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2016-05-04ARM: dts: am437x: Fix GPMC dma propertiesFranklin S Cooper Jr
commit 883cbc901b570625f54250a37b008d3635f1fbda upstream. This patch updates the GPMC's DT DMA property to reflect the updated eDMA bindings. Fixes: cce1ee000187 ("ARM: DTS: am437x: Use the new DT bindings for the eDMA3") Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com> Acked-by: Roger Quadros <rogerq@ti.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: dts: am33xx: Fix GPMC dma propertiesFranklin S Cooper Jr
commit a2abf904a6b594b93c0e73a36c98ecbaa7388463 upstream. This patch updates the GPMC's DT DMA property to reflect the updated eDMA bindings. Fixes: b5e509066074 ("ARM: DTS: am33xx: Use the new DT bindings for the eDMA3") Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com> Acked-by: Roger Quadros <rogerq@ti.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: dts: pxa: fix dma engine node to pxa3xx-nandRobert Jarzmik
commit 07c6b2d01d351f0512ed7145625265e435ab3240 upstream. Since the switch from mmp_pdma to pxa_dma driver for pxa architectures, the pxa_dma requires 2 arguments, namely the requestor line and the requested priority. Fix the only left device node which was still passing only one argument, making the pxa3xx-nand driver misbehave in a device-tree configuration, ie. failing all data transfers. Fixes: c943646d1f49 ("ARM: dts: pxa: add dma engine node to pxa3xx-nand") Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: dts: armada-375: use armada-370-sata for SATALior Amsalem
commit b3a7f31eb7375633cd6a742f19488fc5a4208b36 upstream. The Armada 375 has the same SATA IP as Armada 370 and Armada XP, which requires the PHY speed to be set in the LP_PHY_CTL register for SATA hotplug to work. Therefore, this commit updates the compatible string used to describe the SATA IP in Armada 375 from marvell,orion-sata to marvell,armada-370-sata. Fixes: 4de59085091f753d08c8429d756b46756ab94665 ("ARM: mvebu: add Device Tree description of the Armada 375 SoC") Signed-off-by: Lior Amsalem <alior@marvell.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: EXYNOS: select THERMAL_OFArnd Bergmann
commit dc7eb9d589e595954792cc192bcbb92932e5c2ff upstream. We cannot select a symbol that has disabled dependencies, so we get a warning if we ever enable EXYNOS_THERMAL without also turning on THERMAL_OF: warning: (ARCH_EXYNOS) selects EXYNOS_THERMAL which has unmet direct dependencies (THERMAL && (ARCH_EXYNOS || COMPILE_TEST) && THERMAL_OF) This adds another 'select' in the platform code to avoid that case. Alternatively, we could decide to not select EXYNOS_THERMAL here and instead make it a user option. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: f87e6bd3f740 ("thermal: exynos: Add the dependency of CONFIG_THERMAL_OF instead of CONFIG_OF") Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: prima2: always enable reset controllerArnd Bergmann
commit ef2b1d777d643af227a22309d8b79898b90b123c upstream. The atlas7 clock controller driver registers a reset controller for itself, which causes a link error when the subsystem is disabled: drivers/built-in.o: In function `atlas7_clk_init': drivers/clk/sirf/clk-atlas7.c:1681: undefined reference to `reset_controller_register' As the clk driver does not have a Kconfig symbol for itself but it always built-in when the platform is enabled, we have to ensure that the reset controller subsystem is also built-in in this case. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Fixes: 301c5d29402e ("clk: sirf: add CSR atlas7 clk and reset support") Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: OMAP3: Add cpuidle parameters table for omap3430Pali Rohár
