci_runtime_suspend_host(host); +} +static int sdhci_s3c_runtime_resume(struct device *dev) +{ + struct sdhci_host *host = dev_get_drvdata(dev); + + return sdhci_runtime_resume_host(host); +} +#endif + +#ifdef CONFIG_PM static const struct dev_pm_ops sdhci_s3c_pmops = { - .suspend = sdhci_s3c_suspend, - .resume = sdhci_s3c_resume, + SET_SYSTEM_SLEEP_PM_OPS(sdhci_s3c_suspend, sdhci_s3c_resume) + SET_RUNTIME_PM_OPS(sdhci_s3c_runtime_suspend, sdhci_s3c_runtime_resume, + NULL) }; #define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops) @@ -647,9 +716,31 @@ static const struct dev_pm_ops sdhci_s3c_pmops = { #define SDHCI_S3C_PMOPS NULL #endif +#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) +static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = { + .sdhci_quirks = SDHCI_QUIRK_NONSTANDARD_CLOCK, +}; +#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)&exynos4_sdhci_drv_data) +#else +#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)NULL) +#endif + +static struct platform_device_id sdhci_s3c_driver_ids[] = { + { + .name = "s3c-sdhci", + .driver_data = (kernel_ulong_t)NULL, + }, { + .name = "exynos4-sdhci", + .driver_data = EXYNOS4_SDHCI_DRV_DATA, + }, + { } +}; +MODULE_DEVICE_TABLE(platform, sdhci_s3c_driver_ids); + static struct platform_driver sdhci_s3c_driver = { .probe = sdhci_s3c_probe, .remove = __devexit_p(sdhci_s3c_remove), + .id_table = sdhci_s3c_driver_ids, .driver = { .owner = THIS_MODULE, .name = "s3c-sdhci", diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 8262cadfdab7..9aa77f3f04a8 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2782,8 +2782,9 @@ int sdhci_add_host(struct sdhci_host *host) mmc_card_is_removable(mmc)) mmc->caps |= MMC_CAP_NEEDS_POLL; - /* UHS-I mode(s) supported by the host controller. */ - if (host->version >= SDHCI_SPEC_300) + /* Any UHS-I mode in caps implies SDR12 and SDR25 support. */ + if (caps[1] & (SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | + SDHCI_SUPPORT_DDR50)) mmc->caps |= MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25; /* SDR104 supports also implies SDR50 support */ diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index aafaf0b6eb1c..724b35e85a26 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -454,7 +454,8 @@ static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk) sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_SUP_PCLK); else sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_CLEAR & - ((fls(host->clk / clk) - 1) << 16)); + ((fls(DIV_ROUND_UP(host->clk, + clk) - 1) - 1) << 16)); sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_ENABLE); } @@ -1297,14 +1298,8 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev) spin_lock_init(&host->lock); mmc->ops = &sh_mmcif_ops; - mmc->f_max = host->clk; - /* close to 400KHz */ - if (mmc->f_max < 51200000) - mmc->f_min = mmc->f_max / 128; - else if (mmc->f_max < 102400000) - mmc->f_min = mmc->f_max / 256; - else - mmc->f_min = mmc->f_max / 512; + mmc->f_max = host->clk / 2; + mmc->f_min = host->clk / 512; if (pd->ocr) mmc->ocr_avail = pd->ocr; mmc->caps = MMC_CAP_MMC_HIGHSPEED; diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index e2cdebf40840..61af9bb560ab 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -386,19 +386,11 @@ out: return count; } -static int default_open(struct inode *inode, struct file *file) -{ - if (inode->i_private) - file->private_data = inode->i_private; - - return 0; -} - /* File operations for all UBI debugfs files */ static const struct file_operations dfs_fops = { .read = dfs_file_read, .write = dfs_file_write, - .open = default_open, + .open = simple_open, .llseek = no_llseek, .owner = THIS_MODULE, }; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 0c76186bb9e7..62d2409bb293 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -891,9 +891,15 @@ static void bond_do_fail_over_mac(struct bonding *bond, switch (bond->params.fail_over_mac) { case BOND_FOM_ACTIVE: - if (new_active) + if (new_active) { memcpy(bond->dev->dev_addr, new_active->dev->dev_addr, new_active->dev->addr_len); + write_unlock_bh(&bond->curr_slave_lock); + read_unlock(&bond->lock); + call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev); + read_lock(&bond->lock); + write_lock_bh(&bond->curr_slave_lock); + } break; case BOND_FOM_FOLLOW: /* @@ -2028,6 +2034,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) write_unlock_bh(&bond->lock); unblock_netpoll_tx(); + if (bond->slave_cnt == 0) + call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev); + bond_compute_features(bond); if (!(bond_dev->features & NETIF_F_VLAN_CHALLENGED) && (old_features & NETIF_F_VLAN_CHALLENGED)) @@ -3001,7 +3010,11 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks) trans_start + delta_in_ticks)) || bond->curr_active_slave != slave) { slave->link = BOND_LINK_UP; - bond->current_arp_slave = NULL; + if (bond->current_arp_slave) { + bond_set_slave_inactive_flags( + bond->current_arp_slave); + bond->current_arp_slave = NULL; + } pr_info("%s: link status definitely up for interface %s.\n", bond->dev->name, slave->dev->name); @@ -3695,17 +3708,52 @@ static void bond_set_multicast_list(struct net_device *bond_dev) read_unlock(&bond->lock); } -static int bond_neigh_setup(struct net_device *dev, struct neigh_parms *parms) +static int bond_neigh_init(struct neighbour *n) { - struct bonding *bond = netdev_priv(dev); + struct bonding *bond = netdev_priv(n->dev); struct slave *slave = bond->first_slave; + const struct net_device_ops *slave_ops; + struct neigh_parms parms; + int ret; + + if (!slave) + return 0; + + slave_ops = slave->dev->netdev_ops; + + if (!slave_ops->ndo_neigh_setup) + return 0; + + parms.neigh_setup = NULL; + parms.neigh_cleanup = NULL; + ret = slave_ops->ndo_neigh_setup(slave->dev, &parms); + if (ret) + return ret; + + /* + * Assign slave's neigh_cleanup to neighbour in case cleanup is called + * after the last slave has been detached. Assumes that all slaves + * utilize the same neigh_cleanup (true at this writing as only user + * is ipoib). + */ + n->parms->neigh_cleanup = parms.neigh_cleanup; + + if (!parms.neigh_setup) + return 0; + + return parms.neigh_setup(n); +} + +/* + * The bonding ndo_neigh_setup is called at init time beofre any + * slave exists. So we must declare proxy setup function which will + * be used at run time to resolve the actual slave neigh param setup. + */ +static int bond_neigh_setup(struct net_device *dev, + struct neigh_parms *parms) +{ + parms->neigh_setup = bond_neigh_init; - if (slave) { - const struct net_device_ops *slave_ops - = slave->dev->netdev_ops; - if (slave_ops->ndo_neigh_setup) - return slave_ops->ndo_neigh_setup(slave->dev, parms); - } return 0; } diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c index 96391c36fa74..b71ce9bf0afb 100644 --- a/drivers/net/caif/caif_spi.c +++ b/drivers/net/caif/caif_spi.c @@ -127,12 +127,6 @@ static inline void dev_debugfs_rem(struct cfspi *cfspi) debugfs_remove(cfspi->dbgfs_dir); } -static int dbgfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t dbgfs_state(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -243,13 +237,13 @@ static ssize_t dbgfs_frame(struct file *file, char __user *user_buf, } static const struct file_operations dbgfs_state_fops = { - .open = dbgfs_open, + .open = simple_open, .read = dbgfs_state, .owner = THIS_MODULE }; static const struct file_operations dbgfs_frame_fops = { - .open = dbgfs_open, + .open = simple_open, .read = dbgfs_frame, .owner = THIS_MODULE }; diff --git a/drivers/net/eql.c b/drivers/net/eql.c index a59cf961a436..f219d38acf58 100644 --- a/drivers/net/eql.c +++ b/drivers/net/eql.c @@ -125,6 +125,7 @@ #include <linux/if.h> #include <linux/if_arp.h> #include <linux/if_eql.h> +#include <linux/pkt_sched.h> #include <asm/uaccess.h> @@ -143,7 +144,7 @@ static void eql_timer(unsigned long param) equalizer_t *eql = (equalizer_t *) param; struct list_head *this, *tmp, *head; - spin_lock_bh(&eql->queue.lock); + spin_lock(&eql->queue.lock); head = &eql->queue.all_slaves; list_for_each_safe(this, tmp, head) { slave_t *slave = list_entry(this, slave_t, list); @@ -157,7 +158,7 @@ static void eql_timer(unsigned long param) } } - spin_unlock_bh(&eql->queue.lock); + spin_unlock(&eql->queue.lock); eql->timer.expires = jiffies + EQL_DEFAULT_RESCHED_IVAL; add_timer(&eql->timer); @@ -341,7 +342,7 @@ static netdev_tx_t eql_slave_xmit(struct sk_buff *skb, struct net_device *dev) struct net_device *slave_dev = slave->dev; skb->dev = slave_dev; - skb->priority = 1; + skb->priority = TC_PRIO_FILLER; slave->bytes_queued += skb->len; dev_queue_xmit(skb); dev->stats.tx_packets++; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index e37161f19250..2c9ee552dffc 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1173,6 +1173,13 @@ enum { }; +struct bnx2x_prev_path_list { + u8 bus; + u8 slot; + u8 path; + struct list_head list; +}; + struct bnx2x { /* Fields used in the tx and intr/napi performance paths * are grouped together in the beginning of the structure diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index f1f3ca65667a..4b054812713a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1721,6 +1721,29 @@ static void bnx2x_squeeze_objects(struct bnx2x *bp) } while (0) #endif +bool bnx2x_test_firmware_version(struct bnx2x *bp, bool is_err) +{ + /* build FW version dword */ + u32 my_fw = (BCM_5710_FW_MAJOR_VERSION) + + (BCM_5710_FW_MINOR_VERSION << 8) + + (BCM_5710_FW_REVISION_VERSION << 16) + + (BCM_5710_FW_ENGINEERING_VERSION << 24); + + /* read loaded FW from chip */ + u32 loaded_fw = REG_RD(bp, XSEM_REG_PRAM); + + DP(NETIF_MSG_IFUP, "loaded fw %x, my fw %x\n", loaded_fw, my_fw); + + if (loaded_fw != my_fw) { + if (is_err) + BNX2X_ERR("bnx2x with FW %x was already loaded, which mismatches my %x FW. aborting\n", + loaded_fw, my_fw); + return false; + } + + return true; +} + /* must be called with rtnl_lock */ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) { @@ -1815,23 +1838,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) } if (load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP && load_code != FW_MSG_CODE_DRV_LOAD_COMMON) { - /* build FW version dword */ - u32 my_fw = (BCM_5710_FW_MAJOR_VERSION) + - (BCM_5710_FW_MINOR_VERSION << 8) + - (BCM_5710_FW_REVISION_VERSION << 16) + - (BCM_5710_FW_ENGINEERING_VERSION << 24); - - /* read loaded FW from chip */ - u32 loaded_fw = REG_RD(bp, XSEM_REG_PRAM); - - DP(BNX2X_MSG_SP, "loaded fw %x, my fw %x", - loaded_fw, my_fw); - /* abort nic load if version mismatch */ - if (my_fw != loaded_fw) { - BNX2X_ERR("bnx2x with FW %x already loaded, " - "which mismatches my %x FW. aborting", - loaded_fw, my_fw); + if (!bnx2x_test_firmware_version(bp, true)) { rc = -EBUSY; LOAD_ERROR_EXIT(bp, load_error2); } @@ -1866,7 +1874,6 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) * bnx2x_periodic_task(). */ smp_mb(); - queue_delayed_work(bnx2x_wq, &bp->period_task, 0); } else bp->port.pmf = 0; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 8b163388659a..5c27454d2ec2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -431,6 +431,9 @@ void bnx2x_panic_dump(struct bnx2x *bp); void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl); +/* validate currect fw is loaded */ +bool bnx2x_test_firmware_version(struct bnx2x *bp, bool is_err); + /* dev_close main block */ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h index cd6dfa9eaa3a..b9b263323436 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h @@ -25,31 +25,31 @@ (IRO[149].base + ((funcId) * IRO[149].m1)) #define CSTORM_IGU_MODE_OFFSET (IRO[157].base) #define CSTORM_ISCSI_CQ_SIZE_OFFSET(pfId) \ - (IRO[315].base + ((pfId) * IRO[315].m1)) -#define CSTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \ (IRO[316].base + ((pfId) * IRO[316].m1)) +#define CSTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \ + (IRO[317].base + ((pfId) * IRO[317].m1)) #define CSTORM_ISCSI_EQ_CONS_OFFSET(pfId, iscsiEqId) \ - (IRO[308].base + ((pfId) * IRO[308].m1) + ((iscsiEqId) * IRO[308].m2)) + (IRO[309].base + ((pfId) * IRO[309].m1) + ((iscsiEqId) * IRO[309].m2)) #define CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(pfId, iscsiEqId) \ - (IRO[310].base + ((pfId) * IRO[310].m1) + ((iscsiEqId) * IRO[310].m2)) + (IRO[311].base + ((pfId) * IRO[311].m1) + ((iscsiEqId) * IRO[311].m2)) #define CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(pfId, iscsiEqId) \ - (IRO[309].base + ((pfId) * IRO[309].m1) + ((iscsiEqId) * IRO[309].m2)) + (IRO[310].base + ((pfId) * IRO[310].m1) + ((iscsiEqId) * IRO[310].m2)) #define CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_VALID_OFFSET(pfId, iscsiEqId) \ - (IRO[311].base + ((pfId) * IRO[311].m1) + ((iscsiEqId) * IRO[311].m2)) + (IRO[312].base + ((pfId) * IRO[312].m1) + ((iscsiEqId) * IRO[312].m2)) #define CSTORM_ISCSI_EQ_PROD_OFFSET(pfId, iscsiEqId) \ - (IRO[307].base + ((pfId) * IRO[307].m1) + ((iscsiEqId) * IRO[307].m2)) + (IRO[308].base + ((pfId) * IRO[308].m1) + ((iscsiEqId) * IRO[308].m2)) #define CSTORM_ISCSI_EQ_SB_INDEX_OFFSET(pfId, iscsiEqId) \ - (IRO[313].base + ((pfId) * IRO[313].m1) + ((iscsiEqId) * IRO[313].m2)) + (IRO[314].base + ((pfId) * IRO[314].m1) + ((iscsiEqId) * IRO[314].m2)) #define CSTORM_ISCSI_EQ_SB_NUM_OFFSET(pfId, iscsiEqId) \ - (IRO[312].base + ((pfId) * IRO[312].m1) + ((iscsiEqId) * IRO[312].m2)) + (IRO[313].base + ((pfId) * IRO[313].m1) + ((iscsiEqId) * IRO[313].m2)) #define CSTORM_ISCSI_HQ_SIZE_OFFSET(pfId) \ - (IRO[314].base + ((pfId) * IRO[314].m1)) + (IRO[315].base + ((pfId) * IRO[315].m1)) #define CSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \ - (IRO[306].base + ((pfId) * IRO[306].m1)) + (IRO[307].base + ((pfId) * IRO[307].m1)) #define CSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \ - (IRO[305].base + ((pfId) * IRO[305].m1)) + (IRO[306].base + ((pfId) * IRO[306].m1)) #define CSTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \ - (IRO[304].base + ((pfId) * IRO[304].m1)) + (IRO[305].base + ((pfId) * IRO[305].m1)) #define CSTORM_RECORD_SLOW_PATH_OFFSET(funcId) \ (IRO[151].base + ((funcId) * IRO[151].m1)) #define CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(pfId) \ @@ -96,37 +96,37 @@ #define TSTORM_FUNC_EN_OFFSET(funcId) \ (IRO[103].base + ((funcId) * IRO[103].m1)) #define TSTORM_ISCSI_ERROR_BITMAP_OFFSET(pfId) \ - (IRO[271].base + ((pfId) * IRO[271].m1)) -#define TSTORM_ISCSI_L2_ISCSI_OOO_CID_TABLE_OFFSET(pfId) \ (IRO[272].base + ((pfId) * IRO[272].m1)) -#define TSTORM_ISCSI_L2_ISCSI_OOO_CLIENT_ID_TABLE_OFFSET(pfId) \ +#define TSTORM_ISCSI_L2_ISCSI_OOO_CID_TABLE_OFFSET(pfId) \ (IRO[273].base + ((pfId) * IRO[273].m1)) -#define TSTORM_ISCSI_L2_ISCSI_OOO_PROD_OFFSET(pfId) \ +#define TSTORM_ISCSI_L2_ISCSI_OOO_CLIENT_ID_TABLE_OFFSET(pfId) \ (IRO[274].base + ((pfId) * IRO[274].m1)) +#define TSTORM_ISCSI_L2_ISCSI_OOO_PROD_OFFSET(pfId) \ + (IRO[275].base + ((pfId) * IRO[275].m1)) #define TSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \ - (IRO[270].base + ((pfId) * IRO[270].m1)) + (IRO[271].base + ((pfId) * IRO[271].m1)) #define TSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \ - (IRO[269].base + ((pfId) * IRO[269].m1)) + (IRO[270].base + ((pfId) * IRO[270].m1)) #define TSTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \ - (IRO[268].base + ((pfId) * IRO[268].m1)) + (IRO[269].base + ((pfId) * IRO[269].m1)) #define TSTORM_ISCSI_RQ_SIZE_OFFSET(pfId) \ - (IRO[267].base + ((pfId) * IRO[267].m1)) + (IRO[268].base + ((pfId) * IRO[268].m1)) #define TSTORM_ISCSI_TCP_LOCAL_ADV_WND_OFFSET(pfId) \ - (IRO[276].base + ((pfId) * IRO[276].m1)) + (IRO[277].base + ((pfId) * IRO[277].m1)) #define TSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(pfId) \ - (IRO[263].base + ((pfId) * IRO[263].m1)) -#define TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(pfId) \ (IRO[264].base + ((pfId) * IRO[264].m1)) -#define TSTORM_ISCSI_TCP_VARS_MID_LOCAL_MAC_ADDR_OFFSET(pfId) \ +#define TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(pfId) \ (IRO[265].base + ((pfId) * IRO[265].m1)) -#define TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(pfId) \ +#define TSTORM_ISCSI_TCP_VARS_MID_LOCAL_MAC_ADDR_OFFSET(pfId) \ (IRO[266].base + ((pfId) * IRO[266].m1)) +#define TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(pfId) \ + (IRO[267].base + ((pfId) * IRO[267].m1)) #define TSTORM_MAC_FILTER_CONFIG_OFFSET(pfId) \ (IRO[202].base + ((pfId) * IRO[202].m1)) #define TSTORM_RECORD_SLOW_PATH_OFFSET(funcId) \ (IRO[105].base + ((funcId) * IRO[105].m1)) #define TSTORM_TCP_MAX_CWND_OFFSET(pfId) \ - (IRO[216].base + ((pfId) * IRO[216].m1)) + (IRO[217].base + ((pfId) * IRO[217].m1)) #define TSTORM_VF_TO_PF_OFFSET(funcId) \ (IRO[104].base + ((funcId) * IRO[104].m1)) #define USTORM_AGG_DATA_OFFSET (IRO[206].base) @@ -140,29 +140,29 @@ #define USTORM_ETH_PAUSE_ENABLED_OFFSET(portId) \ (IRO[183].base + ((portId) * IRO[183].m1)) #define USTORM_FCOE_EQ_PROD_OFFSET(pfId) \ - (IRO[317].base + ((pfId) * IRO[317].m1)) + (IRO[318].base + ((pfId) * IRO[318].m1)) #define USTORM_FUNC_EN_OFFSET(funcId) \ (IRO[178].base + ((funcId) * IRO[178].m1)) #define USTORM_ISCSI_CQ_SIZE_OFFSET(pfId) \ - (IRO[281].base + ((pfId) * IRO[281].m1)) -#define USTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \ (IRO[282].base + ((pfId) * IRO[282].m1)) +#define USTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \ + (IRO[283].base + ((pfId) * IRO[283].m1)) #define USTORM_ISCSI_ERROR_BITMAP_OFFSET(pfId) \ - (IRO[286].base + ((pfId) * IRO[286].m1)) + (IRO[287].base + ((pfId) * IRO[287].m1)) #define USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(pfId) \ - (IRO[283].base + ((pfId) * IRO[283].m1)) + (IRO[284].base + ((pfId) * IRO[284].m1)) #define USTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \ - (IRO[279].base + ((pfId) * IRO[279].m1)) + (IRO[280].base + ((pfId) * IRO[280].m1)) #define USTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \ - (IRO[278].base + ((pfId) * IRO[278].m1)) + (IRO[279].base + ((pfId) * IRO[279].m1)) #define USTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \ - (IRO[277].base + ((pfId) * IRO[277].m1)) + (IRO[278].base + ((pfId) * IRO[278].m1)) #define USTORM_ISCSI_R2TQ_SIZE_OFFSET(pfId) \ - (IRO[280].base + ((pfId) * IRO[280].m1)) + (IRO[281].base + ((pfId) * IRO[281].m1)) #define USTORM_ISCSI_RQ_BUFFER_SIZE_OFFSET(pfId) \ - (IRO[284].base + ((pfId) * IRO[284].m1)) -#define USTORM_ISCSI_RQ_SIZE_OFFSET(pfId) \ (IRO[285].base + ((pfId) * IRO[285].m1)) +#define USTORM_ISCSI_RQ_SIZE_OFFSET(pfId) \ + (IRO[286].base + ((pfId) * IRO[286].m1)) #define USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(pfId) \ (IRO[182].base + ((pfId) * IRO[182].m1)) #define USTORM_RECORD_SLOW_PATH_OFFSET(funcId) \ @@ -188,39 +188,39 @@ #define XSTORM_FUNC_EN_OFFSET(funcId) \ (IRO[47].base + ((funcId) * IRO[47].m1)) #define XSTORM_ISCSI_HQ_SIZE_OFFSET(pfId) \ - (IRO[294].base + ((pfId) * IRO[294].m1)) + (IRO[295].base + ((pfId) * IRO[295].m1)) #define XSTORM_ISCSI_LOCAL_MAC_ADDR0_OFFSET(pfId) \ - (IRO[297].base + ((pfId) * IRO[297].m1)) -#define XSTORM_ISCSI_LOCAL_MAC_ADDR1_OFFSET(pfId) \ (IRO[298].base + ((pfId) * IRO[298].m1)) -#define XSTORM_ISCSI_LOCAL_MAC_ADDR2_OFFSET(pfId) \ +#define XSTORM_ISCSI_LOCAL_MAC_ADDR1_OFFSET(pfId) \ (IRO[299].base + ((pfId) * IRO[299].m1)) -#define XSTORM_ISCSI_LOCAL_MAC_ADDR3_OFFSET(pfId) \ +#define XSTORM_ISCSI_LOCAL_MAC_ADDR2_OFFSET(pfId) \ (IRO[300].base + ((pfId) * IRO[300].m1)) -#define XSTORM_ISCSI_LOCAL_MAC_ADDR4_OFFSET(pfId) \ +#define XSTORM_ISCSI_LOCAL_MAC_ADDR3_OFFSET(pfId) \ (IRO[301].base + ((pfId) * IRO[301].m1)) -#define XSTORM_ISCSI_LOCAL_MAC_ADDR5_OFFSET(pfId) \ +#define XSTORM_ISCSI_LOCAL_MAC_ADDR4_OFFSET(pfId) \ (IRO[302].base + ((pfId) * IRO[302].m1)) -#define XSTORM_ISCSI_LOCAL_VLAN_OFFSET(pfId) \ +#define XSTORM_ISCSI_LOCAL_MAC_ADDR5_OFFSET(pfId) \ (IRO[303].base + ((pfId) * IRO[303].m1)) +#define XSTORM_ISCSI_LOCAL_VLAN_OFFSET(pfId) \ + (IRO[304].base + ((pfId) * IRO[304].m1)) #define XSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \ - (IRO[293].base + ((pfId) * IRO[293].m1)) + (IRO[294].base + ((pfId) * IRO[294].m1)) #define XSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \ - (IRO[292].base + ((pfId) * IRO[292].m1)) + (IRO[293].base + ((pfId) * IRO[293].m1)) #define XSTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \ - (IRO[291].base + ((pfId) * IRO[291].m1)) + (IRO[292].base + ((pfId) * IRO[292].m1)) #define XSTORM_ISCSI_R2TQ_SIZE_OFFSET(pfId) \ - (IRO[296].base + ((pfId) * IRO[296].m1)) + (IRO[297].base + ((pfId) * IRO[297].m1)) #define XSTORM_ISCSI_SQ_SIZE_OFFSET(pfId) \ - (IRO[295].base + ((pfId) * IRO[295].m1)) + (IRO[296].base + ((pfId) * IRO[296].m1)) #define XSTORM_ISCSI_TCP_VARS_ADV_WND_SCL_OFFSET(pfId) \ - (IRO[290].base + ((pfId) * IRO[290].m1)) + (IRO[291].base + ((pfId) * IRO[291].m1)) #define XSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(pfId) \ - (IRO[289].base + ((pfId) * IRO[289].m1)) + (IRO[290].base + ((pfId) * IRO[290].m1)) #define XSTORM_ISCSI_TCP_VARS_TOS_OFFSET(pfId) \ - (IRO[288].base + ((pfId) * IRO[288].m1)) + (IRO[289].base + ((pfId) * IRO[289].m1)) #define XSTORM_ISCSI_TCP_VARS_TTL_OFFSET(pfId) \ - (IRO[287].base + ((pfId) * IRO[287].m1)) + (IRO[288].base + ((pfId) * IRO[288].m1)) #define XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(pfId) \ (IRO[44].base + ((pfId) * IRO[44].m1)) #define XSTORM_RECORD_SLOW_PATH_OFFSET(funcId) \ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h index 5d71b7d43237..dbff5915b81a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h @@ -1251,6 +1251,9 @@ struct drv_func_mb { #define DRV_MSG_CODE_LINK_STATUS_CHANGED 0x01000000 + #define DRV_MSG_CODE_INITIATE_FLR 0x02000000 + #define REQ_BC_VER_4_INITIATE_FLR 0x00070213 + #define BIOS_MSG_CODE_LIC_CHALLENGE 0xff010000 #define BIOS_MSG_CODE_LIC_RESPONSE 0xff020000 #define BIOS_MSG_CODE_VIRT_MAC_PRIM 0xff030000 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index beb4cdbdb6e1..ad95324dc042 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -35,7 +35,6 @@ #define ETH_MAX_PACKET_SIZE 1500 #define ETH_MAX_JUMBO_PACKET_SIZE 9600 #define MDIO_ACCESS_TIMEOUT 1000 -#define BMAC_CONTROL_RX_ENABLE 2 #define WC_LANE_MAX 4 #define I2C_SWITCH_WIDTH 2 #define I2C_BSC0 0 @@ -1372,7 +1371,14 @@ static void bnx2x_update_pfc_xmac(struct link_params *params, pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN | XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN | XMAC_PFC_CTRL_HI_REG_RX_PFC_EN | - XMAC_PFC_CTRL_HI_REG_TX_PFC_EN; + XMAC_PFC_CTRL_HI_REG_TX_PFC_EN | + XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; + /* Write pause and PFC registers */ + REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val); + REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val); + REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val); + pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; + } /* Write pause and PFC registers */ @@ -3649,6 +3655,33 @@ static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy, if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) { bnx2x_cl22_read(bp, phy, 0x4, &ld_pause); bnx2x_cl22_read(bp, phy, 0x5, &lp_pause); + } else if (CHIP_IS_E3(bp) && + SINGLE_MEDIA_DIRECT(params)) { + u8 lane = bnx2x_get_warpcore_lane(phy, params); + u16 gp_status, gp_mask; + bnx2x_cl45_read(bp, phy, + MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4, + &gp_status); + gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL | + MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) << + lane; + if ((gp_status & gp_mask) == gp_mask) { + bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_ADV_PAUSE, &ld_pause); + bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); + } else { + bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_FC_LD, &ld_pause); + bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_CL37_FC_LP, &lp_pause); + ld_pause = ((ld_pause & + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) + << 3); + lp_pause = ((lp_pause & + MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) + << 3); + } } else { bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, @@ -3699,7 +3732,23 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, u16 val16 = 0, lane, bam37 = 0; struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n"); - + /* Set to default registers that may be overriden by 10G force */ + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7); + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_WC_REG_PAR_DET_10G_CTRL, 0); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555); + bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, + MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_RX66_CONTROL, 0x7415); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190); /* Disable Autoneg: re-enable it after adv is done. */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0); @@ -3945,13 +3994,13 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy, } else { misc1_val |= 0x9; - tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | - (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | - (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); + tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | + (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | + (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); tx_driver_val = - ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | + ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | - (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); + (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); } bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val); @@ -4369,7 +4418,7 @@ static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy, switch (serdes_net_if) { case PORT_HW_CFG_NET_SERDES_IF_KR: /* Enable KR Auto Neg */ - if (params->loopback_mode == LOOPBACK_NONE) + if (params->loopback_mode != LOOPBACK_EXT) bnx2x_warpcore_enable_AN_KR(phy, params, vars); else { DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n"); @@ -6167,12 +6216,14 @@ int bnx2x_set_led(struct link_params *params, tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); if (params->phy[EXT_PHY1].type == - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) - EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1); - else { - EMAC_WR(bp, EMAC_REG_EMAC_LED, - (tmp | EMAC_LED_OVERRIDE)); - } + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) + tmp &= ~(EMAC_LED_1000MB_OVERRIDE | + EMAC_LED_100MB_OVERRIDE | + EMAC_LED_10MB_OVERRIDE); + else + tmp |= EMAC_LED_OVERRIDE; + + EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp); break; case LED_MODE_OPER: @@ -6227,10 +6278,15 @@ int bnx2x_set_led(struct link_params *params, hw_led_mode); } else if ((params->phy[EXT_PHY1].type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) && - (mode != LED_MODE_OPER)) { + (mode == LED_MODE_ON)) { REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); - EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3); + EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | + EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE); + /* Break here; otherwise, it'll disable the + * intended override. + */ + break; } else REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode); @@ -6245,13 +6301,9 @@ int bnx2x_set_led(struct link_params *params, LED_BLINK_RATE_VAL_E1X_E2); REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + port*4, 1); - if ((params->phy[EXT_PHY1].type != - PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) && - (mode != LED_MODE_OPER)) { - tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); - EMAC_WR(bp, EMAC_REG_EMAC_LED, - (tmp & (~EMAC_LED_OVERRIDE))); - } + tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); + EMAC_WR(bp, EMAC_REG_EMAC_LED, + (tmp & (~EMAC_LED_OVERRIDE))); if (CHIP_IS_E1(bp) && ((speed == SPEED_2500) || @@ -6844,6 +6896,12 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars) SINGLE_MEDIA_DIRECT(params)) && (phy_vars[active_external_phy].fault_detected == 0)); + /* Update the PFC configuration in case it was changed */ + if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) + vars->link_status |= LINK_STATUS_PFC_ENABLED; + else + vars->link_status &= ~LINK_STATUS_PFC_ENABLED; + if (vars->link_up) rc = bnx2x_update_link_up(params, vars, link_10g_plus); else @@ -8031,7 +8089,9 @@ static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy, netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected," " Port %d from %s part number %s\n", params->port, vendor_name, vendor_pn); - phy->flags |= FLAGS_SFP_NOT_APPROVED; + if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != + PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG) + phy->flags |= FLAGS_SFP_NOT_APPROVED; return -EINVAL; } @@ -9091,6 +9151,12 @@ static int bnx2x_8727_config_init(struct bnx2x_phy *phy, tmp2 &= 0xFFEF; bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2); + bnx2x_cl45_read(bp, phy, + MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, + &tmp2); + bnx2x_cl45_write(bp, phy, + MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, + (tmp2 & 0x7fff)); } return 0; @@ -9271,12 +9337,11 @@ static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, ((1<<5) | (1<<2))); } - DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n"); - bnx2x_8727_specific_func(phy, params, ENABLE_TX); - /* If transmitter is disabled, ignore false link up indication */ - bnx2x_cl45_read(bp, phy, - MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1); - if (val1 & (1<<15)) { + + if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) { + DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n"); + bnx2x_sfp_set_transmitter(params, phy, 1); + } else { DP(NETIF_MSG_LINK, "Tx is disabled\n"); return 0; } @@ -9370,8 +9435,7 @@ static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1); - bnx2x_save_spirom_version(bp, port, - ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f), + bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff, phy->ver_addr); } else { /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */ @@ -9794,6 +9858,15 @@ static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy, other_shmem_base_addr)); u32 shmem_base_path[2]; + + /* Work around for 84833 LED failure inside RESET status */ + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_LEGACY_MII_CTRL, + MDIO_AN_REG_8481_MII_CTRL_FORCE_1G); + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_AN_REG_8481_1G_100T_EXT_CTRL, + MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF); + shmem_base_path[0] = params->shmem_base; shmem_base_path[1] = other_shmem_base_addr; @@ -10104,7 +10177,7 @@ static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, u8 port; u16 val16; - if (!(CHIP_IS_E1(bp))) + if (!(CHIP_IS_E1x(bp))) port = BP_PATH(bp); else port = params->port; @@ -10131,7 +10204,7 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, u16 val; u8 port; - if (!(CHIP_IS_E1(bp))) + if (!(CHIP_IS_E1x(bp))) port = BP_PATH(bp); else port = params->port; @@ -12050,6 +12123,9 @@ int bnx2x_phy_init(struct link_params *params, struct link_vars *vars) bnx2x_emac_init(params, vars); + if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) + vars->link_status |= LINK_STATUS_PFC_ENABLED; + if (params->num_phys == 0) { DP(NETIF_MSG_LINK, "No phy found for initialization !!\n"); return -EINVAL; @@ -12129,10 +12205,10 @@ int bnx2x_link_reset(struct link_params *params, struct link_vars *vars, * Hold it as vars low */ /* clear link led */ + bnx2x_set_mdio_clk(bp, params->chip_id, port); bnx2x_set_led(params, vars, LED_MODE_OFF, 0); if (reset_ext_phy) { - bnx2x_set_mdio_clk(bp, params->chip_id, port); for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { if (params->phy[phy_index].link_reset) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h index 7ba557a610da..763535ee4832 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h @@ -89,6 +89,8 @@ #define PFC_BRB_FULL_LB_XON_THRESHOLD 250 #define MAXVAL(a, b) (((a) > (b)) ? (a) : (b)) + +#define BMAC_CONTROL_RX_ENABLE 2 /***********************************************************/ /* Structs */ /***********************************************************/ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index f7f9aa807264..e077d2508727 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -52,6 +52,7 @@ #include <linux/prefetch.h> #include <linux/zlib.h> #include <linux/io.h> +#include <linux/semaphore.h> #include <linux/stringify.h> #include <linux/vmalloc.h> @@ -211,6 +212,10 @@ static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = { MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl); +/* Global resources for unloading a previously loaded device */ +#define BNX2X_PREV_WAIT_NEEDED 1 +static DEFINE_SEMAPHORE(bnx2x_prev_sem); +static LIST_HEAD(bnx2x_prev_list); /**************************************************************************** * General service functions ****************************************************************************/ @@ -8812,109 +8817,371 @@ static inline void bnx2x_undi_int_disable(struct bnx2x *bp) bnx2x_undi_int_disable_e1h(bp); } -static void __devinit bnx2x_undi_unload(struct bnx2x *bp) +static void __devinit bnx2x_prev_unload_close_mac(struct bnx2x *bp) { - u32 val; + u32 val, base_addr, offset, mask, reset_reg; + bool mac_stopped = false; + u8 port = BP_PORT(bp); - /* possibly another driver is trying to reset the chip */ - bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET); + reset_reg = REG_RD(bp, MISC_REG_RESET_REG_2); - /* check if doorbell queue is reset */ - if (REG_RD(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET) - & MISC_REGISTERS_RESET_REG_1_RST_DORQ) { + if (!CHIP_IS_E3(bp)) { + val = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port * 4); + mask = MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port; + if ((mask & reset_reg) && val) { + u32 wb_data[2]; + BNX2X_DEV_INFO("Disable bmac Rx\n"); + base_addr = BP_PORT(bp) ? NIG_REG_INGRESS_BMAC1_MEM + : NIG_REG_INGRESS_BMAC0_MEM; + offset = CHIP_IS_E2(bp) ? BIGMAC2_REGISTER_BMAC_CONTROL + : BIGMAC_REGISTER_BMAC_CONTROL; - /* - * Check if it is the UNDI driver + /* + * use rd/wr since we cannot use dmae. This is safe + * since MCP won't access the bus due to the request + * to unload, and no function on the path can be + * loaded at this time. + */ + wb_data[0] = REG_RD(bp, base_addr + offset); + wb_data[1] = REG_RD(bp, base_addr + offset + 0x4); + wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; + REG_WR(bp, base_addr + offset, wb_data[0]); + REG_WR(bp, base_addr + offset + 0x4, wb_data[1]); + + } + BNX2X_DEV_INFO("Disable emac Rx\n"); + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + BP_PORT(bp)*4, 0); + + mac_stopped = true; + } else { + if (reset_reg & MISC_REGISTERS_RESET_REG_2_XMAC) { + BNX2X_DEV_INFO("Disable xmac Rx\n"); + base_addr = BP_PORT(bp) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; + val = REG_RD(bp, base_addr + XMAC_REG_PFC_CTRL_HI); + REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI, + val & ~(1 << 1)); + REG_WR(bp, base_addr + XMAC_REG_PFC_CTRL_HI, + val | (1 << 1)); + REG_WR(bp, base_addr + XMAC_REG_CTRL, 0); + mac_stopped = true; + } + mask = MISC_REGISTERS_RESET_REG_2_UMAC0 << port; + if (mask & reset_reg) { + BNX2X_DEV_INFO("Disable umac Rx\n"); + base_addr = BP_PORT(bp) ? GRCBASE_UMAC1 : GRCBASE_UMAC0; + REG_WR(bp, base_addr + UMAC_REG_COMMAND_CONFIG, 0); + mac_stopped = true; + } + } + + if (mac_stopped) + msleep(20); + +} + +#define BNX2X_PREV_UNDI_PROD_ADDR(p) (BAR_TSTRORM_INTMEM + 0x1508 + ((p) << 4)) +#define BNX2X_PREV_UNDI_RCQ(val) ((val) & 0xffff) +#define BNX2X_PREV_UNDI_BD(val) ((val) >> 16 & 0xffff) +#define BNX2X_PREV_UNDI_PROD(rcq, bd) ((bd) << 16 | (rcq)) + +static void __devinit bnx2x_prev_unload_undi_inc(struct bnx2x *bp, u8 port, + u8 inc) +{ + u16 rcq, bd; + u32 tmp_reg = REG_RD(bp, BNX2X_PREV_UNDI_PROD_ADDR(port)); + + rcq = BNX2X_PREV_UNDI_RCQ(tmp_reg) + inc; + bd = BNX2X_PREV_UNDI_BD(tmp_reg) + inc; + + tmp_reg = BNX2X_PREV_UNDI_PROD(rcq, bd); + REG_WR(bp, BNX2X_PREV_UNDI_PROD_ADDR(port), tmp_reg); + + BNX2X_DEV_INFO("UNDI producer [%d] rings bd -> 0x%04x, rcq -> 0x%04x\n", + port, bd, rcq); +} + +static int __devinit bnx2x_prev_mcp_done(struct bnx2x *bp) +{ + u32 rc = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0); + if (!rc) { + BNX2X_ERR("MCP response failure, aborting\n"); + return -EBUSY; + } + + return 0; +} + +static bool __devinit bnx2x_prev_is_path_marked(struct bnx2x *bp) +{ + struct bnx2x_prev_path_list *tmp_list; + int rc = false; + + if (down_trylock(&bnx2x_prev_sem)) + return false; + + list_for_each_entry(tmp_list, &bnx2x_prev_list, list) { + if (PCI_SLOT(bp->pdev->devfn) == tmp_list->slot && + bp->pdev->bus->number == tmp_list->bus && + BP_PATH(bp) == tmp_list->path) { + rc = true; + BNX2X_DEV_INFO("Path %d was already cleaned from previous drivers\n", + BP_PATH(bp)); + break; + } + } + + up(&bnx2x_prev_sem); + + return rc; +} + +static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp) +{ + struct bnx2x_prev_path_list *tmp_list; + int rc; + + tmp_list = (struct bnx2x_prev_path_list *) + kmalloc(sizeof(struct bnx2x_prev_path_list), GFP_KERNEL); + if (!tmp_list) { + BNX2X_ERR("Failed to allocate 'bnx2x_prev_path_list'\n"); + return -ENOMEM; + } + + tmp_list->bus = bp->pdev->bus->number; + tmp_list->slot = PCI_SLOT(bp->pdev->devfn); + tmp_list->path = BP_PATH(bp); + + rc = down_interruptible(&bnx2x_prev_sem); + if (rc) { + BNX2X_ERR("Received %d when tried to take lock\n", rc); + kfree(tmp_list); + } else { + BNX2X_DEV_INFO("Marked path [%d] - finished previous unload\n", + BP_PATH(bp)); + list_add(&tmp_list->list, &bnx2x_prev_list); + up(&bnx2x_prev_sem); + } + + return rc; +} + +static bool __devinit bnx2x_can_flr(struct bnx2x *bp) +{ + int pos; + u32 cap; + struct pci_dev *dev = bp->pdev; + + pos = pci_pcie_cap(dev); + if (!pos) + return false; + + pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap); + if (!(cap & PCI_EXP_DEVCAP_FLR)) + return false; + + return true; +} + +static int __devinit bnx2x_do_flr(struct bnx2x *bp) +{ + int i, pos; + u16 status; + struct pci_dev *dev = bp->pdev; + + /* probe the capability first */ + if (bnx2x_can_flr(bp)) + return -ENOTTY; + + pos = pci_pcie_cap(dev); + if (!pos) + return -ENOTTY; + + /* Wait for Transaction Pending bit clean */ + for (i = 0; i < 4; i++) { + if (i) + msleep((1 << (i - 1)) * 100); + + pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status); + if (!