commit 98f42221501353067251fbf11e732707dbb68ce3 upstream. Based on CPU type choose generic omap3 or omap3430 specific cpuidle parameters. Parameters for omap3430 were measured on Nokia N900 device and added by commit 5a1b1d3a9efa ("OMAP3: RX-51: Pass cpu idle parameters") which were later removed by commit 231900afba52 ("ARM: OMAP3: cpuidle - remove rx51 cpuidle parameters table") due to huge code complexity. This patch brings cpuidle parameters for omap3430 devices again, but uses simple condition based on CPU type. Fixes: 231900afba52 ("ARM: OMAP3: cpuidle - remove rx51 cpuidle parameters table") Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: OMAP2+: hwmod: Fix updating of sysconfig registerLokesh Vutla
commit 3ca4a238106dedc285193ee47f494a6584b6fd2f upstream. Commit 127500ccb766f ("ARM: OMAP2+: Only write the sysconfig on idle when necessary") talks about verification of sysconfig cache value before updating it, only during idle path. But the patch is adding the verification in the enable path. So, adding the check in a proper place as per the commit description. Not keeping this check during enable path as there is a chance of losing context and it is safe to do on idle as the context of the register will never be lost while the device is active. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-by: Tero Kristo <t-kristo@ti.com> Cc: Jon Hunter <jonathanh@nvidia.com> Fixes: commit 127500ccb766 "ARM: OMAP2+: Only write the sysconfig on idle when necessary" [paul@pwsan.com: appears to have been caused by my own mismerge of the originally posted patch] Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: OMAP2: Fix up interconnect barrier initialization for DRA7Nishanth Menon
commit 456e8d53482537616899a146b706eccd095404e6 upstream. The following commits: commit 3fa609755c11 ("ARM: omap2: restore OMAP4 barrier behaviour") commit f746929ffdc8 ("Revert "ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688"") and commit ea827ad5ffbb ("ARM: DRA7: Provide proper IO map table") came in around the same time, unfortunately this seem to have missed initializing the barrier for DRA7 platforms - omap5_map_io was reused for dra7 till it was split out by the last patch. barrier_init needs to be hence carried forward as it is valid for DRA7 family of processors as they are for OMAP5. Fixes: ea827ad5ffbb7 ("ARM: DRA7: Provide proper IO map table") Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: mvebu: Correct unit address for linksysPatrick Uiterwijk
commit 199831c77c50e6913e893b6bc268ba9f4a9a2bf8 upstream. The USB2 port for Armada 38x is defined to be at 58000, not at 50000. Fixes: 2d0a7addbd10 ("ARM: Kirkwood: Add support for many Synology NAS devices") Signed-off-by: Patrick Uiterwijk <patrick@puiterwijk.org> Acked-by: Imre Kaloz <kaloz@openwrt.org> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: dts: am43xx: fix edma memcpy channel allocationTero Kristo
commit d41676ddddef27224a398609d874055866694cfa upstream. EDMA was allocating DMA channels 32 and 33 for memcpy usage, out of which channel 33 is actually used by DES crypto engine. This bad allocation of the channel causes a crash in the DES crypto engine, as the channel gets configured for memcpy usage instead of hardware <-> memory DMA. Fixed by allocating DMA channels 58 and 59 for memcpy usage (I2C0 RX/TX), which are not used by anybody. Fixes: cce1ee000187 ("ARM: DTS: am437x: Use the new DT bindings for the eDMA3") Signed-off-by: Tero Kristo <t-kristo@ti.com> Suggested-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-04ARM: dts: AM43x-epos: Fix clk parent for synctimerLokesh Vutla
commit cfe1580a6415bc37fd62d79eb8102a618f7650b2 upstream. commit 55ee7017ee31 ("arm: omap2: board-generic: use omap4_local_timer_init for AM437x") makes synctimer32k as the clocksource on AM43xx. By default the synctimer32k is clocked by 32K RTC OSC on AM43xx. But this 32K RTC OSC is not available on epos boards which makes it fail to boot. Synctimer32k can also be clocked by a peripheral PLL, so making this as clock parent for synctimer3k on epos boards. Fixes: 55ee7017ee31 ("arm: omap2: board-generic: use omap4_local_timer_init for AM437x") Reported-by: Nishanth Menon <nm@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-20ARM: 8550/1: protect idiv patching against undefined gcc behaviorNicolas Pitre