(status & PCI_EXP_DEVSTA_TRPND)) + goto clear; + } + + dev_err(&dev->dev, + "transaction is not cleared; proceeding with reset anyway\n"); + +clear: + if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) { + BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n", + bp->common.bc_ver); + return -EINVAL; + } + + bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0); + + return 0; +} + +static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp) +{ + int rc; + + BNX2X_DEV_INFO("Uncommon unload Flow\n"); + + /* Test if previous unload process was already finished for this path */ + if (bnx2x_prev_is_path_marked(bp)) + return bnx2x_prev_mcp_done(bp); + + /* If function has FLR capabilities, and existing FW version matches + * the one required, then FLR will be sufficient to clean any residue + * left by previous driver + */ + if (bnx2x_test_firmware_version(bp, false) && bnx2x_can_flr(bp)) + return bnx2x_do_flr(bp); + + /* Close the MCP request, return failure*/ + rc = bnx2x_prev_mcp_done(bp); + if (!rc) + rc = BNX2X_PREV_WAIT_NEEDED; + + return rc; +} + +static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp) +{ + u32 reset_reg, tmp_reg = 0, rc; + /* It is possible a previous function received 'common' answer, + * but hasn't loaded yet, therefore creating a scenario of + * multiple functions receiving 'common' on the same path. + */ + BNX2X_DEV_INFO("Common unload Flow\n"); + + if (bnx2x_prev_is_path_marked(bp)) + return bnx2x_prev_mcp_done(bp); + + reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1); + + /* Reset should be performed after BRB is emptied */ + if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) { + u32 timer_count = 1000; + bool prev_undi = false; + + /* Close the MAC Rx to prevent BRB from filling up */ + bnx2x_prev_unload_close_mac(bp); + + /* Check if the UNDI driver was previously loaded * UNDI driver initializes CID offset for normal bell to 0x7 */ - val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); - if (val == 0x7) { - u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; - /* save our pf_num */ - int orig_pf_num = bp->pf_num; - int port; - u32 swap_en, swap_val, value; - - /* clear the UNDI indication */ - REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); - - BNX2X_DEV_INFO("UNDI is active! reset device\n"); - - /* try unload UNDI on port 0 */ - bp->pf_num = 0; - bp->fw_seq = - (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) & - DRV_MSG_SEQ_NUMBER_MASK); - reset_code = bnx2x_fw_command(bp, reset_code, 0); - - /* if UNDI is loaded on the other port */ - if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) { - - /* send "DONE" for previous unload */ - bnx2x_fw_command(bp, - DRV_MSG_CODE_UNLOAD_DONE, 0); - - /* unload UNDI on port 1 */ - bp->pf_num = 1; - bp->fw_seq = - (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) & - DRV_MSG_SEQ_NUMBER_MASK); - reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; - - bnx2x_fw_command(bp, reset_code, 0); + reset_reg = REG_RD(bp, MISC_REG_RESET_REG_1); + if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_DORQ) { + tmp_reg = REG_RD(bp, DORQ_REG_NORM_CID_OFST); + if (tmp_reg == 0x7) { + BNX2X_DEV_INFO("UNDI previously loaded\n"); + prev_undi = true; + /* clear the UNDI indication */ + REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); } + } + /* wait until BRB is empty */ + tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS); + while (timer_count) { + u32 prev_brb = tmp_reg; - bnx2x_undi_int_disable(bp); - port = BP_PORT(bp); - - /* close input traffic and wait for it */ - /* Do not rcv packets to BRB */ - REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_DRV_MASK : - NIG_REG_LLH0_BRB1_DRV_MASK), 0x0); - /* Do not direct rcv packets that are not for MCP to - * the BRB */ - REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : - NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); - /* clear AEU */ - REG_WR(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : - MISC_REG_AEU_MASK_ATTN_FUNC_0), 0); - msleep(10); - - /* save NIG port swap info */ - swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); - swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); - /* reset device */ - REG_WR(bp, - GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, - 0xd3ffffff); - - value = 0x1400; - if (CHIP_IS_E3(bp)) { - value |= MISC_REGISTERS_RESET_REG_2_MSTAT0; - value |= MISC_REGISTERS_RESET_REG_2_MSTAT1; - } + tmp_reg = REG_RD(bp, BRB1_REG_NUM_OF_FULL_BLOCKS); + if (!tmp_reg) + break; - REG_WR(bp, - GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, - value); + BNX2X_DEV_INFO("BRB still has 0x%08x\n", tmp_reg); - /* take the NIG out of reset and restore swap values */ - REG_WR(bp, - GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, - MISC_REGISTERS_RESET_REG_1_RST_NIG); - REG_WR(bp, NIG_REG_PORT_SWAP, swap_val); - REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en); + /* reset timer as long as BRB actually gets emptied */ + if (prev_brb > tmp_reg) + timer_count = 1000; + else + timer_count--; - /* send unload done to the MCP */ - bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0); + /* If UNDI resides in memory, manually increment it */ + if (prev_undi) + bnx2x_prev_unload_undi_inc(bp, BP_PORT(bp), 1); - /* restore our func and fw_seq */ - bp->pf_num = orig_pf_num; + udelay(10); } + + if (!timer_count) + BNX2X_ERR("Failed to empty BRB, hope for the best\n"); + } - /* now it's safe to release the lock */ - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET); + /* No packets are in the pipeline, path is ready for reset */ + bnx2x_reset_common(bp); + + rc = bnx2x_prev_mark_path(bp); + if (rc) { + bnx2x_prev_mcp_done(bp); + return rc; + } + + return bnx2x_prev_mcp_done(bp); +} + +static int __devinit bnx2x_prev_unload(struct bnx2x *bp) +{ + int time_counter = 10; + u32 rc, fw, hw_lock_reg, hw_lock_val; + BNX2X_DEV_INFO("Entering Previous Unload Flow\n"); + + /* Release previously held locks */ + hw_lock_reg = (BP_FUNC(bp) <= 5) ? + (MISC_REG_DRIVER_CONTROL_1 + BP_FUNC(bp) * 8) : + (MISC_REG_DRIVER_CONTROL_7 + (BP_FUNC(bp) - 6) * 8); + + hw_lock_val = (REG_RD(bp, hw_lock_reg)); + if (hw_lock_val) { + if (hw_lock_val & HW_LOCK_RESOURCE_NVRAM) { + BNX2X_DEV_INFO("Release Previously held NVRAM lock\n"); + REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, + (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << BP_PORT(bp))); + } + + BNX2X_DEV_INFO("Release Previously held hw lock\n"); + REG_WR(bp, hw_lock_reg, 0xffffffff); + } else + BNX2X_DEV_INFO("No need to release hw/nvram locks\n"); + + if (MCPR_ACCESS_LOCK_LOCK & REG_RD(bp, MCP_REG_MCPR_ACCESS_LOCK)) { + BNX2X_DEV_INFO("Release previously held alr\n"); + REG_WR(bp, MCP_REG_MCPR_ACCESS_LOCK, 0); + } + + + do { + /* Lock MCP using an unload request */ + fw = bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS, 0); + if (!fw) { + BNX2X_ERR("MCP response failure, aborting\n"); + rc = -EBUSY; + break; + } + + if (fw == FW_MSG_CODE_DRV_UNLOAD_COMMON) { + rc = bnx2x_prev_unload_common(bp); + break; + } + + /* non-common reply from MCP night require looping */ + rc = bnx2x_prev_unload_uncommon(bp); + if (rc != BNX2X_PREV_WAIT_NEEDED) + break; + + msleep(20); + } while (--time_counter); + + if (!time_counter || rc) { + BNX2X_ERR("Failed unloading previous driver, aborting\n"); + rc = -EBUSY; + } + + BNX2X_DEV_INFO("Finished Previous Unload Flow [%d]\n", rc); + + return rc; } static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) @@ -10100,8 +10367,16 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp) func = BP_FUNC(bp); /* need to reset chip if undi was active */ - if (!BP_NOMCP(bp)) - bnx2x_undi_unload(bp); + if (!BP_NOMCP(bp)) { + /* init fw_seq */ + bp->fw_seq = + SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) & + DRV_MSG_SEQ_NUMBER_MASK; + BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); + + bnx2x_prev_unload(bp); + } + if (CHIP_REV_IS_FPGA(bp)) dev_err(&bp->pdev->dev, "FPGA detected\n"); @@ -11431,9 +11706,18 @@ static int __init bnx2x_init(void) static void __exit bnx2x_cleanup(void) { + struct list_head *pos, *q; pci_unregister_driver(&bnx2x_pci_driver); destroy_workqueue(bnx2x_wq); + + /* Free globablly allocated resources */ + list_for_each_safe(pos, q, &bnx2x_prev_list) { + struct bnx2x_prev_path_list *tmp = + list_entry(pos, struct bnx2x_prev_path_list, list); + list_del(pos); + kfree(tmp); + } } void bnx2x_notify_link_changed(struct bnx2x *bp) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h index fd7fb4581849..c25803b9c0ca 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h @@ -987,6 +987,7 @@ * clear; 1 = set. Data valid only in addresses 0-4. all the rest are zero. */ #define IGU_REG_WRITE_DONE_PENDING 0x130480 #define MCP_A_REG_MCPR_SCRATCH 0x3a0000 +#define MCP_REG_MCPR_ACCESS_LOCK 0x8009c #define MCP_REG_MCPR_CPU_PROGRAM_COUNTER 0x8501c #define MCP_REG_MCPR_GP_INPUTS 0x800c0 #define MCP_REG_MCPR_GP_OENABLE 0x800c8 @@ -1686,6 +1687,7 @@ [10] rst_dbg; [11] rst_misc_core; [12] rst_dbue (UART); [13] Pci_resetmdio_n; [14] rst_emac0_hard_core; [15] rst_emac1_hard_core; 16] rst_pxp_rq_rd_wr; 31:17] reserved */ +#define MISC_REG_RESET_REG_1 0xa580 #define MISC_REG_RESET_REG_2 0xa590 /* [RW 20] 20 bit GRC address where the scratch-pad of the MCP that is shared with the driver resides */ @@ -5352,6 +5354,7 @@ #define XMAC_CTRL_REG_TX_EN (0x1<<0) #define XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN (0x1<<18) #define XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN (0x1<<17) +#define XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON (0x1<<1) #define XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN (0x1<<0) #define XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN (0x1<<3) #define XMAC_PFC_CTRL_HI_REG_RX_PFC_EN (0x1<<4) @@ -5606,6 +5609,7 @@ /* [RC 32] Parity register #0 read clear */ #define XSEM_REG_XSEM_PRTY_STS_CLR_0 0x280128 #define XSEM_REG_XSEM_PRTY_STS_CLR_1 0x280138 +#define MCPR_ACCESS_LOCK_LOCK (1L<<31) #define MCPR_NVM_ACCESS_ENABLE_EN (1L<<0) #define MCPR_NVM_ACCESS_ENABLE_WR_EN (1L<<1) #define MCPR_NVM_ADDR_NVM_ADDR_VALUE (0xffffffL<<0) @@ -5732,6 +5736,7 @@ #define MISC_REGISTERS_GPIO_PORT_SHIFT 4 #define MISC_REGISTERS_GPIO_SET_POS 8 #define MISC_REGISTERS_RESET_REG_1_CLEAR 0x588 +#define MISC_REGISTERS_RESET_REG_1_RST_BRB1 (0x1<<0) #define MISC_REGISTERS_RESET_REG_1_RST_DORQ (0x1<<19) #define MISC_REGISTERS_RESET_REG_1_RST_HC (0x1<<29) #define MISC_REGISTERS_RESET_REG_1_RST_NIG (0x1<<7) @@ -6816,10 +6821,13 @@ Theotherbitsarereservedandshouldbezero*/ #define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL 0x0020 #define MDIO_AN_REG_8481_LEGACY_MII_CTRL 0xffe0 +#define MDIO_AN_REG_8481_MII_CTRL_FORCE_1G 0x40 #define MDIO_AN_REG_8481_LEGACY_MII_STATUS 0xffe1 #define MDIO_AN_REG_8481_LEGACY_AN_ADV 0xffe4 #define MDIO_AN_REG_8481_LEGACY_AN_EXPANSION 0xffe6 #define MDIO_AN_REG_8481_1000T_CTRL 0xffe9 +#define MDIO_AN_REG_8481_1G_100T_EXT_CTRL 0xfff0 +#define MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF 0x0008 #define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW 0xfff5 #define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS 0xfff7 #define MDIO_AN_REG_8481_AUX_CTRL 0xfff8 @@ -6939,6 +6947,10 @@ Theotherbitsarereservedandshouldbezero*/ #define MDIO_WC_REG_GP2_STATUS_GP_2_2 0x81d2 #define MDIO_WC_REG_GP2_STATUS_GP_2_3 0x81d3 #define MDIO_WC_REG_GP2_STATUS_GP_2_4 0x81d4 +#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000 +#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100 +#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010 +#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1 #define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP 0x81EE #define MDIO_WC_REG_UC_INFO_B1_VERSION 0x81F0 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE 0x81F2 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 3f52fadee3ed..513573321625 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -3847,7 +3847,7 @@ static bool bnx2x_credit_pool_get_entry( continue; /* If we've got here we are going to find a free entry */ - for (idx = vec * BNX2X_POOL_VEC_SIZE, i = 0; + for (idx = vec * BIT_VEC64_ELEM_SZ, i = 0; i < BIT_VEC64_ELEM_SZ; idx++, i++) if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) { diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 4e4bb3875868..062ac333fde6 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2778,7 +2778,9 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 || (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 && - (tp->phy_flags & TG3_PHYFLG_MII_SERDES))) + (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) || + (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 && + !tp->pci_fn)) return; if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX || diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 05ff076af06d..b126b98065a9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -2000,13 +2000,6 @@ static const struct ethtool_ops cxgb_ethtool_ops = { /* * debugfs support */ - -static int mem_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t mem_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -2050,7 +2043,7 @@ static ssize_t mem_read(struct file *file, char __user *buf, size_t count, static const struct file_operations mem_debugfs_fops = { .owner = THIS_MODULE, - .open = mem_open, + .open = simple_open, .read = mem_read, .llseek = default_llseek, }; diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c index 9eb815941df5..f7f0bf5d037b 100644 --- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c +++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c @@ -356,13 +356,13 @@ static int fsl_pq_mdio_probe(struct platform_device *ofdev) if (prop) tbiaddr = *prop; - } - if (tbiaddr == -1) { - err = -EBUSY; - goto err_free_irqs; - } else { - out_be32(tbipa, tbiaddr); + if (tbiaddr == -1) { + err = -EBUSY; + goto err_free_irqs; + } else { + out_be32(tbipa, tbiaddr); + } } err = of_mdiobus_register(new_bus, np); diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index 4e3cd2f8debb..17a46e76123f 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -3945,6 +3945,8 @@ static int ucc_geth_probe(struct platform_device* ofdev) } if (max_speed == SPEED_1000) { + unsigned int snums = qe_get_num_of_snums(); + /* configure muram FIFOs for gigabit operation */ ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT; ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT; @@ -3954,11 +3956,11 @@ static int ucc_geth_probe(struct platform_device* ofdev) ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT; ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4; - /* If QE's snum number is 46 which means we need to support + /* If QE's snum number is 46/76 which means we need to support * 4 UECs at 1000Base-T simultaneously, we need to allocate * more Threads to Rx. */ - if (qe_get_num_of_snums() == 46) + if ((snums == 76) || (snums == 46)) ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6; else ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4; diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 0e9aec8f6917..4348b6fd44fa 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -164,6 +164,8 @@ static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter, static bool e1000_vlan_used(struct e1000_adapter *adapter); static void e1000_vlan_mode(struct net_device *netdev, netdev_features_t features); +static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter, + bool filter_on); static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid); static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid); static void e1000_restore_vlan(struct e1000_adapter *adapter); @@ -215,7 +217,8 @@ MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); -static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE; +#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK) +static int debug = -1; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); @@ -979,7 +982,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, adapter = netdev_priv(netdev); adapter->netdev = netdev; adapter->pdev = pdev; - adapter->msg_enable = (1 << debug) - 1; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); adapter->bars = bars; adapter->need_ioport = need_ioport; @@ -1214,7 +1217,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, if (err) goto err_register; - e1000_vlan_mode(netdev, netdev->features); + e1000_vlan_filter_on_off(adapter, false); /* print bus type/speed/width info */ e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n", @@ -4770,6 +4773,22 @@ static bool e1000_vlan_used(struct e1000_adapter *adapter) return false; } +static void __e1000_vlan_mode(struct e1000_adapter *adapter, + netdev_features_t features) +{ + struct e1000_hw *hw = &adapter->hw; + u32 ctrl; + + ctrl = er32(CTRL); + if (features & NETIF_F_HW_VLAN_RX) { + /* enable VLAN tag insert/strip */ + ctrl |= E1000_CTRL_VME; + } else { + /* disable VLAN tag insert/strip */ + ctrl &= ~E1000_CTRL_VME; + } + ew32(CTRL, ctrl); +} static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter, bool filter_on) { @@ -4779,6 +4798,7 @@ static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter, if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_disable(adapter); + __e1000_vlan_mode(adapter, adapter->netdev->features); if (filter_on) { /* enable VLAN receive filtering */ rctl = er32(RCTL); @@ -4799,24 +4819,14 @@ static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter, } static void e1000_vlan_mode(struct net_device *netdev, - netdev_features_t features) + netdev_features_t features) { struct e1000_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - u32 ctrl; if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_disable(adapter); - ctrl = er32(CTRL); - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - ctrl |= E1000_CTRL_VME; - } else { - /* disable VLAN tag insert/strip */ - ctrl &= ~E1000_CTRL_VME; - } - ew32(CTRL, ctrl); + __e1000_vlan_mode(adapter, features); if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_enable(adapter); diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index 86cdd4793992..b83897f76ee3 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -161,6 +161,12 @@ struct e1000_info; /* Time to wait before putting the device into D3 if there's no link (in ms). */ #define LINK_TIMEOUT 100 +/* + * Count for polling __E1000_RESET condition every 10-20msec. + * Experimentation has shown the reset can take approximately 210msec. + */ +#define E1000_CHECK_RESET_COUNT 25 + #define DEFAULT_RDTR 0 #define DEFAULT_RADV 8 #define BURST_RDTR 0x20 diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 7152eb11b7b9..19ab2154802c 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -60,6 +60,11 @@ char e1000e_driver_name[] = "e1000e"; const char e1000e_driver_version[] = DRV_VERSION; +#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK) +static int debug = -1; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state); static const struct e1000_info *e1000_info_tbl[] = { @@ -1054,6 +1059,13 @@ static void e1000_print_hw_hang(struct work_struct *work) ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); /* execute the writes immediately */ e1e_flush(); + /* + * Due to rare timing issues, write to TIDV again to ensure + * the write is successful + */ + ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); + /* execute the writes immediately */ + e1e_flush(); adapter->tx_hang_recheck = true; return; } @@ -3611,6 +3623,16 @@ static void e1000e_flush_descriptors(struct e1000_adapter *adapter) /* execute the writes immediately */ e1e_flush(); + + /* + * due to rare timing issues, write to TIDV/RDTR again to ensure the + * write is successful + */ + ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); + ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD); + + /* execute the writes immediately */ + e1e_flush(); } static void e1000e_update_stats(struct e1000_adapter *adapter); @@ -3963,6 +3985,10 @@ static int e1000_close(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); struct pci_dev *pdev = adapter->pdev; + int count = E1000_CHECK_RESET_COUNT; + + while (test_bit(__E1000_RESETTING, &adapter->state) && count--) + usleep_range(10000, 20000); WARN_ON(test_bit(__E1000_RESETTING, &adapter->state)); @@ -5467,6 +5493,11 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake, netif_device_detach(netdev); if (netif_running(netdev)) { + int count = E1000_CHECK_RESET_COUNT; + + while (test_bit(__E1000_RESETTING, &adapter->state) && count--) + usleep_range(10000, 20000); + WARN_ON(test_bit(__E1000_RESETTING, &adapter->state)); e1000e_down(adapter); e1000_free_irq(adapter); @@ -6172,7 +6203,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, adapter->hw.adapter = adapter; adapter->hw.mac.type = ei->mac; adapter->max_hw_frame_size = ei->max_hw_frame_size; - adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index c4902411d749..5ec31598ee47 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -238,6 +238,11 @@ MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK) +static int debug = -1; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + struct igb_reg_info { u32 ofs; char *name; @@ -1893,7 +1898,7 @@ static int __devinit igb_probe(struct pci_dev *pdev, adapter->pdev = pdev; hw = &adapter->hw; hw->back = adapter; - adapter->msg_enable = NETIF_MSG_DRV | NETIF_MSG_PROBE; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 217c143686d2..d61ca2a732f0 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -55,6 +55,11 @@ static const char igbvf_driver_string[] = static const char igbvf_copyright[] = "Copyright (c) 2009 - 2012 Intel Corporation."; +#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK) +static int debug = -1; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + static int igbvf_poll(struct napi_struct *napi, int budget); static void igbvf_reset(struct igbvf_adapter *); static void igbvf_set_interrupt_capability(struct igbvf_adapter *); @@ -2649,7 +2654,7 @@ static int __devinit igbvf_probe(struct pci_dev *pdev, adapter->flags = ei->flags; adapter->hw.back = adapter; adapter->hw.mac.type = ei->mac; - adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); /* PCI config space info */ diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index 82aaa792cbf3..5fce363d810a 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -134,8 +134,8 @@ MODULE_DESCRIPTION("Intel(R) PRO/10GbE Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); -#define DEFAULT_DEBUG_LEVEL_SHIFT 3 -static int debug = DEFAULT_DEBUG_LEVEL_SHIFT; +#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK) +static int debug = -1; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); @@ -442,7 +442,7 @@ ixgb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->netdev = netdev; adapter->pdev = pdev; adapter->hw.back = adapter; - adapter->msg_enable = netif_msg_init(debug, DEFAULT_DEBUG_LEVEL_SHIFT); + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); adapter->hw.hw_addr = pci_ioremap_bar(pdev, BAR_0); if (!adapter->hw.hw_addr) { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 80e26ff30ebf..74e192107f9a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -544,7 +544,7 @@ struct ixgbe_fdir_filter { u16 action; }; -enum ixbge_state_t { +enum ixgbe_state_t { __IXGBE_TESTING, __IXGBE_RESETTING, __IXGBE_DOWN, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c index dde65f951400..652e4b09546d 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c @@ -44,62 +44,94 @@ #define DCB_NO_HW_CHG 1 /* DCB configuration did not change */ #define DCB_HW_CHG 2 /* DCB configuration changed, no reset */ -int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, - struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max) +int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *scfg, + struct ixgbe_dcb_config *dcfg, int tc_max) { - struct tc_configuration *src_tc_cfg = NULL; - struct tc_configuration *dst_tc_cfg = NULL; - int i; + struct tc_configuration *src = NULL; + struct tc_configuration *dst = NULL; + int i, j; + int tx = DCB_TX_CONFIG; + int rx = DCB_RX_CONFIG; + int changes = 0; - if (!src_dcb_cfg || !dst_dcb_cfg) - return -EINVAL; + if (!scfg || !dcfg) + return changes; for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) { - src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; - dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; + src = &scfg->tc_config[i - DCB_PG_ATTR_TC_0]; + dst = &dcfg->tc_config[i - DCB_PG_ATTR_TC_0]; - dst_tc_cfg->path[DCB_TX_CONFIG].prio_type = - src_tc_cfg->path[DCB_TX_CONFIG].prio_type; + if (dst->path[tx].prio_type != src->path[tx].prio_type) { + dst->path[tx].prio_type = src->path[tx].prio_type; + changes |= BIT_PG_TX; + } - dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id = - src_tc_cfg->path[DCB_TX_CONFIG].bwg_id; + if (dst->path[tx].bwg_id != src->path[tx].bwg_id) { + dst->path[tx].bwg_id = src->path[tx].bwg_id; + changes |= BIT_PG_TX; + } - dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent = - src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent; + if (dst->path[tx].bwg_percent != src->path[tx].bwg_percent) { + dst->path[tx].bwg_percent = src->path[tx].bwg_percent; + changes |= BIT_PG_TX; + } - dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap = - src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap; + if (dst->path[tx].up_to_tc_bitmap != + src->path[tx].up_to_tc_bitmap) { + dst->path[tx].up_to_tc_bitmap = + src->path[tx].up_to_tc_bitmap; + changes |= (BIT_PG_TX | BIT_PFC | BIT_APP_UPCHG); + } - dst_tc_cfg->path[DCB_RX_CONFIG].prio_type = - src_tc_cfg->path[DCB_RX_CONFIG].prio_type; + if (dst->path[rx].prio_type != src->path[rx].prio_type) { + dst->path[rx].prio_type = src->path[rx].prio_type; + changes |= BIT_PG_RX; + } - dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id = - src_tc_cfg->path[DCB_RX_CONFIG].bwg_id; + if (dst->path[rx].bwg_id != src->path[rx].bwg_id) { + dst->path[rx].bwg_id = src->path[rx].bwg_id; + changes |= BIT_PG_RX; + } - dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent = - src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent; + if (dst->path[rx].bwg_percent != src->path[rx].bwg_percent) { + dst->path[rx].bwg_percent = src->path[rx].bwg_percent; + changes |= BIT_PG_RX; + } - dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap = - src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap; + if (dst->path[rx].up_to_tc_bitmap != + src->path[rx].up_to_tc_bitmap) { + dst->path[rx].up_to_tc_bitmap = + src->path[rx].up_to_tc_bitmap; + changes |= (BIT_PG_RX | BIT_PFC | BIT_APP_UPCHG); + } } for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) { - dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG] - [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage - [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; - dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG] - [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage - [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; + j = i - DCB_PG_ATTR_BW_ID_0; + if (dcfg->bw_percentage[tx][j] != scfg->bw_percentage[tx][j]) { + dcfg->bw_percentage[tx][j] = scfg->bw_percentage[tx][j]; + changes |= BIT_PG_TX; + } + if (dcfg->bw_percentage[rx][j] != scfg->bw_percentage[rx][j]) { + dcfg->bw_percentage[rx][j] = scfg->bw_percentage[rx][j]; + changes |= BIT_PG_RX; + } } for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) { - dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc = - src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc; + j = i - DCB_PFC_UP_ATTR_0; + if (dcfg->tc_config[j].dcb_pfc != scfg->tc_config[j].dcb_pfc) { + dcfg->tc_config[j].dcb_pfc = scfg->tc_config[j].dcb_pfc; + changes |= BIT_PFC; + } } - dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable; + if (dcfg->pfc_mode_enable != scfg->pfc_mode_enable) { + dcfg->pfc_mode_enable = scfg->pfc_mode_enable; + changes |= BIT_PFC; + } - return 0; + return changes; } static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) @@ -179,20 +211,6 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, if (up_map != DCB_ATTR_VALUE_UNDEFINED) adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap = up_map; - - if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type != - adapter->dcb_cfg.tc_config[tc].path[0].prio_type) || - (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id != - adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) || - (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent != - adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) || - (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) - adapter->dcb_set_bitmap |= BIT_PG_TX; - - if (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap) - adapter->dcb_set_bitmap |= BIT_PFC | BIT_APP_UPCHG; } static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, @@ -201,10 +219,6 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, struct ixgbe_adapter *adapter = netdev_priv(netdev); adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct; - - if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] != - adapter->dcb_cfg.bw_percentage[0][bwg_id]) - adapter->dcb_set_bitmap |= BIT_PG_TX; } static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, @@ -223,20 +237,6 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, if (up_map != DCB_ATTR_VALUE_UNDEFINED) adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap = up_map; - - if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type != - adapter->dcb_cfg.tc_config[tc].path[1].prio_type) || - (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id != - adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) || - (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent != - adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) || - (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) - adapter->dcb_set_bitmap |= BIT_PG_RX; - - if (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap) - adapter->dcb_set_bitmap |= BIT_PFC; } static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, @@ -245,10 +245,6 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, struct ixgbe_adapter *adapter = netdev_priv(netdev); adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct; - - if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] != - adapter->dcb_cfg.bw_percentage[1][bwg_id]) - adapter->dcb_set_bitmap |= BIT_PG_RX; } static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, @@ -298,10 +294,8 @@ static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting; if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc != - adapter->dcb_cfg.tc_config[priority].dcb_pfc) { - adapter->dcb_set_bitmap |= BIT_PFC; + adapter->dcb_cfg.tc_config[priority].dcb_pfc) adapter->temp_dcb_cfg.pfc_mode_enable = true; - } } static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, @@ -336,7 +330,8 @@ static void ixgbe_dcbnl_devreset(struct net_device *dev) static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) { struct ixgbe_adapter *adapter = netdev_priv(netdev); - int ret, i; + int ret = DCB_NO_HW_CHG; + int i; #ifdef IXGBE_FCOE struct dcb_app app = { .selector = DCB_APP_IDTYPE_ETHTYPE, @@ -355,12 +350,13 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) /* Fail command if not in CEE mode */ if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) - return 1; + return ret; - ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg, - MAX_TRAFFIC_CLASS); - if (ret) - return DCB_NO_HW_CHG; + adapter->dcb_set_bitmap |= ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, + &adapter->dcb_cfg, + MAX_TRAFFIC_CLASS); + if (!adapter->dcb_set_bitmap) + return ret; if (adapter->dcb_cfg.pfc_mode_enable) { switch (adapter->hw.mac.type) { @@ -420,6 +416,8 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) netdev_set_prio_tc_map(netdev, i, prio_tc[i]); + + ret = DCB_HW_CHG_RST; } if (adapter->dcb_set_bitmap & BIT_PFC) { @@ -430,7 +428,8 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) DCB_TX_CONFIG, prio_tc); ixgbe_dcb_unpack_pfc(&adapter->dcb_cfg, &pfc_en); ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc_en, prio_tc); - ret = DCB_HW_CHG; + if (ret != DCB_HW_CHG_RST) + ret = DCB_HW_CHG; } if (adapter->dcb_cfg.pfc_mode_enable) @@ -531,9 +530,6 @@ static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state) struct ixgbe_adapter *adapter = netdev_priv(netdev); adapter->temp_dcb_cfg.pfc_mode_enable = state; - if (adapter->temp_dcb_cfg.pfc_mode_enable != - adapter->dcb_cfg.pfc_mode_enable) - adapter->dcb_set_bitmap |= BIT_PFC; } /** diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 398fc223cab9..3e26b1f9ac75 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -63,8 +63,8 @@ static char ixgbe_default_device_descr[] = "Intel(R) 10 Gigabit Network Connection"; #endif #define MAJ 3 -#define MIN 6 -#define BUILD 7 +#define MIN 8 +#define BUILD 21 #define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \ __stringify(BUILD) "-k" const char ixgbe_driver_version[] = DRV_VERSION; @@ -141,13 +141,16 @@ module_param(allow_unsupported_sfp, uint, 0); MODULE_PARM_DESC(allow_unsupported_sfp, "Allow unsupported and untested SFP+ modules on 82599-based adapters"); +#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK) +static int debug = -1; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); -#define DEFAULT_DEBUG_LEVEL_SHIFT 3 - static void ixgbe_service_event_schedule(struct ixgbe_adapter *adapter) { if (!test_bit(__IXGBE_DOWN, &adapter->state) && @@ -6834,7 +6837,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, adapter->pdev = pdev; hw = &adapter->hw; hw->back = adapter; - adapter->msg_enable = (1 << DEFAULT_DEBUG_LEVEL_SHIFT) - 1; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); hw->hw_addr = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 581c65976bb4..307611ae831d 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -91,7 +91,10 @@ MODULE_DESCRIPTION("Intel(R) 82599 Virtual Function Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); -#define DEFAULT_DEBUG_LEVEL_SHIFT 3 +#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK) +static int debug = -1; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); /* forward decls */ static void ixgbevf_set_itr_msix(struct ixgbevf_q_vector *q_vector); @@ -3367,7 +3370,7 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev, adapter->pdev = pdev; hw = &adapter->hw; hw->back = adapter; - adapter->msg_enable = (1 << DEFAULT_DEBUG_LEVEL_SHIFT) - 1; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE); /* * call save state here in standalone driver because it relies on diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index 423a1a2a702e..c9b504e2dfc3 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -1767,13 +1767,14 @@ static int sky2_open(struct net_device *dev) sky2_hw_up(sky2); + /* Enable interrupts from phy/mac for port */ + imask = sky2_read32(hw, B0_IMSK); + if (hw->chip_id == CHIP_ID_YUKON_OPT || hw->chip_id == CHIP_ID_YUKON_PRM || hw->chip_id == CHIP_ID_YUKON_OP_2) imask |= Y2_IS_PHY_QLNK; /* enable PHY Quick Link */ - /* Enable interrupts from phy/mac for port */ - imask = sky2_read32(hw, B0_IMSK); imask |= portirq_msk[port]; sky2_write32(hw, B0_IMSK, imask); sky2_read32(hw, B0_IMSK); @@ -2468,6 +2469,17 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu) return err; } +static inline bool needs_copy(const struct rx_ring_info *re, + unsigned length) +{ +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + /* Some architectures need the IP header to be aligned */ + if (!IS_ALIGNED(re->data_addr + ETH_HLEN, sizeof(u32))) + return true; +#endif + return length < copybreak; +} + /* For small just reuse existing skb for next receive */ static struct sk_buff *receive_copy(struct sky2_port *sky2, const struct rx_ring_info *re, @@ -2598,7 +2610,7 @@ static struct sk_buff *sky2_receive(struct net_device *dev, goto error; okay: - if (length < copybreak) + if (needs_copy(re, length)) skb = receive_copy(sky2, re, length); else skb = receive_new(sky2, re, length); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 9e2b911a1230..d69fee41f24a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -83,8 +83,9 @@ #define MLX4_EN_WATCHDOG_TIMEOUT (15 * HZ) -#define MLX4_EN_ALLOC_ORDER 2 -#define MLX4_EN_ALLOC_SIZE (PAGE_SIZE << MLX4_EN_ALLOC_ORDER) +/* Use the maximum between 16384 and a single page */ +#define MLX4_EN_ALLOC_SIZE PAGE_ALIGN(16384) +#define MLX4_EN_ALLOC_ORDER get_order(MLX4_EN_ALLOC_SIZE) #define MLX4_EN_MAX_LRO_DESCRIPTORS 32 diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 69444247c20b..6dfc26d85e47 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1441,7 +1441,7 @@ static int lpc_eth_drv_probe(struct platform_device *pdev) } #endif if (!is_valid_ether_addr(ndev->dev_addr)) - dev_hw_addr_random(ndev, ndev->dev_addr); + eth_hw_addr_random(ndev); /* Reset the ethernet controller */ __lpc_eth_reset(pldat); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 7b23554f80b6..f54509377efa 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -5810,7 +5810,10 @@ static void __rtl8169_resume(struct net_device *dev) rtl_pll_power_up(tp); + rtl_lock_work(tp); + napi_enable(&tp->napi); set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); + rtl_unlock_work(tp); rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); } diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig index 9755b49bbefb..3fb2355af37e 100644 --- a/drivers/net/ethernet/renesas/Kconfig +++ b/drivers/net/ethernet/renesas/Kconfig @@ -7,7 +7,8 @@ config SH_ETH depends on SUPERH && \ (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || \ CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7619 || \ - CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7757) + CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7734 || \ + CPU_SUBTYPE_SH7757) select CRC32 select NET_CORE select MII @@ -16,4 +17,4 @@ config SH_ETH ---help--- Renesas SuperH Ethernet device driver. This driver supporting CPUs are: - - SH7710, SH7712, SH7763, SH7619, SH7724, and SH7757. + - SH7619, SH7710, SH7712, SH7724, SH7734, SH7763 and SH7757. diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 8615961c1287..d63e09b29a96 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1,8 +1,8 @@ /* * SuperH Ethernet device driver * - * Copyright (C) 2006-2008 Nobuhiro Iwamatsu - * Copyright (C) 2008-2009 Renesas Solutions Corp. + * Copyright (C) 2006-2012 Nobuhiro Iwamatsu + * Copyright (C) 2008-2012 Renesas Solutions Corp. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -38,6 +38,7 @@ #include <linux/slab.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> +#include <linux/clk.h> #include <linux/sh_eth.h> #include "sh_eth.h" @@ -279,8 +280,9 @@ static struct sh_eth_cpu_data *sh_eth_get_cpu_data(struct sh_eth_private *mdp) return &sh_eth_my_cpu_data; } -#elif defined(CONFIG_CPU_SUBTYPE_SH7763) +#elif defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763) #define SH_ETH_HAS_TSU 1 +static void sh_eth_reset_hw_crc(struct net_device *ndev); static void sh_eth_chip_reset(struct net_device *ndev) { struct sh_eth_private *mdp = netdev_priv(ndev); @@ -314,6 +316,9 @@ static void sh_eth_reset(struct net_device *ndev) sh_eth_write(ndev, 0x0, RDFAR); sh_eth_write(ndev, 0x0, RDFXR); sh_eth_write(ndev, 0x0, RDFFR); + + /* Reset HW CRC register */ + sh_eth_reset_hw_crc(ndev); } static void sh_eth_set_duplex(struct net_device *ndev) @@ -370,8 +375,17 @@ static struct sh_eth_cpu_data sh_eth_my_cpu_data = { .no_trimd = 1, .no_ade = 1, .tsu = 1, +#if defined(CONFIG_CPU_SUBTYPE_SH7734) + .hw_crc = 1, +#endif }; +static void sh_eth_reset_hw_crc(struct net_device *ndev) +{ + if (sh_eth_my_cpu_data.hw_crc) + sh_eth_write(ndev, 0x0, CSMR); +} + #elif defined(CONFIG_CPU_SUBTYPE_SH7619) #define SH_ETH_RESET_DEFAULT 1 static struct sh_eth_cpu_data sh_eth_my_cpu_data = { @@ -790,7 +804,7 @@ static int sh_eth_dev_init(struct net_device *ndev) /* all sh_eth int mask */ sh_eth_write(ndev, 0, EESIPR); -#if defined(__LITTLE_ENDIAN__) +#if defined(__LITTLE_ENDIAN) if (mdp->cd->hw_swap) sh_eth_write(ndev, EDMR_EL, EDMR); else diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 57dc26261116..0fa14afce23d 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -1,8 +1,8 @@ /* * SuperH Ethernet device driver * - * Copyright (C) 2006-2008 Nobuhiro Iwamatsu - * Copyright (C) 2008-2011 Renesas Solutions Corp. + * Copyright (C) 2006-2012 Nobuhiro Iwamatsu + * Copyright (C) 2008-2012 Renesas Solutions Corp. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -98,6 +98,8 @@ enum { CEECR, MAFCR, RTRATE, + CSMR, + RMII_MII, /* TSU Absolute address */ ARSTR, @@ -172,6 +174,7 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { [RMCR] = 0x0458, [RPADIR] = 0x0460, [FCFTR] = 0x0468, + [CSMR] = 0x04E4, [ECMR] = 0x0500, [ECSR] = 0x0510, @@ -200,6 +203,7 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { [CERCR] = 0x0768, [CEECR] = 0x0770, [MAFCR] = 0x0778, + [RMII_MII] = 0x0790, [ARSTR] = 0x0000, [TSU_CTRST] = 0x0004, @@ -377,7 +381,7 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { /* * Register's bits */ -#ifdef CONFIG_CPU_SUBTYPE_SH7763 +#if defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763) /* EDSR */ enum EDSR_BIT { EDSR_ENT = 0x01, EDSR_ENR = 0x02, @@ -689,7 +693,7 @@ enum TSU_FWSLC_BIT { */ struct sh_eth_txdesc { u32 status; /* TD0 */ -#if defined(CONFIG_CPU_LITTLE_ENDIAN) +#if defined(__LITTLE_ENDIAN) u16 pad0; /* TD1 */ u16 buffer_length; /* TD1 */ #else @@ -706,7 +710,7 @@ struct sh_eth_txdesc { */ struct sh_eth_rxdesc { u32 status; /* RD0 */ -#if defined(CONFIG_CPU_LITTLE_ENDIAN) +#if defined(__LITTLE_ENDIAN) u16 frame_length; /* RD1 */ u16 buffer_length; /* RD1 */ #else @@ -751,6 +755,7 @@ struct sh_eth_cpu_data { unsigned rpadir:1; /* E-DMAC have RPADIR */ unsigned no_trimd:1; /* E-DMAC DO NOT have TRIMD */ unsigned no_ade:1; /* E-DMAC DO NOT have ADE bit in EESR */ + unsigned hw_crc:1; /* E-DMAC have CSMR */ }; struct sh_eth_private { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index e85ffbd54830..48d56da62f08 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1737,10 +1737,12 @@ static int stmmac_hw_init(struct stmmac_priv *priv) struct mac_device_info *mac; /* Identify the MAC HW device */ - if (priv->plat->has_gmac) + if (priv->plat->has_gmac) { + priv->dev->priv_flags |= IFF_UNICAST_FLT; mac = dwmac1000_setup(priv->ioaddr); - else + } else { mac = dwmac100_setup(priv->ioaddr); + } if (!mac) return -ENOMEM; diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c index 261356c2dc99..3d501ec7fad7 100644 --- a/drivers/net/ethernet/tile/tilepro.c +++ b/drivers/net/ethernet/tile/tilepro.c @@ -342,6 +342,21 @@ inline int __netio_fastio1(u32 fastio_index, u32 arg0) } +static void tile_net_return_credit(struct tile_net_cpu *info) +{ + struct tile_netio_queue *queue = &info->queue; + netio_queue_user_impl_t *qup = &queue->__user_part; + + /* Return four credits after every fourth packet. */ + if (--qup->__receive_credit_remaining == 0) { + u32 interval = qup->__receive_credit_interval; + qup->__receive_credit_remaining = interval; + __netio_fastio_return_credits(qup->__fastio_index, interval); + } +} + + + /* * Provide a linux buffer to LIPP. */ @@ -433,7 +448,7 @@ static bool tile_net_provide_needed_buffer(struct tile_net_cpu *info, struct sk_buff **skb_ptr; /* Request 96 extra bytes for alignment purposes. */ - skb = netdev_alloc_skb(info->napi->dev, len + padding); + skb = netdev_alloc_skb(info->napi.dev, len + padding); if (skb == NULL) return false; @@ -864,19 +879,11 @@ static bool tile_net_poll_aux(struct tile_net_cpu *info, int index) stats->rx_packets++; stats->rx_bytes += len; - - if (small) - info->num_needed_small_buffers++; - else - info->num_needed_large_buffers++; } - /* Return four credits after every fourth packet. */ - if (--qup->__receive_credit_remaining == 0) { - u32 interval = qup->__receive_credit_interval; - qup->__receive_credit_remaining = interval; - __netio_fastio_return_credits(qup->__fastio_index, interval); - } + /* ISSUE: It would be nice to defer this until the packet has */ + /* actually been processed. */ + tile_net_return_credit(info); /* Consume this packet. */ qup->__packet_receive_read = index2; @@ -1543,7 +1550,7 @@ static int tile_net_drain_lipp_buffers(struct tile_net_priv *priv) /* Drain all the LIPP buffers. */ while (true) { - int buffer; + unsigned int buffer; /* NOTE: This should never fail. */ if (hv_dev_pread(priv->hv_devhdl, 0, (HV_VirtAddr)&buffer, @@ -1707,7 +1714,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags, if (!hash_default) { void *va = pfn_to_kaddr(pfn) + f->page_offset; BUG_ON(PageHighMem(skb_frag_page(f))); - finv_buffer_remote(va, f->size, 0); + finv_buffer_remote(va, skb_frag_size(f), 0); } cpa = ((phys_addr_t)pfn << PAGE_SHIFT) + f->page_offset; @@ -1735,8 +1742,8 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags, * Sometimes, if "sendfile()" requires copying, we will be called with * "data" containing the header and payload, with "frags" being empty. * - * In theory, "sh->nr_frags" could be 3, but in practice, it seems - * that this will never actually happen. + * Sometimes, for example when using NFS over TCP, a single segment can + * span 3 fragments, which must be handled carefully in LEPP. * * See "emulate_large_send_offload()" for some reference code, which * does not handle checksumming. @@ -1844,10 +1851,8 @@ static int tile_net_tx_tso(struct sk_buff *skb, struct net_device *dev) spin_lock_irqsave(&priv->eq_lock, irqflags); - /* - * Handle completions if needed to make room. - * HACK: Spin until there is sufficient room. - */ + /* Handle completions if needed to make room. */ + /* NOTE: Return NETDEV_TX_BUSY if there is still no room. */ if (lepp_num_free_comp_slots(eq) == 0) { nolds = tile_net_lepp_grab_comps(eq, olds, wanted, 0); if (nolds == 0) { @@ -1861,6 +1866,7 @@ busy: cmd_tail = eq->cmd_tail; /* Prepare to advance, detecting full queue. */ + /* NOTE: Return NETDEV_TX_BUSY if the queue is full. */ cmd_next = cmd_tail + cmd_size; if (cmd_tail < cmd_head && cmd_next >= cmd_head) goto busy; @@ -2023,10 +2029,8 @@ static int tile_net_tx(struct sk_buff *skb, struct net_device *dev) spin_lock_irqsave(&priv->eq_lock, irqflags); - /* - * Handle completions if needed to make room. - * HACK: Spin until there is sufficient room. - */ + /* Handle completions if needed to make room. */ + /* NOTE: Return NETDEV_TX_BUSY if there is still no room. */ if (lepp_num_free_comp_slots(eq) == 0) { nolds = tile_net_lepp_grab_comps(eq, olds, wanted, 0); if (nolds == 0) { @@ -2040,6 +2044,7 @@ busy: cmd_tail = eq->cmd_tail; /* Copy the commands, or fail. */ + /* NOTE: Return NETDEV_TX_BUSY if the queue is full. */ for (i = 0; i < num_frags; i++) { /* Prepare to advance, detecting full queue. */ @@ -2261,6 +2266,23 @@ static int tile_net_get_mac(struct net_device *dev) return 0; } + +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void tile_net_netpoll(struct net_device *dev) +{ + struct tile_net_priv *priv = netdev_priv(dev); + disable_percpu_irq(priv->intr_id); + tile_net_handle_ingress_interrupt(priv->intr_id, dev); + enable_percpu_irq(priv->intr_id, 0); +} +#endif + + static const struct net_device_ops tile_net_ops = { .ndo_open = tile_net_open, .ndo_stop = tile_net_stop, @@ -2269,7 +2291,10 @@ static const struct net_device_ops tile_net_ops = { .ndo_get_stats = tile_net_get_stats, .ndo_change_mtu = tile_net_change_mtu, .ndo_tx_timeout = tile_net_tx_timeout, - .ndo_set_mac_address = tile_net_set_mac_address + .ndo_set_mac_address = tile_net_set_mac_address, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = tile_net_netpoll, +#endif }; @@ -2409,7 +2434,7 @@ static void tile_net_cleanup(void) */ static int tile_net_init_module(void) { - pr_info("Tilera IPP Net Driver\n"); + pr_info("Tilera Network Driver\n"); tile_net_devs[0] = tile_net_dev_init("xgbe0"); tile_net_devs[1] = tile_net_dev_init("xgbe1"); diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 39b8cf3dafcd..fcfa01f7ceb6 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -503,30 +503,32 @@ static int rhine_vlan_rx_add_vid(struct net_device *dev, unsigned short vid); static int rhine_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid); static void rhine_restart_tx(struct net_device *dev); -static void rhine_wait_bit(struct rhine_private *rp, u8 reg, u8 mask, bool high) +static void rhine_wait_bit(struct rhine_private *rp, u8 reg, u8 mask, bool low) { void __iomem *ioaddr = rp->base; int i; for (i = 0; i < 1024; i++) { - if (high ^ !!(ioread8(ioaddr + reg) & mask)) + bool has_mask_bits = !!(ioread8(ioaddr + reg) & mask); + + if (low ^ has_mask_bits) break; udelay(10); } if (i > 64) { netif_dbg(rp, hw, rp->dev, "%s bit wait (%02x/%02x) cycle " - "count: %04d\n", high ? "high" : "low", reg, mask, i); + "count: %04d\n", low ? "low" : "high", reg, mask, i); } } static void rhine_wait_bit_high(struct rhine_private *rp, u8 reg, u8 mask) { - rhine_wait_bit(rp, reg, mask, true); + rhine_wait_bit(rp, reg, mask, false); } static void rhine_wait_bit_low(struct rhine_private *rp, u8 reg, u8 mask) { - rhine_wait_bit(rp, reg, mask, false); + rhine_wait_bit(rp, reg, mask, true); } static u32 rhine_get_events(struct rhine_private *rp) diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c index a0d1913a58d3..e25067552b20 100644 --- a/drivers/net/irda/sa1100_ir.c +++ b/drivers/net/irda/sa1100_ir.c @@ -147,7 +147,7 @@ static void sa1100_irda_dma_start(struct sa1100_buf *buf, struct dma_async_tx_descriptor *desc; struct dma_chan *chan = buf->chan; - desc = chan->device->device_prep_slave_sg(chan, &buf->sg, 1, dir, + desc = dmaengine_prep_slave_sg(chan, &buf->sg, 1, dir, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (desc) { desc->callback = cb; diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c index 0856e1b7a849..f08c85acf761 100644 --- a/drivers/net/phy/icplus.c +++ b/drivers/net/phy/icplus.c @@ -162,7 +162,8 @@ static int ip101a_g_config_init(struct phy_device *phydev) /* Enable Auto Power Saving mode */ c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS); c |= IP101A_G_APS_ON; - return c; + + return phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c); } static int ip175c_read_status(struct phy_device *phydev) diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 159da2905fe9..33f8c51968b6 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -235,7 +235,7 @@ struct ppp_net { /* Prototypes. */ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf, struct file *file, unsigned int cmd, unsigned long arg); -static void ppp_xmit_process(struct ppp *ppp); +static int ppp_xmit_process(struct ppp *ppp); static void ppp_send_frame(struct ppp *ppp, struct sk_buff *skb); static void ppp_push(struct ppp *ppp); static void ppp_channel_push(struct channel *pch); @@ -968,9 +968,9 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev) proto = npindex_to_proto[npi]; put_unaligned_be16(proto, pp); - netif_stop_queue(dev); skb_queue_tail(&ppp->file.xq, skb); - ppp_xmit_process(ppp); + if (!ppp_xmit_process(ppp)) + netif_stop_queue(dev); return NETDEV_TX_OK; outf: @@ -1048,10 +1048,11 @@ static void ppp_setup(struct net_device *dev) * Called to do any work queued up on the transmit side * that can now be done. */ -static void +static int ppp_xmit_process(struct ppp *ppp) { struct sk_buff *skb; + int ret = 0; ppp_xmit_lock(ppp); if (!ppp->closing) { @@ -1061,10 +1062,13 @@ ppp_xmit_process(struct ppp *ppp) ppp_send_frame(ppp, skb); /* If there's no work left to do, tell the core net code that we can accept some more. */ - if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq)) + if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq)) { netif_wake_queue(ppp->dev); + ret = 1; + } } ppp_xmit_unlock(ppp); + return ret; } static inline struct sk_buff * diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c index a57f05726b57..91d25888a1b9 100644 --- a/drivers/net/rionet.c +++ b/drivers/net/rionet.c @@ -375,8 +375,8 @@ static void rionet_remove(struct rio_dev *rdev) struct net_device *ndev = rio_get_drvdata(rdev); struct rionet_peer *peer, *tmp; - free_pages((unsigned long)rionet_active, rdev->net->hport->sys_size ? - __fls(sizeof(void *)) + 4 : 0); + free_pages((unsigned long)rionet_active, get_order(sizeof(void *) * + RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size))); unregister_netdev(ndev); free_netdev(ndev); @@ -432,15 +432,16 @@ static int rionet_setup_netdev(struct rio_mport *mport, struct net_device *ndev) int rc = 0; struct rionet_private *rnet; u16 device_id; + const size_t rionet_active_bytes = sizeof(void *) * + RIO_MAX_ROUTE_ENTRIES(mport->sys_size); rionet_active = (struct rio_dev **)__get_free_pages(GFP_KERNEL, - mport->sys_size ? __fls(sizeof(void *)) + 4 : 0); + get_order(rionet_active_bytes)); if (!rionet_active) { rc = -ENOMEM; goto out; } - memset((void *)rionet_active, 0, sizeof(void *) * - RIO_MAX_ROUTE_ENTRIES(mport->sys_size)); + memset((void *)rionet_active, 0, rionet_active_bytes); /* Set up private area */ rnet = netdev_priv(ndev); diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c index 3886b30ed373..3e41b00c6806 100644 --- a/drivers/net/usb/cdc-phonet.c +++ b/drivers/net/usb/cdc-phonet.c @@ -165,13 +165,13 @@ static void rx_complete(struct urb *req) memcpy(skb_put(skb, 1), page_address(page), 1); skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, 1, req->actual_length, - req->actual_length); + PAGE_SIZE); page = NULL; } } else { skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, 0, req->actual_length, - req->actual_length); + PAGE_SIZE); page = NULL; } if (req->actual_length < PAGE_SIZE) diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index 439690be519f..685a4e22c768 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -93,6 +93,7 @@ static int eem_bind(struct usbnet *dev, struct usb_interface *intf) /* no jumbogram (16K) support for now */ dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; } diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 6dda2fe5b15b..d363b31053da 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -85,32 +85,6 @@ #define INT_CRERR_CNT 0x06 #define INT_COL_CNT 0x07 -/* Transmit status register errors */ -#define TSR_ECOL (1<<5) -#define TSR_LCOL (1<<4) -#define TSR_LOSS_CRS (1<<3) -#define TSR_JBR (1<<2) -#define TSR_ERRORS (TSR_ECOL | TSR_LCOL | TSR_LOSS_CRS | TSR_JBR) -/* Receive status register errors */ -#define RSR_CRC (1<<2) -#define RSR_FAE (1<<1) -#define RSR_ERRORS (RSR_CRC | RSR_FAE) - -/* Media status register definitions */ -#define MSR_DUPLEX (1<<4) -#define MSR_SPEED (1<<3) -#define MSR_LINK (1<<2) - -/* Interrupt pipe data */ -#define INT_TSR 0x00 -#define INT_RSR 0x01 -#define INT_MSR 0x02 -#define INT_WAKSR 0x03 -#define INT_TXOK_CNT 0x04 -#define INT_RXLOST_CNT 0x05 -#define INT_CRERR_CNT 0x06 -#define INT_COL_CNT 0x07 - #define RTL8150_MTU 1540 #define RTL8150_TX_TIMEOUT (HZ) diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c index c3197ce0e2ad..34db195fb8b0 100644 --- a/drivers/net/usb/zaurus.c +++ b/drivers/net/usb/zaurus.c @@ -337,6 +337,11 @@ static const struct usb_device_id products [] = { .driver_info = ZAURUS_PXA_INFO, }, { + /* Motorola Rokr E6 */ + USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x6027, USB_CLASS_COMM, + USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long) &bogus_mdlm_info, +}, { /* Motorola MOTOMAGX phones */ USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x6425, USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 019da012669f..4de2760c5937 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -625,12 +625,13 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) /* This can happen with OOM and indirect buffers. */ if (unlikely(capacity < 0)) { - if (net_ratelimit()) { - if (likely(capacity == -ENOMEM)) { + if (likely(capacity == -ENOMEM)) { + if (net_ratelimit()) { dev_warn(&dev->dev, "TX queue failure: out of memory\n"); } else { - dev->stats.tx_fifo_errors++; + dev->stats.tx_fifo_errors++; + if (net_ratelimit()) dev_warn(&dev->dev, "Unexpected TX queue failure: %d\n", capacity); diff --git a/drivers/net/wimax/i2400m/debugfs.c b/drivers/net/wimax/i2400m/debugfs.c index 129ba36bd04d..4b66ab1d0e5c 100644 --- a/drivers/net/wimax/i2400m/debugfs.c +++ b/drivers/net/wimax/i2400m/debugfs.c @@ -53,17 +53,6 @@ struct dentry *debugfs_create_netdev_queue_stopped( &fops_netdev_queue_stopped); } - -/* - * inode->i_private has the @data argument to debugfs_create_file() - */ -static -int i2400m_stats_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - /* * We don't allow partial reads of this file, as then the reader would * get weirdly confused data as it is updated. @@ -117,7 +106,7 @@ ssize_t i2400m_rx_stats_write(struct file *filp, const char __user *buffer, static const struct file_operations i2400m_rx_stats_fops = { .owner = THIS_MODULE, - .open = i2400m_stats_open, + .open = simple_open, .read = i2400m_rx_stats_read, .write = i2400m_rx_stats_write, .llseek = default_llseek, @@ -170,7 +159,7 @@ ssize_t i2400m_tx_stats_write(struct file *filp, const char __user *buffer, static const struct file_operations i2400m_tx_stats_fops = { .owner = THIS_MODULE, - .open = i2400m_stats_open, + .open = simple_open, .read = i2400m_tx_stats_read, .write = i2400m_tx_stats_write, .llseek = default_llseek, diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c index 63e4b709efa9..1d76ae855f07 100644 --- a/drivers/net/wimax/i2400m/netdev.c +++ b/drivers/net/wimax/i2400m/netdev.c @@ -597,7 +597,8 @@ static void i2400m_get_drvinfo(struct net_device *net_dev, struct i2400m *i2400m = net_dev_to_i2400m(net_dev); strncpy(info->driver, KBUILD_MODNAME, sizeof(info->driver) - 1); - strncpy(info->fw_version, i2400m->fw_name, sizeof(info->fw_version) - 1); + strncpy(info->fw_version, + i2400m->fw_name ? : "", sizeof(info->fw_version) - 1); if (net_dev->dev.parent) strncpy(info->bus_info, dev_name(net_dev->dev.parent), sizeof(info->bus_info) - 1); diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index 2c1b8b687646..29b1e033a10b 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -339,6 +339,23 @@ int i2400mu_bus_reset(struct i2400m *i2400m, enum i2400m_reset_type rt) return result; } +static void i2400mu_get_drvinfo(struct net_device *net_dev, + struct ethtool_drvinfo *info) +{ + struct i2400m *i2400m = net_dev_to_i2400m(net_dev); + struct i2400mu *i2400mu = container_of(i2400m, struct i2400mu, i2400m); + struct usb_device *udev = i2400mu->usb_dev; + + strncpy(info->driver, KBUILD_MODNAME, sizeof(info->driver) - 1); + strncpy(info->fw_version, + i2400m->fw_name ? : "", sizeof(info->fw_version) - 1); + usb_make_path(udev, info->bus_info, sizeof(info->bus_info)); +} + +static const struct ethtool_ops i2400mu_ethtool_ops = { + .get_drvinfo = i2400mu_get_drvinfo, + .get_link = ethtool_op_get_link, +}; static void i2400mu_netdev_setup(struct net_device *net_dev) @@ -347,6 +364,7 @@ void i2400mu_netdev_setup(struct net_device *net_dev) struct i2400mu *i2400mu = container_of(i2400m, struct i2400mu, i2400m); i2400mu_init(i2400mu); i2400m_netdev_setup(net_dev); + net_dev->ethtool_ops = &i2400mu_ethtool_ops; } diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index 8c5ce8b0c734..e5e8f45d86ac 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -71,13 +71,6 @@ static unsigned int ath5k_debug; module_param_named(debug, ath5k_debug, uint, 0); -static int ath5k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - - /* debugfs: registers */ struct reg { @@ -265,7 +258,7 @@ static ssize_t write_file_beacon(struct file *file, static const struct file_operations fops_beacon = { .read = read_file_beacon, .write = write_file_beacon, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -285,7 +278,7 @@ static ssize_t write_file_reset(struct file *file, static const struct file_operations fops_reset = { .write = write_file_reset, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = noop_llseek, }; @@ -365,7 +358,7 @@ static ssize_t write_file_debug(struct file *file, static const struct file_operations fops_debug = { .read = read_file_debug, .write = write_file_debug, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -477,7 +470,7 @@ static ssize_t write_file_antenna(struct file *file, static const struct file_operations fops_antenna = { .read = read_file_antenna, .write = write_file_antenna, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -532,7 +525,7 @@ static ssize_t read_file_misc(struct file *file, char __user *user_buf, static const struct file_operations fops_misc = { .read = read_file_misc, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, }; @@ -647,7 +640,7 @@ static ssize_t write_file_frameerrors(struct file *file, static const struct file_operations fops_frameerrors = { .read = read_file_frameerrors, .write = write_file_frameerrors, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -810,7 +803,7 @@ static ssize_t write_file_ani(struct file *file, static const struct file_operations fops_ani = { .read = read_file_ani, .write = write_file_ani, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -881,7 +874,7 @@ static ssize_t write_file_queue(struct file *file, static const struct file_operations fops_queue = { .read = read_file_queue, .write = write_file_queue, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index 552adb3f80d0..d01403a263ff 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -217,12 +217,6 @@ void dump_cred_dist_stats(struct htc_target *target) target->credit_info->cur_free_credits); } -static int ath6kl_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war) { switch (war) { @@ -263,7 +257,7 @@ static ssize_t read_file_war_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_war_stats = { .read = read_file_war_stats, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -488,7 +482,7 @@ static ssize_t ath6kl_fwlog_mask_write(struct file *file, } static const struct file_operations fops_fwlog_mask = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_fwlog_mask_read, .write = ath6kl_fwlog_mask_write, .owner = THIS_MODULE, @@ -634,7 +628,7 @@ static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_stats = { .read = read_file_tgt_stats, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -699,7 +693,7 @@ static ssize_t read_file_credit_dist_stats(struct file *file, static const struct file_operations fops_credit_dist_stats = { .read = read_file_credit_dist_stats, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -802,7 +796,7 @@ static ssize_t ath6kl_endpoint_stats_write(struct file *file, } static const struct file_operations fops_endpoint_stats = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_endpoint_stats_read, .write = ath6kl_endpoint_stats_write, .owner = THIS_MODULE, @@ -875,7 +869,7 @@ static ssize_t ath6kl_regread_write(struct file *file, static const struct file_operations fops_diag_reg_read = { .read = ath6kl_regread_read, .write = ath6kl_regread_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -999,7 +993,7 @@ static ssize_t ath6kl_lrssi_roam_read(struct file *file, static const struct file_operations fops_lrssi_roam_threshold = { .read = ath6kl_lrssi_roam_read, .write = ath6kl_lrssi_roam_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1061,7 +1055,7 @@ static ssize_t ath6kl_regwrite_write(struct file *file, static const struct file_operations fops_diag_reg_write = { .read = ath6kl_regwrite_read, .write = ath6kl_regwrite_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1166,7 +1160,7 @@ static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf, static const struct file_operations fops_roam_table = { .read = ath6kl_roam_table_read, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1204,7 +1198,7 @@ static ssize_t ath6kl_force_roam_write(struct file *file, static const struct file_operations fops_force_roam = { .write = ath6kl_force_roam_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1244,7 +1238,7 @@ static ssize_t ath6kl_roam_mode_write(struct file *file, static const struct file_operations fops_roam_mode = { .write = ath6kl_roam_mode_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1286,7 +1280,7 @@ static ssize_t ath6kl_keepalive_write(struct file *file, } static const struct file_operations fops_keepalive = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_keepalive_read, .write = ath6kl_keepalive_write, .owner = THIS_MODULE, @@ -1331,7 +1325,7 @@ static ssize_t ath6kl_disconnect_timeout_write(struct file *file, } static const struct file_operations fops_disconnect_timeout = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_disconnect_timeout_read, .write = ath6kl_disconnect_timeout_write, .owner = THIS_MODULE, @@ -1512,7 +1506,7 @@ static ssize_t ath6kl_create_qos_write(struct file *file, static const struct file_operations fops_create_qos = { .write = ath6kl_create_qos_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1560,7 +1554,7 @@ static ssize_t ath6kl_delete_qos_write(struct file *file, static const struct file_operations fops_delete_qos = { .write = ath6kl_delete_qos_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1593,7 +1587,7 @@ static ssize_t ath6kl_bgscan_int_write(struct file *file, static const struct file_operations fops_bgscan_int = { .write = ath6kl_bgscan_int_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1651,7 +1645,7 @@ static ssize_t ath6kl_listen_int_read(struct file *file, static const struct file_operations fops_listen_int = { .read = ath6kl_listen_int_read, .write = ath6kl_listen_int_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1711,7 +1705,7 @@ static ssize_t ath6kl_power_params_write(struct file *file, static const struct file_operations fops_power_params = { .write = ath6kl_power_params_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index 2f4b48e6fb03..e5cceb077574 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -20,7 +20,6 @@ /* Common calibration code */ -#define ATH9K_NF_TOO_HIGH -60 static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer) { @@ -346,10 +345,10 @@ static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf) "NF calibrated [%s] [chain %d] is %d\n", (i >= 3 ? "ext" : "ctl"), i % 3, nf[i]); - if (nf[i] > ATH9K_NF_TOO_HIGH) { + if (nf[i] > limit->max) { ath_dbg(common, CALIBRATE, "NF[%d] (%d) > MAX (%d), correcting to MAX\n", - i, nf[i], ATH9K_NF_TOO_HIGH); + i, nf[i], limit->max); nf[i] = limit->max; } else if (nf[i] < limit->min) { ath_dbg(common, CALIBRATE, diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 35d1c8e91d1c..ff47b32ecaf4 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -26,11 +26,6 @@ #define REG_READ_D(_ah, _reg) \ ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) -static int ath9k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -83,7 +78,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf, static const struct file_operations fops_debug = { .read = read_file_debug, .write = write_file_debug, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -129,7 +124,7 @@ static ssize_t write_file_tx_chainmask(struct file *file, const char __user *use static const struct file_operations fops_tx_chainmask = { .read = read_file_tx_chainmask, .write = write_file_tx_chainmask, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -172,7 +167,7 @@ static ssize_t write_file_rx_chainmask(struct file *file, const char __user *use static const struct file_operations fops_rx_chainmask = { .read = read_file_rx_chainmask, .write = write_file_rx_chainmask, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -223,7 +218,7 @@ static ssize_t write_file_disable_ani(struct file *file, static const struct file_operations fops_disable_ani = { .read = read_file_disable_ani, .write = write_file_disable_ani, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -324,7 +319,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf, static const struct file_operations fops_dma = { .read = read_file_dma, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -446,7 +441,7 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, static const struct file_operations fops_interrupt = { .read = read_file_interrupt, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -852,28 +847,28 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, static const struct file_operations fops_xmit = { .read = read_file_xmit, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static const struct file_operations fops_stations = { .read = read_file_stations, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static const struct file_operations fops_misc = { .read = read_file_misc, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static const struct file_operations fops_reset = { .read = read_file_reset, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1016,7 +1011,7 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) static const struct file_operations fops_recv = { .read = read_file_recv, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1055,7 +1050,7 @@ static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, static const struct file_operations fops_regidx = { .read = read_file_regidx, .write = write_file_regidx, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1102,7 +1097,7 @@ static ssize_t write_file_regval(struct file *file, const char __user *user_buf, static const struct file_operations fops_regval = { .read = read_file_regval, .write = write_file_regval, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1191,7 +1186,7 @@ static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, static const struct file_operations fops_dump_nfcal = { .read = read_file_dump_nfcal, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1219,7 +1214,7 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_base_eeprom = { .read = read_file_base_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1247,7 +1242,7 @@ static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_modal_eeprom = { .read = read_file_modal_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.c b/drivers/net/wireless/ath/ath9k/dfs_debug.c index 106d031d834a..4364c103ed33 100644 --- a/drivers/net/wireless/ath/ath9k/dfs_debug.c +++ b/drivers/net/wireless/ath/ath9k/dfs_debug.c @@ -60,16 +60,9 @@ static ssize_t read_file_dfs(struct file *file, char __user *user_buf, return retval; } -static int ath9k_dfs_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations fops_dfs_stats = { .read = read_file_dfs, - .open = ath9k_dfs_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c index d3ff33c71aa5..3035deb7a0cd 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c @@ -16,12 +16,6 @@ #include "htc.h" -static int ath9k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -75,7 +69,7 @@ static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_int_stats = { .read = read_file_tgt_int_stats, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -145,7 +139,7 @@ static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_tx_stats = { .read = read_file_tgt_tx_stats, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -191,7 +185,7 @@ static ssize_t read_file_tgt_rx_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_rx_stats = { .read = read_file_tgt_rx_stats, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -243,7 +237,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf, static const struct file_operations fops_xmit = { .read = read_file_xmit, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -364,7 +358,7 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf, static const struct file_operations fops_recv = { .read = read_file_recv, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -399,7 +393,7 @@ static ssize_t read_file_slot(struct file *file, char __user *user_buf, static const struct file_operations fops_slot = { .read = read_file_slot, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -446,7 +440,7 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf, static const struct file_operations fops_queue = { .read = read_file_queue, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -487,7 +481,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf, static const struct file_operations fops_debug = { .read = read_file_debug, .write = write_file_debug, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -636,7 +630,7 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_base_eeprom = { .read = read_file_base_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -917,7 +911,7 @@ static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_modal_eeprom = { .read = read_file_modal_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 60159f4ee532..cb006458fc4b 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -680,7 +680,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->queues = 4; hw->max_rates = 4; hw->channel_change_time = 5000; - hw->max_listen_interval = 10; + hw->max_listen_interval = 1; hw->max_rate_tries = 10; hw->sta_data_size = sizeof(struct ath_node); hw->vif_data_size = sizeof(struct ath_vif); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 38794850f005..215eb2536b1e 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -640,7 +640,7 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta, an->sta = sta; an->vif = vif; - if (sta->ht_cap.ht_supported) { + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { ath_tx_node_init(sc, an); an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + sta->ht_cap.ampdu_factor); @@ -659,7 +659,7 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta) an->sta = NULL; #endif - if (sta->ht_cap.ht_supported) + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) ath_tx_node_cleanup(sc, an); } diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 4f848493fece..08bb45532701 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -1480,12 +1480,6 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, #ifdef CONFIG_ATH9K_DEBUGFS -static int ath9k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1553,7 +1547,7 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, static const struct file_operations fops_rcstat = { .read = read_file_rcstat, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE }; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index f4ae3ba994a8..1c4583c7ff7c 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -1913,13 +1913,13 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) if (sc->rx.frag) { int space = skb->len - skb_tailroom(hdr_skb); - sc->rx.frag = NULL; - if (pskb_expand_head(hdr_skb, 0, space, GFP_ATOMIC) < 0) { dev_kfree_skb(skb); goto requeue_drop_frag; } + sc->rx.frag = NULL; + skb_copy_from_linear_data(skb, skb_put(hdr_skb, skb->len), skb->len); dev_kfree_skb_any(skb); diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c index 3c164226687f..93fe6003a493 100644 --- a/drivers/net/wireless/ath/carl9170/debug.c +++ b/drivers/net/wireless/ath/carl9170/debug.c @@ -48,11 +48,6 @@ #define ADD(buf, off, max, fmt, args...) \ off += snprintf(&buf[off], max - off, fmt, ##args); -static int carl9170_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} struct carl9170_debugfs_fops { unsigned int read_bufsize; @@ -178,7 +173,7 @@ static const struct carl9170_debugfs_fops carl_debugfs_##name ##_ops = {\ .attr = _attr, \ .req_dev_state = _dstate, \ .fops = { \ - .open = carl9170_debugfs_open, \ + .open = simple_open, \ .read = carl9170_debugfs_read, \ .write = carl9170_debugfs_write, \ .owner = THIS_MODULE \ diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c index e751fdee89b2..e807bd930647 100644 --- a/drivers/net/wireless/b43/debugfs.c +++ b/drivers/net/wireless/b43/debugfs.c @@ -500,12 +500,6 @@ out: #undef fappend -static int b43_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t b43_debugfs_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -624,7 +618,7 @@ out_unlock: .read = _read, \ .write = _write, \ .fops = { \ - .open = b43_debugfs_open, \ + .open = simple_open, \ .read = b43_debugfs_read, \ .write = b43_debugfs_write, \ .llseek = generic_file_llseek, \ diff --git a/drivers/net/wireless/b43legacy/debugfs.c b/drivers/net/wireless/b43legacy/debugfs.c index 5e28ad0d6d17..1965edb765a2 100644 --- a/drivers/net/wireless/b43legacy/debugfs.c +++ b/drivers/net/wireless/b43legacy/debugfs.c @@ -197,12 +197,6 @@ static int restart_write_file(struct b43legacy_wldev *dev, const char *buf, size #undef fappend -static int b43legacy_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t b43legacy_debugfs_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -331,7 +325,7 @@ out_unlock: .read = _read, \ .write = _write, \ .fops = { \ - .open = b43legacy_debugfs_open, \ + .open = simple_open, \ .read = b43legacy_debugfs_read, \ .write = b43legacy_debugfs_write, \ .llseek = generic_file_llseek, \ diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index 4fcdac63a300..2b022571a859 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -11507,9 +11507,9 @@ static int ipw_wdev_init(struct net_device *dev) rc = -ENOMEM; goto out; } - /* translate geo->bg to a_band.channels */ + /* translate geo->a to a_band.channels */ for (i = 0; i < geo->a_channels; i++) { - a_band->channels[i].band = IEEE80211_BAND_2GHZ; + a_band->channels[i].band = IEEE80211_BAND_5GHZ; a_band->channels[i].center_freq = geo->a[i].freq; a_band->channels[i].hw_value = geo->a[i].channel; a_band->channels[i].max_power = geo->a[i].max_power; diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c index 0c1209390169..faec40467208 100644 --- a/drivers/net/wireless/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/iwlegacy/3945-mac.c @@ -2673,8 +2673,6 @@ il3945_bg_restart(struct work_struct *data) if (test_and_clear_bit(S_FW_ERROR, &il->status)) { mutex_lock(&il->mutex); - /* FIXME: vif can be dereferenced */ - il->vif = NULL; il->is_open = 0; mutex_unlock(&il->mutex); il3945_down(il); diff --git a/drivers/net/wireless/iwlegacy/3945-rs.c b/drivers/net/wireless/iwlegacy/3945-rs.c index 70bee1a4d876..4b10157d8686 100644 --- a/drivers/net/wireless/iwlegacy/3945-rs.c +++ b/drivers/net/wireless/iwlegacy/3945-rs.c @@ -821,12 +821,6 @@ out: } #ifdef CONFIG_MAC80211_DEBUGFS -static int -il3945_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static ssize_t il3945_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf, @@ -862,7 +856,7 @@ il3945_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf, static const struct file_operations rs_sta_dbgfs_stats_table_ops = { .read = il3945_sta_dbgfs_stats_table_read, - .open = il3945_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 17f1c6853182..c46275a92565 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -5652,8 +5652,6 @@ il4965_bg_restart(struct work_struct *data) if (test_and_clear_bit(S_FW_ERROR, &il->status)) { mutex_lock(&il->mutex); - /* FIXME: do we dereference vif without mutex locked ? */ - il->vif = NULL; il->is_open = 0; __il4965_down(il); diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c index d7e2856e41d3..11ab1247fae1 100644 --- a/drivers/net/wireless/iwlegacy/4965-rs.c +++ b/drivers/net/wireless/iwlegacy/4965-rs.c @@ -2518,12 +2518,6 @@ il4965_rs_free_sta(void *il_r, struct ieee80211_sta *sta, void *il_sta) } #ifdef CONFIG_MAC80211_DEBUGFS -static int -il4965_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static void il4965_rs_dbgfs_set_mcs(struct il_lq_sta *lq_sta, u32 * rate_n_flags, int idx) @@ -2695,7 +2689,7 @@ il4965_rs_sta_dbgfs_scale_table_read(struct file *file, char __user *user_buf, static const struct file_operations rs_sta_dbgfs_scale_table_ops = { .write = il4965_rs_sta_dbgfs_scale_table_write, .read = il4965_rs_sta_dbgfs_scale_table_read, - .open = il4965_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -2740,7 +2734,7 @@ il4965_rs_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf, static const struct file_operations rs_sta_dbgfs_stats_table_ops = { .read = il4965_rs_sta_dbgfs_stats_table_read, - .open = il4965_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -2768,7 +2762,7 @@ il4965_rs_sta_dbgfs_rate_scale_data_read(struct file *file, static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = { .read = il4965_rs_sta_dbgfs_rate_scale_data_read, - .open = il4965_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c index e5ac04739bcc..eaf249452e51 100644 --- a/drivers/net/wireless/iwlegacy/common.c +++ b/drivers/net/wireless/iwlegacy/common.c @@ -4508,6 +4508,7 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct il_priv *il = hw->priv; int err; + bool reset; mutex_lock(&il->mutex); D_MAC80211("enter: type %d, addr %pM\n", vif->type, vif->addr); @@ -4518,7 +4519,12 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) goto out; } - if (il->vif) { + /* + * We do not support multiple virtual interfaces, but on hardware reset + * we have to add the same interface again. + */ + reset = (il->vif == vif); + if (il->vif && !reset) { err = -EOPNOTSUPP; goto out; } @@ -4528,8 +4534,11 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) err = il_set_mode(il); if (err) { - il->vif = NULL; - il->iw_mode = NL80211_IFTYPE_STATION; + IL_WARN("Fail to set mode %d\n", vif->type); + if (!reset) { + il->vif = NULL; + il->iw_mode = NL80211_IFTYPE_STATION; + } } out: @@ -5279,9 +5288,9 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, D_MAC80211("BSSID %pM\n", bss_conf->bssid); /* - * If there is currently a HW scan going on in the - * background then we need to cancel it else the RXON - * below/in post_associate will fail. + * If there is currently a HW scan going on in the background, + * then we need to cancel it, otherwise sometimes we are not + * able to authenticate (FIXME: why ?) */ if (il_scan_cancel_timeout(il, 100)) { D_MAC80211("leave - scan abort failed\n"); @@ -5290,14 +5299,10 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, } /* mac80211 only sets assoc when in STATION mode */ - if (vif->type == NL80211_IFTYPE_ADHOC || bss_conf->assoc) { - memcpy(il->staging.bssid_addr, bss_conf->bssid, - ETH_ALEN); + memcpy(il->staging.bssid_addr, bss_conf->bssid, ETH_ALEN); - /* currently needed in a few places */ - memcpy(il->bssid, bss_conf->bssid, ETH_ALEN); - } else - il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; + /* FIXME: currently needed in a few places */ + memcpy(il->bssid, bss_conf->bssid, ETH_ALEN); } /* diff --git a/drivers/net/wireless/iwlegacy/debug.c b/drivers/net/wireless/iwlegacy/debug.c index 229849150aac..eff26501d60a 100644 --- a/drivers/net/wireless/iwlegacy/debug.c +++ b/drivers/net/wireless/iwlegacy/debug.c @@ -160,18 +160,12 @@ static ssize_t il_dbgfs_##name##_write(struct file *file, \ const char __user *user_buf, \ size_t count, loff_t *ppos); -static int -il_dbgfs_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} #define DEBUGFS_READ_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ static const struct file_operations il_dbgfs_##name##_ops = { \ .read = il_dbgfs_##name##_read, \ - .open = il_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -179,7 +173,7 @@ static const struct file_operations il_dbgfs_##name##_ops = { \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations il_dbgfs_##name##_ops = { \ .write = il_dbgfs_##name##_write, \ - .open = il_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -189,7 +183,7 @@ static const struct file_operations il_dbgfs_##name##_ops = { \ static const struct file_operations il_dbgfs_##name##_ops = { \ .write = il_dbgfs_##name##_write, \ .read = il_dbgfs_##name##_read, \ - .open = il_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 53f8c51cfcdb..7e590b349dd7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -3083,11 +3083,6 @@ static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta, } #ifdef CONFIG_MAC80211_DEBUGFS -static int open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, u32 *rate_n_flags, int index) { @@ -3226,7 +3221,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, static const struct file_operations rs_sta_dbgfs_scale_table_ops = { .write = rs_sta_dbgfs_scale_table_write, .read = rs_sta_dbgfs_scale_table_read, - .open = open_file_generic, + .open = simple_open, .llseek = default_llseek, }; static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file, @@ -3269,7 +3264,7 @@ static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file, static const struct file_operations rs_sta_dbgfs_stats_table_ops = { .read = rs_sta_dbgfs_stats_table_read, - .open = open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -3295,7 +3290,7 @@ static ssize_t rs_sta_dbgfs_rate_scale_data_read(struct file *file, static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = { .read = rs_sta_dbgfs_rate_scale_data_read, - .open = open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index b7b1c04f2fba..2bbaebd99ad4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -84,17 +84,11 @@ static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ size_t count, loff_t *ppos); -static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_READ_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -102,7 +96,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -113,7 +107,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index b4f796c82e1e..4d7b30d3e648 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -1898,17 +1898,11 @@ static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ size_t count, loff_t *ppos); -static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_READ_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -1916,7 +1910,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -1926,7 +1920,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c index 87eef5773a02..b6199d124bb9 100644 --- a/drivers/net/wireless/iwmc3200wifi/debugfs.c +++ b/drivers/net/wireless/iwmc3200wifi/debugfs.c @@ -99,12 +99,6 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules, iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write, "%llu\n"); -static int iwm_generic_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer, size_t count, loff_t *ppos) @@ -401,28 +395,28 @@ out: static const struct file_operations iwm_debugfs_txq_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_txq_read, .llseek = default_llseek, }; static const struct file_operations iwm_debugfs_tx_credit_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_tx_credit_read, .llseek = default_llseek, }; static const struct file_operations iwm_debugfs_rx_ticket_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_rx_ticket_read, .llseek = default_llseek, }; static const struct file_operations iwm_debugfs_fw_err_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_fw_err_read, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwmc3200wifi/sdio.c b/drivers/net/wireless/iwmc3200wifi/sdio.c index 764b40dd24ad..0042f204b07f 100644 --- a/drivers/net/wireless/iwmc3200wifi/sdio.c +++ b/drivers/net/wireless/iwmc3200wifi/sdio.c @@ -264,13 +264,6 @@ static int if_sdio_send_chunk(struct iwm_priv *iwm, u8 *buf, int count) return ret; } -/* debugfs hooks */ -static int iwm_debugfs_sdio_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t iwm_debugfs_sdio_read(struct file *filp, char __user *buffer, size_t count, loff_t *ppos) { @@ -363,7 +356,7 @@ err: static const struct file_operations iwm_debugfs_sdio_fops = { .owner = THIS_MODULE, - .open = iwm_debugfs_sdio_open, + .open = simple_open, .read = iwm_debugfs_sdio_read, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index c192671610fc..a06cc283e23d 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -21,12 +21,6 @@ static char *szStates[] = { static void lbs_debug_init(struct lbs_private *priv); #endif -static int open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t write_file_dummy(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -696,7 +690,7 @@ out_unlock: #define FOPS(fread, fwrite) { \ .owner = THIS_MODULE, \ - .open = open_file_generic, \ + .open = simple_open, \ .read = (fread), \ .write = (fwrite), \ .llseek = generic_file_llseek, \ @@ -962,7 +956,7 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf, static const struct file_operations lbs_debug_fops = { .owner = THIS_MODULE, - .open = open_file_generic, + .open = simple_open, .write = lbs_debugfs_write, .read = lbs_debugfs_read, .llseek = default_llseek, diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c index d26a78b6b3c4..1a845074c52a 100644 --- a/drivers/net/wireless/mwifiex/debugfs.c +++ b/drivers/net/wireless/mwifiex/debugfs.c @@ -140,18 +140,6 @@ static struct mwifiex_debug_data items[] = { static int num_of_items = ARRAY_SIZE(items); /* - * Generic proc file open handler. - * - * This function is called every time a file is accessed for read or write. - */ -static int -mwifiex_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -/* * Proc info file read handler. * * This function is called when the 'info' file is opened for reading. @@ -676,19 +664,19 @@ done: static const struct file_operations mwifiex_dfs_##name##_fops = { \ .read = mwifiex_##name##_read, \ .write = mwifiex_##name##_write, \ - .open = mwifiex_open_generic, \ + .open = simple_open, \ }; #define MWIFIEX_DFS_FILE_READ_OPS(name) \ static const struct file_operations mwifiex_dfs_##name##_fops = { \ .read = mwifiex_##name##_read, \ - .open = mwifiex_open_generic, \ + .open = simple_open, \ }; #define MWIFIEX_DFS_FILE_WRITE_OPS(name) \ static const struct file_operations mwifiex_dfs_##name##_fops = { \ .write = mwifiex_##name##_write, \ - .open = mwifiex_open_generic, \ + .open = simple_open, \ }; diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c index dd6c64ac406e..88e3ad2d1db8 100644 --- a/drivers/net/wireless/orinoco/main.c +++ b/drivers/net/wireless/orinoco/main.c @@ -1336,6 +1336,10 @@ static void qbuf_scan(struct orinoco_private *priv, void *buf, unsigned long flags; sd = kmalloc(sizeof(*sd), GFP_ATOMIC); + if (!sd) { + printk(KERN_ERR "%s: failed to alloc memory\n", __func__); + return; + } sd->buf = buf; sd->len = len; sd->type = type; @@ -1353,6 +1357,10 @@ static void qabort_scan(struct orinoco_private *priv) unsigned long flags; sd = kmalloc(sizeof(*sd), GFP_ATOMIC); + if (!sd) { + printk(KERN_ERR "%s: failed to alloc memory\n", __func__); + return; + } sd->len = -1; /* Abort */ spin_lock_irqsave(&priv->scan_lock, flags); diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index cd490abced91..001735f7a661 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -163,7 +163,13 @@ static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev, /* Reschedule urb to read TX status again instantly */ return true; - } else if (rt2800usb_txstatus_pending(rt2x00dev)) { + } + + /* Check if there is any entry that timedout waiting on TX status */ + if (rt2800usb_txstatus_timeout(rt2x00dev)) + queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work); + + if (rt2800usb_txstatus_pending(rt2x00dev)) { /* Read register after 250 us */ hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 250000), HRTIMER_MODE_REL); @@ -178,7 +184,7 @@ stop_reading: * here again if status reading is needed. */ if (rt2800usb_txstatus_pending(rt2x00dev) && - test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags)) + !