commit 208fae5c3b9431013ad7bcea07cbcee114e7d163 upstream. It was reported that a kernel with CONFIG_ARM_PATCH_IDIV=y stopped booting when compiled with the upcoming gcc 6. Turns out that turning a function address into a writable array is undefined and gcc 6 decided it was OK to omit the store to the first word of the function while still preserving the store to the second word. Even though gcc 6 is now fixed to behave more coherently, it is a mystery that gcc 4 and gcc 5 actually produce wanted code in the kernel. And in fact the reduced test case to illustrate the issue does indeed break with gcc < 6 as well. In any case, let's guard the kernel against undefined compiler behavior by hiding the nature of the array location as suggested by gcc developers. Reference: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70128 Signed-off-by: Nicolas Pitre <nico@linaro.org> Reported-by: Marcin Juszkiewicz <mjuszkiewicz@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-12ARM: dts: at91: sama5d4 Xplained: don't disable hsmci regulatorLudovic Desroches
commit b02acd4e62602a6ab307da84388a16bf60106c48 upstream. If enabling the hsmci regulator on card detection, the board can reboot on sd card insertion. Keeping the regulator always enabled fixes this issue. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Fixes: 8d545f32bd77 ("ARM: at91/dt: sama5d4 xplained: add regulators for v(q)mmc1 supplies") Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-12ARM: dts: at91: sama5d3 Xplained: don't disable hsmci regulatorLudovic Desroches
commit ae3fc8ea08e405682f1fa959f94b6e4126afbc1b upstream. If enabling the hsmci regulator on card detection, the board can reboot on sd card insertion. Keeping the regulator always enabled fixes this issue. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Fixes: 1b53e3416dd0 ("ARM: at91/dt: sama5d3 xplained: add fixed regulator for vmmc0") Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-11Merge tag 'armsoc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Two more fixes for 4.5: - One is a fix for OMAP that is urgently needed to avoid DRA7xx chips from premature aging, by always keeping the Ethernet clock enabled. - The other solves a I/O memory layout issue on Armada, where SROM and PCI memory windows were conflicting in some configurations" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: mvebu: fix overlap of Crypto SRAM with PCIe memory window ARM: dts: dra7: do not gate cpsw clock due to errata i877 ARM: OMAP2+: hwmod: Introduce ti,no-idle dt property
2016-03-11ARM: mvebu: fix overlap of Crypto SRAM with PCIe memory windowThomas Petazzoni
When the Crypto SRAM mappings were added to the Device Tree files describing the Armada XP boards in commit c466d997bb16 ("ARM: mvebu: define crypto SRAM ranges for all armada-xp boards"), the fact that those mappings were overlaping with the PCIe memory aperture was overlooked. Due to this, we currently have for all Armada XP platforms a situation that looks like this: Memory mapping on Armada XP boards with internal registers at 0xf1000000: - 0x00000000 -> 0xf0000000 3.75G RAM - 0xf0000000 -> 0xf1000000 16M NOR flashes (AXP GP / AXP DB) - 0xf1000000 -> 0xf1100000 1M internal registers - 0xf8000000 -> 0xffe0000 126M PCIe memory aperture - 0xf8100000 -> 0xf8110000 64KB Crypto SRAM #0 => OVERLAPS WITH PCIE ! - 0xf8110000 -> 0xf8120000 64KB Crypto SRAM #1 => OVERLAPS WITH PCIE ! - 0xffe00000 -> 0xfff00000 1M PCIe I/O aperture - 0xfff0000 -> 0xffffffff 1M BootROM The overlap means that when PCIe devices are added, depending on their memory window needs, they might or might not be mapped into the physical address space. Indeed, they will not be mapped if the area allocated in the PCIe memory aperture by the PCI core overlaps with one of the Crypto SRAM. Typically, a Intel IGB PCIe NIC that needs 8MB of PCIe memory will see its PCIe memory window allocated from 0xf80000000 for 8MB, which