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags)) return true; else return false; diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c index 1eec3a06d1f3..4c016241f340 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c @@ -1893,7 +1893,7 @@ void rtl92c_phy_set_io(struct ieee80211_hw *hw) break; case IO_CMD_PAUSE_DM_BY_SCAN: rtlphy->initgain_backup.xaagccore1 = dm_digtable.cur_igvalue; - dm_digtable.cur_igvalue = 0x17; + dm_digtable.cur_igvalue = 0x37; rtl92c_dm_write_dig(hw); break; default: diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c index 34591eeb8376..28fc5fb8057b 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c @@ -3077,7 +3077,7 @@ static void rtl92d_phy_set_io(struct ieee80211_hw *hw) break; case IO_CMD_PAUSE_DM_BY_SCAN: rtlphy->initgain_backup.xaagccore1 = de_digtable.cur_igvalue; - de_digtable.cur_igvalue = 0x17; + de_digtable.cur_igvalue = 0x37; rtl92d_dm_write_dig(hw); break; default: diff --git a/drivers/net/wireless/wl1251/debugfs.c b/drivers/net/wireless/wl1251/debugfs.c index 6c274007d200..448da1f8c22f 100644 --- a/drivers/net/wireless/wl1251/debugfs.c +++ b/drivers/net/wireless/wl1251/debugfs.c @@ -47,7 +47,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = wl1251_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -84,7 +84,7 @@ static ssize_t sub## _ ##name## _read(struct file *file, \ \ static const struct file_operations sub## _ ##name## _ops = { \ .read = sub## _ ##name## _read, \ - .open = wl1251_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -117,12 +117,6 @@ out: mutex_unlock(&wl->mutex); } -static int wl1251_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u"); DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u"); @@ -235,7 +229,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, static const struct file_operations tx_queue_len_ops = { .read = tx_queue_len_read, - .open = wl1251_open_file_generic, + .open = simple_open, .llseek = generic_file_llseek, }; @@ -257,7 +251,7 @@ static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf, static const struct file_operations tx_queue_status_ops = { .read = tx_queue_status_read, - .open = wl1251_open_file_generic, + .open = simple_open, .llseek = generic_file_llseek, }; diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index e1cf72765965..564d49575c94 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -63,7 +63,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = wl1271_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -96,7 +96,7 @@ static ssize_t sub## _ ##name## _read(struct file *file, \ \ static const struct file_operations sub## _ ##name## _ops = { \ .read = sub## _ ##name## _read, \ - .open = wl1271_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -126,12 +126,6 @@ out: mutex_unlock(&wl->mutex); } -static int wl1271_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u"); DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u"); @@ -243,7 +237,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, static const struct file_operations tx_queue_len_ops = { .read = tx_queue_len_read, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -289,7 +283,7 @@ static ssize_t gpio_power_write(struct file *file, static const struct file_operations gpio_power_ops = { .read = gpio_power_read, .write = gpio_power_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -308,7 +302,7 @@ static ssize_t start_recovery_write(struct file *file, static const struct file_operations start_recovery_ops = { .write = start_recovery_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -372,7 +366,7 @@ out: static const struct file_operations dynamic_ps_timeout_ops = { .read = dynamic_ps_timeout_read, .write = dynamic_ps_timeout_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -441,7 +435,7 @@ out: static const struct file_operations forced_ps_ops = { .read = forced_ps_read, .write = forced_ps_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -483,7 +477,7 @@ static ssize_t split_scan_timeout_write(struct file *file, static const struct file_operations split_scan_timeout_ops = { .read = split_scan_timeout_read, .write = split_scan_timeout_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -566,7 +560,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, static const struct file_operations driver_state_ops = { .read = driver_state_read, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -675,7 +669,7 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, static const struct file_operations vifs_state_ops = { .read = vifs_state_read, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -733,7 +727,7 @@ static ssize_t dtim_interval_write(struct file *file, static const struct file_operations dtim_interval_ops = { .read = dtim_interval_read, .write = dtim_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -791,7 +785,7 @@ static ssize_t suspend_dtim_interval_write(struct file *file, static const struct file_operations suspend_dtim_interval_ops = { .read = suspend_dtim_interval_read, .write = suspend_dtim_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -849,7 +843,7 @@ static ssize_t beacon_interval_write(struct file *file, static const struct file_operations beacon_interval_ops = { .read = beacon_interval_read, .write = beacon_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -904,7 +898,7 @@ static ssize_t rx_streaming_interval_read(struct file *file, static const struct file_operations rx_streaming_interval_ops = { .read = rx_streaming_interval_read, .write = rx_streaming_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -959,7 +953,7 @@ static ssize_t rx_streaming_always_read(struct file *file, static const struct file_operations rx_streaming_always_ops = { .read = rx_streaming_always_read, .write = rx_streaming_always_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -1003,7 +997,7 @@ out: static const struct file_operations beacon_filtering_ops = { .write = beacon_filtering_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 663b32c2e931..0ebbb1906c30 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1965,7 +1965,7 @@ static int __init netif_init(void) if (xen_initial_domain()) return 0; - if (!xen_platform_pci_unplug) + if (xen_hvm_domain() && !xen_platform_pci_unplug) return -ENODEV; printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n"); diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index ee8fd037bb53..849357c1045c 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -117,25 +117,17 @@ static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_ } -static int default_open(struct inode *inode, struct file *filp) -{ - if (inode->i_private) - filp->private_data = inode->i_private; - return 0; -} - - static const struct file_operations ulong_fops = { .read = ulong_read_file, .write = ulong_write_file, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; static const struct file_operations ulong_ro_fops = { .read = ulong_read_file, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; @@ -187,7 +179,7 @@ static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t coun static const struct file_operations atomic_ro_fops = { .read = atomic_read_file, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index fd00ff02ab4d..d6cc62cb4cf7 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -290,6 +290,7 @@ static int pci_frontend_enable_msix(struct pci_dev *dev, } else { printk(KERN_DEBUG "enable msix get value %x\n", op.value); + err = op.value; } } else { dev_err(&dev->dev, "enable msix get err %x\n", err); diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 17499a55113d..53969af17558 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -138,9 +138,10 @@ static int __devinit anatop_regulator_probe(struct platform_device *pdev) rdesc->type = REGULATOR_VOLTAGE; rdesc->owner = THIS_MODULE; sreg->mfd = anatopmfd; - ret = of_property_read_u32(np, "reg", &sreg->control_reg); + ret = of_property_read_u32(np, "anatop-reg-offset", + &sreg->control_reg); if (ret) { - dev_err(dev, "no reg property set\n"); + dev_err(dev, "no anatop-reg-offset property set\n"); goto anatop_probe_end; } ret = of_property_read_u32(np, "anatop-vol-bit-width", diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 8b9f8602d47b..4bb1f8456123 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2992,14 +2992,14 @@ void regulator_unregister(struct regulator_dev *rdev) if (rdev == NULL) return; + if (rdev->supply) + regulator_put(rdev->supply); mutex_lock(®ulator_list_mutex); debugfs_remove_recursive(rdev->debugfs); flush_work_sync(&rdev->disable_work.work); WARN_ON(rdev->open_count); unset_regulator_supplies(rdev); list_del(&rdev->list); - if (rdev->supply) - regulator_put(rdev->supply); kfree(rdev->constraints); device_unregister(&rdev->dev); mutex_unlock(®ulator_list_mutex); diff --git a/drivers/regulator/fixed-helper.c b/drivers/regulator/fixed-helper.c index 30d0a15b8949..cacd33c9d042 100644 --- a/drivers/regulator/fixed-helper.c +++ b/drivers/regulator/fixed-helper.c @@ -18,7 +18,6 @@ static void regulator_fixed_release(struct device *dev) /** * regulator_register_fixed - register a no-op fixed regulator - * @name: supply name * @id: platform device id * @supplies: consumers for this regulator * @num_supplies: number of consumers @@ -32,7 +31,7 @@ struct platform_device *regulator_register_fixed(int id, if (!data) return NULL; - data->cfg.supply_name = "dummy"; + data->cfg.supply_name = "fixed-dummy"; data->cfg.microvolts = 0; data->cfg.gpio = -EINVAL; data->cfg.enabled_at_boot = 1; diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c index 6622228a0d86..970a233dbe46 100644 --- a/drivers/regulator/mc13892-regulator.c +++ b/drivers/regulator/mc13892-regulator.c @@ -544,7 +544,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev) mc13xxx_lock(mc13892); ret = mc13xxx_reg_read(mc13892, MC13892_REVISION, &val); if (ret) - goto err_free; + goto err_unlock; /* enable switch auto mode */ if ((val & 0x0000FFFF) == 0x45d0) { @@ -554,7 +554,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev) MC13892_SWITCHERS4_SW1MODE_AUTO | MC13892_SWITCHERS4_SW2MODE_AUTO); if (ret) - goto err_free; + goto err_unlock; ret = mc13xxx_reg_rmw(mc13892, MC13892_SWITCHERS5, MC13892_SWITCHERS5_SW3MODE_M | @@ -562,7 +562,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev) MC13892_SWITCHERS5_SW3MODE_AUTO | MC13892_SWITCHERS5_SW4MODE_AUTO); if (ret) - goto err_free; + goto err_unlock; } mc13xxx_unlock(mc13892); @@ -607,10 +607,10 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev) err: while (--i >= 0) regulator_unregister(priv->regulators[i]); + return ret; -err_free: +err_unlock: mc13xxx_unlock(mc13892); - return ret; } diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 10c38f9ae787..c4a584c268ce 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -361,8 +361,7 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev, struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); const struct s5m_voltage_desc *desc; int reg_id = rdev_get_id(rdev); - int reg, mask, ret; - int i; + int sel, reg, mask, ret; u8 val; switch (reg_id) { @@ -383,19 +382,20 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev, desc = reg_voltage_map[reg_id]; - i = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV); - if (i < 0) - return i; + sel = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV); + if (sel < 0) + return sel; ret = s5m8767_get_voltage_register(rdev, ®); if (ret) return ret; s5m_reg_read(s5m8767->iodev, reg, &val); - val = val & mask; + val &= ~mask; + val |= sel; ret = s5m_reg_write(s5m8767->iodev, reg, val); - *selector = i; + *selector = sel; return ret; } diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index deb855c41e16..9a4029a446d3 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -78,6 +78,11 @@ static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev) static int tps6586x_list_voltage(struct regulator_dev *rdev, unsigned selector) { struct tps6586x_regulator *info = rdev_get_drvdata(rdev); + int rid = rdev_get_id(rdev); + + /* LDO0 has minimal voltage 1.2V rather than 1.25V */ + if ((rid == TPS6586X_ID_LDO_0) && (selector == 0)) + return (info->voltages[0] - 50) * 1000; return info->voltages[selector] * 1000; } diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index c754eae18c4a..f0da23c5826f 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -380,13 +380,15 @@ static int wm831x_buckv_set_current_limit(struct regulator_dev *rdev, int i; for (i = 0; i < ARRAY_SIZE(wm831x_dcdc_ilim); i++) { - if (max_uA <= wm831x_dcdc_ilim[i]) + if ((min_uA <= wm831x_dcdc_ilim[i]) && + (wm831x_dcdc_ilim[i] <= max_uA)) break; } if (i == ARRAY_SIZE(wm831x_dcdc_ilim)) return -EINVAL; - return wm831x_set_bits(wm831x, reg, WM831X_DC1_HC_THR_MASK, i); + return wm831x_set_bits(wm831x, reg, WM831X_DC1_HC_THR_MASK, + i << WM831X_DC1_HC_THR_SHIFT); } static int wm831x_buckv_get_current_limit(struct regulator_dev *rdev) @@ -400,7 +402,8 @@ static int wm831x_buckv_get_current_limit(struct regulator_dev *rdev) if (val < 0) return val; - return wm831x_dcdc_ilim[val & WM831X_DC1_HC_THR_MASK]; + val = (val & WM831X_DC1_HC_THR_MASK) >> WM831X_DC1_HC_THR_SHIFT; + return wm831x_dcdc_ilim[val]; } static struct regulator_ops wm831x_buckv_ops = { diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c index 046fabf648d2..b50ab778b098 100644 --- a/drivers/regulator/wm831x-isink.c +++ b/drivers/regulator/wm831x-isink.c @@ -101,7 +101,7 @@ static int wm831x_isink_set_current(struct regulator_dev *rdev, for (i = 0; i < ARRAY_SIZE(wm831x_isinkv_values); i++) { int val = wm831x_isinkv_values[i]; - if (min_uA >= val && val <= max_uA) { + if (min_uA <= val && val <= max_uA) { ret = wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_ISEL_MASK, i); return ret; diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index eb6a3061884c..5f01040e1574 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -510,22 +510,19 @@ static int wm831x_aldo_set_mode(struct regulator_dev *rdev, { struct wm831x_ldo *ldo = rdev_get_drvdata(rdev); struct wm831x *wm831x = ldo->wm831x; - int ctrl_reg = ldo->base + WM831X_LDO_CONTROL; int on_reg = ldo->base + WM831X_LDO_ON_CONTROL; int ret; switch (mode) { case REGULATOR_MODE_NORMAL: - ret = wm831x_set_bits(wm831x, on_reg, - WM831X_LDO7_ON_MODE, 0); + ret = wm831x_set_bits(wm831x, on_reg, WM831X_LDO7_ON_MODE, 0); if (ret < 0) return ret; break; case REGULATOR_MODE_IDLE: - ret = wm831x_set_bits(wm831x, ctrl_reg, - WM831X_LDO7_ON_MODE, + ret = wm831x_set_bits(wm831x, on_reg, WM831X_LDO7_ON_MODE, WM831X_LDO7_ON_MODE); if (ret < 0) return ret; diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 4dcbab1314a5..94e550dc70b6 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -99,7 +99,7 @@ static int get_isink_val(int min_uA, int max_uA, u16 *setting) { int i; - for (i = ARRAY_SIZE(isink_cur) - 1; i >= 0; i--) { + for (i = 0; i < ARRAY_SIZE(isink_cur); i++) { if (min_uA <= isink_cur[i] && max_uA >= isink_cur[i]) { *setting = i; return 0; @@ -186,7 +186,7 @@ static int wm8350_isink_get_current(struct regulator_dev *rdev) return 0; } - return DIV_ROUND_CLOSEST(isink_cur[val], 100); + return isink_cur[val]; } /* turn on ISINK followed by DCDC */ @@ -495,25 +495,25 @@ static int wm8350_dcdc_set_suspend_enable(struct regulator_dev *rdev) val = wm8350_reg_read(wm8350, WM8350_DCDC1_LOW_POWER) & ~WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC1_LOW_POWER, - wm8350->pmic.dcdc1_hib_mode); + val | wm8350->pmic.dcdc1_hib_mode); break; case WM8350_DCDC_3: val = wm8350_reg_read(wm8350, WM8350_DCDC3_LOW_POWER) & ~WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC3_LOW_POWER, - wm8350->pmic.dcdc3_hib_mode); + val | wm8350->pmic.dcdc3_hib_mode); break; case WM8350_DCDC_4: val = wm8350_reg_read(wm8350, WM8350_DCDC4_LOW_POWER) & ~WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC4_LOW_POWER, - wm8350->pmic.dcdc4_hib_mode); + val | wm8350->pmic.dcdc4_hib_mode); break; case WM8350_DCDC_6: val = wm8350_reg_read(wm8350, WM8350_DCDC6_LOW_POWER) & ~WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC6_LOW_POWER, - wm8350->pmic.dcdc6_hib_mode); + val | wm8350->pmic.dcdc6_hib_mode); break; case WM8350_DCDC_2: case WM8350_DCDC_5: @@ -535,25 +535,25 @@ static int wm8350_dcdc_set_suspend_disable(struct regulator_dev *rdev) val = wm8350_reg_read(wm8350, WM8350_DCDC1_LOW_POWER); wm8350->pmic.dcdc1_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC1_LOW_POWER, - WM8350_DCDC_HIB_MODE_DIS); + val | WM8350_DCDC_HIB_MODE_DIS); break; case WM8350_DCDC_3: val = wm8350_reg_read(wm8350, WM8350_DCDC3_LOW_POWER); wm8350->pmic.dcdc3_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC3_LOW_POWER, - WM8350_DCDC_HIB_MODE_DIS); + val | WM8350_DCDC_HIB_MODE_DIS); break; case WM8350_DCDC_4: val = wm8350_reg_read(wm8350, WM8350_DCDC4_LOW_POWER); wm8350->pmic.dcdc4_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC4_LOW_POWER, - WM8350_DCDC_HIB_MODE_DIS); + val | WM8350_DCDC_HIB_MODE_DIS); break; case WM8350_DCDC_6: val = wm8350_reg_read(wm8350, WM8350_DCDC6_LOW_POWER); wm8350->pmic.dcdc6_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC6_LOW_POWER, - WM8350_DCDC_HIB_MODE_DIS); + val | WM8350_DCDC_HIB_MODE_DIS); break; case WM8350_DCDC_2: case WM8350_DCDC_5: @@ -575,13 +575,13 @@ static int wm8350_dcdc25_set_suspend_enable(struct regulator_dev *rdev) val = wm8350_reg_read(wm8350, WM8350_DCDC2_CONTROL) & ~WM8350_DC2_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC2_CONTROL, val | - WM8350_DC2_HIB_MODE_ACTIVE); + (WM8350_DC2_HIB_MODE_ACTIVE << WM8350_DC2_HIB_MODE_SHIFT)); break; case WM8350_DCDC_5: val = wm8350_reg_read(wm8350, WM8350_DCDC5_CONTROL) - & ~WM8350_DC2_HIB_MODE_MASK; + & ~WM8350_DC5_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC5_CONTROL, val | - WM8350_DC5_HIB_MODE_ACTIVE); + (WM8350_DC5_HIB_MODE_ACTIVE << WM8350_DC5_HIB_MODE_SHIFT)); break; default: return -EINVAL; @@ -600,13 +600,13 @@ static int wm8350_dcdc25_set_suspend_disable(struct regulator_dev *rdev) val = wm8350_reg_read(wm8350, WM8350_DCDC2_CONTROL) & ~WM8350_DC2_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC2_CONTROL, val | - WM8350_DC2_HIB_MODE_DISABLE); + (WM8350_DC2_HIB_MODE_DISABLE << WM8350_DC2_HIB_MODE_SHIFT)); break; case WM8350_DCDC_5: val = wm8350_reg_read(wm8350, WM8350_DCDC5_CONTROL) - & ~WM8350_DC2_HIB_MODE_MASK; + & ~WM8350_DC5_HIB_MODE_MASK; wm8350_reg_write(wm8350, WM8350_DCDC5_CONTROL, val | - WM8350_DC2_HIB_MODE_DISABLE); + (WM8350_DC5_HIB_MODE_DISABLE << WM8350_DC5_HIB_MODE_SHIFT)); break; default: return -EINVAL; @@ -749,7 +749,7 @@ static int wm8350_ldo_set_suspend_disable(struct regulator_dev *rdev) /* all LDOs have same mV bits */ val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_LDO1_HIB_MODE_MASK; - wm8350_reg_write(wm8350, volt_reg, WM8350_LDO1_HIB_MODE_DIS); + wm8350_reg_write(wm8350, volt_reg, val | WM8350_LDO1_HIB_MODE_DIS); return 0; } diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index 70277a530133..85d31a69e117 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -50,16 +50,9 @@ static ssize_t rproc_trace_read(struct file *filp, char __user *userbuf, return simple_read_from_buffer(userbuf, count, ppos, trace->va, len); } -static int rproc_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations trace_rproc_ops = { .read = rproc_trace_read, - .open = rproc_open_generic, + .open = simple_open, .llseek = generic_file_llseek, }; @@ -94,7 +87,7 @@ static ssize_t rproc_state_read(struct file *filp, char __user *userbuf, static const struct file_operations rproc_state_ops = { .read = rproc_state_read, - .open = rproc_open_generic, + .open = simple_open, .llseek = generic_file_llseek, }; @@ -114,7 +107,7 @@ static ssize_t rproc_name_read(struct file *filp, char __user *userbuf, static const struct file_operations rproc_name_ops = { .read = rproc_name_read, - .open = rproc_open_generic, + .open = simple_open, .llseek = generic_file_llseek, }; diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c index afee0e8ae714..feddefc42109 100644 --- a/drivers/rtc/rtc-88pm860x.c +++ b/drivers/rtc/rtc-88pm860x.c @@ -72,9 +72,9 @@ static int pm860x_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) struct pm860x_rtc_info *info = dev_get_drvdata(dev); if (enabled) - pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM, ALARM); + pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM_EN, ALARM_EN); else - pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM, 0); + pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM_EN, 0); return 0; } diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 5bdf2eecb178..af04b0d6688d 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -997,13 +997,6 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, return nbytes; } -static int -lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) @@ -3541,7 +3534,7 @@ static const struct file_operations lpfc_debugfs_op_dumpDif = { #undef lpfc_debugfs_op_dif_err static const struct file_operations lpfc_debugfs_op_dif_err = { .owner = THIS_MODULE, - .open = lpfc_debugfs_dif_err_open, + .open = simple_open, .llseek = lpfc_debugfs_lseek, .read = lpfc_debugfs_dif_err_read, .write = lpfc_debugfs_dif_err_write, diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 082458d73ce9..d1a495f64e2d 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -63,12 +63,6 @@ struct chip_data { }; #ifdef CONFIG_DEBUG_FS -static int spi_show_regs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define SPI_REGS_BUFSIZE 1024 static ssize_t spi_show_regs(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -128,7 +122,7 @@ static ssize_t spi_show_regs(struct file *file, char __user *user_buf, static const struct file_operations mrst_spi_regs_ops = { .owner = THIS_MODULE, - .open = spi_show_regs_open, + .open = simple_open, .read = spi_show_regs, .llseek = default_llseek, }; diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h index 830657908db8..c5eb3c33c3db 100644 --- a/drivers/target/tcm_fc/tcm_fc.h +++ b/drivers/target/tcm_fc/tcm_fc.h @@ -122,6 +122,7 @@ struct ft_cmd { /* Local sense buffer */ unsigned char ft_sense_buffer[TRANSPORT_SENSE_BUFFER]; u32 was_ddp_setup:1; /* Set only if ddp is setup */ + u32 aborted:1; /* Set if aborted by reset or timeout */ struct scatterlist *sg; /* Set only if DDP is setup */ u32 sg_cnt; /* No. of item in scatterlist */ }; diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index 62dec9715ce5..a375f257aabc 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -121,6 +121,8 @@ int ft_queue_status(struct se_cmd *se_cmd) struct fc_exch *ep; size_t len; + if (cmd->aborted) + return 0; ft_dump_cmd(cmd, __func__); ep = fc_seq_exch(cmd->seq); lport = ep->lp; @@ -187,6 +189,8 @@ int ft_write_pending(struct se_cmd *se_cmd) ft_dump_cmd(cmd, __func__); + if (cmd->aborted) + return 0; ep = fc_seq_exch(cmd->seq); lport = ep->lp; fp = fc_frame_alloc(lport, sizeof(*txrdy)); @@ -252,10 +256,10 @@ static void ft_recv_seq(struct fc_seq *sp, struct fc_frame *fp, void *arg) struct ft_cmd *cmd = arg; struct fc_frame_header *fh; - if (IS_ERR(fp)) { + if (unlikely(IS_ERR(fp))) { /* XXX need to find cmd if queued */ cmd->seq = NULL; - transport_generic_free_cmd(&cmd->se_cmd, 0); + cmd->aborted = true; return; } @@ -399,6 +403,8 @@ int ft_queue_tm_resp(struct se_cmd *se_cmd) struct se_tmr_req *tmr = se_cmd->se_tmr_req; enum fcp_resp_rsp_codes code; + if (cmd->aborted) + return 0; switch (tmr->response) { case TMR_FUNCTION_COMPLETE: code = FCP_TMF_CMPL; diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c index f357039349ba..2948dc944619 100644 --- a/drivers/target/tcm_fc/tfc_conf.c +++ b/drivers/target/tcm_fc/tfc_conf.c @@ -300,6 +300,7 @@ static struct se_portal_group *ft_add_tpg( { struct ft_lport_acl *lacl; struct ft_tpg *tpg; + struct workqueue_struct *wq; unsigned long index; int ret; @@ -321,18 +322,20 @@ static struct se_portal_group *ft_add_tpg( tpg->lport_acl = lacl; INIT_LIST_HEAD(&tpg->lun_list); - ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg, - tpg, TRANSPORT_TPG_TYPE_NORMAL); - if (ret < 0) { + wq = alloc_workqueue("tcm_fc", 0, 1); + if (!wq) { kfree(tpg); return NULL; } - tpg->workqueue = alloc_workqueue("tcm_fc", 0, 1); - if (!tpg->workqueue) { + ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg, + tpg, TRANSPORT_TPG_TYPE_NORMAL); + if (ret < 0) { + destroy_workqueue(wq); kfree(tpg); return NULL; } + tpg->workqueue = wq; mutex_lock(&ft_lport_lock); list_add_tail(&tpg->list, &lacl->tpg_list); diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c index 2b693eefac55..dc7c0db26e20 100644 --- a/drivers/target/tcm_fc/tfc_io.c +++ b/drivers/target/tcm_fc/tfc_io.c @@ -81,6 +81,8 @@ int ft_queue_data_in(struct se_cmd *se_cmd) void *from; void *to = NULL; + if (cmd->aborted) + return 0; ep = fc_seq_exch(cmd->seq); lport = ep->lp; cmd->seq = lport->tt.seq_start_next(cmd->seq); diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c index a9234ba8f8d5..c4b50af46c44 100644 --- a/drivers/tty/serial/mfd.c +++ b/drivers/tty/serial/mfd.c @@ -127,11 +127,6 @@ static inline void serial_out(struct uart_hsu_port *up, int offset, int value) #define HSU_REGS_BUFSIZE 1024 -static int hsu_show_regs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static ssize_t port_show_regs(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -231,14 +226,14 @@ static ssize_t dma_show_regs(struct file *file, char __user *user_buf, static const struct file_operations port_regs_ops = { .owner = THIS_MODULE, - .open = hsu_show_regs_open, + .open = simple_open, .read = port_show_regs, .llseek = default_llseek, }; static const struct file_operations dma_regs_ops = { .owner = THIS_MODULE, - .open = hsu_show_regs_open, + .open = simple_open, .read = dma_show_regs, .llseek = default_llseek, }; diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index e825460478be..08b9962b8fda 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -304,11 +304,7 @@ static const int trigger_level_1[4] = { 1, 1, 1, 1 }; #ifdef CONFIG_DEBUG_FS #define PCH_REGS_BUFSIZE 1024 -static int pch_show_regs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} + static ssize_t port_show_regs(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -362,7 +358,7 @@ static ssize_t port_show_regs(struct file *file, char __user *user_buf, static const struct file_operations port_regs_ops = { .owner = THIS_MODULE, - .open = pch_show_regs_open, + .open = simple_open, .read = port_show_regs, .llseek = default_llseek, }; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index bf461cf99616..3158e17b665c 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -355,9 +355,6 @@ static void sci_serial_out(struct uart_port *p, int offset, int value) WARN(1, "Invalid register access\n"); } -#define sci_in(up, offset) (up->serial_in(up, offset)) -#define sci_out(up, offset, value) (up->serial_out(up, offset, value)) - static int sci_probe_regmap(struct plat_sci_port *cfg) { switch (cfg->type) { @@ -422,9 +419,9 @@ static int sci_poll_get_char(struct uart_port *port) int c; do { - status = sci_in(port, SCxSR); + status = serial_port_in(port, SCxSR); if (status & SCxSR_ERRORS(port)) { - sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); + serial_port_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); continue; } break; @@ -433,11 +430,11 @@ static int sci_poll_get_char(struct uart_port *port) if (!(status & SCxSR_RDxF(port))) return NO_POLL_CHAR; - c = sci_in(port, SCxRDR); + c = serial_port_in(port, SCxRDR); /* Dummy read */ - sci_in(port, SCxSR); - sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); + serial_port_in(port, SCxSR); + serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); return c; } @@ -448,11 +445,11 @@ static void sci_poll_put_char(struct uart_port *port, unsigned char c) unsigned short status; do { - status = sci_in(port, SCxSR); + status = serial_port_in(port, SCxSR); } while (!(status & SCxSR_TDxE(port))); - sci_out(port, SCxTDR, c); - sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port)); + serial_port_out(port, SCxTDR, c); + serial_port_out(port, SCxSR, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port)); } #endif /* CONFIG_CONSOLE_POLL || CONFIG_SERIAL_SH_SCI_CONSOLE */ @@ -480,10 +477,10 @@ static void sci_init_pins(struct uart_port *port, unsigned int cflag) ((!(cflag & CRTSCTS)))) { unsigned short status; - status = sci_in(port, SCSPTR); + status = serial_port_in(port, SCSPTR); status &= ~SCSPTR_CTSIO; status |= SCSPTR_RTSIO; - sci_out(port, SCSPTR, status); /* Set RTS = 1 */ + serial_port_out(port, SCSPTR, status); /* Set RTS = 1 */ } } @@ -493,13 +490,13 @@ static int sci_txfill(struct uart_port *port) reg = sci_getreg(port, SCTFDR); if (reg->size) - return sci_in(port, SCTFDR) & 0xff; + return serial_port_in(port, SCTFDR) & 0xff; reg = sci_getreg(port, SCFDR); if (reg->size) - return sci_in(port, SCFDR) >> 8; + return serial_port_in(port, SCFDR) >> 8; - return !(sci_in(port, SCxSR) & SCI_TDRE); + return !(serial_port_in(port, SCxSR) & SCI_TDRE); } static int sci_txroom(struct uart_port *port) @@ -513,13 +510,13 @@ static int sci_rxfill(struct uart_port *port) reg = sci_getreg(port, SCRFDR); if (reg->size) - return sci_in(port, SCRFDR) & 0xff; + return serial_port_in(port, SCRFDR) & 0xff; reg = sci_getreg(port, SCFDR); if (reg->size) - return sci_in(port, SCFDR) & ((port->fifosize << 1) - 1); + return serial_port_in(port, SCFDR) & ((port->fifosize << 1) - 1); - return (sci_in(port, SCxSR) & SCxSR_RDxF(port)) != 0; + return (serial_port_in(port, SCxSR) & SCxSR_RDxF(port)) != 0; } /* @@ -547,14 +544,14 @@ static void sci_transmit_chars(struct uart_port *port) unsigned short ctrl; int count; - status = sci_in(port, SCxSR); + status = serial_port_in(port, SCxSR); if (!(status & SCxSR_TDxE(port))) { - ctrl = sci_in(port, SCSCR); + ctrl = serial_port_in(port, SCSCR); if (uart_circ_empty(xmit)) ctrl &= ~SCSCR_TIE; else ctrl |= SCSCR_TIE; - sci_out(port, SCSCR, ctrl); + serial_port_out(port, SCSCR, ctrl); return; } @@ -573,27 +570,27 @@ static void sci_transmit_chars(struct uart_port *port) break; } - sci_out(port, SCxTDR, c); + serial_port_out(port, SCxTDR, c); port->icount.tx++; } while (--count > 0); - sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port)); + serial_port_out(port, SCxSR, SCxSR_TDxE_CLEAR(port)); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); if (uart_circ_empty(xmit)) { sci_stop_tx(port); } else { - ctrl = sci_in(port, SCSCR); + ctrl = serial_port_in(port, SCSCR); if (port->type != PORT_SCI) { - sci_in(port, SCxSR); /* Dummy read */ - sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port)); + serial_port_in(port, SCxSR); /* Dummy read */ + serial_port_out(port, SCxSR, SCxSR_TDxE_CLEAR(port)); } ctrl |= SCSCR_TIE; - sci_out(port, SCSCR, ctrl); + serial_port_out(port, SCSCR, ctrl); } } @@ -608,7 +605,7 @@ static void sci_receive_chars(struct uart_port *port) unsigned short status; unsigned char flag; - status = sci_in(port, SCxSR); + status = serial_port_in(port, SCxSR); if (!(status & SCxSR_RDxF(port))) return; @@ -621,7 +618,7 @@ static void sci_receive_chars(struct uart_port *port) break; if (port->type == PORT_SCI) { - char c = sci_in(port, SCxRDR); + char c = serial_port_in(port, SCxRDR); if (uart_handle_sysrq_char(port, c) || sci_port->break_flag) count = 0; @@ -629,9 +626,9 @@ static void sci_receive_chars(struct uart_port *port) tty_insert_flip_char(tty, c, TTY_NORMAL); } else { for (i = 0; i < count; i++) { - char c = sci_in(port, SCxRDR); + char c = serial_port_in(port, SCxRDR); - status = sci_in(port, SCxSR); + status = serial_port_in(port, SCxSR); #if defined(CONFIG_CPU_SH3) /* Skip "chars" during break */ if (sci_port->break_flag) { @@ -672,8 +669,8 @@ static void sci_receive_chars(struct uart_port *port) } } - sci_in(port, SCxSR); /* dummy read */ - sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); + serial_port_in(port, SCxSR); /* dummy read */ + serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); copied += count; port->icount.rx += count; @@ -683,8 +680,8 @@ static void sci_receive_chars(struct uart_port *port) /* Tell the rest of the system the news. New characters! */ tty_flip_buffer_push(tty); } else { - sci_in(port, SCxSR); /* dummy read */ - sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); + serial_port_in(port, SCxSR); /* dummy read */ + serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); } } @@ -726,7 +723,7 @@ static void sci_break_timer(unsigned long data) static int sci_handle_errors(struct uart_port *port) { int copied = 0; - unsigned short status = sci_in(port, SCxSR); + unsigned short status = serial_port_in(port, SCxSR); struct tty_struct *tty = port->state->port.tty; struct sci_port *s = to_sci_port(port); @@ -804,8 +801,8 @@ static int sci_handle_fifo_overrun(struct uart_port *port) if (!reg->size) return 0; - if ((sci_in(port, SCLSR) & (1 << s->cfg->overrun_bit))) { - sci_out(port, SCLSR, 0); + if ((serial_port_in(port, SCLSR) & (1 << s->cfg->overrun_bit))) { + serial_port_out(port, SCLSR, 0); port->icount.overrun++; @@ -822,7 +819,7 @@ static int sci_handle_fifo_overrun(struct uart_port *port) static int sci_handle_breaks(struct uart_port *port) { int copied = 0; - unsigned short status = sci_in(port, SCxSR); + unsigned short status = serial_port_in(port, SCxSR); struct tty_struct *tty = port->state->port.tty; struct sci_port *s = to_sci_port(port); @@ -859,8 +856,8 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr) struct sci_port *s = to_sci_port(port); if (s->chan_rx) { - u16 scr = sci_in(port, SCSCR); - u16 ssr = sci_in(port, SCxSR); + u16 scr = serial_port_in(port, SCSCR); + u16 ssr = serial_port_in(port, SCxSR); /* Disable future Rx interrupts */ if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { @@ -869,9 +866,9 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr) } else { scr &= ~SCSCR_RIE; } - sci_out(port, SCSCR, scr); + serial_port_out(port, SCSCR, scr); /* Clear current interrupt */ - sci_out(port, SCxSR, ssr & ~(1 | SCxSR_RDxF(port))); + serial_port_out(port, SCxSR, ssr & ~(1 | SCxSR_RDxF(port))); dev_dbg(port->dev, "Rx IRQ %lu: setup t-out in %u jiffies\n", jiffies, s->rx_timeout); mod_timer(&s->rx_timer, jiffies + s->rx_timeout); @@ -909,15 +906,15 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr) if (port->type == PORT_SCI) { if (sci_handle_errors(port)) { /* discard character in rx buffer */ - sci_in(port, SCxSR); - sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); + serial_port_in(port, SCxSR); + serial_port_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); } } else { sci_handle_fifo_overrun(port); sci_rx_interrupt(irq, ptr); } - sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); + serial_port_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); /* Kick the transmission */ sci_tx_interrupt(irq, ptr); @@ -931,7 +928,7 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr) /* Handle BREAKs */ sci_handle_breaks(port); - sci_out(port, SCxSR, SCxSR_BREAK_CLEAR(port)); + serial_port_out(port, SCxSR, SCxSR_BREAK_CLEAR(port)); return IRQ_HANDLED; } @@ -955,8 +952,8 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr) struct sci_port *s = to_sci_port(port); irqreturn_t ret = IRQ_NONE; - ssr_status = sci_in(port, SCxSR); - scr_status = sci_in(port, SCSCR); + ssr_status = serial_port_in(port, SCxSR); + scr_status = serial_port_in(port, SCSCR); err_enabled = scr_status & port_rx_irq_mask(port); /* Tx Interrupt */ @@ -1170,7 +1167,7 @@ static void sci_free_gpios(struct sci_port *port) static unsigned int sci_tx_empty(struct uart_port *port) { - unsigned short status = sci_in(port, SCxSR); + unsigned short status = serial_port_in(port, SCxSR); unsigned short in_tx_fifo = sci_txfill(port); return (status & SCxSR_TEND(port)) && !in_tx_fifo ? TIOCSER_TEMT : 0; @@ -1198,7 +1195,7 @@ static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl) */ reg = sci_getreg(port, SCFCR); if (reg->size) - sci_out(port, SCFCR, sci_in(port, SCFCR) | 1); + serial_port_out(port, SCFCR, serial_port_in(port, SCFCR) | 1); } } @@ -1240,8 +1237,8 @@ static void sci_dma_tx_complete(void *arg) } else { s->cookie_tx = -EINVAL; if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { - u16 ctrl = sci_in(port, SCSCR); - sci_out(port, SCSCR, ctrl & ~SCSCR_TIE); + u16 ctrl = serial_port_in(port, SCSCR); + serial_port_out(port, SCSCR, ctrl & ~SCSCR_TIE); } } @@ -1494,13 +1491,13 @@ static void sci_start_tx(struct uart_port *port) #ifdef CONFIG_SERIAL_SH_SCI_DMA if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { - u16 new, scr = sci_in(port, SCSCR); + u16 new, scr = serial_port_in(port, SCSCR); if (s->chan_tx) new = scr | 0x8000; else new = scr & ~0x8000; if (new != scr) - sci_out(port, SCSCR, new); + serial_port_out(port, SCSCR, new); } if (s->chan_tx && !uart_circ_empty(&s->port.state->xmit) && @@ -1512,8 +1509,8 @@ static void sci_start_tx(struct uart_port *port) if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) { /* Set TIE (Transmit Interrupt Enable) bit in SCSCR */ - ctrl = sci_in(port, SCSCR); - sci_out(port, SCSCR, ctrl | SCSCR_TIE); + ctrl = serial_port_in(port, SCSCR); + serial_port_out(port, SCSCR, ctrl | SCSCR_TIE); } } @@ -1522,40 +1519,40 @@ static void sci_stop_tx(struct uart_port *port) unsigned short ctrl; /* Clear TIE (Transmit Interrupt Enable) bit in SCSCR */ - ctrl = sci_in(port, SCSCR); + ctrl = serial_port_in(port, SCSCR); if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) ctrl &= ~0x8000; ctrl &= ~SCSCR_TIE; - sci_out(port, SCSCR, ctrl); + serial_port_out(port, SCSCR, ctrl); } static void sci_start_rx(struct uart_port *port) { unsigned short ctrl; - ctrl = sci_in(port, SCSCR) | port_rx_irq_mask(port); + ctrl = serial_port_in(port, SCSCR) | port_rx_irq_mask(port); if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) ctrl &= ~0x4000; - sci_out(port, SCSCR, ctrl); + serial_port_out(port, SCSCR, ctrl); } static void sci_stop_rx(struct uart_port *port) { unsigned short ctrl; - ctrl = sci_in(port, SCSCR); + ctrl = serial_port_in(port, SCSCR); if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) ctrl &= ~0x4000; ctrl &= ~port_rx_irq_mask(port); - sci_out(port, SCSCR, ctrl); + serial_port_out(port, SCSCR, ctrl); } static void sci_enable_ms(struct uart_port *port) @@ -1589,13 +1586,13 @@ static void rx_timer_fn(unsigned long arg) { struct sci_port *s = (struct sci_port *)arg; struct uart_port *port = &s->port; - u16 scr = sci_in(port, SCSCR); + u16 scr = serial_port_in(port, SCSCR); if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) { scr &= ~0x4000; enable_irq(s->cfg->irqs[1]); } - sci_out(port, SCSCR, scr | SCSCR_RIE); + serial_port_out(port, SCSCR, scr | SCSCR_RIE); dev_dbg(port->dev, "DMA Rx timed out\n"); schedule_work(&s->work_rx); } @@ -1776,14 +1773,14 @@ static void sci_reset(struct uart_port *port) unsigned int status; do { - status = sci_in(port, SCxSR); + status = serial_port_in(port, SCxSR); } while (!(status & SCxSR_TEND(port))); - sci_out(port, SCSCR, 0x00); /* TE=0, RE=0, CKE1=0 */ + serial_port_out(port, SCSCR, 0x00); /* TE=0, RE=0, CKE1=0 */ reg = sci_getreg(port, SCFCR); if (reg->size) - sci_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST); + serial_port_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST); } static void sci_set_termios(struct uart_port *port, struct ktermios *termios, @@ -1812,7 +1809,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, sci_reset(port); - smr_val = sci_in(port, SCSMR) & 3; + smr_val = serial_port_in(port, SCSMR) & 3; if ((termios->c_cflag & CSIZE) == CS7) smr_val |= 0x40; @@ -1825,19 +1822,19 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, uart_update_timeout(port, termios->c_cflag, baud); - sci_out(port, SCSMR, smr_val); + serial_port_out(port, SCSMR, smr_val); dev_dbg(port->dev, "%s: SMR %x, t %x, SCSCR %x\n", __func__, smr_val, t, s->cfg->scscr); if (t > 0) { if (t >= 256) { - sci_out(port, SCSMR, (sci_in(port, SCSMR) & ~3) | 1); + serial_port_out(port, SCSMR, (serial_port_in(port, SCSMR) & ~3) | 1); t >>= 2; } else - sci_out(port, SCSMR, sci_in(port, SCSMR) & ~3); + serial_port_out(port, SCSMR, serial_port_in(port, SCSMR) & ~3); - sci_out(port, SCBRR, t); + serial_port_out(port, SCBRR, t); udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */ } @@ -1845,7 +1842,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, reg = sci_getreg(port, SCFCR); if (reg->size) { - unsigned short ctrl = sci_in(port, SCFCR); + unsigned short ctrl = serial_port_in(port, SCFCR); if (s->cfg->capabilities & SCIx_HAVE_RTSCTS) { if (termios->c_cflag & CRTSCTS) @@ -1861,10 +1858,10 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, */ ctrl &= ~(SCFCR_RFRST | SCFCR_TFRST); - sci_out(port, SCFCR, ctrl); + serial_port_out(port, SCFCR, ctrl); } - sci_out(port, SCSCR, s->cfg->scscr); + serial_port_out(port, SCSCR, s->cfg->scscr); #ifdef CONFIG_SERIAL_SH_SCI_DMA /* @@ -2166,7 +2163,7 @@ static void serial_console_write(struct console *co, const char *s, /* wait until fifo is empty and last bit has been transmitted */ bits = SCxSR_TDxE(port) | SCxSR_TEND(port); - while ((sci_in(port, SCxSR) & bits) != bits) + while ((serial_port_in(port, SCxSR) & bits) != bits) cpu_relax(); sci_port_disable(sci_port); @@ -2260,12 +2257,12 @@ static int sci_runtime_suspend(struct device *dev) if (uart_console(port)) { struct plat_sci_reg *reg; - sci_port->saved_smr = sci_in(port, SCSMR); - sci_port->saved_brr = sci_in(port, SCBRR); + sci_port->saved_smr = serial_port_in(port, SCSMR); + sci_port->saved_brr = serial_port_in(port, SCBRR); reg = sci_getreg(port, SCFCR); if (reg->size) - sci_port->saved_fcr = sci_in(port, SCFCR); + sci_port->saved_fcr = serial_port_in(port, SCFCR); else sci_port->saved_fcr = 0; } @@ -2279,13 +2276,13 @@ static int sci_runtime_resume(struct device *dev) if (uart_console(port)) { sci_reset(port); - sci_out(port, SCSMR, sci_port->saved_smr); - sci_out(port, SCBRR, sci_port->saved_brr); + serial_port_out(port, SCSMR, sci_port->saved_smr); + serial_port_out(port, SCBRR, sci_port->saved_brr); if (sci_port->saved_fcr) - sci_out(port, SCFCR, sci_port->saved_fcr); + serial_port_out(port, SCFCR, sci_port->saved_fcr); - sci_out(port, SCSCR, sci_port->cfg->scscr); + serial_port_out(port, SCSCR, sci_port->cfg->scscr); } return 0; } diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h index a1a2d364f92b..4c22a1529aac 100644 --- a/drivers/tty/serial/sh-sci.h +++ b/drivers/tty/serial/sh-sci.h @@ -20,10 +20,10 @@ defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_ARCH_R8A7740) -# define SCxSR_RDxF_CLEAR(port) (sci_in(port, SCxSR) & 0xfffc) -# define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73) -# define SCxSR_TDxE_CLEAR(port) (sci_in(port, SCxSR) & 0xffdf) -# define SCxSR_BREAK_CLEAR(port) (sci_in(port, SCxSR) & 0xffe3) +# define SCxSR_RDxF_CLEAR(port) (serial_port_in(port, SCxSR) & 0xfffc) +# define SCxSR_ERROR_CLEAR(port) (serial_port_in(port, SCxSR) & 0xfd73) +# define SCxSR_TDxE_CLEAR(port) (serial_port_in(port, SCxSR) & 0xffdf) +# define SCxSR_BREAK_CLEAR(port) (serial_port_in(port, SCxSR) & 0xffe3) #else # define SCxSR_RDxF_CLEAR(port) (((port)->type == PORT_SCI) ? 0xbc : 0x00fc) # define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073) diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index b3b70b0bf85b..babd9470982b 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -1581,7 +1581,7 @@ static int __init sunzilog_init(void) if (err) goto out_unregister_uart; - if (!zilog_irq) { + if (zilog_irq) { struct uart_sunzilog_port *up = sunzilog_irq_chain; err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED, "zs", sunzilog_irq_chain); @@ -1622,7 +1622,7 @@ static void __exit sunzilog_exit(void) { platform_driver_unregister(&zs_driver); - if (!zilog_irq) { + if (zilog_irq) { struct uart_sunzilog_port *up = sunzilog_irq_chain; /* Disable Interrupts */ diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 136e86faa1e1..05728894a88c 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -327,7 +327,7 @@ static void send_sig_all(int sig) if (is_global_init(p)) continue; - force_sig(sig, p); + do_send_sig_info(sig, SEND_SIG_FORCED, p, true); } read_unlock(&tasklist_lock); } diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index cefa0c8b5b6a..d2b9af59cba9 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -428,18 +428,10 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig) return retval; } -static int default_open (struct inode *inode, struct file *file) -{ - if (inode->i_private) - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations default_file_operations = { .read = default_read_file, .write = default_write_file, - .open = default_open, + .open = simple_open, .llseek = default_file_lseek, }; diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 85a5cebe96b3..965a6293206a 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -345,7 +345,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req) } skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, - skb->len <= 1, req->actual, req->actual); + skb->len <= 1, req->actual, PAGE_SIZE); page = NULL; if (req->actual < req->length) { /* Last fragment */ diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 19f318ababa2..cf14c95a6700 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -13,6 +13,7 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <linux/of_platform.h> /* interface and function clocks */ diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index fd9109d7eb0e..680e1a31fb87 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -352,7 +352,6 @@ static int debug_async_open(struct inode *, struct file *); static int debug_periodic_open(struct inode *, struct file *); static int debug_registers_open(struct inode *, struct file *); static int debug_async_open(struct inode *, struct file *); -static int debug_lpm_open(struct inode *, struct file *); static ssize_t debug_lpm_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); static ssize_t debug_lpm_write(struct file *file, const char __user *buffer, @@ -385,7 +384,7 @@ static const struct file_operations debug_registers_fops = { }; static const struct file_operations debug_lpm_fops = { .owner = THIS_MODULE, - .open = debug_lpm_open, + .open = simple_open, .read = debug_lpm_read, .write = debug_lpm_write, .release = debug_lpm_close, @@ -970,12 +969,6 @@ static int debug_registers_open(struct inode *inode, struct file *file) return file->private_data ? 0 : -ENOMEM; } -static int debug_lpm_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static int debug_lpm_close(struct inode *inode, struct file *file) { return 0; diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index db8963f5fbce..09f597ad6e00 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -27,6 +27,10 @@ #error "CONFIG_ARCH_AT91 must be defined." #endif +#define valid_port(index) ((index) >= 0 && (index) < AT91_MAX_USBH_PORTS) +#define at91_for_each_port(index) \ + for ((index) = 0; (index) < AT91_MAX_USBH_PORTS; (index)++) + /* interface and function clocks; sometimes also an AHB clock */ static struct clk *iclk, *fclk, *hclk; static int clocked; @@ -240,26 +244,26 @@ ohci_at91_start (struct usb_hcd *hcd) static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int enable) { - if (port < 0 || port >= 2) + if (!valid_port(port)) return; if (!gpio_is_valid(pdata->vbus_pin[port])) return; gpio_set_value(pdata->vbus_pin[port], - !pdata->vbus_pin_active_low[port] ^ enable); + pdata->vbus_pin_active_low[port] ^ enable); } static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port) { - if (port < 0 || port >= 2) + if (!valid_port(port)) return -EINVAL; if (!gpio_is_valid(pdata->vbus_pin[port])) return -EINVAL; return gpio_get_value(pdata->vbus_pin[port]) ^ - !pdata->vbus_pin_active_low[port]; + pdata->vbus_pin_active_low[port]; } /* @@ -271,9 +275,9 @@ static int ohci_at91_hub_status_data(struct usb_hcd *hcd, char *buf) int length = ohci_hub_status_data(hcd, buf); int port; - for (port = 0; port < ARRAY_SIZE(pdata->overcurrent_pin); port++) { + at91_for_each_port(port) { if (pdata->overcurrent_changed[port]) { - if (! length) + if (!length) length = 1; buf[0] |= 1 << (port + 1); } @@ -297,11 +301,17 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, "ohci_at91_hub_control(%p,0x%04x,0x%04x,0x%04x,%p,%04x)\n", hcd, typeReq, wValue, wIndex, buf, wLength); + wIndex--; + switch (typeReq) { case SetPortFeature: if (wValue == USB_PORT_FEAT_POWER) { dev_dbg(hcd->self.controller, "SetPortFeat: POWER\n"); - ohci_at91_usb_set_power(pdata, wIndex - 1, 1); + if (valid_port(wIndex)) { + ohci_at91_usb_set_power(pdata, wIndex, 1); + ret = 0; + } + goto out; } break; @@ -312,9 +322,9 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, dev_dbg(hcd->self.controller, "ClearPortFeature: C_OVER_CURRENT\n"); - if (wIndex == 1 || wIndex == 2) { - pdata->overcurrent_changed[wIndex-1] = 0; - pdata->overcurrent_status[wIndex-1] = 0; + if (valid_port(wIndex)) { + pdata->overcurrent_changed[wIndex] = 0; + pdata->overcurrent_status[wIndex] = 0; } goto out; @@ -323,9 +333,8 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, dev_dbg(hcd->self.controller, "ClearPortFeature: OVER_CURRENT\n"); - if (wIndex == 1 || wIndex == 2) { - pdata->overcurrent_status[wIndex-1] = 0; - } + if (valid_port(wIndex)) + pdata->overcurrent_status[wIndex] = 0; goto out; @@ -333,15 +342,15 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, dev_dbg(hcd->self.controller, "ClearPortFeature: POWER\n"); - if (wIndex == 1 || wIndex == 2) { - ohci_at91_usb_set_power(pdata, wIndex - 1, 0); + if (valid_port(wIndex)) { + ohci_at91_usb_set_power(pdata, wIndex, 0); return 0; } } break; } - ret = ohci_hub_control(hcd, typeReq, wValue, wIndex, buf, wLength); + ret = ohci_hub_control(hcd, typeReq, wValue, wIndex + 1, buf, wLength); if (ret) goto out; @@ -377,18 +386,15 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, dev_dbg(hcd->self.controller, "GetPortStatus(%d)\n", wIndex); - if (wIndex == 1 || wIndex == 2) { - if (! ohci_at91_usb_get_power(pdata, wIndex-1)) { + if (valid_port(wIndex)) { + if (!ohci_at91_usb_get_power(pdata, wIndex)) *data &= ~cpu_to_le32(RH_PS_PPS); - } - if (pdata->overcurrent_changed[wIndex-1]) { + if (pdata->overcurrent_changed[wIndex]) *data |= cpu_to_le32(RH_PS_OCIC); - } - if (pdata->overcurrent_status[wIndex-1]) { + if (pdata->overcurrent_status[wIndex]) *data |= cpu_to_le32(RH_PS_POCI); - } } } @@ -450,14 +456,14 @@ static irqreturn_t ohci_hcd_at91_overcurrent_irq(int irq, void *data) /* From the GPIO notifying the over-current situation, find * out the corresponding port */ - for (port = 0; port < ARRAY_SIZE(pdata->overcurrent_pin); port++) { + at91_for_each_port(port) { if (gpio_to_irq(pdata->overcurrent_pin[port]) == irq) { gpio = pdata->overcurrent_pin[port]; break; } } - if (port == ARRAY_SIZE(pdata->overcurrent_pin)) { + if (port == AT91_MAX_USBH_PORTS) { dev_err(& pdev->dev, "overcurrent interrupt from unknown GPIO\n"); return IRQ_HANDLED; } @@ -467,7 +473,7 @@ static irqreturn_t ohci_hcd_at91_overcurrent_irq(int irq, void *data) /* When notified of an over-current situation, disable power on the corresponding port, and mark this port in over-current. */ - if (! val) { + if (!val) { ohci_at91_usb_set_power(pdata, port, 0); pdata->overcurrent_status[port] = 1; pdata->overcurrent_changed[port] = 1; @@ -492,7 +498,7 @@ static u64 at91_ohci_dma_mask = DMA_BIT_MASK(32); static int __devinit ohci_at91_of_init(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - int i, ret, gpio; + int i, gpio; enum of_gpio_flags flags; struct at91_usbh_data *pdata; u32 ports; @@ -514,48 +520,17 @@ static int __devinit ohci_at91_of_init(struct platform_device *pdev) if (!of_property_read_u32(np, "num-ports", &ports)) pdata->ports = ports; - for (i = 0; i < 2; i++) { + at91_for_each_port(i) { gpio = of_get_named_gpio_flags(np, "atmel,vbus-gpio", i, &flags); pdata->vbus_pin[i] = gpio; if (!gpio_is_valid(gpio)) continue; pdata->vbus_pin_active_low[i] = flags & OF_GPIO_ACTIVE_LOW; - ret = gpio_request(gpio, "ohci_vbus"); - if (ret) { - dev_warn(&pdev->dev, "can't request vbus gpio %d", gpio); - continue; - } - ret = gpio_direction_output(gpio, !(flags & OF_GPIO_ACTIVE_LOW) ^ 1); - if (ret) - dev_warn(&pdev->dev, "can't put vbus gpio %d as output %d", - !(flags & OF_GPIO_ACTIVE_LOW) ^ 1, gpio); } - for (i = 0; i < 2; i++) { - gpio = of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags); - pdata->overcurrent_pin[i] = gpio; - if (!gpio_is_valid(gpio)) - continue; - ret = gpio_request(gpio, "ohci_overcurrent"); - if (ret) { - dev_err(&pdev->dev, "can't request overcurrent gpio %d", gpio); - continue; - } - - ret = gpio_direction_input(gpio); - if (ret) { - dev_err(&pdev->dev, "can't configure overcurrent gpio %d as input", gpio); - continue; - } - - ret = request_irq(gpio_to_irq(gpio), - ohci_hcd_at91_overcurrent_irq, - IRQF_SHARED, "ohci_overcurrent", pdev); - if (ret) { - gpio_free(gpio); - dev_warn(& pdev->dev, "cannot get GPIO IRQ for overcurrent\n"); - } - } + at91_for_each_port(i) + pdata->overcurrent_pin[i] = + of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags); pdev->dev.platform_data = pdata; @@ -574,35 +549,69 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) { struct at91_usbh_data *pdata; int i; + int gpio; + int ret; - i = ohci_at91_of_init(pdev); - - if (i) - return i; + ret = ohci_at91_of_init(pdev); + if (ret) + return ret; pdata = pdev->dev.platform_data; if (pdata) { - for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) { + at91_for_each_port(i) { if (!gpio_is_valid(pdata->vbus_pin[i])) continue; - gpio_request(pdata->vbus_pin[i], "ohci_vbus"); + gpio = pdata->vbus_pin[i]; + + ret = gpio_request(gpio, "ohci_vbus"); + if (ret) { + dev_err(&pdev->dev, + "can't request vbus gpio %d\n", gpio); + continue; + } + ret = gpio_direction_output(gpio, + !pdata->vbus_pin_active_low[i]); + if (ret) { + dev_err(&pdev->dev, + "can't put vbus gpio %d as output %d\n", + gpio, !pdata->vbus_pin_active_low[i]); + gpio_free(gpio); + continue; + } + ohci_at91_usb_set_power(pdata, i, 1); } - for (i = 0; i < ARRAY_SIZE(pdata->overcurrent_pin); i++) { - int ret; - + at91_for_each_port(i) { if (!gpio_is_valid(pdata->overcurrent_pin[i])) continue; - gpio_request(pdata->overcurrent_pin[i], "ohci_overcurrent"); + gpio = pdata->overcurrent_pin[i]; + + ret = gpio_request(gpio, "ohci_overcurrent"); + if (ret) { + dev_err(&pdev->dev, + "can't request overcurrent gpio %d\n", + gpio); + continue; + } + + ret = gpio_direction_input(gpio); + if (ret) { + dev_err(&pdev->dev, + "can't configure overcurrent gpio %d as input\n", + gpio); + gpio_free(gpio); + continue; + } - ret = request_irq(gpio_to_irq(pdata->overcurrent_pin[i]), + ret = request_irq(gpio_to_irq(gpio), ohci_hcd_at91_overcurrent_irq, IRQF_SHARED, "ohci_overcurrent", pdev); if (ret) { - gpio_free(pdata->overcurrent_pin[i]); - dev_warn(& pdev->dev, "cannot get GPIO IRQ for overcurrent\n"); + gpio_free(gpio); + dev_err(&pdev->dev, + "can't get gpio IRQ for overcurrent\n"); } } } @@ -617,14 +626,14 @@ static int ohci_hcd_at91_drv_remove(struct platform_device *pdev) int i; if (pdata) { - for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) { + at91_for_each_port(i) { if (!gpio_is_valid(pdata->vbus_pin[i])) continue; ohci_at91_usb_set_power(pdata, i, 0); gpio_free(pdata->vbus_pin[i]); } - for (i = 0; i < ARRAY_SIZE(pdata->overcurrent_pin); i++) { + at91_for_each_port(i) { if (!gpio_is_valid(pdata->overcurrent_pin[i])) continue; free_irq(gpio_to_irq(pdata->overcurrent_pin[i]), pdev); diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c index 2eecec0c13c9..6ec45beb7af5 100644 --- a/drivers/uwb/uwb-debug.c +++ b/drivers/uwb/uwb-debug.c @@ -159,13 +159,6 @@ static int cmd_ie_rm(struct uwb_rc *rc, struct uwb_dbg_cmd_ie *ie_to_rm) return uwb_rc_ie_rm(rc, ie_to_rm->data[0]); } -static int command_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static ssize_t command_write(struct file *file, const char __user *buf, size_t len, loff_t *off) { @@ -206,7 +199,7 @@ static ssize_t command_write(struct file *file, const char __user *buf, } static const struct file_operations command_fops = { - .open = command_open, + .open = simple_open, .write = command_write, .read = NULL, .llseek = no_llseek, diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 7ed9991fa747..af16884491ed 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -245,6 +245,12 @@ config BACKLIGHT_DA903X If you have a LCD backlight connected to the WLED output of DA9030 or DA9034 WLED output, say Y here to enable this driver. +config BACKLIGHT_DA9052 + tristate "Dialog DA9052/DA9053 WLED" + depends on PMIC_DA9052 + help + Enable the Backlight Driver for DA9052-BC and DA9053-AA/Bx PMICs. + config BACKLIGHT_MAX8925 tristate "Backlight driver for MAX8925" depends on MFD_MAX8925 diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 8071eb656147..36855ae887d6 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o +obj-$(CONFIG_BACKLIGHT_DA9052) += da9052_bl.o obj-$(CONFIG_BACKLIGHT_MAX8925) += max8925_bl.o obj-$(CONFIG_BACKLIGHT_APPLE) += apple_bl.o obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c new file mode 100644 index 000000000000..b628d68f5162 --- /dev/null +++ b/drivers/video/backlight/da9052_bl.c @@ -0,0 +1,187 @@ +/* + * Backlight Driver for Dialog DA9052 PMICs + * + * Copyright(c) 2012 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen@diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> + +#define DA9052_MAX_BRIGHTNESS 0xFF + +enum { + DA9052_WLEDS_OFF, + DA9052_WLEDS_ON, +}; + +enum { + DA9052_TYPE_WLED1, + DA9052_TYPE_WLED2, + DA9052_TYPE_WLED3, +}; + +static unsigned char wled_bank[] = { + DA9052_LED1_CONF_REG, + DA9052_LED2_CONF_REG, + DA9052_LED3_CONF_REG, +}; + +struct da9052_bl { + struct da9052 *da9052; + uint brightness; + uint state; + uint led_reg; +}; + +static int da9052_adjust_wled_brightness(struct da9052_bl *wleds) +{ + unsigned char boost_en; + unsigned char i_sink; + int ret; + + boost_en = 0x3F; + i_sink = 0xFF; + if (wleds->state == DA9052_WLEDS_OFF) { + boost_en = 0x00; + i_sink = 0x00; + } + + ret = da9052_reg_write(wleds->da9052, DA9052_BOOST_REG, boost_en); + if (ret < 0) + return ret; + + ret = da9052_reg_write(wleds->da9052, DA9052_LED_CONT_REG, i_sink); + if (ret < 0) + return ret; + + ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], 0x0); + if (ret < 0) + return ret; + + msleep(10); + + if (wleds->brightness) { + ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], + wleds->brightness); + if (ret < 0) + return ret; + } + + return 0; +} + +static int da9052_backlight_update_status(struct backlight_device *bl) +{ + int brightness = bl->props.brightness; + struct da9052_bl *wleds = bl_get_data(bl); + + wleds->brightness = brightness; + wleds->state = DA9052_WLEDS_ON; + + return da9052_adjust_wled_brightness(wleds); +} + +static int da9052_backlight_get_brightness(struct backlight_device *bl) +{ + struct da9052_bl *wleds = bl_get_data(bl); + + return wleds->brightness; +} + +static const struct backlight_ops da9052_backlight_ops = { + .update_status = da9052_backlight_update_status, + .get_brightness = da9052_backlight_get_brightness, +}; + +static int da9052_backlight_probe(struct platform_device *pdev) +{ + struct backlight_device *bl; + struct backlight_properties props; + struct da9052_bl *wleds; + + wleds = devm_kzalloc(&pdev->dev, sizeof(struct da9052_bl), GFP_KERNEL); + if (!wleds) + return -ENOMEM; + + wleds->da9052 = dev_get_drvdata(pdev->dev.parent); + wleds->brightness = 0; + wleds->led_reg = platform_get_device_id(pdev)->driver_data; + wleds->state = DA9052_WLEDS_OFF; + + props.type = BACKLIGHT_RAW; + props.max_brightness = DA9052_MAX_BRIGHTNESS; + + bl = backlight_device_register(pdev->name, wleds->da9052->dev, wleds, + &da9052_backlight_ops, &props); + if (IS_ERR(bl)) { + dev_err(&pdev->dev, "Failed to register backlight\n"); + devm_kfree(&pdev->dev, wleds); + return PTR_ERR(bl); + } + + bl->props.max_brightness = DA9052_MAX_BRIGHTNESS; + bl->props.brightness = 0; + platform_set_drvdata(pdev, bl); + + return da9052_adjust_wled_brightness(wleds); +} + +static int da9052_backlight_remove(struct platform_device *pdev) +{ + struct backlight_device *bl = platform_get_drvdata(pdev); + struct da9052_bl *wleds = bl_get_data(bl); + + wleds->brightness = 0; + wleds->state = DA9052_WLEDS_OFF; + da9052_adjust_wled_brightness(wleds); + backlight_device_unregister(bl); + devm_kfree(&pdev->dev, wleds); + + return 0; +} + +static struct platform_device_id da9052_wled_ids[] = { + { + .name = "da9052-wled1", + .driver_data = DA9052_TYPE_WLED1, + }, + { + .name = "da9052-wled2", + .driver_data = DA9052_TYPE_WLED2, + }, + { + .name = "da9052-wled3", + .driver_data = DA9052_TYPE_WLED3, + }, +}; + +static struct platform_driver da9052_wled_driver = { + .probe = da9052_backlight_probe, + .remove = da9052_backlight_remove, + .id_table = da9052_wled_ids, + .driver = { + .name = "da9052-wled", + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(da9052_wled_driver); + +MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); +MODULE_DESCRIPTION("Backlight driver for DA9052 PMIC"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052-backlight"); diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index be20b5cbe26c..3a6d5419e3e3 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -229,14 +229,7 @@ static struct locomo_driver poodle_lcd_driver = { static int __init locomolcd_init(void) { - int ret = locomo_driver_register(&poodle_lcd_driver); - if (ret) - return ret; - -#ifdef CONFIG_SA1100_COLLIE - sa1100fb_lcd_power = locomolcd_power; -#endif - return 0; + return locomo_driver_register(&poodle_lcd_driver); } static void __exit locomolcd_exit(void) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 19e6a2041371..1afb4fba11b4 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -204,7 +204,8 @@ error: void * xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, - dma_addr_t *dma_handle, gfp_t flags) + dma_addr_t *dma_handle, gfp_t flags, + struct dma_attrs *attrs) { void *ret; int order = get_order(size); @@ -253,7 +254,7 @@ EXPORT_SYMBOL_GPL(xen_swiotlb_alloc_coherent); void xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr, - dma_addr_t dev_addr) + dma_addr_t dev_addr, struct dma_attrs *attrs) { int order = get_order(size); phys_addr_t phys; diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index 63616d7453e6..97f5d264c31e 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -234,7 +234,7 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev, if (dev_data) dev_data->ack_intr = 0; - return result; + return result > 0 ? 0 : result; } static diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 8fecc99be344..f52c5ab78f9d 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -3892,13 +3892,12 @@ CIFSSMBSetCIFSACL(const int xid, struct cifs_tcon *tcon, __u16 fid, int rc = 0; int bytes_returned = 0; SET_SEC_DESC_REQ *pSMB = NULL; - NTRANSACT_RSP *pSMBr = NULL; + void *pSMBr; setCifsAclRetry: - rc = smb_init(SMB_COM_NT_TRANSACT, 19, tcon, (void **) &pSMB, - (void **) &pSMBr); + rc = smb_init(SMB_COM_NT_TRANSACT, 19, tcon, (void **) &pSMB, &pSMBr); if (rc) - return (rc); + return rc; pSMB->MaxSetupCount = 0; pSMB->Reserved = 0; @@ -3926,9 +3925,8 @@ setCifsAclRetry: pSMB->AclFlags = cpu_to_le32(aclflag); if (pntsd && acllen) { - memcpy((char *) &pSMBr->hdr.Protocol + data_offset, - (char *) pntsd, - acllen); + memcpy((char *)pSMBr + offsetof(struct smb_hdr, Protocol) + + data_offset, pntsd, acllen); inc_rfc1001_len(pSMB, byte_count + data_count); } else inc_rfc1001_len(pSMB, byte_count); @@ -5708,7 +5706,8 @@ CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon, param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4; offset = param_offset + params; - data_offset = (char *) (&pSMB->hdr.Protocol) + offset; + data_offset = (char *)pSMB + + offsetof(struct smb_hdr, Protocol) + offset; count = sizeof(FILE_BASIC_INFO); pSMB->MaxParameterCount = cpu_to_le16(2); @@ -5977,7 +5976,7 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, u16 fid, u32 pid_of_opener) { struct smb_com_transaction2_sfi_req *pSMB = NULL; - FILE_UNIX_BASIC_INFO *data_offset; + char *data_offset; int rc = 0; u16 params, param_offset, offset, byte_count, count; @@ -5999,8 +5998,9 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4; offset = param_offset + params; - data_offset = (FILE_UNIX_BASIC_INFO *) - ((char *)(&pSMB->hdr.Protocol) + offset); + data_offset = (char *)pSMB + + offsetof(struct smb_hdr, Protocol) + offset; + count = sizeof(FILE_UNIX_BASIC_INFO); pSMB->MaxParameterCount = cpu_to_le16(2); @@ -6022,7 +6022,7 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, inc_rfc1001_len(pSMB, byte_count); pSMB->ByteCount = cpu_to_le16(byte_count); - cifs_fill_unix_set_info(data_offset, args); + cifs_fill_unix_set_info((FILE_UNIX_BASIC_INFO *)data_offset, args); rc = SendReceiveNoRsp(xid, tcon->ses, (char *) pSMB, 0); if (rc) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 302a15c505a9..d81e933a796b 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1565,8 +1565,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, /* Obtain the value string */ value = strchr(data, '='); - if (value != NULL) - *value++ = '\0'; + value++; /* Set tmp_end to end of the string */ tmp_end = (char *) value + strlen(value); @@ -1649,6 +1648,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, goto cifs_parse_mount_err; } + vol->UNC = kmalloc(temp_len+1, GFP_KERNEL); + if (vol->UNC == NULL) { + printk(KERN_WARNING "CIFS: no memory for UNC\n"); + goto cifs_parse_mount_err; + } + strcpy(vol->UNC, string); + if (strncmp(string, "//", 2) == 0) { vol->UNC[0] = '\\'; vol->UNC[1] = '\\'; @@ -1658,13 +1664,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, goto cifs_parse_mount_err; } - vol->UNC = kmalloc(temp_len+1, GFP_KERNEL); - if (vol->UNC == NULL) { - printk(KERN_WARNING "CIFS: no memory " - "for UNC\n"); - goto cifs_parse_mount_err; - } - strcpy(vol->UNC, string); break; case Opt_domain: string = match_strdup(args); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 460d87b7cda0..fae765dac934 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -835,13 +835,21 @@ cifs_posix_lock_set(struct file *file, struct file_lock *flock) if ((flock->fl_flags & FL_POSIX) == 0) return rc; +try_again: mutex_lock(&cinode->lock_mutex); if (!cinode->can_cache_brlcks) { mutex_unlock(&cinode->lock_mutex); return rc; } - rc = posix_lock_file_wait(file, flock); + + rc = posix_lock_file(file, flock, NULL); mutex_unlock(&cinode->lock_mutex); + if (rc == FILE_LOCK_DEFERRED) { + rc = wait_event_interruptible(flock->fl_wait, !flock->fl_next); + if (!rc) + goto try_again; + locks_delete_block(flock); + } return rc; } diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index dd23a321bdda..581c225f7f50 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -197,8 +197,7 @@ cifs_convert_address(struct sockaddr *dst, const char *src, int len) memcpy(scope_id, pct + 1, slen); scope_id[slen] = '\0'; - rc = strict_strtoul(scope_id, 0, - (unsigned long *)&s6->sin6_scope_id); + rc = kstrtouint(scope_id, 0, &s6->sin6_scope_id); rc = (rc == 0) ? 1 : 0; } diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index 21e93605161c..5dfafdd1dbd3 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -33,18 +33,10 @@ static ssize_t default_write_file(struct file *file, const char __user *buf, return count; } -static int default_open(struct inode *inode, struct file *file) -{ - if (inode->i_private) - file->private_data = inode->i_private; - - return 0; -} - const struct file_operations debugfs_file_operations = { .read = default_read_file, .write = default_write_file, - .open = default_open, + .open = simple_open, .llseek = noop_llseek, }; @@ -447,7 +439,7 @@ static ssize_t write_file_bool(struct file *file, const char __user *user_buf, static const struct file_operations fops_bool = { .read = read_file_bool, .write = write_file_bool, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; @@ -492,7 +484,7 @@ static ssize_t read_file_blob(struct file *file, char __user *user_buf, static const struct file_operations fops_blob = { .read = read_file_blob, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index 3dca2b39e83f..1c9b08095f98 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -609,13 +609,6 @@ static const struct file_operations format3_fops = { /* * dump lkb's on the ls_waiters list */ - -static int waiters_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t waiters_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -644,7 +637,7 @@ static ssize_t waiters_read(struct file *file, char __user *userbuf, static const struct file_operations waiters_fops = { .owner = THIS_MODULE, - .open = waiters_open, + .open = simple_open, .read = waiters_read, .llseek = default_llseek, }; diff --git a/fs/exec.c b/fs/exec.c index 9a1d9f0a60ab..b1fd2025e59a 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1371,7 +1371,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) unsigned int depth = bprm->recursion_depth; int try,retval; struct linux_binfmt *fmt; - pid_t old_pid; + pid_t old_pid, old_vpid; retval = security_bprm_check(bprm); if (retval) @@ -1382,8 +1382,9 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) return retval; /* Need to fetch pid before load_binary changes it */ + old_pid = current->pid; rcu_read_lock(); - old_pid = task_pid_nr_ns(current, task_active_pid_ns(current->parent)); + old_vpid = task_pid_nr_ns(current, task_active_pid_ns(current->parent)); rcu_read_unlock(); retval = -ENOENT; @@ -1406,7 +1407,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) if (retval >= 0) { if (depth == 0) { trace_sched_process_exec(current, old_pid, bprm); - ptrace_event(PTRACE_EVENT_EXEC, old_pid); + ptrace_event(PTRACE_EVENT_EXEC, old_vpid); } put_binfmt(fmt); allow_write_access(bprm->file); diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index ea251749d9d5..28cf06e4ec84 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1031,7 +1031,6 @@ static int __init init_hugetlbfs_fs(void) } error = PTR_ERR(vfsmount); - unregister_filesystem(&hugetlbfs_fs_type); out: kmem_cache_destroy(hugetlbfs_inode_cachep); diff --git a/fs/libfs.c b/fs/libfs.c index 4a0d1f06da57..358094f0433d 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -264,6 +264,13 @@ Enomem: return ERR_PTR(-ENOMEM); } +int simple_open(struct inode *inode, struct file *file) +{ + if (inode->i_private) + file->private_data = inode->i_private; + return 0; +} + int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) { struct inode *inode = old_dentry->d_inode; @@ -984,6 +991,7 @@ EXPORT_SYMBOL(simple_dir_operations); EXPORT_SYMBOL(simple_empty); EXPORT_SYMBOL(simple_fill_super); EXPORT_SYMBOL(simple_getattr); +EXPORT_SYMBOL(simple_open); EXPORT_SYMBOL(simple_link); EXPORT_SYMBOL(simple_lookup); EXPORT_SYMBOL(simple_pin_fs); diff --git a/fs/locks.c b/fs/locks.c index 637694bf3a03..0d68f1f81799 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -510,12 +510,13 @@ static void __locks_delete_block(struct file_lock *waiter) /* */ -static void locks_delete_block(struct file_lock *waiter) +void locks_delete_block(struct file_lock *waiter) { lock_flocks(); __locks_delete_block(waiter); unlock_flocks(); } +EXPORT_SYMBOL(locks_delete_block); /* Insert waiter into blocker's block list. * We use a circular list so that processes can be easily woken up in diff --git a/fs/namei.c b/fs/namei.c index 1898198abc3d..0062dd17eb55 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1407,18 +1407,9 @@ static inline int can_lookup(struct inode *inode) */ #ifdef CONFIG_DCACHE_WORD_ACCESS -#ifdef CONFIG_64BIT +#include <asm/word-at-a-time.h> -/* - * Jan Achrenius on G+: microoptimized version of - * the simpler "(mask & ONEBYTES) * ONEBYTES >> 56" - * that works for the bytemasks without having to - * mask them first. - */ -static inline long count_masked_bytes(unsigned long mask) -{ - return mask*0x0001020304050608ul >> 56; -} +#ifdef CONFIG_64BIT static inline unsigned int fold_hash(unsigned long hash) { @@ -1428,15 +1419,6 @@ static inline unsigned int fold_hash(unsigned long hash) #else /* 32-bit case */ -/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */ -static inline long count_masked_bytes(long mask) -{ - /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */ - long a = (0x0ff0001+mask) >> 23; - /* Fix the 1 for 00 case */ - return a & mask; -} - #define fold_hash(x) (x) #endif @@ -1464,17 +1446,6 @@ done: } EXPORT_SYMBOL(full_name_hash); -#define REPEAT_BYTE(x) ((~0ul / 0xff) * (x)) -#define ONEBYTES REPEAT_BYTE(0x01) -#define SLASHBYTES REPEAT_BYTE('/') -#define HIGHBITS REPEAT_BYTE(0x80) - -/* Return the high bit set in the first byte that is a zero */ -static inline unsigned long has_zero(unsigned long a) -{ - return ((a - ONEBYTES) & ~a) & HIGHBITS; -} - /* * Calculate the length and hash of the path component, and * return the length of the component; @@ -1490,7 +1461,7 @@ static inline unsigned long hash_name(const char *name, unsigned int *hashp) len += sizeof(unsigned long); a = *(unsigned long *)(name+len); /* Do we have any NUL or '/' bytes in this word? */ - mask = has_zero(a) | has_zero(a ^ SLASHBYTES); + mask = has_zero(a) | has_zero(a ^ REPEAT_BYTE('/')); } while (!mask); /* The mask *below* the first high bit set */ diff --git a/fs/proc/root.c b/fs/proc/root.c index 46a15d8a29ca..eed44bfc85db 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -115,12 +115,13 @@ static struct dentry *proc_mount(struct file_system_type *fs_type, if (IS_ERR(sb)) return ERR_CAST(sb); + if (!proc_parse_options(options, ns)) { + deactivate_locked_super(sb); + return ERR_PTR(-EINVAL); + } + if (!sb->s_root) { sb->s_flags = flags; - if (!proc_parse_options(options, ns)) { - deactivate_locked_super(sb); - return ERR_PTR(-EINVAL); - } err = proc_fill_super(sb); if (err) { deactivate_locked_super(sb); diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index 50952c9bd06c..19507889bb7f 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -52,12 +52,6 @@ struct pstore_private { char data[]; }; -static int pstore_file_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t pstore_file_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -67,7 +61,7 @@ static ssize_t pstore_file_read(struct file *file, char __user *userbuf, } static const struct file_operations pstore_file_operations = { - .open = pstore_file_open, + .open = simple_open, .read = pstore_file_read, .llseek = default_llseek, }; diff --git a/fs/splice.c b/fs/splice.c index 5f883de7ef3a..f8476841eb04 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -30,6 +30,7 @@ #include <linux/uio.h> #include <linux/security.h> #include <linux/gfp.h> +#include <linux/socket.h> /* * Attempt to steal a page from a pipe buffer. This should perhaps go into @@ -690,7 +691,9 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe, if (!likely(file->f_op && file->f_op->sendpage)) return -EINVAL; - more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len; + more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0; + if (sd->len < sd->total_len) + more |= MSG_SENDPAGE_NOTLAST; return file->f_op->sendpage(file, buf->page, buf->offset, sd->len, &pos, more); } diff --git a/fs/xattr.c b/fs/xattr.c index d6dfd247bb2f..3c8c1cc333c7 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -19,8 +19,9 @@ #include <linux/export.h> #include <linux/fsnotify.h> #include <linux/audit.h> -#include <asm/uaccess.h> +#include <linux/vmalloc.h> +#include <asm/uaccess.h> /* * Check permissions for extended attribute access. This is a bit complicated @@ -320,6 +321,7 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, { int error; void *kvalue = NULL; + void *vvalue = NULL; /* If non-NULL, we used vmalloc() */ char kname[XATTR_NAME_MAX + 1]; if (flags & ~(XATTR_CREATE|XATTR_REPLACE)) @@ -334,13 +336,25 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, if (size) { if (size > XATTR_SIZE_MAX) return -E2BIG; - kvalue = memdup_user(value, size); - if (IS_ERR(kvalue)) - return PTR_ERR(kvalue); + kvalue = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); + if (!kvalue) { + vvalue = vmalloc(size); + if (!vvalue) + return -ENOMEM; + kvalue = vvalue; + } + if (copy_from_user(kvalue, value, size)) { + error = -EFAULT; + goto out; + } } error = vfs_setxattr(d, kname, kvalue, size, flags); - kfree(kvalue); +out: + if (vvalue) + vfree(vvalue); + else + kfree(kvalue); return error; } @@ -492,13 +506,18 @@ listxattr(struct dentry *d, char __user *list, size_t size) { ssize_t error; char *klist = NULL; + char *vlist = NULL; /* If non-NULL, we used vmalloc() */ if (size) { if (size > XATTR_LIST_MAX) size = XATTR_LIST_MAX; - klist = kmalloc(size, GFP_KERNEL); - if (!klist) - return -ENOMEM; + klist = kmalloc(size, __GFP_NOWARN | GFP_KERNEL); + if (!klist) { + vlist = vmalloc(size); + if (!vlist) + return -ENOMEM; + klist = vlist; + } } error = vfs_listxattr(d, klist, size); @@ -510,7 +529,10 @@ listxattr(struct dentry *d, char __user *list, size_t size) than XATTR_LIST_MAX bytes. Not possible. */ error = -E2BIG; } - kfree(klist); + if (vlist) + vfree(vlist); + else + kfree(klist); return error; } diff --git a/include/asm-generic/cmpxchg.h b/include/asm-generic/cmpxchg.h index 8a361834dc25..14883026015d 100644 --- a/include/asm-generic/cmpxchg.h +++ b/include/asm-generic/cmpxchg.h @@ -10,6 +10,7 @@ #error "Cannot use generic cmpxchg on SMP" #endif +#include <linux/types.h> #include <linux/irqflags.h> #ifndef xchg diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h index d838c945575a..2eba340230a7 100644 --- a/include/crypto/internal/aead.h +++ b/include/crypto/internal/aead.h @@ -31,6 +31,8 @@ static inline void crypto_set_aead_spawn( crypto_set_spawn(&spawn->base, inst); } +struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask); + int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name, u32 type, u32 mask); diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h index 3a748a6bf772..06e8b32d541c 100644 --- a/include/crypto/internal/skcipher.h +++ b/include/crypto/internal/skcipher.h @@ -34,6 +34,8 @@ static inline void crypto_set_skcipher_spawn( int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name, u32 type, u32 mask); +struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, u32 mask); + static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn) { crypto_drop_spawn(&spawn->base); diff --git a/include/drm/drm.h b/include/drm/drm.h index 34a7b89fd006..64ff02d5b730 100644 --- a/include/drm/drm.h +++ b/include/drm/drm.h @@ -617,6 +617,17 @@ struct drm_get_cap { __u64 value; }; +#define DRM_CLOEXEC O_CLOEXEC +struct drm_prime_handle { + __u32 handle; + + /** Flags.. only applicable for handle->fd */ + __u32 flags; + + /** Returned dmabuf file descriptor */ + __s32 fd; +}; + #include "drm_mode.h" #define DRM_IOCTL_BASE 'd' @@ -673,7 +684,8 @@ struct drm_get_cap { #define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock) #define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock) -#define DRM_IOCTL_GEM_PRIME_OPEN DRM_IOWR(0x2e, struct drm_gem_open) +#define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle) +#define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle) #define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30) #define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31) diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 574bd1c81ebd..dd731043fecd 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -91,6 +91,7 @@ struct drm_device; #define DRM_UT_CORE 0x01 #define DRM_UT_DRIVER 0x02 #define DRM_UT_KMS 0x04 +#define DRM_UT_PRIME 0x08 /* * Three debug levels are defined. * drm_core, drm_driver, drm_kms @@ -150,6 +151,7 @@ int drm_err(const char *func, const char *format, ...); #define DRIVER_IRQ_VBL2 0x800 #define DRIVER_GEM 0x1000 #define DRIVER_MODESET 0x2000 +#define DRIVER_PRIME 0x4000 #define DRIVER_BUS_PCI 0x1 #define DRIVER_BUS_PLATFORM 0x2 @@ -215,6 +217,11 @@ int drm_err(const char *func, const char *format, ...); drm_ut_debug_printk(DRM_UT_KMS, DRM_NAME, \ __func__, fmt, ##args); \ } while (0) +#define DRM_DEBUG_PRIME(fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_PRIME, DRM_NAME, \ + __func__, fmt, ##args); \ + } while (0) #define DRM_LOG(fmt, args...) \ do { \ drm_ut_debug_printk(DRM_UT_CORE, NULL, \ @@ -238,6 +245,7 @@ int drm_err(const char *func, const char *format, ...); #else #define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0) #define DRM_DEBUG_KMS(fmt, args...) do { } while (0) +#define DRM_DEBUG_PRIME(fmt, args...) do { } while (0) #define DRM_DEBUG(fmt, arg...) do { } while (0) #define DRM_LOG(fmt, arg...) do { } while (0) #define DRM_LOG_KMS(fmt, args...) do { } while (0) @@ -410,6 +418,12 @@ struct drm_pending_event { void (*destroy)(struct drm_pending_event *event); }; +/* initial implementaton using a linked list - todo hashtab */ +struct drm_prime_file_private { + struct list_head head; + struct mutex lock; +}; + /** File private data */ struct drm_file { int authenticated; @@ -437,6 +451,8 @@ struct drm_file { wait_queue_head_t event_wait; struct list_head event_list; int event_space; + + struct drm_prime_file_private prime; }; /** Wait queue */ @@ -652,6 +668,12 @@ struct drm_gem_object { uint32_t pending_write_domain; void *driver_private; + + /* dma buf exported from this GEM object */ + struct dma_buf *export_dma_buf; + + /* dma buf attachment backing this object */ + struct dma_buf_attachment *import_attach; }; #include "drm_crtc.h" @@ -890,6 +912,20 @@ struct drm_driver { int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); + /* prime: */ + /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ + int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, + uint32_t handle, uint32_t flags, int *prime_fd); + /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ + int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, + int prime_fd, uint32_t *handle); + /* export GEM -> dmabuf */ + struct dma_buf * (*gem_prime_export)(struct drm_device *dev, + struct drm_gem_object *obj, int flags); + /* import dmabuf -> GEM */ + struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, + struct dma_buf *dma_buf); + /* vga arb irq handler */ void (*vgaarb_irq)(struct drm_device *dev, bool state); @@ -1509,6 +1545,32 @@ extern int drm_vblank_info(struct seq_file *m, void *data); extern int drm_clients_info(struct seq_file *m, void* data); extern int drm_gem_name_info(struct seq_file *m, void *data); + +extern int drm_gem_prime_handle_to_fd(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, uint32_t flags, + int *prime_fd); +extern int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, uint32_t *handle); + +extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages); +extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); + + +void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); +void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); +int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle); +int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle); +void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); + +int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj); +int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf, + struct drm_gem_object **obj); + #if DRM_DEBUG_CODE extern int drm_vma_info(struct seq_file *m, void *data); #endif diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h index 0a0001b9dc78..923afb5dcf0c 100644 --- a/include/drm/intel-gtt.h +++ b/include/drm/intel-gtt.h @@ -44,4 +44,8 @@ void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries, /* flag for GFDT type */ #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) +#ifdef CONFIG_INTEL_IOMMU +extern int intel_iommu_gfx_mapped; +#endif + #endif diff --git a/include/linux/Kbuild b/include/linux/Kbuild index d05df2810354..3c9b616c834a 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -3,6 +3,7 @@ header-y += can/ header-y += caif/ header-y += dvb/ header-y += hdlc/ +header-y += hsi/ header-y += isdn/ header-y += mmc/ header-y += nfsd/ diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 1ffdb9856bb9..a2c819d3c96e 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -764,12 +764,6 @@ static inline const struct cpumask *get_cpu_mask(unsigned int cpu) * */ #ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS -/* These strip const, as traditionally they weren't const. */ -#define cpu_possible_map (*(cpumask_t *)cpu_possible_mask) -#define cpu_online_map (*(cpumask_t *)cpu_online_mask) -#define cpu_present_map (*(cpumask_t *)cpu_present_mask) -#define cpu_active_map (*(cpumask_t *)cpu_active_mask) - #define cpumask_of_cpu(cpu) (*get_cpu_mask(cpu)) #define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS) diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h index 532fb58f16bf..4abf2ea6a887 100644 --- a/include/linux/cryptouser.h +++ b/include/linux/cryptouser.h @@ -100,3 +100,6 @@ struct crypto_report_rng { char type[CRYPTO_MAX_NAME]; unsigned int seedsize; }; + +#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \ + sizeof(struct crypto_report_blkcipher)) diff --git a/include/linux/dma-attrs.h b/include/linux/dma-attrs.h index 71ad34eca6e3..547ab568d3ae 100644 --- a/include/linux/dma-attrs.h +++ b/include/linux/dma-attrs.h @@ -13,6 +13,8 @@ enum dma_attr { DMA_ATTR_WRITE_BARRIER, DMA_ATTR_WEAK_ORDERING, + DMA_ATTR_WRITE_COMBINE, + DMA_ATTR_NON_CONSISTENT, DMA_ATTR_MAX, }; diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 5a736af3cc7a..dfc099e56a66 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -9,10 +9,15 @@ #include <linux/scatterlist.h> struct dma_map_ops { - void* (*alloc_coherent)(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp); - void (*free_coherent)(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); + void* (*alloc)(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs); + void (*free)(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs); + int (*mmap)(struct device *, struct vm_area_struct *, + void *, dma_addr_t, size_t, struct dma_attrs *attrs); + dma_addr_t (*map_page)(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index e1d9e0ede309..f5647b59a90e 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -896,8 +896,7 @@ static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings) * * All operations are optional (i.e. the function pointer may be set * to %NULL) and callers must take this into account. Callers must - * hold the RTNL, except that for @get_drvinfo the caller may or may - * not hold the RTNL. + * hold the RTNL lock. * * See the structures used by these operations for further documentation. * diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 4db7b68f0582..cdc9b719e9c7 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -2,6 +2,7 @@ #define _LINUX_FIREWIRE_H #include <linux/completion.h> +#include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/kref.h> @@ -64,8 +65,6 @@ #define CSR_MODEL 0x17 #define CSR_DIRECTORY_ID 0x20 -struct device; - struct fw_csr_iterator { const u32 *p; const u32 *end; diff --git a/include/linux/fs.h b/include/linux/fs.h index 135693e79f2b..8de675523e46 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1215,6 +1215,7 @@ extern int vfs_setlease(struct file *, long, struct file_lock **); extern int lease_modify(struct file_lock **, int); extern int lock_may_read(struct inode *, loff_t start, unsigned long count); extern int lock_may_write(struct inode *, loff_t start, unsigned long count); +extern void locks_delete_block(struct file_lock *waiter); extern void lock_flocks(void); extern void unlock_flocks(void); #else /* !CONFIG_FILE_LOCKING */ @@ -1359,6 +1360,10 @@ static inline int lock_may_write(struct inode *inode, loff_t start, return 1; } +static inline void locks_delete_block(struct file_lock *waiter) +{ +} + static inline void lock_flocks(void) { } @@ -2506,6 +2511,7 @@ extern int dcache_readdir(struct file *, void *, filldir_t); extern int simple_setattr(struct dentry *, struct iattr *); extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int simple_statfs(struct dentry *, struct kstatfs *); +extern int simple_open(struct inode *inode, struct file *file); extern int simple_link(struct dentry *, struct inode *, struct dentry *); extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); diff --git a/include/linux/hsi/Kbuild b/include/linux/hsi/Kbuild new file mode 100644 index 000000000000..271a770b4784 --- /dev/null +++ b/include/linux/hsi/Kbuild @@ -0,0 +1 @@ +header-y += hsi_char.h diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h new file mode 100644 index 000000000000..4b178067f405 --- /dev/null +++ b/include/linux/hsi/hsi.h @@ -0,0 +1,410 @@ +/* + * HSI core header file. + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Carlos Chinea <carlos.chinea@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_HSI_H__ +#define __LINUX_HSI_H__ + +#include <linux/device.h> +#include <linux/mutex.h> +#include <linux/scatterlist.h> +#include <linux/spinlock.h> +#include <linux/list.h> +#include <linux/module.h> + +/* HSI message ttype */ +#define HSI_MSG_READ 0 +#define HSI_MSG_WRITE 1 + +/* HSI configuration values */ +enum { + HSI_MODE_STREAM = 1, + HSI_MODE_FRAME, +}; + +enum { + HSI_FLOW_SYNC, /* Synchronized flow */ + HSI_FLOW_PIPE, /* Pipelined flow */ +}; + +enum { + HSI_ARB_RR, /* Round-robin arbitration */ + HSI_ARB_PRIO, /* Channel priority arbitration */ +}; + +#define HSI_MAX_CHANNELS 16 + +/* HSI message status codes */ +enum { + HSI_STATUS_COMPLETED, /* Message transfer is completed */ + HSI_STATUS_PENDING, /* Message pending to be read/write (POLL) */ + HSI_STATUS_PROCEEDING, /* Message transfer is ongoing */ + HSI_STATUS_QUEUED, /* Message waiting to be served */ + HSI_STATUS_ERROR, /* Error when message transfer was ongoing */ +}; + +/* HSI port event codes */ +enum { + HSI_EVENT_START_RX, + HSI_EVENT_STOP_RX, +}; + +/** + * struct hsi_config - Configuration for RX/TX HSI modules + * @mode: Bit transmission mode (STREAM or FRAME) + * @channels: Number of channels to use [1..16] + * @speed: Max bit transmission speed (Kbit/s) + * @flow: RX flow type (SYNCHRONIZED or PIPELINE) + * @arb_mode: Arbitration mode for TX frame (Round robin, priority) + */ +struct hsi_config { + unsigned int mode; + unsigned int channels; + unsigned int speed; + union { + unsigned int flow; /* RX only */ + unsigned int arb_mode; /* TX only */ + }; +}; + +/** + * struct hsi_board_info - HSI client board info + * @name: Name for the HSI device + * @hsi_id: HSI controller id where the client sits + * @port: Port number in the controller where the client sits + * @tx_cfg: HSI TX configuration + * @rx_cfg: HSI RX configuration + * @platform_data: Platform related data + * @archdata: Architecture-dependent device data + */ +struct hsi_board_info { + const char *name; + unsigned int hsi_id; + unsigned int port; + struct hsi_config tx_cfg; + struct hsi_config rx_cfg; + void *platform_data; + struct dev_archdata *archdata; +}; + +#ifdef CONFIG_HSI_BOARDINFO +extern int hsi_register_board_info(struct hsi_board_info const *info, + unsigned int len); +#else +static inline int hsi_register_board_info(struct hsi_board_info const *info, + unsigned int len) +{ + return 0; +} +#endif /* CONFIG_HSI_BOARDINFO */ + +/** + * struct hsi_client - HSI client attached to an HSI port + * @device: Driver model representation of the device + * @tx_cfg: HSI TX configuration + * @rx_cfg: HSI RX configuration + * @hsi_start_rx: Called after incoming wake line goes high + * @hsi_stop_rx: Called after incoming wake line goes low + */ +struct hsi_client { + struct device device; + struct hsi_config tx_cfg; + struct hsi_config rx_cfg; + void (*hsi_start_rx)(struct hsi_client *cl); + void (*hsi_stop_rx)(struct hsi_client *cl); + /* private: */ + unsigned int pclaimed:1; + struct list_head link; +}; + +#define to_hsi_client(dev) container_of(dev, struct hsi_client, device) + +static inline void hsi_client_set_drvdata(struct hsi_client *cl, void *data) +{ + dev_set_drvdata(&cl->device, data); +} + +static inline void *hsi_client_drvdata(struct hsi_client *cl) +{ + return dev_get_drvdata(&cl->device); +} + +/** + * struct hsi_client_driver - Driver associated to an HSI client + * @driver: Driver model representation of the driver + */ +struct hsi_client_driver { + struct device_driver driver; +}; + +#define to_hsi_client_driver(drv) container_of(drv, struct hsi_client_driver,\ + driver) + +int hsi_register_client_driver(struct hsi_client_driver *drv); + +static inline void hsi_unregister_client_driver(struct hsi_client_driver *drv) +{ + driver_unregister(&drv->driver); +} + +/** + * struct hsi_msg - HSI message descriptor + * @link: Free to use by the current descriptor owner + * @cl: HSI device client that issues the transfer + * @sgt: Head of the scatterlist array + * @context: Client context data associated to the transfer + * @complete: Transfer completion callback + * @destructor: Destructor to free resources when flushing + * @status: Status of the transfer when completed + * @actual_len: Actual length of data transfered on completion + * @channel: Channel were to TX/RX the message + * @ttype: Transfer type (TX if set, RX otherwise) + * @break_frame: if true HSI will send/receive a break frame. Data buffers are + * ignored in the request. + */ +struct hsi_msg { + struct list_head link; + struct hsi_client *cl; + struct sg_table sgt; + void *context; + + void (*complete)(struct hsi_msg *msg); + void (*destructor)(struct hsi_msg *msg); + + int status; + unsigned int actual_len; + unsigned int channel; + unsigned int ttype:1; + unsigned int break_frame:1; +}; + +struct hsi_msg *hsi_alloc_msg(unsigned int n_frag, gfp_t flags); +void hsi_free_msg(struct hsi_msg *msg); + +/** + * struct hsi_port - HSI port device + * @device: Driver model representation of the device + * @tx_cfg: Current TX path configuration + * @rx_cfg: Current RX path configuration + * @num: Port number + * @shared: Set when port can be shared by different clients + * @claimed: Reference count of clients which claimed the port + * @lock: Serialize port claim + * @async: Asynchronous transfer callback + * @setup: Callback to set the HSI client configuration + * @flush: Callback to clean the HW state and destroy all pending transfers + * @start_tx: Callback to inform that a client wants to TX data + * @stop_tx: Callback to inform that a client no longer wishes to TX data + * @release: Callback to inform that a client no longer uses the port + * @clients: List of hsi_clients using the port. + * @clock: Lock to serialize access to the clients list. + */ +struct hsi_port { + struct device device; + struct hsi_config tx_cfg; + struct hsi_config rx_cfg; + unsigned int num; + unsigned int shared:1; + int claimed; + struct mutex lock; + int (*async)(struct hsi_msg *msg); + int (*setup)(struct hsi_client *cl); + int (*flush)(struct hsi_client *cl); + int (*start_tx)(struct hsi_client *cl); + int (*stop_tx)(struct hsi_client *cl); + int (*release)(struct hsi_client *cl); + struct list_head clients; + spinlock_t clock; +}; + +#define to_hsi_port(dev) container_of(dev, struct hsi_port, device) +#define hsi_get_port(cl) to_hsi_port((cl)->device.parent) + +void hsi_event(struct hsi_port *port, unsigned int event); +int hsi_claim_port(struct hsi_client *cl, unsigned int share); +void hsi_release_port(struct hsi_client *cl); + +static inline int hsi_port_claimed(struct hsi_client *cl) +{ + return cl->pclaimed; +} + +static inline void hsi_port_set_drvdata(struct hsi_port *port, void *data) +{ + dev_set_drvdata(&port->device, data); +} + +static inline void *hsi_port_drvdata(struct hsi_port *port) +{ + return dev_get_drvdata(&port->device); +} + +/** + * struct hsi_controller - HSI controller device + * @device: Driver model representation of the device + * @owner: Pointer to the module owning the controller + * @id: HSI controller ID + * @num_ports: Number of ports in the HSI controller + * @port: Array of HSI ports + */ +struct hsi_controller { + struct device device; + struct module *owner; + unsigned int id; + unsigned int num_ports; + struct hsi_port *port; +}; + +#define to_hsi_controller(dev) container_of(dev, struct hsi_controller, device) + +struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags); +void hsi_free_controller(struct hsi_controller *hsi); +int hsi_register_controller(struct hsi_controller *hsi); +void hsi_unregister_controller(struct hsi_controller *hsi); + +static inline void hsi_controller_set_drvdata(struct hsi_controller *hsi, + void *data) +{ + dev_set_drvdata(&hsi->device, data); +} + +static inline void *hsi_controller_drvdata(struct hsi_controller *hsi) +{ + return dev_get_drvdata(&hsi->device); +} + +static inline struct hsi_port *hsi_find_port_num(struct hsi_controller *hsi, + unsigned int num) +{ + return (num < hsi->num_ports) ? &hsi->port[num] : NULL; +} + +/* + * API for HSI clients + */ +int hsi_async(struct hsi_client *cl, struct hsi_msg *msg); + +/** + * hsi_id - Get HSI controller ID associated to a client + * @cl: Pointer to a HSI client + * + * Return the controller id where the client is attached to + */ +static inline unsigned int hsi_id(struct hsi_client *cl) +{ + return to_hsi_controller(cl->device.parent->parent)->id; +} + +/** + * hsi_port_id - Gets the port number a client is attached to + * @cl: Pointer to HSI client + * + * Return the port number associated to the client + */ +static inline unsigned int hsi_port_id(struct hsi_client *cl) +{ + return to_hsi_port(cl->device.parent)->num; +} + +/** + * hsi_setup - Configure the client's port + * @cl: Pointer to the HSI client + * + * When sharing ports, clients should either relay on a single + * client setup or have the same setup for all of them. + * + * Return -errno on failure, 0 on success + */ +static inline int hsi_setup(struct hsi_client *cl) +{ + if (!hsi_port_claimed(cl)) + return -EACCES; + return hsi_get_port(cl)->setup(cl); +} + +/** + * hsi_flush - Flush all pending transactions on the client's port + * @cl: Pointer to the HSI client + * + * This function will destroy all pending hsi_msg in the port and reset + * the HW port so it is ready to receive and transmit from a clean state. + * + * Return -errno on failure, 0 on success + */ +static inline int hsi_flush(struct hsi_client *cl) +{ + if (!hsi_port_claimed(cl)) + return -EACCES; + return hsi_get_port(cl)->flush(cl); +} + +/** + * hsi_async_read - Submit a read transfer + * @cl: Pointer to the HSI client + * @msg: HSI message descriptor of the transfer + * + * Return -errno on failure, 0 on success + */ +static inline int hsi_async_read(struct hsi_client *cl, struct hsi_msg *msg) +{ + msg->ttype = HSI_MSG_READ; + return hsi_async(cl, msg); +} + +/** + * hsi_async_write - Submit a write transfer + * @cl: Pointer to the HSI client + * @msg: HSI message descriptor of the transfer + * + * Return -errno on failure, 0 on success + */ +static inline int hsi_async_write(struct hsi_client *cl, struct hsi_msg *msg) +{ + msg->ttype = HSI_MSG_WRITE; + return hsi_async(cl, msg); +} + +/** + * hsi_start_tx - Signal the port that the client wants to start a TX + * @cl: Pointer to the HSI client + * + * Return -errno on failure, 0 on success + */ +static inline int hsi_start_tx(struct hsi_client *cl) +{ + if (!hsi_port_claimed(cl)) + return -EACCES; + return hsi_get_port(cl)->start_tx(cl); +} + +/** + * hsi_stop_tx - Signal the port that the client no longer wants to transmit + * @cl: Pointer to the HSI client + * + * Return -errno on failure, 0 on success + */ +static inline int hsi_stop_tx(struct hsi_client *cl) +{ + if (!hsi_port_claimed(cl)) + return -EACCES; + return hsi_get_port(cl)->stop_tx(cl); +} +#endif /* __LINUX_HSI_H__ */ diff --git a/include/linux/hsi/hsi_char.h b/include/linux/hsi/hsi_char.h new file mode 100644 index 000000000000..76160b4f455d --- /dev/null +++ b/include/linux/hsi/hsi_char.h @@ -0,0 +1,63 @@ +/* + * Part of the HSI character device driver. + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Andras Domokos <andras.domokos at nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + +#ifndef __HSI_CHAR_H +#define __HSI_CHAR_H + +#define HSI_CHAR_MAGIC 'k' +#define HSC_IOW(num, dtype) _IOW(HSI_CHAR_MAGIC, num, dtype) +#define HSC_IOR(num, dtype) _IOR(HSI_CHAR_MAGIC, num, dtype) +#define HSC_IOWR(num, dtype) _IOWR(HSI_CHAR_MAGIC, num, dtype) +#define HSC_IO(num) _IO(HSI_CHAR_MAGIC, num) + +#define HSC_RESET HSC_IO(16) +#define HSC_SET_PM HSC_IO(17) +#define HSC_SEND_BREAK HSC_IO(18) +#define HSC_SET_RX HSC_IOW(19, struct hsc_rx_config) +#define HSC_GET_RX HSC_IOW(20, struct hsc_rx_config) +#define HSC_SET_TX HSC_IOW(21, struct hsc_tx_config) +#define HSC_GET_TX HSC_IOW(22, struct hsc_tx_config) + +#define HSC_PM_DISABLE 0 +#define HSC_PM_ENABLE 1 + +#define HSC_MODE_STREAM 1 +#define HSC_MODE_FRAME 2 +#define HSC_FLOW_SYNC 0 +#define HSC_ARB_RR 0 +#define HSC_ARB_PRIO 1 + +struct hsc_rx_config { + uint32_t mode; + uint32_t flow; + uint32_t channels; +}; + +struct hsc_tx_config { + uint32_t mode; + uint32_t channels; + uint32_t speed; + uint32_t arb_mode; +}; + +#endif /* __HSI_CHAR_H */ diff --git a/include/linux/if_eql.h b/include/linux/if_eql.h index 79c4f268410d..18a5d02a8644 100644 --- a/include/linux/if_eql.h +++ b/include/linux/if_eql.h @@ -22,7 +22,7 @@ #define EQL_DEFAULT_SLAVE_PRIORITY 28800 #define EQL_DEFAULT_MAX_SLAVES 4 #define EQL_DEFAULT_MTU 576 -#define EQL_DEFAULT_RESCHED_IVAL 100 +#define EQL_DEFAULT_RESCHED_IVAL HZ #define EQL_ENSLAVE (SIOCDEVPRIVATE) #define EQL_EMANCIPATE (SIOCDEVPRIVATE + 1) diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h index fa391835508d..c4d2fc194ede 100644 --- a/include/linux/kgdb.h +++ b/include/linux/kgdb.h @@ -63,7 +63,8 @@ enum kgdb_bptype { BP_HARDWARE_BREAKPOINT, BP_WRITE_WATCHPOINT, BP_READ_WATCHPOINT, - BP_ACCESS_WATCHPOINT + BP_ACCESS_WATCHPOINT, + BP_POKE_BREAKPOINT, }; enum kgdb_bpstate { @@ -207,8 +208,8 @@ extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc); /* Optional functions. */ extern int kgdb_validate_break_address(unsigned long addr); -extern int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr); -extern int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle); +extern int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt); +extern int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt); /** * kgdb_arch_late - Perform any architecture specific initalization. diff --git a/include/linux/kmod.h b/include/linux/kmod.h index 9efeae679106..dd99c329e161 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -110,12 +110,29 @@ call_usermodehelper(char *path, char **argv, char **envp, int wait) extern struct ctl_table usermodehelper_table[]; +enum umh_disable_depth { + UMH_ENABLED = 0, + UMH_FREEZING, + UMH_DISABLED, +}; + extern void usermodehelper_init(void); -extern int usermodehelper_disable(void); -extern void usermodehelper_enable(void); -extern bool usermodehelper_is_disabled(void); -extern void read_lock_usermodehelper(void); -extern void read_unlock_usermodehelper(void); +extern int __usermodehelper_disable(enum umh_disable_depth depth); +extern void __usermodehelper_set_disable_depth(enum umh_disable_depth depth); + +static inline int usermodehelper_disable(void) +{ + return __usermodehelper_disable(UMH_DISABLED); +} + +static inline void usermodehelper_enable(void) +{ + __usermodehelper_set_disable_depth(UMH_ENABLED); +} + +extern int usermodehelper_read_trylock(void); +extern long usermodehelper_read_lock_wait(long timeout); +extern void usermodehelper_read_unlock(void); #endif /* __LINUX_KMOD_H__ */ diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h index eab507f2b1cb..fad48aab893b 100644 --- a/include/linux/lsm_audit.h +++ b/include/linux/lsm_audit.h @@ -22,6 +22,23 @@ #include <linux/key.h> #include <linux/skbuff.h> +struct lsm_network_audit { + int netif; + struct sock *sk; + u16 family; + __be16 dport; + __be16 sport; + union { + struct { + __be32 daddr; + __be32 saddr; + } v4; + struct { + struct in6_addr daddr; + struct in6_addr saddr; + } v6; + } fam; +}; /* Auxiliary data to use in generating the audit record. */ struct common_audit_data { @@ -41,23 +58,7 @@ struct common_audit_data { struct path path; struct dentry *dentry; struct inode *inode; - struct { - int netif; - struct sock *sk; - u16 family; - __be16 dport; - __be16 sport; - union { - struct { - __be32 daddr; - __be32 saddr; - } v4; - struct { - struct in6_addr daddr; - struct in6_addr saddr; - } v6; - } fam; - } net; + struct lsm_network_audit *net; int cap; int ipc_id; struct task_struct *tsk; @@ -72,64 +73,15 @@ struct common_audit_data { /* this union contains LSM specific data */ union { #ifdef CONFIG_SECURITY_SMACK - /* SMACK data */ - struct smack_audit_data { - const char *function; - char *subject; - char *object; - char *request; - int result; - } smack_audit_data; + struct smack_audit_data *smack_audit_data; #endif #ifdef CONFIG_SECURITY_SELINUX - /* SELinux data */ - struct { - u32 ssid; - u32 tsid; - u16 tclass; - u32 requested; - u32 audited; - u32 denied; - /* - * auditdeny is a bit tricky and unintuitive. See the - * comments in avc.c for it's meaning and usage. - */ - u32 auditdeny; - struct av_decision *avd; - int result; - } selinux_audit_data; + struct selinux_audit_data *selinux_audit_data; #endif #ifdef CONFIG_SECURITY_APPARMOR - struct { - int error; - int op; - int type; - void *profile; - const char *name; - const char *info; - union { - void *target; - struct { - long pos; - void *target; - } iface; - struct { - int rlim; - unsigned long max; - } rlim; - struct { - const char *target; - u32 request; - u32 denied; - uid_t ouid; - } fs; - }; - } apparmor_audit_data; + struct apparmor_audit_data *apparmor_audit_data; #endif - }; - /* these callback will be implemented by a specific LSM */ - void (*lsm_pre_audit)(struct audit_buffer *, void *); - void (*lsm_post_audit)(struct audit_buffer *, void *); + }; /* per LSM data pointer union */ }; #define v4info fam.v4 @@ -146,6 +98,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb, { memset((_d), 0, sizeof(struct common_audit_data)); \ (_d)->type = LSM_AUDIT_DATA_##_t; } -void common_lsm_audit(struct common_audit_data *a); +void common_lsm_audit(struct common_audit_data *a, + void (*pre_audit)(struct audit_buffer *, void *), + void (*post_audit)(struct audit_buffer *, void *)); #endif diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 1f77540bdc95..5cbaa20f1659 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2604,8 +2604,6 @@ extern void net_disable_timestamp(void); extern void *dev_seq_start(struct seq_file *seq, loff_t *pos); extern void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos); extern void dev_seq_stop(struct seq_file *seq, void *v); -extern int dev_seq_open_ops(struct inode *inode, struct file *file, - const struct seq_operations *ops); #endif extern int netdev_class_create_file(struct class_attribute *class_attr); diff --git a/include/linux/netfilter/xt_set.h b/include/linux/netfilter/xt_set.h index c0405ac92870..e3a9978f259f 100644 --- a/include/linux/netfilter/xt_set.h +++ b/include/linux/netfilter/xt_set.h @@ -58,8 +58,8 @@ struct xt_set_info_target_v1 { struct xt_set_info_target_v2 { struct xt_set_info add_set; struct xt_set_info del_set; - u32 flags; - u32 timeout; + __u32 flags; + __u32 timeout; }; #endif /*_XT_SET_H*/ diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h index d056263545b1..b0f2c56a8ea2 100644 --- a/include/linux/platform_data/atmel.h +++ b/include/linux/platform_data/atmel.h @@ -4,8 +4,8 @@ * GPL v2 Only */ -#ifndef __ATMEL_NAND_H__ -#define __ATMEL_NAND_H__ +#ifndef __ATMEL_H__ +#define __ATMEL_H__ #include <linux/mtd/nand.h> @@ -24,4 +24,4 @@ struct atmel_nand_data { unsigned int num_parts; }; -#endif /* __ATMEL_NAND_H__ */ +#endif /* __ATMEL_H__ */ diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index 2e9191a712f3..233149cb19f4 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -8,6 +8,7 @@ #include <linux/notifier.h> #include <linux/miscdevice.h> #include <linux/device.h> +#include <linux/workqueue.h> enum { PM_QOS_RESERVED = 0, @@ -29,6 +30,7 @@ enum { struct pm_qos_request { struct plist_node node; int pm_qos_class; + struct delayed_work work; /* for pm_qos_update_request_timeout */ }; struct dev_pm_qos_request { @@ -73,6 +75,8 @@ void pm_qos_add_request(struct pm_qos_request *req, int pm_qos_class, s32 value); void pm_qos_update_request(struct pm_qos_request *req, s32 new_value); +void pm_qos_update_request_timeout(struct pm_qos_request *req, + s32 new_value, unsigned long timeout_us); void pm_qos_remove_request(struct pm_qos_request *req); int pm_qos_request(int pm_qos_class); diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 7abb16093312..b02108446be7 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -71,7 +71,7 @@ struct regulator_state { * @uV_offset: Offset applied to voltages from consumer to compensate for * voltage drops. * - * @min_uA: Smallest consumers consumers may set. + * @min_uA: Smallest current consumers may set. * @max_uA: Largest current consumers may set. * * @valid_modes_mask: Mask of modes which may be configured by consumers. @@ -134,10 +134,8 @@ struct regulation_constraints { /** * struct regulator_consumer_supply - supply -> device mapping * - * This maps a supply name to a device. Only one of dev or dev_name - * can be specified. Use of dev_name allows support for buses which - * make struct device available late such as I2C and is the preferred - * form. + * This maps a supply name to a device. Use of dev_name allows support for + * buses which make struct device available late such as I2C. * * @dev_name: Result of dev_name() for the consumer. * @supply: Name for the supply. diff --git a/include/linux/socket.h b/include/linux/socket.h index da2d3e2543f3..b84bbd48b874 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -265,7 +265,7 @@ struct ucred { #define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */ #define MSG_MORE 0x8000 /* Sender will send more */ #define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */ - +#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */ #define MSG_EOF MSG_FIN #define MSG_CMSG_CLOEXEC 0x40000000 /* Set close_on_exit for file diff --git a/include/linux/swap.h b/include/linux/swap.h index 8dc0ea7caf02..b1fd5c7925fe 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -305,6 +305,13 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem) return vm_swappiness; } #endif +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP +extern void mem_cgroup_uncharge_swap(swp_entry_t ent); +#else +static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) +{ +} +#endif #ifdef CONFIG_SWAP /* linux/mm/page_io.c */ extern int swap_readpage(struct page *); @@ -375,13 +382,6 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout) { } #endif -#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP -extern void mem_cgroup_uncharge_swap(swp_entry_t ent); -#else -static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) -{ -} -#endif #else /* CONFIG_SWAP */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 248fb05feb63..83d800c31e3c 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -620,8 +620,10 @@ struct sta_bss_parameters { * @llid: mesh local link id * @plid: mesh peer link id * @plink_state: mesh peer link state - * @signal: signal strength of last received packet in dBm - * @signal_avg: signal strength average in dBm + * @signal: the signal strength, type depends on the wiphy's signal_type + NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. + * @signal_avg: avg signal strength, type depends on the wiphy's signal_type + NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. * @txrate: current unicast bitrate from this station * @rxrate: current unicast bitrate to this station * @rx_packets: packets received from this station diff --git a/include/net/netfilter/xt_log.h b/include/net/netfilter/xt_log.h index 7e1544e8f70d..9d9756cca013 100644 --- a/include/net/netfilter/xt_log.h +++ b/include/net/netfilter/xt_log.h @@ -47,7 +47,7 @@ static void sb_close(struct sbuff *m) if (likely(m != &emergency)) kfree(m); else { - xchg(&emergency_ptr, m); + emergency_ptr = m; local_bh_enable(); } } diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index fbc7b1ad929b..ea7a2035456d 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -295,7 +295,7 @@ TRACE_EVENT(sched_process_exec, TP_fast_assign( __assign_str(filename, bprm->filename); __entry->pid = p->pid; - __entry->old_pid = p->pid; + __entry->old_pid = old_pid; ), TP_printk("filename=%s pid=%d old_pid=%d", __get_str(filename), diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h index 2ea2fdc79c16..4f4d449f00f6 100644 --- a/include/xen/swiotlb-xen.h +++ b/include/xen/swiotlb-xen.h @@ -7,11 +7,13 @@ extern void xen_swiotlb_init(int verbose); extern void *xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size, - dma_addr_t *dma_handle, gfp_t flags); + dma_addr_t *dma_handle, gfp_t flags, + struct dma_attrs *attrs); extern void xen_swiotlb_free_coherent(struct device *hwdev, size_t size, - void *vaddr, dma_addr_t dma_handle); + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs); extern dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, diff --git a/init/Kconfig b/init/Kconfig index 72f33faca44f..6cfd71d06463 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1414,8 +1414,8 @@ endif # MODULES config INIT_ALL_POSSIBLE bool help - Back when each arch used to define their own cpu_online_map and - cpu_possible_map, some of them chose to initialize cpu_possible_map + Back when each arch used to define their own cpu_online_mask and + cpu_possible_mask, some of them chose to initialize cpu_possible_mask with all 1s, and others with all 0s. When they were centralised, it was better to provide this option than to break all the archs and have several arch maintainers pursuing me down dark alleys. diff --git a/kernel/cpuset.c b/kernel/cpuset.c index b96ad75b7e64..14f7070b4ba2 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -270,11 +270,11 @@ static struct file_system_type cpuset_fs_type = { * are online. If none are online, walk up the cpuset hierarchy * until we find one that does have some online cpus. If we get * all the way to the top and still haven't found any online cpus, - * return cpu_online_map. Or if passed a NULL cs from an exit'ing - * task, return cpu_online_map. + * return cpu_online_mask. Or if passed a NULL cs from an exit'ing + * task, return cpu_online_mask. * * One way or another, we guarantee to return some non-empty subset - * of cpu_online_map. + * of cpu_online_mask. * * Call with callback_mutex held. */ @@ -867,7 +867,7 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs, int retval; int is_load_balanced; - /* top_cpuset.cpus_allowed tracks cpu_online_map; it's read-only */ + /* top_cpuset.cpus_allowed tracks cpu_online_mask; it's read-only */ if (cs == &top_cpuset) return -EACCES; @@ -2149,7 +2149,7 @@ void __init cpuset_init_smp(void) * * Description: Returns the cpumask_var_t cpus_allowed of the cpuset * attached to the specified @tsk. Guaranteed to return some non-empty - * subset of cpu_online_map, even if this means going outside the + * subset of cpu_online_mask, even if this means going outside the * tasks cpuset. **/ diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c index 1dc53bae56e1..0557f24c6bca 100644 --- a/kernel/debug/debug_core.c +++ b/kernel/debug/debug_core.c @@ -160,37 +160,39 @@ early_param("nokgdbroundup", opt_nokgdbroundup); * Weak aliases for breakpoint management, * can be overriden by architectures when needed: */ -int __weak kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr) +int __weak kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) { int err; - err = probe_kernel_read(saved_instr, (char *)addr, BREAK_INSTR_SIZE); + err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr, + BREAK_INSTR_SIZE); if (err) return err; - - return probe_kernel_write((char *)addr, arch_kgdb_ops.gdb_bpt_instr, - BREAK_INSTR_SIZE); + err = probe_kernel_write((char *)bpt->bpt_addr, + arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); + return err; } -int __weak kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle) +int __weak kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) { - return probe_kernel_write((char *)addr, - (char *)bundle, BREAK_INSTR_SIZE); + return probe_kernel_write((char *)bpt->bpt_addr, + (char *)bpt->saved_instr, BREAK_INSTR_SIZE); } int __weak kgdb_validate_break_address(unsigned long addr) { - char tmp_variable[BREAK_INSTR_SIZE]; + struct kgdb_bkpt tmp; int err; - /* Validate setting the breakpoint and then removing it. In the + /* Validate setting the breakpoint and then removing it. If the * remove fails, the kernel needs to emit a bad message because we * are deep trouble not being able to put things back the way we * found them. */ - err = kgdb_arch_set_breakpoint(addr, tmp_variable); + tmp.bpt_addr = addr; + err = kgdb_arch_set_breakpoint(&tmp); if (err) return err; - err = kgdb_arch_remove_breakpoint(addr, tmp_variable); + err = kgdb_arch_remove_breakpoint(&tmp); if (err) printk(KERN_ERR "KGDB: Critical breakpoint error, kernel " "memory destroyed at: %lx", addr); @@ -234,7 +236,6 @@ static void kgdb_flush_swbreak_addr(unsigned long addr) */ int dbg_activate_sw_breakpoints(void) { - unsigned long addr; int error; int ret = 0; int i; @@ -243,16 +244,15 @@ int dbg_activate_sw_breakpoints(void) if (kgdb_break[i].state != BP_SET) continue; - addr = kgdb_break[i].bpt_addr; - error = kgdb_arch_set_breakpoint(addr, - kgdb_break[i].saved_instr); + error = kgdb_arch_set_breakpoint(&kgdb_break[i]); if (error) { ret = error; - printk(KERN_INFO "KGDB: BP install failed: %lx", addr); + printk(KERN_INFO "KGDB: BP install failed: %lx", + kgdb_break[i].bpt_addr); continue; } - kgdb_flush_swbreak_addr(addr); + kgdb_flush_swbreak_addr(kgdb_break[i].bpt_addr); kgdb_break[i].state = BP_ACTIVE; } return ret; @@ -301,7 +301,6 @@ int dbg_set_sw_break(unsigned long addr) int dbg_deactivate_sw_breakpoints(void) { - unsigned long addr; int error; int ret = 0; int i; @@ -309,15 +308,14 @@ int dbg_deactivate_sw_breakpoints(void) for (i = 0; i < KGDB_MAX_BREAKPOINTS; i++) { if (kgdb_break[i].state != BP_ACTIVE) continue; - addr = kgdb_break[i].bpt_addr; - error = kgdb_arch_remove_breakpoint(addr, - kgdb_break[i].saved_instr); + error = kgdb_arch_remove_breakpoint(&kgdb_break[i]); if (error) { - printk(KERN_INFO "KGDB: BP remove failed: %lx\n", addr); + printk(KERN_INFO "KGDB: BP remove failed: %lx\n", + kgdb_break[i].bpt_addr); ret = error; } - kgdb_flush_swbreak_addr(addr); + kgdb_flush_swbreak_addr(kgdb_break[i].bpt_addr); kgdb_break[i].state = BP_SET; } return ret; @@ -351,7 +349,6 @@ int kgdb_isremovedbreak(unsigned long addr) int dbg_remove_all_break(void) { - unsigned long addr; int error; int i; @@ -359,12 +356,10 @@ int dbg_remove_all_break(void) for (i = 0; i < KGDB_MAX_BREAKPOINTS; i++) { if (kgdb_break[i].state != BP_ACTIVE) goto setundefined; - addr = kgdb_break[i].bpt_addr; - error = kgdb_arch_remove_breakpoint(addr, - kgdb_break[i].saved_instr); + error = kgdb_arch_remove_breakpoint(&kgdb_break[i]); if (error) printk(KERN_ERR "KGDB: breakpoint remove failed: %lx\n", - addr); + kgdb_break[i].bpt_addr); setundefined: kgdb_break[i].state = BP_UNDEFINED; } diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index 9b5f17da1c56..bb9520f0f6ff 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -743,7 +743,7 @@ kdb_printit: kdb_input_flush(); c = console_drivers; - if (!dbg_io_ops->is_console) { + if (dbg_io_ops && !dbg_io_ops->is_console) { len = strlen(moreprompt); cp = moreprompt; while (len--) { diff --git a/kernel/irq_work.c b/kernel/irq_work.c index c3c46c72046e..0c56d44b9fd5 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -5,6 +5,7 @@ * context. The enqueueing is NMI-safe. */ +#include <linux/bug.h> #include <linux/kernel.h> #include <linux/export.h> #include <linux/irq_work.h> diff --git a/kernel/kmod.c b/kernel/kmod.c index 957a7aab8ebc..05698a7415fe 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -322,7 +322,7 @@ static void __call_usermodehelper(struct work_struct *work) * land has been frozen during a system-wide hibernation or suspend operation). * Should always be manipulated under umhelper_sem acquired for write. */ -static int usermodehelper_disabled = 1; +static enum umh_disable_depth usermodehelper_disabled = UMH_DISABLED; /* Number of helpers running */ static atomic_t running_helpers = ATOMIC_INIT(0); @@ -334,32 +334,110 @@ static atomic_t running_helpers = ATOMIC_INIT(0); static DECLARE_WAIT_QUEUE_HEAD(running_helpers_waitq); /* + * Used by usermodehelper_read_lock_wait() to wait for usermodehelper_disabled + * to become 'false'. + */ +static DECLARE_WAIT_QUEUE_HEAD(usermodehelper_disabled_waitq); + +/* * Time to wait for running_helpers to become zero before the setting of * usermodehelper_disabled in usermodehelper_disable() fails */ #define RUNNING_HELPERS_TIMEOUT (5 * HZ) -void read_lock_usermodehelper(void) +int usermodehelper_read_trylock(void) { + DEFINE_WAIT(wait); + int ret = 0; + down_read(&umhelper_sem); + for (;;) { + prepare_to_wait(&usermodehelper_disabled_waitq, &wait, + TASK_INTERRUPTIBLE); + if (!usermodehelper_disabled) + break; + + if (usermodehelper_disabled == UMH_DISABLED) + ret = -EAGAIN; + + up_read(&umhelper_sem); + + if (ret) + break; + + schedule(); + try_to_freeze(); + + down_read(&umhelper_sem); + } + finish_wait(&usermodehelper_disabled_waitq, &wait); + return ret; +} +EXPORT_SYMBOL_GPL(usermodehelper_read_trylock); + +long usermodehelper_read_lock_wait(long timeout) +{ + DEFINE_WAIT(wait); + + if (timeout < 0) + return -EINVAL; + + down_read(&umhelper_sem); + for (;;) { + prepare_to_wait(&usermodehelper_disabled_waitq, &wait, + TASK_UNINTERRUPTIBLE); + if (!usermodehelper_disabled) + break; + + up_read(&umhelper_sem); + + timeout = schedule_timeout(timeout); + if (!timeout) + break; + + down_read(&umhelper_sem); + } + finish_wait(&usermodehelper_disabled_waitq, &wait); + return timeout; } -EXPORT_SYMBOL_GPL(read_lock_usermodehelper); +EXPORT_SYMBOL_GPL(usermodehelper_read_lock_wait); -void read_unlock_usermodehelper(void) +void usermodehelper_read_unlock(void) { up_read(&umhelper_sem); } -EXPORT_SYMBOL_GPL(read_unlock_usermodehelper); +EXPORT_SYMBOL_GPL(usermodehelper_read_unlock); /** - * usermodehelper_disable - prevent new helpers from being started + * __usermodehelper_set_disable_depth - Modify usermodehelper_disabled. + * depth: New value to assign to usermodehelper_disabled. + * + * Change the value of usermodehelper_disabled (under umhelper_sem locked for + * writing) and wakeup tasks waiting for it to change. */ -int usermodehelper_disable(void) +void __usermodehelper_set_disable_depth(enum umh_disable_depth depth) +{ + down_write(&umhelper_sem); + usermodehelper_disabled = depth; + wake_up(&usermodehelper_disabled_waitq); + up_write(&umhelper_sem); +} + +/** + * __usermodehelper_disable - Prevent new helpers from being started. + * @depth: New value to assign to usermodehelper_disabled. + * + * Set usermodehelper_disabled to @depth and wait for running helpers to exit. + */ +int __usermodehelper_disable(enum umh_disable_depth depth) { long retval; + if (!depth) + return -EINVAL; + down_write(&umhelper_sem); - usermodehelper_disabled = 1; + usermodehelper_disabled = depth; up_write(&umhelper_sem); /* @@ -374,31 +452,10 @@ int usermodehelper_disable(void) if (retval) return 0; - down_write(&umhelper_sem); - usermodehelper_disabled = 0; - up_write(&umhelper_sem); + __usermodehelper_set_disable_depth(UMH_ENABLED); return -EAGAIN; } -/** - * usermodehelper_enable - allow new helpers to be started again - */ -void usermodehelper_enable(void) -{ - down_write(&umhelper_sem); - usermodehelper_disabled = 0; - up_write(&umhelper_sem); -} - -/** - * usermodehelper_is_disabled - check if new helpers are allowed to be started - */ -bool usermodehelper_is_disabled(void) -{ - return usermodehelper_disabled; -} -EXPORT_SYMBOL_GPL(usermodehelper_is_disabled); - static void helper_lock(void) { atomic_inc(&running_helpers); diff --git a/kernel/padata.c b/kernel/padata.c index 6f10eb285ece..89fe3d1b9efb 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -1,6 +1,8 @@ /* * padata.c - generic interface to process data streams in parallel * + * See Documentation/padata.txt for an api documentation. + * * Copyright (C) 2008, 2009 secunet Security Networks AG * Copyright (C) 2008, 2009 Steffen Klassert <steffen.klassert@secunet.com> * @@ -354,13 +356,13 @@ static int padata_setup_cpumasks(struct parallel_data *pd, if (!alloc_cpumask_var(&pd->cpumask.pcpu, GFP_KERNEL)) return -ENOMEM; - cpumask_and(pd->cpumask.pcpu, pcpumask, cpu_active_mask); + cpumask_and(pd->cpumask.pcpu, pcpumask, cpu_online_mask); if (!alloc_cpumask_var(&pd->cpumask.cbcpu, GFP_KERNEL)) { free_cpumask_var(pd->cpumask.cbcpu); return -ENOMEM; } - cpumask_and(pd->cpumask.cbcpu, cbcpumask, cpu_active_mask); + cpumask_and(pd->cpumask.cbcpu, cbcpumask, cpu_online_mask); return 0; } @@ -564,7 +566,7 @@ EXPORT_SYMBOL(padata_unregister_cpumask_notifier); static bool padata_validate_cpumask(struct padata_instance *pinst, const struct cpumask *cpumask) { - if (!cpumask_intersects(cpumask, cpu_active_mask)) { + if (!cpumask_intersects(cpumask, cpu_online_mask)) { pinst->flags |= PADATA_INVALID; return false; } @@ -678,7 +680,7 @@ static int __padata_add_cpu(struct padata_instance *pinst, int cpu) { struct parallel_data *pd; - if (cpumask_test_cpu(cpu, cpu_active_mask)) { + if (cpumask_test_cpu(cpu, cpu_online_mask)) { pd = padata_alloc_pd(pinst, pinst->cpumask.pcpu, pinst->cpumask.cbcpu); if (!pd) @@ -746,6 +748,9 @@ static int __padata_remove_cpu(struct padata_instance *pinst, int cpu) return -ENOMEM; padata_replace(pinst, pd); + + cpumask_clear_cpu(cpu, pd->cpumask.cbcpu); + cpumask_clear_cpu(cpu, pd->cpumask.pcpu); } return 0; diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 0a186cfde788..e09dfbfeecee 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -16,7 +16,6 @@ #include <linux/string.h> #include <linux/device.h> #include <linux/async.h> -#include <linux/kmod.h> #include <linux/delay.h> #include <linux/fs.h> #include <linux/mount.h> @@ -611,14 +610,10 @@ int hibernate(void) if (error) goto Exit; - error = usermodehelper_disable(); - if (error) - goto Exit; - /* Allocate memory management structures */ error = create_basic_memory_bitmaps(); if (error) - goto Enable_umh; + goto Exit; printk(KERN_INFO "PM: Syncing filesystems ... "); sys_sync(); @@ -661,8 +656,6 @@ int hibernate(void) Free_bitmaps: free_basic_memory_bitmaps(); - Enable_umh: - usermodehelper_enable(); Exit: pm_notifier_call_chain(PM_POST_HIBERNATION); pm_restore_console(); @@ -777,15 +770,9 @@ static int software_resume(void) if (error) goto close_finish; - error = usermodehelper_disable(); - if (error) - goto close_finish; - error = create_basic_memory_bitmaps(); - if (error) { - usermodehelper_enable(); + if (error) goto close_finish; - } pr_debug("PM: Preparing processes for restore.\n"); error = freeze_processes(); @@ -806,7 +793,6 @@ static int software_resume(void) thaw_processes(); Done: free_basic_memory_bitmaps(); - usermodehelper_enable(); Finish: pm_notifier_call_chain(PM_POST_RESTORE); pm_restore_console(); diff --git a/kernel/power/process.c b/kernel/power/process.c index 0d2aeb226108..19db29f67558 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -16,6 +16,7 @@ #include <linux/freezer.h> #include <linux/delay.h> #include <linux/workqueue.h> +#include <linux/kmod.h> /* * Timeout for stopping processes @@ -122,6 +123,10 @@ int freeze_processes(void) { int error; + error = __usermodehelper_disable(UMH_FREEZING); + if (error) + return error; + if (!pm_freezing) atomic_inc(&system_freezing_cnt); @@ -130,6 +135,7 @@ int freeze_processes(void) error = try_to_freeze_tasks(true); if (!error) { printk("done."); + __usermodehelper_set_disable_depth(UMH_DISABLED); oom_killer_disable(); } printk("\n"); @@ -187,6 +193,8 @@ void thaw_processes(void) } while_each_thread(g, p); read_unlock(&tasklist_lock); + usermodehelper_enable(); + schedule(); printk("done.\n"); } diff --git a/kernel/power/qos.c b/kernel/power/qos.c index d6d6dbd1ecc0..6a031e684026 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -230,6 +230,21 @@ int pm_qos_request_active(struct pm_qos_request *req) EXPORT_SYMBOL_GPL(pm_qos_request_active); /** + * pm_qos_work_fn - the timeout handler of pm_qos_update_request_timeout + * @work: work struct for the delayed work (timeout) + * + * This cancels the timeout request by falling back to the default at timeout. + */ +static void pm_qos_work_fn(struct work_struct *work) +{ + struct pm_qos_request *req = container_of(to_delayed_work(work), + struct pm_qos_request, + work); + + pm_qos_update_request(req, PM_QOS_DEFAULT_VALUE); +} + +/** * pm_qos_add_request - inserts new qos request into the list * @req: pointer to a preallocated handle * @pm_qos_class: identifies which list of qos request to use @@ -253,6 +268,7 @@ void pm_qos_add_request(struct pm_qos_request *req, return; } req->pm_qos_class = pm_qos_class; + INIT_DELAYED_WORK(&req->work, pm_qos_work_fn); pm_qos_update_target(pm_qos_array[pm_qos_class]->constraints, &req->node, PM_QOS_ADD_REQ, value); } @@ -279,6 +295,9 @@ void pm_qos_update_request(struct pm_qos_request *req, return; } + if (delayed_work_pending(&req->work)) + cancel_delayed_work_sync(&req->work); + if (new_value != req->node.prio) pm_qos_update_target( pm_qos_array[req->pm_qos_class]->constraints, @@ -287,6 +306,34 @@ void pm_qos_update_request(struct pm_qos_request *req, EXPORT_SYMBOL_GPL(pm_qos_update_request); /** + * pm_qos_update_request_timeout - modifies an existing qos request temporarily. + * @req : handle to list element holding a pm_qos request to use + * @new_value: defines the temporal qos request + * @timeout_us: the effective duration of this qos request in usecs. + * + * After timeout_us, this qos request is cancelled automatically. + */ +void pm_qos_update_request_timeout(struct pm_qos_request *req, s32 new_value, + unsigned long timeout_us) +{ + if (!req) + return; + if (WARN(!pm_qos_request_active(req), + "%s called for unknown object.", __func__)) + return; + + if (delayed_work_pending(&req->work)) + cancel_delayed_work_sync(&req->work); + + if (new_value != req->node.prio) + pm_qos_update_target( + pm_qos_array[req->pm_qos_class]->constraints, + &req->node, PM_QOS_UPDATE_REQ, new_value); + + schedule_delayed_work(&req->work, usecs_to_jiffies(timeout_us)); +} + +/** * pm_qos_remove_request - modifies an existing qos request * @req: handle to request list element * @@ -305,6 +352,9 @@ void pm_qos_remove_request(struct pm_qos_request *req) return; } + if (delayed_work_pending(&req->work)) + cancel_delayed_work_sync(&req->work); + pm_qos_update_target(pm_qos_array[req->pm_qos_class]->constraints, &req->node, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 88e5c967370d..396d262b8fd0 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -12,7 +12,6 @@ #include <linux/delay.h> #include <linux/errno.h> #include <linux/init.h> -#include <linux/kmod.h> #include <linux/console.h> #include <linux/cpu.h> #include <linux/syscalls.h> @@ -102,17 +101,12 @@ static int suspend_prepare(void) if (error) goto Finish; - error = usermodehelper_disable(); - if (error) - goto Finish; - error = suspend_freeze_processes(); if (!error) return 0; suspend_stats.failed_freeze++; dpm_save_failed_step(SUSPEND_FREEZE); - usermodehelper_enable(); Finish: pm_notifier_call_chain(PM_POST_SUSPEND); pm_restore_console(); @@ -259,7 +253,6 @@ int suspend_devices_and_enter(suspend_state_t state) static void suspend_finish(void) { suspend_thaw_processes(); - usermodehelper_enable(); pm_notifier_call_chain(PM_POST_SUSPEND); pm_restore_console(); } diff --git a/kernel/power/user.c b/kernel/power/user.c index 33c4329205af..91b0fd021a95 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -12,7 +12,6 @@ #include <linux/suspend.h> #include <linux/syscalls.h> #include <linux/reboot.h> -#include <linux/kmod.h> #include <linux/string.h> #include <linux/device.h> #include <linux/miscdevice.h> @@ -222,14 +221,8 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, sys_sync(); printk("done.\n"); - error = usermodehelper_disable(); - if (error) - break; - error = freeze_processes(); - if (error) - usermodehelper_enable(); - else + if (!error) data->frozen = 1; break; @@ -238,7 +231,6 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, break; pm_restore_gfp_mask(); thaw_processes(); - usermodehelper_enable(); data->frozen = 0; break; diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 52b3a06a02f8..4ab11879aeb4 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -170,7 +170,7 @@ static int proc_taint(struct ctl_table *table, int write, #endif #ifdef CONFIG_PRINTK -static int proc_dmesg_restrict(struct ctl_table *table, int write, +static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); #endif @@ -703,7 +703,7 @@ static struct ctl_table kern_table[] = { .data = &dmesg_restrict, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec_minmax, + .proc_handler = proc_dointvec_minmax_sysadmin, .extra1 = &zero, .extra2 = &one, }, @@ -712,7 +712,7 @@ static struct ctl_table kern_table[] = { .data = &kptr_restrict, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dmesg_restrict, + .proc_handler = proc_dointvec_minmax_sysadmin, .extra1 = &zero, .extra2 = &two, }, @@ -1943,7 +1943,7 @@ static int proc_taint(struct ctl_table *table, int write, } #ifdef CONFIG_PRINTK -static int proc_dmesg_restrict(struct ctl_table *table, int write, +static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { if (write && !capable(CAP_SYS_ADMIN)) diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index cdea7b56b0c9..c0bd0308741c 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -311,13 +311,6 @@ int blk_trace_remove(struct request_queue *q) } EXPORT_SYMBOL_GPL(blk_trace_remove); -static int blk_dropped_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - - return 0; -} - static ssize_t blk_dropped_read(struct file *filp, char __user *buffer, size_t count, loff_t *ppos) { @@ -331,18 +324,11 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer, static const struct file_operations blk_dropped_fops = { .owner = THIS_MODULE, - .open = blk_dropped_open, + .open = simple_open, .read = blk_dropped_read, .llseek = default_llseek, }; -static int blk_msg_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - - return 0; -} - static ssize_t blk_msg_write(struct file *filp, const char __user *buffer, size_t count, loff_t *ppos) { @@ -371,7 +357,7 @@ static ssize_t blk_msg_write(struct file *filp, const char __user *buffer, static const struct file_operations blk_msg_fops = { .owner = THIS_MODULE, - .open = blk_msg_open, + .open = simple_open, .write = blk_msg_write, .llseek = noop_llseek, }; diff --git a/net/802/garp.c b/net/802/garp.c index 8e21b6db3981..a5c224830439 100644 --- a/net/802/garp.c +++ b/net/802/garp.c @@ -167,7 +167,8 @@ static struct garp_attr *garp_attr_lookup(const struct garp_applicant *app, return NULL; } -static void garp_attr_insert(struct garp_applicant *app, struct garp_attr *new) +static struct garp_attr *garp_attr_create(struct garp_applicant *app, + const void *data, u8 len, u8 type) { struct rb_node *parent = NULL, **p = &app->gid.rb_node; struct garp_attr *attr; @@ -176,21 +177,16 @@ static void garp_attr_insert(struct garp_applicant *app, struct garp_attr *new) while (*p) { parent = *p; attr = rb_entry(parent, struct garp_attr, node); - d = garp_attr_cmp(attr, new->data, new->dlen, new->type); + d = garp_attr_cmp(attr, data, len, type); if (d < 0) p = &parent->rb_left; else if (d > 0) p = &parent->rb_right; + else { + /* The attribute already exists; re-use it. */ + return attr; + } } - rb_link_node(&new->node, parent, p); - rb_insert_color(&new->node, &app->gid); -} - -static struct garp_attr *garp_attr_create(struct garp_applicant *app, - const void *data, u8 len, u8 type) -{ - struct garp_attr *attr; - attr = kmalloc(sizeof(*attr) + len, GFP_ATOMIC); if (!attr) return attr; @@ -198,7 +194,9 @@ static struct garp_attr *garp_attr_create(struct garp_applicant *app, attr->type = type; attr->dlen = len; memcpy(attr->data, data, len); - garp_attr_insert(app, attr); + + rb_link_node(&attr->node, parent, p); + rb_insert_color(&attr->node, &app->gid); return attr; } diff --git a/net/core/dev.c b/net/core/dev.c index 5d59155adf2a..c25d453b2803 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1596,6 +1596,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) kfree_skb(skb); return NET_RX_DROP; } + skb->skb_iif = 0; skb_set_dev(skb, dev); skb->tstamp.tv64 = 0; skb->pkt_type = PACKET_HOST; @@ -4027,54 +4028,41 @@ static int dev_ifconf(struct net *net, char __user *arg) #ifdef CONFIG_PROC_FS -#define BUCKET_SPACE (32 - NETDEV_HASHBITS) - -struct dev_iter_state { - struct seq_net_private p; - unsigned int pos; /* bucket << BUCKET_SPACE + offset */ -}; +#define BUCKET_SPACE (32 - NETDEV_HASHBITS - 1) #define get_bucket(x) ((x) >> BUCKET_SPACE) #define get_offset(x) ((x) & ((1 << BUCKET_SPACE) - 1)) #define set_bucket_offset(b, o) ((b) << BUCKET_SPACE | (o)) -static inline struct net_device *dev_from_same_bucket(struct seq_file *seq) +static inline struct net_device *dev_from_same_bucket(struct seq_file *seq, loff_t *pos) { - struct dev_iter_state *state = seq->private; struct net *net = seq_file_net(seq); struct net_device *dev; struct hlist_node *p; struct hlist_head *h; - unsigned int count, bucket, offset; + unsigned int count = 0, offset = get_offset(*pos); - bucket = get_bucket(state->pos); - offset = get_offset(state->pos); - h = &net->dev_name_head[bucket]; - count = 0; + h = &net->dev_name_head[get_bucket(*pos)]; hlist_for_each_entry_rcu(dev, p, h, name_hlist) { - if (count++ == offset) { - state->pos = set_bucket_offset(bucket, count); + if (++count == offset) return dev; - } } return NULL; } -static inline struct net_device *dev_from_new_bucket(struct seq_file *seq) +static inline struct net_device *dev_from_bucket(struct seq_file *seq, loff_t *pos) { - struct dev_iter_state *state = seq->private; struct net_device *dev; unsigned int bucket; - bucket = get_bucket(state->pos); do { - dev = dev_from_same_bucket(seq); + dev = dev_from_same_bucket(seq, pos); if (dev) return dev; - bucket++; - state->pos = set_bucket_offset(bucket, 0); + bucket = get_bucket(*pos) + 1; + *pos = set_bucket_offset(bucket, 1); } while (bucket < NETDEV_HASHENTRIES); return NULL; @@ -4087,33 +4075,20 @@ static inline struct net_device *dev_from_new_bucket(struct seq_file *seq) void *dev_seq_start(struct seq_file *seq, loff_t *pos) __acquires(RCU) { - struct dev_iter_state *state = seq->private; - rcu_read_lock(); if (!*pos) return SEQ_START_TOKEN; - /* check for end of the hash */ - if (state->pos == 0 && *pos > 1) + if (get_bucket(*pos) >= NETDEV_HASHENTRIES) return NULL; - return dev_from_new_bucket(seq); + return dev_from_bucket(seq, pos); } void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos) { - struct net_device *dev; - ++*pos; - - if (v == SEQ_START_TOKEN) - return dev_from_new_bucket(seq); - - dev = dev_from_same_bucket(seq); - if (dev) - return dev; - - return dev_from_new_bucket(seq); + return dev_from_bucket(seq, pos); } void dev_seq_stop(struct seq_file *seq, void *v) @@ -4212,13 +4187,7 @@ static const struct seq_operations dev_seq_ops = { static int dev_seq_open(struct inode *inode, struct file *file) { return seq_open_net(inode, file, &dev_seq_ops, - sizeof(struct dev_iter_state)); -} - -int dev_seq_open_ops(struct inode *inode, struct file *file, - const struct seq_operations *ops) -{ - return seq_open_net(inode, file, ops, sizeof(struct dev_iter_state)); + sizeof(struct seq_net_private)); } static const struct file_operations dev_seq_fops = { diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index 29c07fef9228..626698f0db8b 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -696,7 +696,8 @@ static const struct seq_operations dev_mc_seq_ops = { static int dev_mc_seq_open(struct inode *inode, struct file *file) { - return dev_seq_open_ops(inode, file, &dev_mc_seq_ops); + return seq_open_net(inode, file, &dev_mc_seq_ops, + sizeof(struct seq_net_private)); } static const struct file_operations dev_mc_seq_fops = { diff --git a/net/core/filter.c b/net/core/filter.c index cf4989ac503b..6f755cca4520 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -39,8 +39,11 @@ #include <linux/reciprocal_div.h> #include <linux/ratelimit.h> -/* No hurry in this branch */ -static void *__load_pointer(const struct sk_buff *skb, int k, unsigned int size) +/* No hurry in this branch + * + * Exported for the bpf jit load helper. + */ +void *bpf_internal_load_pointer_neg_helper(const struct sk_buff *skb, int k, unsigned int size) { u8 *ptr = NULL; @@ -59,7 +62,7 @@ static inline void *load_pointer(const struct sk_buff *skb, int k, { if (k >= 0) return skb_header_pointer(skb, k, size, buffer); - return __load_pointer(skb, k, size); + return bpf_internal_load_pointer_neg_helper(skb, k, size); } /** diff --git a/net/core/skbuff.c b/net/core/skbuff.c index f223cdc75da6..baf8d281152c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3161,6 +3161,8 @@ static void sock_rmem_free(struct sk_buff *skb) */ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb) { + int len = skb->len; + if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= (unsigned)sk->sk_rcvbuf) return -ENOMEM; @@ -3175,7 +3177,7 @@ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb) skb_queue_tail(&sk->sk_error_queue, skb); if (!sock_flag(sk, SOCK_DEAD)) - sk->sk_data_ready(sk, skb->len); + sk->sk_data_ready(sk, len); return 0; } EXPORT_SYMBOL(sock_queue_err_skb); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 4dc1c104c942..167ea10b521a 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2041,7 +2041,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, if (err < 0) goto e_err; } - rth = rt_dst_alloc(init_net.loopback_dev, + rth = rt_dst_alloc(dev_net(dev)->loopback_dev, IN_DEV_CONF_GET(in_dev, NOPOLICY), false); if (!rth) goto e_nobufs; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index cfd7edda0a8e..5d54ed30e821 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -860,7 +860,7 @@ wait_for_memory: } out: - if (copied) + if (copied && !(flags & MSG_SENDPAGE_NOTLAST)) tcp_push(sk, flags, mss_now, tp->nonagle); return copied; diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 16c33e308121..b2869cab2092 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -2044,7 +2044,7 @@ static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca, if (!delta) pmc->mca_sfcount[sfmode]--; for (j=0; j<i; j++) - (void) ip6_mc_del1_src(pmc, sfmode, &psfsrc[i]); + ip6_mc_del1_src(pmc, sfmode, &psfsrc[j]); } else if (isexclude != (pmc->mca_sfcount[MCAST_EXCLUDE] != 0)) { struct ip6_sf_list *psf; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 496b62712fe8..3992e26a6039 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -881,6 +881,16 @@ static struct rt6_info *ip6_pol_route_input(struct net *net, struct fib6_table * return ip6_pol_route(net, table, fl6->flowi6_iif, fl6, flags); } +static struct dst_entry *ip6_route_input_lookup(struct net *net, + struct net_device *dev, + struct flowi6 *fl6, int flags) +{ + if (rt6_need_strict(&fl6->daddr) && dev->type != ARPHRD_PIMREG) + flags |= RT6_LOOKUP_F_IFACE; + + return fib6_rule_lookup(net, fl6, flags, ip6_pol_route_input); +} + void ip6_route_input(struct sk_buff *skb) { const struct ipv6hdr *iph = ipv6_hdr(skb); @@ -895,10 +905,7 @@ void ip6_route_input(struct sk_buff *skb) .flowi6_proto = iph->nexthdr, }; - if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG) - flags |= RT6_LOOKUP_F_IFACE; - - skb_dst_set(skb, fib6_rule_lookup(net, &fl6, flags, ip6_pol_route_input)); + skb_dst_set(skb, ip6_route_input_lookup(net, skb->dev, &fl6, flags)); } static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table *table, @@ -2537,7 +2544,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void struct sk_buff *skb; struct rtmsg *rtm; struct flowi6 fl6; - int err, iif = 0; + int err, iif = 0, oif = 0; err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy); if (err < 0) @@ -2564,15 +2571,29 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void iif = nla_get_u32(tb[RTA_IIF]); if (tb[RTA_OIF]) - fl6.flowi6_oif = nla_get_u32(tb[RTA_OIF]); + oif = nla_get_u32(tb[RTA_OIF]); if (iif) { struct net_device *dev; + int flags = 0; + dev = __dev_get_by_index(net, iif); if (!dev) { err = -ENODEV; goto errout; } + + fl6.flowi6_iif = iif; + + if (!ipv6_addr_any(&fl6.saddr)) + flags |= RT6_LOOKUP_F_HAS_SADDR; + + rt = (struct rt6_info *)ip6_route_input_lookup(net, dev, &fl6, + flags); + } else { + fl6.flowi6_oif = oif; + + rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl6); } skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL); @@ -2587,7 +2608,6 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void skb_reset_mac_header(skb); skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr)); - rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl6); skb_dst_set(skb, &rt->dst); err = rt6_fill_node(net, skb, rt, &fl6.daddr, &fl6.saddr, iif, diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 1068f668ac4e..64d3ce5ea1a0 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -49,6 +49,8 @@ static void ieee80211_free_tid_rx(struct rcu_head *h) container_of(h, struct tid_ampdu_rx, rcu_head); int i; + del_timer_sync(&tid_rx->reorder_timer); + for (i = 0; i < tid_rx->buf_size; i++) dev_kfree_skb(tid_rx->reorder_buf[i]); kfree(tid_rx->reorder_buf); @@ -91,7 +93,6 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, tid, WLAN_BACK_RECIPIENT, reason); del_timer_sync(&tid_rx->session_timer); - del_timer_sync(&tid_rx->reorder_timer); call_rcu(&tid_rx->rcu_head, ieee80211_free_tid_rx); } diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index cc5b7a6e7e0b..778e5916d7c3 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -15,12 +15,6 @@ #include "rate.h" #include "debugfs.h" -int mac80211_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_FORMAT_BUFFER_SIZE 100 int mac80211_format_buffer(char __user *userbuf, size_t count, @@ -50,7 +44,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ #define DEBUGFS_READONLY_FILE_OPS(name) \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -93,7 +87,7 @@ static ssize_t reset_write(struct file *file, const char __user *user_buf, static const struct file_operations reset_ops = { .write = reset_write, - .open = mac80211_open_file_generic, + .open = simple_open, .llseek = noop_llseek, }; @@ -254,7 +248,7 @@ static ssize_t stats_ ##name## _read(struct file *file, \ \ static const struct file_operations stats_ ##name## _ops = { \ .read = stats_ ##name## _read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h index 7c87529630f5..9be4e6d71d00 100644 --- a/net/mac80211/debugfs.h +++ b/net/mac80211/debugfs.h @@ -3,7 +3,6 @@ #ifdef CONFIG_MAC80211_DEBUGFS extern void debugfs_hw_add(struct ieee80211_local *local); -extern int mac80211_open_file_generic(struct inode *inode, struct file *file); extern int mac80211_format_buffer(char __user *userbuf, size_t count, loff_t *ppos, char *fmt, ...); #else diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 59edcd95a58d..7932767bb482 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -30,7 +30,7 @@ static ssize_t key_##name##_read(struct file *file, \ #define KEY_OPS(name) \ static const struct file_operations key_ ##name## _ops = { \ .read = key_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } @@ -45,7 +45,7 @@ static const struct file_operations key_ ##name## _ops = { \ #define KEY_CONF_OPS(name) \ static const struct file_operations key_ ##name## _ops = { \ .read = key_conf_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index a32eeda04aa3..30f99c344847 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -135,7 +135,7 @@ static ssize_t ieee80211_if_read_##name(struct file *file, \ static const struct file_operations name##_ops = { \ .read = ieee80211_if_read_##name, \ .write = (_write), \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 6d45804d09bc..832b2da5e4cd 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -33,7 +33,7 @@ static ssize_t sta_ ##name## _read(struct file *file, \ #define STA_OPS(name) \ static const struct file_operations sta_ ##name## _ops = { \ .read = sta_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } @@ -41,7 +41,7 @@ static const struct file_operations sta_ ##name## _ops = { \ static const struct file_operations sta_ ##name## _ops = { \ .read = sta_##name##_read, \ .write = sta_##name##_write, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/main.c b/net/mac80211/main.c index b581a24fa15c..16336480c631 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -102,9 +102,6 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) might_sleep(); - /* If this off-channel logic ever changes, ieee80211_on_oper_channel - * may need to change as well. - */ offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; if (local->scan_channel) { chan = local->scan_channel; diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index b4f7600a3e36..3313c117b322 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -145,7 +145,7 @@ static ssize_t rcname_read(struct file *file, char __user *userbuf, static const struct file_operations rcname_ops = { .read = rcname_read, - .open = mac80211_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; #endif diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 33cd16901378..c70e17677135 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -370,7 +370,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local) */ drv_sw_scan_start(local); - local->leave_oper_channel_time = 0; + local->leave_oper_channel_time = jiffies; local->next_scan_state = SCAN_DECISION; local->scan_channel_idx = 0; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index cbdb754dbb10..3cc4487ac349 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -735,6 +735,7 @@ __nf_conntrack_alloc(struct net *net, u16 zone, #ifdef CONFIG_NF_CONNTRACK_ZONES out_free: + atomic_dec(&net->ct.count); kmem_cache_free(net->ct.nf_conntrack_cachep, ct); return ERR_PTR(-ENOMEM); #endif diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c index 3eb348bfc4fb..d98c868c148b 100644 --- a/net/netfilter/nfnetlink_acct.c +++ b/net/netfilter/nfnetlink_acct.c @@ -10,6 +10,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/skbuff.h> +#include <linux/atomic.h> #include <linux/netlink.h> #include <linux/rculist.h> #include <linux/slab.h> @@ -17,7 +18,6 @@ #include <linux/errno.h> #include <net/netlink.h> #include <net/sock.h> -#include <asm/atomic.h> #include <linux/netfilter.h> #include <linux/netfilter/nfnetlink.h> diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 0c8e43810ce3..59530e93fa58 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -150,6 +150,17 @@ err1: return ret; } +#ifdef CONFIG_NF_CONNTRACK_TIMEOUT +static void __xt_ct_tg_timeout_put(struct ctnl_timeout *timeout) +{ + typeof(nf_ct_timeout_put_hook) timeout_put; + + timeout_put = rcu_dereference(nf_ct_timeout_put_hook); + if (timeout_put) + timeout_put(timeout); +} +#endif + static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par) { struct xt_ct_target_info_v1 *info = par->targinfo; @@ -158,7 +169,9 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par) struct nf_conn *ct; int ret = 0; u8 proto; - +#ifdef CONFIG_NF_CONNTRACK_TIMEOUT + struct ctnl_timeout *timeout; +#endif if (info->flags & ~XT_CT_NOTRACK) return -EINVAL; @@ -216,7 +229,6 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par) #ifdef CONFIG_NF_CONNTRACK_TIMEOUT if (info->timeout) { typeof(nf_ct_timeout_find_get_hook) timeout_find_get; - struct ctnl_timeout *timeout; struct nf_conn_timeout *timeout_ext; rcu_read_lock(); @@ -245,7 +257,7 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par) pr_info("Timeout policy `%s' can only be " "used by L3 protocol number %d\n", info->timeout, timeout->l3num); - goto err4; + goto err5; } /* Make sure the timeout policy matches any existing * protocol tracker, otherwise default to generic. @@ -258,13 +270,13 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par) "used by L4 protocol number %d\n", info->timeout, timeout->l4proto->l4proto); - goto err4; + goto err5; } timeout_ext = nf_ct_timeout_ext_add(ct, timeout, - GFP_KERNEL); + GFP_ATOMIC); if (timeout_ext == NULL) { ret = -ENOMEM; - goto err4; + goto err5; } } else { ret = -ENOENT; @@ -281,8 +293,12 @@ out: info->ct = ct; return 0; +#ifdef CONFIG_NF_CONNTRACK_TIMEOUT +err5: + __xt_ct_tg_timeout_put(timeout); err4: rcu_read_unlock(); +#endif err3: nf_conntrack_free(ct); err2: diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 32bb75324e76..faa48f70b7c9 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -829,12 +829,19 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, return 0; } -int netlink_sendskb(struct sock *sk, struct sk_buff *skb) +static int __netlink_sendskb(struct sock *sk, struct sk_buff *skb) { int len = skb->len; skb_queue_tail(&sk->sk_receive_queue, skb); sk->sk_data_ready(sk, len); + return len; +} + +int netlink_sendskb(struct sock *sk, struct sk_buff *skb) +{ + int len = __netlink_sendskb(sk, skb); + sock_put(sk); return len; } @@ -957,8 +964,7 @@ static int netlink_broadcast_deliver(struct sock *sk, struct sk_buff *skb) if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf && !test_bit(0, &nlk->state)) { skb_set_owner_r(skb, sk); - skb_queue_tail(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); + __netlink_sendskb(sk, skb); return atomic_read(&sk->sk_rmem_alloc) > (sk->sk_rcvbuf >> 1); } return -1; @@ -1698,10 +1704,8 @@ static int netlink_dump(struct sock *sk) if (sk_filter(sk, skb)) kfree_skb(skb); - else { - skb_queue_tail(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); - } + else + __netlink_sendskb(sk, skb); return 0; } @@ -1715,10 +1719,8 @@ static int netlink_dump(struct sock *sk) if (sk_filter(sk, skb)) kfree_skb(skb); - else { - skb_queue_tail(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); - } + else + __netlink_sendskb(sk, skb); if (cb->done) cb->done(cb); diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 9f60008740e3..9726fe684ab8 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -1130,6 +1130,9 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk, int flags = msg->msg_flags; int err, done; + if (len > USHRT_MAX) + return -EMSGSIZE; + if ((msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_NOSIGNAL| MSG_CMSG_COMPAT)) || !(msg->msg_flags & MSG_EOR)) diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c index 1ab8689726ec..906cc05bba63 100644 --- a/net/rose/rose_dev.c +++ b/net/rose/rose_dev.c @@ -95,11 +95,11 @@ static int rose_set_mac_address(struct net_device *dev, void *addr) struct sockaddr *sa = addr; int err; - if (!memcpy(dev->dev_addr, sa->sa_data, dev->addr_len)) + if (!memcmp(dev->dev_addr, sa->sa_data, dev->addr_len)) return 0; if (dev->flags & IFF_UP) { - err = rose_add_loopback_node((rose_address *)dev->dev_addr); + err = rose_add_loopback_node((rose_address *)sa->sa_data); if (err) return err; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 06b42b7f5a02..92ba71dfe080 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4133,9 +4133,10 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len, static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval, int __user *optlen) { - if (len < sizeof(struct sctp_event_subscribe)) + if (len <= 0) return -EINVAL; - len = sizeof(struct sctp_event_subscribe); + if (len > sizeof(struct sctp_event_subscribe)) + len = sizeof(struct sctp_event_subscribe); if (put_user(len, optlen)) return -EFAULT; if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len)) diff --git a/net/socket.c b/net/socket.c index 484cc6953fc6..851edcd6b098 100644 --- a/net/socket.c +++ b/net/socket.c @@ -811,9 +811,9 @@ static ssize_t sock_sendpage(struct file *file, struct page *page, sock = file->private_data; - flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT; - if (more) - flags |= MSG_MORE; + flags = (file->f_flags & O_NONBLOCK) ? MSG_DONTWAIT : 0; + /* more is a combination of MSG_MORE and MSG_SENDPAGE_NOTLAST */ + flags |= more; return kernel_sendpage(sock, page, offset, size, flags); } diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c index 39765bcfb472..920cabe0461b 100644 --- a/net/wireless/debugfs.c +++ b/net/wireless/debugfs.c @@ -13,12 +13,6 @@ #include "core.h" #include "debugfs.h" -static int cfg80211_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ @@ -33,7 +27,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = cfg80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -102,7 +96,7 @@ static ssize_t ht40allow_map_read(struct file *file, static const struct file_operations ht40allow_map_ops = { .read = ht40allow_map_read, - .open = cfg80211_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 4c1eb9472ddb..e49da2797022 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2386,7 +2386,9 @@ nla_put_failure: } static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, - int flags, struct net_device *dev, + int flags, + struct cfg80211_registered_device *rdev, + struct net_device *dev, const u8 *mac_addr, struct station_info *sinfo) { void *hdr; @@ -2425,12 +2427,18 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, if (sinfo->filled & STATION_INFO_PLINK_STATE) NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, sinfo->plink_state); - if (sinfo->filled & STATION_INFO_SIGNAL) - NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, - sinfo->signal); - if (sinfo->filled & STATION_INFO_SIGNAL_AVG) - NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, - sinfo->signal_avg); + switch (rdev->wiphy.signal_type) { + case CFG80211_SIGNAL_TYPE_MBM: + if (sinfo->filled & STATION_INFO_SIGNAL) + NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, + sinfo->signal); + if (sinfo->filled & STATION_INFO_SIGNAL_AVG) + NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, + sinfo->signal_avg); + break; + default: + break; + } if (sinfo->filled & STATION_INFO_TX_BITRATE) { if (!nl80211_put_sta_rate(msg, &sinfo->txrate, NL80211_STA_INFO_TX_BITRATE)) @@ -2523,7 +2531,7 @@ static int nl80211_dump_station(struct sk_buff *skb, if (nl80211_send_station(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, NLM_F_MULTI, - netdev, mac_addr, + dev, netdev, mac_addr, &sinfo) < 0) goto out; @@ -2568,7 +2576,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) return -ENOMEM; if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, - dev, mac_addr, &sinfo) < 0) { + rdev, dev, mac_addr, &sinfo) < 0) { nlmsg_free(msg); return -ENOBUFS; } @@ -7596,7 +7604,8 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, if (!msg) return; - if (nl80211_send_station(msg, 0, 0, 0, dev, mac_addr, sinfo) < 0) { + if (nl80211_send_station(msg, 0, 0, 0, + rdev, dev, mac_addr, sinfo) < 0) { nlmsg_free(msg); return; } diff --git a/scripts/coccinelle/api/simple_open.cocci b/scripts/coccinelle/api/simple_open.cocci new file mode 100644 index 000000000000..05962f7be155 --- /dev/null +++ b/scripts/coccinelle/api/simple_open.cocci @@ -0,0 +1,70 @@ +/// This removes an open coded simple_open() function +/// and replaces file operations references to the function +/// with simple_open() instead. +/// +// Confidence: High +// Comments: +// Options: -no_includes -include_headers + +virtual patch +virtual report + +@ open depends on patch @ +identifier open_f != simple_open; +identifier i, f; +@@ +-int open_f(struct inode *i, struct file *f) +-{ +( +-if (i->i_private) +-f->private_data = i->i_private; +| +-f->private_data = i->i_private; +) +-return 0; +-} + +@ has_open depends on open @ +identifier fops; +identifier open.open_f; +@@ +struct file_operations fops = { +..., +-.open = open_f, ++.open = simple_open, +... +}; + +@ openr depends on report @ +identifier open_f != simple_open; +identifier i, f; +position p; +@@ +int open_f@p(struct inode *i, struct file *f) +{ +( +if (i->i_private) +f->private_data = i->i_private; +| +f->private_data = i->i_private; +) +return 0; +} + +@ has_openr depends on openr @ +identifier fops; +identifier openr.open_f; +position p; +@@ +struct file_operations fops = { +..., +.open = open_f@p, +... +}; + +@script:python@ +pf << openr.p; +ps << has_openr.p; +@@ + +coccilib.report.print_report(pf[0],"WARNING opportunity for simple_open, see also structure on line %s"%(ps[0].line)) diff --git a/scripts/tags.sh b/scripts/tags.sh index 0d6004e20658..cf7b12fee573 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -254,6 +254,6 @@ case "$1" in esac # Remove structure forward declarations. -if [ -n $remove_structs ]; then +if [ -n "$remove_structs" ]; then LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1 fi diff --git a/security/apparmor/audit.c b/security/apparmor/audit.c index 5ff67776a5ad..cc3520d39a78 100644 --- a/security/apparmor/audit.c +++ b/security/apparmor/audit.c @@ -115,23 +115,23 @@ static void audit_pre(struct audit_buffer *ab, void *ca) if (aa_g_audit_header) { audit_log_format(ab, "apparmor="); - audit_log_string(ab, aa_audit_type[sa->aad.type]); + audit_log_string(ab, aa_audit_type[sa->aad->type]); } - if (sa->aad.op) { + if (sa->aad->op) { audit_log_format(ab, " operation="); - audit_log_string(ab, op_table[sa->aad.op]); + audit_log_string(ab, op_table[sa->aad->op]); } - if (sa->aad.info) { + if (sa->aad->info) { audit_log_format(ab, " info="); - audit_log_string(ab, sa->aad.info); - if (sa->aad.error) - audit_log_format(ab, " error=%d", sa->aad.error); + audit_log_string(ab, sa->aad->info); + if (sa->aad->error) + audit_log_format(ab, " error=%d", sa->aad->error); } - if (sa->aad.profile) { - struct aa_profile *profile = sa->aad.profile; + if (sa->aad->profile) { + struct aa_profile *profile = sa->aad->profile; pid_t pid; rcu_read_lock(); pid = rcu_dereference(tsk->real_parent)->pid; @@ -145,9 +145,9 @@ static void audit_pre(struct audit_buffer *ab, void *ca) audit_log_untrustedstring(ab, profile->base.hname); } - if (sa->aad.name) { + if (sa->aad->name) { audit_log_format(ab, " name="); - audit_log_untrustedstring(ab, sa->aad.name); + audit_log_untrustedstring(ab, sa->aad->name); } } @@ -159,10 +159,8 @@ static void audit_pre(struct audit_buffer *ab, void *ca) void aa_audit_msg(int type, struct common_audit_data *sa, void (*cb) (struct audit_buffer *, void *)) { - sa->aad.type = type; - sa->lsm_pre_audit = audit_pre; - sa->lsm_post_audit = cb; - common_lsm_audit(sa); + sa->aad->type = type; + common_lsm_audit(sa, audit_pre, cb); } /** @@ -184,7 +182,7 @@ int aa_audit(int type, struct aa_profile *profile, gfp_t gfp, BUG_ON(!profile); if (type == AUDIT_APPARMOR_AUTO) { - if (likely(!sa->aad.error)) { + if (likely(!sa->aad->error)) { if (AUDIT_MODE(profile) != AUDIT_ALL) return 0; type = AUDIT_APPARMOR_AUDIT; @@ -196,21 +194,21 @@ int aa_audit(int type, struct aa_profile *profile, gfp_t gfp, if (AUDIT_MODE(profile) == AUDIT_QUIET || (type == AUDIT_APPARMOR_DENIED && AUDIT_MODE(profile) == AUDIT_QUIET)) - return sa->aad.error; + return sa->aad->error; if (KILL_MODE(profile) && type == AUDIT_APPARMOR_DENIED) type = AUDIT_APPARMOR_KILL; if (!unconfined(profile)) - sa->aad.profile = profile; + sa->aad->profile = profile; aa_audit_msg(type, sa, cb); - if (sa->aad.type == AUDIT_APPARMOR_KILL) + if (sa->aad->type == AUDIT_APPARMOR_KILL) (void)send_sig_info(SIGKILL, NULL, sa->tsk ? sa->tsk : current); - if (sa->aad.type == AUDIT_APPARMOR_ALLOWED) - return complain_error(sa->aad.error); + if (sa->aad->type == AUDIT_APPARMOR_ALLOWED) + return complain_error(sa->aad->error); - return sa->aad.error; + return sa->aad->error; } diff --git a/security/apparmor/capability.c b/security/apparmor/capability.c index 9982c48def4e..088dba3bf7dc 100644 --- a/security/apparmor/capability.c +++ b/security/apparmor/capability.c @@ -64,11 +64,13 @@ static int audit_caps(struct aa_profile *profile, struct task_struct *task, struct audit_cache *ent; int type = AUDIT_APPARMOR_AUTO; struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, CAP); + sa.aad = &aad; sa.tsk = task; sa.u.cap = cap; - sa.aad.op = OP_CAPABLE; - sa.aad.error = error; + sa.aad->op = OP_CAPABLE; + sa.aad->error = error; if (likely(!error)) { /* test if auditing is being forced */ diff --git a/security/apparmor/file.c b/security/apparmor/file.c index 5d176f2530c9..2f8fcba9ce4b 100644 --- a/security/apparmor/file.c +++ b/security/apparmor/file.c @@ -67,22 +67,22 @@ static void file_audit_cb(struct audit_buffer *ab, void *va) struct common_audit_data *sa = va; uid_t fsuid = current_fsuid(); - if (sa->aad.fs.request & AA_AUDIT_FILE_MASK) { + if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) { audit_log_format(ab, " requested_mask="); - audit_file_mask(ab, sa->aad.fs.request); + audit_file_mask(ab, sa->aad->fs.request); } - if (sa->aad.fs.denied & AA_AUDIT_FILE_MASK) { + if (sa->aad->fs.denied & AA_AUDIT_FILE_MASK) { audit_log_format(ab, " denied_mask="); - audit_file_mask(ab, sa->aad.fs.denied); + audit_file_mask(ab, sa->aad->fs.denied); } - if (sa->aad.fs.request & AA_AUDIT_FILE_MASK) { + if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) { audit_log_format(ab, " fsuid=%d", fsuid); - audit_log_format(ab, " ouid=%d", sa->aad.fs.ouid); + audit_log_format(ab, " ouid=%d", sa->aad->fs.ouid); } - if (sa->aad.fs.target) { + if (sa->aad->fs.target) { audit_log_format(ab, " target="); - audit_log_untrustedstring(ab, sa->aad.fs.target); + audit_log_untrustedstring(ab, sa->aad->fs.target); } } @@ -107,45 +107,47 @@ int aa_audit_file(struct aa_profile *profile, struct file_perms *perms, { int type = AUDIT_APPARMOR_AUTO; struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, NONE); - sa.aad.op = op, - sa.aad.fs.request = request; - sa.aad.name = name; - sa.aad.fs.target = target; - sa.aad.fs.ouid = ouid; - sa.aad.info = info; - sa.aad.error = error; - - if (likely(!sa.aad.error)) { + sa.aad = &aad; + aad.op = op, + aad.fs.request = request; + aad.name = name; + aad.fs.target = target; + aad.fs.ouid = ouid; + aad.info = info; + aad.error = error; + + if (likely(!sa.aad->error)) { u32 mask = perms->audit; if (unlikely(AUDIT_MODE(profile) == AUDIT_ALL)) mask = 0xffff; /* mask off perms that are not being force audited */ - sa.aad.fs.request &= mask; + sa.aad->fs.request &= mask; - if (likely(!sa.aad.fs.request)) + if (likely(!sa.aad->fs.request)) return 0; type = AUDIT_APPARMOR_AUDIT; } else { /* only report permissions that were denied */ - sa.aad.fs.request = sa.aad.fs.request & ~perms->allow; + sa.aad->fs.request = sa.aad->fs.request & ~perms->allow; - if (sa.aad.fs.request & perms->kill) + if (sa.aad->fs.request & perms->kill) type = AUDIT_APPARMOR_KILL; /* quiet known rejects, assumes quiet and kill do not overlap */ - if ((sa.aad.fs.request & perms->quiet) && + if ((sa.aad->fs.request & perms->quiet) && AUDIT_MODE(profile) != AUDIT_NOQUIET && AUDIT_MODE(profile) != AUDIT_ALL) - sa.aad.fs.request &= ~perms->quiet; + sa.aad->fs.request &= ~perms->quiet; - if (!sa.aad.fs.request) - return COMPLAIN_MODE(profile) ? 0 : sa.aad.error; + if (!sa.aad->fs.request) + return COMPLAIN_MODE(profile) ? 0 : sa.aad->error; } - sa.aad.fs.denied = sa.aad.fs.request & ~perms->allow; + sa.aad->fs.denied = sa.aad->fs.request & ~perms->allow; return aa_audit(type, profile, gfp, &sa, file_audit_cb); } diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h index 4ba78c203af1..3868b1e5d5ba 100644 --- a/security/apparmor/include/audit.h +++ b/security/apparmor/include/audit.h @@ -103,7 +103,33 @@ enum aa_ops { }; -/* define a short hand for apparmor_audit_data portion of common_audit_data */ +struct apparmor_audit_data { + int error; + int op; + int type; + void *profile; + const char *name; + const char *info; + union { + void *target; + struct { + long pos; + void *target; + } iface; + struct { + int rlim; + unsigned long max; + } rlim; + struct { + const char *target; + u32 request; + u32 denied; + uid_t ouid; + } fs; + }; +}; + +/* define a short hand for apparmor_audit_data structure */ #define aad apparmor_audit_data void aa_audit_msg(int type, struct common_audit_data *sa, diff --git a/security/apparmor/ipc.c b/security/apparmor/ipc.c index 7ee05c6f3c64..c3da93a5150d 100644 --- a/security/apparmor/ipc.c +++ b/security/apparmor/ipc.c @@ -26,7 +26,7 @@ static void audit_cb(struct audit_buffer *ab, void *va) { struct common_audit_data *sa = va; audit_log_format(ab, " target="); - audit_log_untrustedstring(ab, sa->aad.target); + audit_log_untrustedstring(ab, sa->aad->target); } /** @@ -41,10 +41,12 @@ static int aa_audit_ptrace(struct aa_profile *profile, struct aa_profile *target, int error) { struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, NONE); - sa.aad.op = OP_PTRACE; - sa.aad.target = target; - sa.aad.error = error; + sa.aad = &aad; + aad.op = OP_PTRACE; + aad.target = target; + aad.error = error; return aa_audit(AUDIT_APPARMOR_AUTO, profile, GFP_ATOMIC, &sa, audit_cb); diff --git a/security/apparmor/lib.c b/security/apparmor/lib.c index 9516948041ad..e75829ba0ff9 100644 --- a/security/apparmor/lib.c +++ b/security/apparmor/lib.c @@ -65,8 +65,10 @@ void aa_info_message(const char *str) { if (audit_enabled) { struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, NONE); - sa.aad.info = str; + sa.aad = &aad; + aad.info = str; aa_audit_msg(AUDIT_APPARMOR_STATUS, &sa, NULL); } printk(KERN_INFO "AppArmor: %s\n", str); diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 97ce8fae49b3..ad05d391974d 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -588,10 +588,12 @@ static int apparmor_setprocattr(struct task_struct *task, char *name, error = aa_setprocattr_permipc(args); } else { struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, NONE); - sa.aad.op = OP_SETPROCATTR; - sa.aad.info = name; - sa.aad.error = -EINVAL; + sa.aad = &aad; + aad.op = OP_SETPROCATTR; + aad.info = name; + aad.error = -EINVAL; return aa_audit(AUDIT_APPARMOR_DENIED, __aa_current_profile(), GFP_KERNEL, &sa, NULL); diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 906414383022..f1f7506a464d 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -964,11 +964,13 @@ static int audit_policy(int op, gfp_t gfp, const char *name, const char *info, int error) { struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, NONE); - sa.aad.op = op; - sa.aad.name = name; - sa.aad.info = info; - sa.aad.error = error; + sa.aad = &aad; + aad.op = op; + aad.name = name; + aad.info = info; + aad.error = error; return aa_audit(AUDIT_APPARMOR_STATUS, __aa_current_profile(), gfp, &sa, NULL); diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 25fd51edc8da..deab7c7e8dc0 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -70,13 +70,13 @@ struct aa_ext { static void audit_cb(struct audit_buffer *ab, void *va) { struct common_audit_data *sa = va; - if (sa->aad.iface.target) { - struct aa_profile *name = sa->aad.iface.target; + if (sa->aad->iface.target) { + struct aa_profile *name = sa->aad->iface.target; audit_log_format(ab, " name="); audit_log_untrustedstring(ab, name->base.hname); } - if (sa->aad.iface.pos) - audit_log_format(ab, " offset=%ld", sa->aad.iface.pos); + if (sa->aad->iface.pos) + audit_log_format(ab, " offset=%ld", sa->aad->iface.pos); } /** @@ -94,13 +94,15 @@ static int audit_iface(struct aa_profile *new, const char *name, { struct aa_profile *profile = __aa_current_profile(); struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, NONE); + sa.aad = &aad; if (e) - sa.aad.iface.pos = e->pos - e->start; - sa.aad.iface.target = new; - sa.aad.name = name; - sa.aad.info = info; - sa.aad.error = error; + aad.iface.pos = e->pos - e->start; + aad.iface.target = new; + aad.name = name; + aad.info = info; + aad.error = error; return aa_audit(AUDIT_APPARMOR_STATUS, profile, GFP_KERNEL, &sa, audit_cb); diff --git a/security/apparmor/resource.c b/security/apparmor/resource.c index 72c25a4f2cfd..2fe8613efe33 100644 --- a/security/apparmor/resource.c +++ b/security/apparmor/resource.c @@ -34,7 +34,7 @@ static void audit_cb(struct audit_buffer *ab, void *va) struct common_audit_data *sa = va; audit_log_format(ab, " rlimit=%s value=%lu", - rlim_names[sa->aad.rlim.rlim], sa->aad.rlim.max); + rlim_names[sa->aad->rlim.rlim], sa->aad->rlim.max); } /** @@ -50,12 +50,14 @@ static int audit_resource(struct aa_profile *profile, unsigned int resource, unsigned long value, int error) { struct common_audit_data sa; + struct apparmor_audit_data aad = {0,}; COMMON_AUDIT_DATA_INIT(&sa, NONE); - sa.aad.op = OP_SETRLIMIT, - sa.aad.rlim.rlim = resource; - sa.aad.rlim.max = value; - sa.aad.error = error; + sa.aad = &aad; + aad.op = OP_SETRLIMIT, + aad.rlim.rlim = resource; + aad.rlim.max = value; + aad.error = error; return aa_audit(AUDIT_APPARMOR_AUTO, profile, GFP_KERNEL, &sa, audit_cb); } diff --git a/security/lsm_audit.c b/security/lsm_audit.c index 8b8f0902f6e5..90c129b0102f 100644 --- a/security/lsm_audit.c +++ b/security/lsm_audit.c @@ -49,8 +49,8 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb, if (ih == NULL) return -EINVAL; - ad->u.net.v4info.saddr = ih->saddr; - ad->u.net.v4info.daddr = ih->daddr; + ad->u.net->v4info.saddr = ih->saddr; + ad->u.net->v4info.daddr = ih->daddr; if (proto) *proto = ih->protocol; @@ -64,8 +64,8 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb, if (th == NULL) break; - ad->u.net.sport = th->source; - ad->u.net.dport = th->dest; + ad->u.net->sport = th->source; + ad->u.net->dport = th->dest; break; } case IPPROTO_UDP: { @@ -73,8 +73,8 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb, if (uh == NULL) break; - ad->u.net.sport = uh->source; - ad->u.net.dport = uh->dest; + ad->u.net->sport = uh->source; + ad->u.net->dport = uh->dest; break; } case IPPROTO_DCCP: { @@ -82,16 +82,16 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb, if (dh == NULL) break; - ad->u.net.sport = dh->dccph_sport; - ad->u.net.dport = dh->dccph_dport; + ad->u.net->sport = dh->dccph_sport; + ad->u.net->dport = dh->dccph_dport; break; } case IPPROTO_SCTP: { struct sctphdr *sh = sctp_hdr(skb); if (sh == NULL) break; - ad->u.net.sport = sh->source; - ad->u.net.dport = sh->dest; + ad->u.net->sport = sh->source; + ad->u.net->dport = sh->dest; break; } default: @@ -119,8 +119,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb, ip6 = ipv6_hdr(skb); if (ip6 == NULL) return -EINVAL; - ad->u.net.v6info.saddr = ip6->saddr; - ad->u.net.v6info.daddr = ip6->daddr; + ad->u.net->v6info.saddr = ip6->saddr; + ad->u.net->v6info.daddr = ip6->daddr; ret = 0; /* IPv6 can have several extension header before the Transport header * skip them */ @@ -140,8 +140,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb, if (th == NULL) break; - ad->u.net.sport = th->source; - ad->u.net.dport = th->dest; + ad->u.net->sport = th->source; + ad->u.net->dport = th->dest; break; } case IPPROTO_UDP: { @@ -151,8 +151,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb, if (uh == NULL) break; - ad->u.net.sport = uh->source; - ad->u.net.dport = uh->dest; + ad->u.net->sport = uh->source; + ad->u.net->dport = uh->dest; break; } case IPPROTO_DCCP: { @@ -162,8 +162,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb, if (dh == NULL) break; - ad->u.net.sport = dh->dccph_sport; - ad->u.net.dport = dh->dccph_dport; + ad->u.net->sport = dh->dccph_sport; + ad->u.net->dport = dh->dccph_dport; break; } case IPPROTO_SCTP: { @@ -172,8 +172,8 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb, sh = skb_header_pointer(skb, offset, sizeof(_sctph), &_sctph); if (sh == NULL) break; - ad->u.net.sport = sh->source; - ad->u.net.dport = sh->dest; + ad->u.net->sport = sh->source; + ad->u.net->dport = sh->dest; break; } default: @@ -281,8 +281,8 @@ static void dump_common_audit_data(struct audit_buffer *ab, } break; case LSM_AUDIT_DATA_NET: - if (a->u.net.sk) { - struct sock *sk = a->u.net.sk; + if (a->u.net->sk) { + struct sock *sk = a->u.net->sk; struct unix_sock *u; int len = 0; char *p = NULL; @@ -330,29 +330,29 @@ static void dump_common_audit_data(struct audit_buffer *ab, } } - switch (a->u.net.family) { + switch (a->u.net->family) { case AF_INET: - print_ipv4_addr(ab, a->u.net.v4info.saddr, - a->u.net.sport, + print_ipv4_addr(ab, a->u.net->v4info.saddr, + a->u.net->sport, "saddr", "src"); - print_ipv4_addr(ab, a->u.net.v4info.daddr, - a->u.net.dport, + print_ipv4_addr(ab, a->u.net->v4info.daddr, + a->u.net->dport, "daddr", "dest"); break; case AF_INET6: - print_ipv6_addr(ab, &a->u.net.v6info.saddr, - a->u.net.sport, + print_ipv6_addr(ab, &a->u.net->v6info.saddr, + a->u.net->sport, "saddr", "src"); - print_ipv6_addr(ab, &a->u.net.v6info.daddr, - a->u.net.dport, + print_ipv6_addr(ab, &a->u.net->v6info.daddr, + a->u.net->dport, "daddr", "dest"); break; } - if (a->u.net.netif > 0) { + if (a->u.net->netif > 0) { struct net_device *dev; /* NOTE: we always use init's namespace */ - dev = dev_get_by_index(&init_net, a->u.net.netif); + dev = dev_get_by_index(&init_net, a->u.net->netif); if (dev) { audit_log_format(ab, " netif=%s", dev->name); dev_put(dev); @@ -378,11 +378,15 @@ static void dump_common_audit_data(struct audit_buffer *ab, /** * common_lsm_audit - generic LSM auditing function * @a: auxiliary audit data + * @pre_audit: lsm-specific pre-audit callback + * @post_audit: lsm-specific post-audit callback * * setup the audit buffer for common security information * uses callback to print LSM specific information */ -void common_lsm_audit(struct common_audit_data *a) +void common_lsm_audit(struct common_audit_data *a, + void (*pre_audit)(struct audit_buffer *, void *), + void (*post_audit)(struct audit_buffer *, void *)) { struct audit_buffer *ab; @@ -394,13 +398,13 @@ void common_lsm_audit(struct common_audit_data *a) if (ab == NULL) return; - if (a->lsm_pre_audit) - a->lsm_pre_audit(ab, a); + if (pre_audit) + pre_audit(ab, a); dump_common_audit_data(ab, a); - if (a->lsm_post_audit) - a->lsm_post_audit(ab, a); + if (post_audit) + post_audit(ab, a); audit_log_end(ab); } diff --git a/security/selinux/avc.c b/security/selinux/avc.c index 1a70fa26da72..8ee42b2a5f19 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -436,9 +436,9 @@ static void avc_audit_pre_callback(struct audit_buffer *ab, void *a) { struct common_audit_data *ad = a; audit_log_format(ab, "avc: %s ", - ad->selinux_audit_data.denied ? "denied" : "granted"); - avc_dump_av(ab, ad->selinux_audit_data.tclass, - ad->selinux_audit_data.audited); + ad->selinux_audit_data->slad->denied ? "denied" : "granted"); + avc_dump_av(ab, ad->selinux_audit_data->slad->tclass, + ad->selinux_audit_data->slad->audited); audit_log_format(ab, " for "); } @@ -452,22 +452,25 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a) { struct common_audit_data *ad = a; audit_log_format(ab, " "); - avc_dump_query(ab, ad->selinux_audit_data.ssid, - ad->selinux_audit_data.tsid, - ad->selinux_audit_data.tclass); + avc_dump_query(ab, ad->selinux_audit_data->slad->ssid, + ad->selinux_audit_data->slad->tsid, + ad->selinux_audit_data->slad->tclass); } /* This is the slow part of avc audit with big stack footprint */ static noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass, u32 requested, u32 audited, u32 denied, - struct av_decision *avd, struct common_audit_data *a, + struct common_audit_data *a, unsigned flags) { struct common_audit_data stack_data; + struct selinux_audit_data sad = {0,}; + struct selinux_late_audit_data slad; if (!a) { a = &stack_data; COMMON_AUDIT_DATA_INIT(a, NONE); + a->selinux_audit_data = &sad; } /* @@ -481,15 +484,15 @@ static noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass, (flags & MAY_NOT_BLOCK)) return -ECHILD; - a->selinux_audit_data.tclass = tclass; - a->selinux_audit_data.requested = requested; - a->selinux_audit_data.ssid = ssid; - a->selinux_audit_data.tsid = tsid; - a->selinux_audit_data.audited = audited; - a->selinux_audit_data.denied = denied; - a->lsm_pre_audit = avc_audit_pre_callback; - a->lsm_post_audit = avc_audit_post_callback; - common_lsm_audit(a); + slad.tclass = tclass; + slad.requested = requested; + slad.ssid = ssid; + slad.tsid = tsid; + slad.audited = audited; + slad.denied = denied; + + a->selinux_audit_data->slad = &slad; + common_lsm_audit(a, avc_audit_pre_callback, avc_audit_post_callback); return 0; } @@ -523,7 +526,7 @@ inline int avc_audit(u32 ssid, u32 tsid, if (unlikely(denied)) { audited = denied & avd->auditdeny; /* - * a->selinux_audit_data.auditdeny is TRICKY! Setting a bit in + * a->selinux_audit_data->auditdeny is TRICKY! Setting a bit in * this field means that ANY denials should NOT be audited if * the policy contains an explicit dontaudit rule for that * permission. Take notice that this is unrelated to the @@ -532,15 +535,15 @@ inline int avc_audit(u32 ssid, u32 tsid, * * denied == READ * avd.auditdeny & ACCESS == 0 (not set means explicit rule) - * selinux_audit_data.auditdeny & ACCESS == 1 + * selinux_audit_data->auditdeny & ACCESS == 1 * * We will NOT audit the denial even though the denied * permission was READ and the auditdeny checks were for * ACCESS */ if (a && - a->selinux_audit_data.auditdeny && - !(a->selinux_audit_data.auditdeny & avd->auditdeny)) + a->selinux_audit_data->auditdeny && + !(a->selinux_audit_data->auditdeny & avd->auditdeny)) audited = 0; } else if (result) audited = denied = requested; @@ -551,7 +554,7 @@ inline int avc_audit(u32 ssid, u32 tsid, return slow_avc_audit(ssid, tsid, tclass, requested, audited, denied, - avd, a, flags); + a, flags); } /** diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 28482f9e15b8..d85b793c9321 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1420,6 +1420,7 @@ static int cred_has_capability(const struct cred *cred, int cap, int audit) { struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; struct av_decision avd; u16 sclass; u32 sid = cred_sid(cred); @@ -1427,6 +1428,7 @@ static int cred_has_capability(const struct cred *cred, int rc; COMMON_AUDIT_DATA_INIT(&ad, CAP); + ad.selinux_audit_data = &sad; ad.tsk = current; ad.u.cap = cap; @@ -1492,9 +1494,11 @@ static int inode_has_perm_noadp(const struct cred *cred, unsigned flags) { struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; COMMON_AUDIT_DATA_INIT(&ad, INODE); ad.u.inode = inode; + ad.selinux_audit_data = &sad; return inode_has_perm(cred, inode, perms, &ad, flags); } @@ -1507,9 +1511,11 @@ static inline int dentry_has_perm(const struct cred *cred, { struct inode *inode = dentry->d_inode; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; COMMON_AUDIT_DATA_INIT(&ad, DENTRY); ad.u.dentry = dentry; + ad.selinux_audit_data = &sad; return inode_has_perm(cred, inode, av, &ad, 0); } @@ -1522,9 +1528,11 @@ static inline int path_has_perm(const struct cred *cred, { struct inode *inode = path->dentry->d_inode; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; COMMON_AUDIT_DATA_INIT(&ad, PATH); ad.u.path = *path; + ad.selinux_audit_data = &sad; return inode_has_perm(cred, inode, av, &ad, 0); } @@ -1543,11 +1551,13 @@ static int file_has_perm(const struct cred *cred, struct file_security_struct *fsec = file->f_security; struct inode *inode = file->f_path.dentry->d_inode; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = cred_sid(cred); int rc; COMMON_AUDIT_DATA_INIT(&ad, PATH); ad.u.path = file->f_path; + ad.selinux_audit_data = &sad; if (sid != fsec->sid) { rc = avc_has_perm(sid, fsec->sid, @@ -1577,6 +1587,7 @@ static int may_create(struct inode *dir, struct superblock_security_struct *sbsec; u32 sid, newsid; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; int rc; dsec = dir->i_security; @@ -1587,6 +1598,7 @@ static int may_create(struct inode *dir, COMMON_AUDIT_DATA_INIT(&ad, DENTRY); ad.u.dentry = dentry; + ad.selinux_audit_data = &sad; rc = avc_has_perm(sid, dsec->sid, SECCLASS_DIR, DIR__ADD_NAME | DIR__SEARCH, @@ -1631,6 +1643,7 @@ static int may_link(struct inode *dir, { struct inode_security_struct *dsec, *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); u32 av; int rc; @@ -1640,6 +1653,7 @@ static int may_link(struct inode *dir, COMMON_AUDIT_DATA_INIT(&ad, DENTRY); ad.u.dentry = dentry; + ad.selinux_audit_data = &sad; av = DIR__SEARCH; av |= (kind ? DIR__REMOVE_NAME : DIR__ADD_NAME); @@ -1674,6 +1688,7 @@ static inline int may_rename(struct inode *old_dir, { struct inode_security_struct *old_dsec, *new_dsec, *old_isec, *new_isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); u32 av; int old_is_dir, new_is_dir; @@ -1685,6 +1700,7 @@ static inline int may_rename(struct inode *old_dir, new_dsec = new_dir->i_security; COMMON_AUDIT_DATA_INIT(&ad, DENTRY); + ad.selinux_audit_data = &sad; ad.u.dentry = old_dentry; rc = avc_has_perm(sid, old_dsec->sid, SECCLASS_DIR, @@ -1970,6 +1986,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm) struct task_security_struct *new_tsec; struct inode_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; struct inode *inode = bprm->file->f_path.dentry->d_inode; int rc; @@ -2009,6 +2026,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm) } COMMON_AUDIT_DATA_INIT(&ad, PATH); + ad.selinux_audit_data = &sad; ad.u.path = bprm->file->f_path; if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) @@ -2098,6 +2116,7 @@ static inline void flush_unauthorized_files(const struct cred *cred, struct files_struct *files) { struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; struct file *file, *devnull = NULL; struct tty_struct *tty; struct fdtable *fdt; @@ -2135,6 +2154,7 @@ static inline void flush_unauthorized_files(const struct cred *cred, /* Revalidate access to inherited open files. */ COMMON_AUDIT_DATA_INIT(&ad, INODE); + ad.selinux_audit_data = &sad; spin_lock(&files->file_lock); for (;;) { @@ -2472,6 +2492,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data) { const struct cred *cred = current_cred(); struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; int rc; rc = superblock_doinit(sb, data); @@ -2483,6 +2504,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data) return 0; COMMON_AUDIT_DATA_INIT(&ad, DENTRY); + ad.selinux_audit_data = &sad; ad.u.dentry = sb->s_root; return superblock_has_perm(cred, sb, FILESYSTEM__MOUNT, &ad); } @@ -2491,8 +2513,10 @@ static int selinux_sb_statfs(struct dentry *dentry) { const struct cred *cred = current_cred(); struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; COMMON_AUDIT_DATA_INIT(&ad, DENTRY); + ad.selinux_audit_data = &sad; ad.u.dentry = dentry->d_sb->s_root; return superblock_has_perm(cred, dentry->d_sb, FILESYSTEM__GETATTR, &ad); } @@ -2656,6 +2680,7 @@ static int selinux_inode_permission(struct inode *inode, int mask) { const struct cred *cred = current_cred(); struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 perms; bool from_access; unsigned flags = mask & MAY_NOT_BLOCK; @@ -2668,10 +2693,11 @@ static int selinux_inode_permission(struct inode *inode, int mask) return 0; COMMON_AUDIT_DATA_INIT(&ad, INODE); + ad.selinux_audit_data = &sad; ad.u.inode = inode; if (from_access) - ad.selinux_audit_data.auditdeny |= FILE__AUDIT_ACCESS; + ad.selinux_audit_data->auditdeny |= FILE__AUDIT_ACCESS; perms = file_mask_to_av(inode->i_mode, mask); @@ -2737,6 +2763,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name, struct inode_security_struct *isec = inode->i_security; struct superblock_security_struct *sbsec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 newsid, sid = current_sid(); int rc = 0; @@ -2751,6 +2778,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name, return -EPERM; COMMON_AUDIT_DATA_INIT(&ad, DENTRY); + ad.selinux_audit_data = &sad; ad.u.dentry = dentry; rc = avc_has_perm(sid, isec->sid, isec->sclass, @@ -3345,10 +3373,12 @@ static int selinux_kernel_module_request(char *kmod_name) { u32 sid; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; sid = task_sid(current); COMMON_AUDIT_DATA_INIT(&ad, KMOD); + ad.selinux_audit_data = &sad; ad.u.kmod_name = kmod_name; return avc_has_perm(sid, SECINITSID_KERNEL, SECCLASS_SYSTEM, @@ -3487,8 +3517,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, if (ihlen < sizeof(_iph)) goto out; - ad->u.net.v4info.saddr = ih->saddr; - ad->u.net.v4info.daddr = ih->daddr; + ad->u.net->v4info.saddr = ih->saddr; + ad->u.net->v4info.daddr = ih->daddr; ret = 0; if (proto) @@ -3506,8 +3536,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, if (th == NULL) break; - ad->u.net.sport = th->source; - ad->u.net.dport = th->dest; + ad->u.net->sport = th->source; + ad->u.net->dport = th->dest; break; } @@ -3522,8 +3552,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, if (uh == NULL) break; - ad->u.net.sport = uh->source; - ad->u.net.dport = uh->dest; + ad->u.net->sport = uh->source; + ad->u.net->dport = uh->dest; break; } @@ -3538,8 +3568,8 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, if (dh == NULL) break; - ad->u.net.sport = dh->dccph_sport; - ad->u.net.dport = dh->dccph_dport; + ad->u.net->sport = dh->dccph_sport; + ad->u.net->dport = dh->dccph_dport; break; } @@ -3566,8 +3596,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, if (ip6 == NULL) goto out; - ad->u.net.v6info.saddr = ip6->saddr; - ad->u.net.v6info.daddr = ip6->daddr; + ad->u.net->v6info.saddr = ip6->saddr; + ad->u.net->v6info.daddr = ip6->daddr; ret = 0; nexthdr = ip6->nexthdr; @@ -3587,8 +3617,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, if (th == NULL) break; - ad->u.net.sport = th->source; - ad->u.net.dport = th->dest; + ad->u.net->sport = th->source; + ad->u.net->dport = th->dest; break; } @@ -3599,8 +3629,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, if (uh == NULL) break; - ad->u.net.sport = uh->source; - ad->u.net.dport = uh->dest; + ad->u.net->sport = uh->source; + ad->u.net->dport = uh->dest; break; } @@ -3611,8 +3641,8 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, if (dh == NULL) break; - ad->u.net.sport = dh->dccph_sport; - ad->u.net.dport = dh->dccph_dport; + ad->u.net->sport = dh->dccph_sport; + ad->u.net->dport = dh->dccph_dport; break; } @@ -3632,13 +3662,13 @@ static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad, char *addrp; int ret; - switch (ad->u.net.family) { + switch (ad->u.net->family) { case PF_INET: ret = selinux_parse_skb_ipv4(skb, ad, proto); if (ret) goto parse_error; - addrp = (char *)(src ? &ad->u.net.v4info.saddr : - &ad->u.net.v4info.daddr); + addrp = (char *)(src ? &ad->u.net->v4info.saddr : + &ad->u.net->v4info.daddr); goto okay; #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) @@ -3646,8 +3676,8 @@ static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad, ret = selinux_parse_skb_ipv6(skb, ad, proto); if (ret) goto parse_error; - addrp = (char *)(src ? &ad->u.net.v6info.saddr : - &ad->u.net.v6info.daddr); + addrp = (char *)(src ? &ad->u.net->v6info.saddr : + &ad->u.net->v6info.daddr); goto okay; #endif /* IPV6 */ default: @@ -3721,13 +3751,17 @@ static int sock_has_perm(struct task_struct *task, struct sock *sk, u32 perms) { struct sk_security_struct *sksec = sk->sk_security; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; u32 tsid = task_sid(task); if (sksec->sid == SECINITSID_KERNEL) return 0; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.sk = sk; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->sk = sk; return avc_has_perm(tsid, sksec->sid, sksec->sclass, perms, &ad); } @@ -3805,6 +3839,8 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in char *addrp; struct sk_security_struct *sksec = sk->sk_security; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; struct sockaddr_in *addr4 = NULL; struct sockaddr_in6 *addr6 = NULL; unsigned short snum; @@ -3831,8 +3867,10 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in if (err) goto out; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.sport = htons(snum); - ad.u.net.family = family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->sport = htons(snum); + ad.u.net->family = family; err = avc_has_perm(sksec->sid, sid, sksec->sclass, SOCKET__NAME_BIND, &ad); @@ -3864,13 +3902,15 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in goto out; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.sport = htons(snum); - ad.u.net.family = family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->sport = htons(snum); + ad.u.net->family = family; if (family == PF_INET) - ad.u.net.v4info.saddr = addr4->sin_addr.s_addr; + ad.u.net->v4info.saddr = addr4->sin_addr.s_addr; else - ad.u.net.v6info.saddr = addr6->sin6_addr; + ad.u.net->v6info.saddr = addr6->sin6_addr; err = avc_has_perm(sksec->sid, sid, sksec->sclass, node_perm, &ad); @@ -3897,6 +3937,8 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address, if (sksec->sclass == SECCLASS_TCP_SOCKET || sksec->sclass == SECCLASS_DCCP_SOCKET) { struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; struct sockaddr_in *addr4 = NULL; struct sockaddr_in6 *addr6 = NULL; unsigned short snum; @@ -3922,8 +3964,10 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address, TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.dport = htons(snum); - ad.u.net.family = sk->sk_family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->dport = htons(snum); + ad.u.net->family = sk->sk_family; err = avc_has_perm(sksec->sid, sid, sksec->sclass, perm, &ad); if (err) goto out; @@ -4012,10 +4056,14 @@ static int selinux_socket_unix_stream_connect(struct sock *sock, struct sk_security_struct *sksec_other = other->sk_security; struct sk_security_struct *sksec_new = newsk->sk_security; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; int err; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.sk = other; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->sk = other; err = avc_has_perm(sksec_sock->sid, sksec_other->sid, sksec_other->sclass, @@ -4042,9 +4090,13 @@ static int selinux_socket_unix_may_send(struct socket *sock, struct sk_security_struct *ssec = sock->sk->sk_security; struct sk_security_struct *osec = other->sk->sk_security; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.sk = other->sk; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->sk = other->sk; return avc_has_perm(ssec->sid, osec->sid, osec->sclass, SOCKET__SENDTO, &ad); @@ -4080,11 +4132,15 @@ static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb, struct sk_security_struct *sksec = sk->sk_security; u32 sk_sid = sksec->sid; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; char *addrp; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.netif = skb->skb_iif; - ad.u.net.family = family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->netif = skb->skb_iif; + ad.u.net->family = family; err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL); if (err) return err; @@ -4111,6 +4167,8 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) u16 family = sk->sk_family; u32 sk_sid = sksec->sid; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; char *addrp; u8 secmark_active; u8 peerlbl_active; @@ -4135,8 +4193,10 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) return 0; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.netif = skb->skb_iif; - ad.u.net.family = family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->netif = skb->skb_iif; + ad.u.net->family = family; err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL); if (err) return err; @@ -4471,6 +4531,8 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex, char *addrp; u32 peer_sid; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; u8 secmark_active; u8 netlbl_active; u8 peerlbl_active; @@ -4488,8 +4550,10 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex, return NF_DROP; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.netif = ifindex; - ad.u.net.family = family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->netif = ifindex; + ad.u.net->family = family; if (selinux_parse_skb(skb, &ad, &addrp, 1, NULL) != 0) return NF_DROP; @@ -4576,6 +4640,8 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb, struct sock *sk = skb->sk; struct sk_security_struct *sksec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; char *addrp; u8 proto; @@ -4584,8 +4650,10 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb, sksec = sk->sk_security; COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.netif = ifindex; - ad.u.net.family = family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->netif = ifindex; + ad.u.net->family = family; if (selinux_parse_skb(skb, &ad, &addrp, 0, &proto)) return NF_DROP; @@ -4607,6 +4675,8 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, u32 peer_sid; struct sock *sk; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; + struct lsm_network_audit net = {0,}; char *addrp; u8 secmark_active; u8 peerlbl_active; @@ -4653,8 +4723,10 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, } COMMON_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.netif = ifindex; - ad.u.net.family = family; + ad.selinux_audit_data = &sad; + ad.u.net = &net; + ad.u.net->netif = ifindex; + ad.u.net->family = family; if (selinux_parse_skb(skb, &ad, &addrp, 0, NULL)) return NF_DROP; @@ -4769,11 +4841,13 @@ static int ipc_has_perm(struct kern_ipc_perm *ipc_perms, { struct ipc_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); isec = ipc_perms->security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = ipc_perms->key; return avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad); @@ -4794,6 +4868,7 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq) { struct ipc_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); int rc; @@ -4804,6 +4879,7 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq) isec = msq->q_perm.security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = msq->q_perm.key; rc = avc_has_perm(sid, isec->sid, SECCLASS_MSGQ, @@ -4824,11 +4900,13 @@ static int selinux_msg_queue_associate(struct msg_queue *msq, int msqflg) { struct ipc_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); isec = msq->q_perm.security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = msq->q_perm.key; return avc_has_perm(sid, isec->sid, SECCLASS_MSGQ, @@ -4868,6 +4946,7 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, struct ipc_security_struct *isec; struct msg_security_struct *msec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); int rc; @@ -4889,6 +4968,7 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, } COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = msq->q_perm.key; /* Can this process write to the queue? */ @@ -4913,6 +4993,7 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, struct ipc_security_struct *isec; struct msg_security_struct *msec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = task_sid(target); int rc; @@ -4920,6 +5001,7 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, msec = msg->security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = msq->q_perm.key; rc = avc_has_perm(sid, isec->sid, @@ -4935,6 +5017,7 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp) { struct ipc_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); int rc; @@ -4945,6 +5028,7 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp) isec = shp->shm_perm.security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = shp->shm_perm.key; rc = avc_has_perm(sid, isec->sid, SECCLASS_SHM, @@ -4965,11 +5049,13 @@ static int selinux_shm_associate(struct shmid_kernel *shp, int shmflg) { struct ipc_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); isec = shp->shm_perm.security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = shp->shm_perm.key; return avc_has_perm(sid, isec->sid, SECCLASS_SHM, @@ -5027,6 +5113,7 @@ static int selinux_sem_alloc_security(struct sem_array *sma) { struct ipc_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); int rc; @@ -5037,6 +5124,7 @@ static int selinux_sem_alloc_security(struct sem_array *sma) isec = sma->sem_perm.security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = sma->sem_perm.key; rc = avc_has_perm(sid, isec->sid, SECCLASS_SEM, @@ -5057,11 +5145,13 @@ static int selinux_sem_associate(struct sem_array *sma, int semflg) { struct ipc_security_struct *isec; struct common_audit_data ad; + struct selinux_audit_data sad = {0,}; u32 sid = current_sid(); isec = sma->sem_perm.security; COMMON_AUDIT_DATA_INIT(&ad, IPC); + ad.selinux_audit_data = &sad; ad.u.ipc_id = sma->sem_perm.key; return avc_has_perm(sid, isec->sid, SECCLASS_SEM, diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h index 005a91bcb200..1931370233d7 100644 --- a/security/selinux/include/avc.h +++ b/security/selinux/include/avc.h @@ -47,6 +47,31 @@ struct avc_cache_stats { }; /* + * We only need this data after we have decided to send an audit message. + */ +struct selinux_late_audit_data { + u32 ssid; + u32 tsid; + u16 tclass; + u32 requested; + u32 audited; + u32 denied; + int result; +}; + +/* + * We collect this at the beginning or during an selinux security operation + */ +struct selinux_audit_data { + /* + * auditdeny is a bit tricky and unintuitive. See the + * comments in avc.c for it's meaning and usage. + */ + u32 auditdeny; + struct selinux_late_audit_data *slad; +}; + +/* * AVC operations */ diff --git a/security/smack/smack.h b/security/smack/smack.h index 2ad00657b801..4ede719922ed 100644 --- a/security/smack/smack.h +++ b/security/smack/smack.h @@ -185,6 +185,15 @@ struct smack_known { */ #define SMK_NUM_ACCESS_TYPE 5 +/* SMACK data */ +struct smack_audit_data { + const char *function; + char *subject; + char *object; + char *request; + int result; +}; + /* * Smack audit data; is empty if CONFIG_AUDIT not set * to save some stack @@ -192,6 +201,7 @@ struct smack_known { struct smk_audit_info { #ifdef CONFIG_AUDIT struct common_audit_data a; + struct smack_audit_data sad; #endif }; /* @@ -311,7 +321,16 @@ static inline void smk_ad_init(struct smk_audit_info *a, const char *func, { memset(a, 0, sizeof(*a)); a->a.type = type; - a->a.smack_audit_data.function = func; + a->a.smack_audit_data = &a->sad; + a->a.smack_audit_data->function = func; +} + +static inline void smk_ad_init_net(struct smk_audit_info *a, const char *func, + char type, struct lsm_network_audit *net) +{ + smk_ad_init(a, func, type); + memset(net, 0, sizeof(*net)); + a->a.u.net = net; } static inline void smk_ad_setfield_u_tsk(struct smk_audit_info *a, @@ -337,7 +356,7 @@ static inline void smk_ad_setfield_u_fs_path(struct smk_audit_info *a, static inline void smk_ad_setfield_u_net_sk(struct smk_audit_info *a, struct sock *sk) { - a->a.u.net.sk = sk; + a->a.u.net->sk = sk; } #else /* no AUDIT */ diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c index cc7cb6edba08..c8115f7308f8 100644 --- a/security/smack/smack_access.c +++ b/security/smack/smack_access.c @@ -275,9 +275,9 @@ static inline void smack_str_from_perm(char *string, int access) static void smack_log_callback(struct audit_buffer *ab, void *a) { struct common_audit_data *ad = a; - struct smack_audit_data *sad = &ad->smack_audit_data; + struct smack_audit_data *sad = ad->smack_audit_data; audit_log_format(ab, "lsm=SMACK fn=%s action=%s", - ad->smack_audit_data.function, + ad->smack_audit_data->function, sad->result ? "denied" : "granted"); audit_log_format(ab, " subject="); audit_log_untrustedstring(ab, sad->subject); @@ -310,19 +310,19 @@ void smack_log(char *subject_label, char *object_label, int request, if (result == 0 && (log_policy & SMACK_AUDIT_ACCEPT) == 0) return; - if (a->smack_audit_data.function == NULL) - a->smack_audit_data.function = "unknown"; + sad = a->smack_audit_data; + + if (sad->function == NULL) + sad->function = "unknown"; /* end preparing the audit data */ - sad = &a->smack_audit_data; smack_str_from_perm(request_buffer, request); sad->subject = subject_label; sad->object = object_label; sad->request = request_buffer; sad->result = result; - a->lsm_pre_audit = smack_log_callback; - common_lsm_audit(a); + common_lsm_audit(a, smack_log_callback, NULL); } #else /* #ifdef CONFIG_AUDIT */ void smack_log(char *subject_label, char *object_label, int request, diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index cd667b4089a5..81c03a597112 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1939,16 +1939,17 @@ static int smack_netlabel_send(struct sock *sk, struct sockaddr_in *sap) char *hostsp; struct socket_smack *ssp = sk->sk_security; struct smk_audit_info ad; + struct lsm_network_audit net; rcu_read_lock(); hostsp = smack_host_label(sap); if (hostsp != NULL) { sk_lbl = SMACK_UNLABELED_SOCKET; #ifdef CONFIG_AUDIT - smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET); - ad.a.u.net.family = sap->sin_family; - ad.a.u.net.dport = sap->sin_port; - ad.a.u.net.v4info.daddr = sap->sin_addr.s_addr; + smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); + ad.a.u.net->family = sap->sin_family; + ad.a.u.net->dport = sap->sin_port; + ad.a.u.net->v4info.daddr = sap->sin_addr.s_addr; #endif rc = smk_access(ssp->smk_out, hostsp, MAY_WRITE, &ad); } else { @@ -2808,9 +2809,10 @@ static int smack_unix_stream_connect(struct sock *sock, struct socket_smack *osp = other->sk_security; struct socket_smack *nsp = newsk->sk_security; struct smk_audit_info ad; + struct lsm_network_audit net; int rc = 0; - smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET); + smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); smk_ad_setfield_u_net_sk(&ad, other); if (!capable(CAP_MAC_OVERRIDE)) @@ -2840,9 +2842,10 @@ static int smack_unix_may_send(struct socket *sock, struct socket *other) struct socket_smack *ssp = sock->sk->sk_security; struct socket_smack *osp = other->sk->sk_security; struct smk_audit_info ad; + struct lsm_network_audit net; int rc = 0; - smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET); + smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); smk_ad_setfield_u_net_sk(&ad, other->sk); if (!capable(CAP_MAC_OVERRIDE)) @@ -2990,6 +2993,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) char *csp; int rc; struct smk_audit_info ad; + struct lsm_network_audit net; if (sk->sk_family != PF_INET && sk->sk_family != PF_INET6) return 0; @@ -3007,9 +3011,9 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) netlbl_secattr_destroy(&secattr); #ifdef CONFIG_AUDIT - smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET); - ad.a.u.net.family = sk->sk_family; - ad.a.u.net.netif = skb->skb_iif; + smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); + ad.a.u.net->family = sk->sk_family; + ad.a.u.net->netif = skb->skb_iif; ipv4_skb_to_auditdata(skb, &ad.a, NULL); #endif /* @@ -3152,6 +3156,7 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb, char *sp; int rc; struct smk_audit_info ad; + struct lsm_network_audit net; /* handle mapped IPv4 packets arriving via IPv6 sockets */ if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP)) @@ -3166,9 +3171,9 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb, netlbl_secattr_destroy(&secattr); #ifdef CONFIG_AUDIT - smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_NET); - ad.a.u.net.family = family; - ad.a.u.net.netif = skb->skb_iif; + smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); + ad.a.u.net->family = family; + ad.a.u.net->netif = skb->skb_iif; ipv4_skb_to_auditdata(skb, &ad.a, NULL); #endif /* diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c index afbabf427f27..3fea5a15ffe8 100644 --- a/sound/soc/fsl/mpc8610_hpcd.c +++ b/sound/soc/fsl/mpc8610_hpcd.c @@ -58,9 +58,9 @@ static int mpc8610_hpcd_machine_probe(struct snd_soc_card *card) { struct mpc8610_hpcd_data *machine_data = container_of(card, struct mpc8610_hpcd_data, card); - struct ccsr_guts_86xx __iomem *guts; + struct ccsr_guts __iomem *guts; - guts = ioremap(guts_phys, sizeof(struct ccsr_guts_86xx)); + guts = ioremap(guts_phys, sizeof(struct ccsr_guts)); if (!guts) { dev_err(card->dev, "could not map global utilities\n"); return -ENOMEM; @@ -142,9 +142,9 @@ static int mpc8610_hpcd_machine_remove(struct snd_soc_card *card) { struct mpc8610_hpcd_data *machine_data = container_of(card, struct mpc8610_hpcd_data, card); - struct ccsr_guts_86xx __iomem *guts; + struct ccsr_guts __iomem *guts; - guts = ioremap(guts_phys, sizeof(struct ccsr_guts_86xx)); + guts = ioremap(guts_phys, sizeof(struct ccsr_guts)); if (!guts) { dev_err(card->dev, "could not map global utilities\n"); return -ENOMEM; diff --git a/sound/soc/fsl/p1022_ds.c b/sound/soc/fsl/p1022_ds.c index 46623405a2ce..982a1c944983 100644 --- a/sound/soc/fsl/p1022_ds.c +++ b/sound/soc/fsl/p1022_ds.c @@ -46,7 +46,7 @@ * ch: The channel on the DMA controller (0, 1, 2, or 3) * device: The device to set as the target (CCSR_GUTS_DMUXCR_xxx) */ -static inline void guts_set_dmuxcr(struct ccsr_guts_85xx __iomem *guts, +static inline void guts_set_dmuxcr(struct ccsr_guts __iomem *guts, unsigned int co, unsigned int ch, unsigned int device) { unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch)); @@ -90,9 +90,9 @@ static int p1022_ds_machine_probe(struct snd_soc_card *card) { struct machine_data *mdata = container_of(card, struct machine_data, card); - struct ccsr_guts_85xx __iomem *guts; + struct ccsr_guts __iomem *guts; - guts = ioremap(guts_phys, sizeof(struct ccsr_guts_85xx)); + guts = ioremap(guts_phys, sizeof(struct ccsr_guts)); if (!guts) { dev_err(card->dev, "could not map global utilities\n"); return -ENOMEM; @@ -164,9 +164,9 @@ static int p1022_ds_machine_remove(struct snd_soc_card *card) { struct machine_data *mdata = container_of(card, struct machine_data, card); - struct ccsr_guts_85xx __iomem *guts; + struct ccsr_guts __iomem *guts; - guts = ioremap(guts_phys, sizeof(struct ccsr_guts_85xx)); + guts = ioremap(guts_phys, sizeof(struct ccsr_guts)); if (!guts) { dev_err(card->dev, "could not map global utilities\n"); return -ENOMEM; diff --git a/sound/soc/imx/imx-audmux.c b/sound/soc/imx/imx-audmux.c index 601df809a26a..1765a197acb0 100644 --- a/sound/soc/imx/imx-audmux.c +++ b/sound/soc/imx/imx-audmux.c @@ -40,12 +40,6 @@ static void __iomem *audmux_base; #ifdef CONFIG_DEBUG_FS static struct dentry *audmux_debugfs_root; -static int audmux_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - /* There is an annoying discontinuity in the SSI numbering with regard * to the Linux number of the devices */ static const char *audmux_port_string(int port) @@ -142,7 +136,7 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, } static const struct file_operations audmux_debugfs_fops = { - .open = audmux_open_file, + .open = simple_open, .read = audmux_read_file, .llseek = default_llseek, }; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index a4deebc0801a..e19c24ade414 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -201,12 +201,6 @@ static ssize_t pmdown_time_set(struct device *dev, static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); #ifdef CONFIG_DEBUG_FS -static int codec_reg_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -264,7 +258,7 @@ static ssize_t codec_reg_write_file(struct file *file, } static const struct file_operations codec_reg_fops = { - .open = codec_reg_open_file, + .open = simple_open, .read = codec_reg_read_file, .write = codec_reg_write_file, .llseek = default_llseek, diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 6241490fff30..5cbd2d7623b8 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1544,12 +1544,6 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event) } #ifdef CONFIG_DEBUG_FS -static int dapm_widget_power_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t dapm_widget_power_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -1613,17 +1607,11 @@ static ssize_t dapm_widget_power_read_file(struct file *file, } static const struct file_operations dapm_widget_power_fops = { - .open = dapm_widget_power_open_file, + .open = simple_open, .read = dapm_widget_power_read_file, .llseek = default_llseek, }; -static int dapm_bias_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1654,7 +1642,7 @@ static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf, } static const struct file_operations dapm_bias_fops = { - .open = dapm_bias_open_file, + .open = simple_open, .read = dapm_bias_read_file, .llseek = default_llseek, }; |