overlaps with the Crypto SRAM windows. Due to this, the PCIe window is not created, and any attempt to access the PCIe window makes the kernel explode: [ 3.302213] igb: Copyright (c) 2007-2014 Intel Corporation. [ 3.307841] pci 0000:00:09.0: enabling device (0140 -> 0143) [ 3.313539] mvebu_mbus: cannot add window '4:f8', conflicts with another window [ 3.320870] mvebu-pcie soc:pcie-controller: Could not create MBus window at [mem 0xf8000000-0xf87fffff]: -22 [ 3.330811] Unhandled fault: external abort on non-linefetch (0x1008) at 0xf08c0018 This problem does not occur on Armada 370 boards, because we use the following memory mapping (for boards that have internal registers at 0xf1000000): - 0x00000000 -> 0xf0000000 3.75G RAM - 0xf0000000 -> 0xf1000000 16M NOR flashes (AXP GP / AXP DB) - 0xf1000000 -> 0xf1100000 1M internal registers - 0xf1100000 -> 0xf1110000 64KB Crypto SRAM #0 => OK ! - 0xf8000000 -> 0xffe0000 126M PCIe memory - 0xffe00000 -> 0xfff00000 1M PCIe I/O - 0xfff0000 -> 0xffffffff 1M BootROM Obviously, the solution is to align the location of the Crypto SRAM mappings of Armada XP to be similar with the ones on Armada 370, i.e have them between the "internal registers" area and the beginning of the PCIe aperture. However, we have a special case with the OpenBlocks AX3-4 platform, which has a 128 MB NOR flash. Currently, this NOR flash is mapped from 0xf0000000 to 0xf8000000. This is possible because on OpenBlocks AX3-4, the internal registers are not at 0xf1000000. And this explains why the Crypto SRAM mappings were not configured at the same place on Armada XP. Hence, the solution is two-fold: (1) Move the NOR flash mapping on Armada XP OpenBlocks AX3-4 from 0xe8000000 to 0xf0000000. This frees the 0xf0000000 -> 0xf80000000 space. (2) Move the Crypto SRAM mappings on Armada XP to be similar to Armada 370 (except of course that Armada XP has two Crypto SRAM and not one). After this patch, the memory mapping on Armada XP boards with registers at 0xf1 is: - 0x00000000 -> 0xf0000000 3.75G RAM - 0xf0000000 -> 0xf1000000 16M NOR flashes (AXP GP / AXP DB) - 0xf1000000 -> 0xf1100000 1M internal registers - 0xf1100000 -> 0xf1110000 64KB Crypto SRAM #0 - 0xf1110000 -> 0xf1120000 64KB Crypto SRAM #1 - 0xf8000000 -> 0xffe0000 126M PCIe memory - 0xffe00000 -> 0xfff00000 1M PCIe I/O - 0xfff0000 -> 0xffffffff 1M BootROM And the memory mapping for the special case of the OpenBlocks AX3-4 (internal registers at 0xd0000000, NOR of 128 MB): - 0x00000000 -> 0xc0000000 3G RAM - 0xd0000000 -> 0xd1000000 1M internal registers - 0xe800000 -> 0xf0000000 128M NOR flash - 0xf1100000 -> 0xf1110000 64KB Crypto SRAM #0 - 0xf1110000 -> 0xf1120000 64KB Crypto SRAM #1 - 0xf8000000 -> 0xffe0000 126M PCIe memory - 0xffe00000 -> 0xfff00000 1M PCIe I/O - 0xfff0000 -> 0xffffffff 1M BootROM Fixes: c466d997bb16 ("ARM: mvebu: define crypto SRAM ranges for all armada-xp boards") Reported-by: Phil Sutter <phil@nwl.cc> Cc: Phil Sutter <phil@nwl.cc> Cc: <stable@vger.kernel.org> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2016-03-09Merge tag 'for-v4.5-rc/omap-critical-fixes-a' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes ARM: OMAP2+: critical DRA7xx fix for v4.5-rc Force the DRA7xx Ethernet internal clock source to stay enabled per TI erratum i877: http://www.ti.com/lit/er/sprz429h/sprz429h.pdf Otherwise, if the Ethernet internal clock source is disabled, the chip will age prematurely, and the RGMII I/O timing will soon fail to meet the delay time and skew specifications for 1000Mbps Ethernet. This fix should go in as soon as possible. Basic build, boot, and PM test results are available here: http://www.pwsan.com/omap/testlogs/omap-critical-fixes-for-v4.5-rc/20160307014209/ * tag 'for-v4.5-rc/omap-critical-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending: ARM: dts: dra7: do not gate cpsw clock due to errata i877 ARM: OMAP2+: hwmod: Introduce ti,no-idle dt property Signed-off-by: Olof Johansson <olof@lixom.net>
2016-03-07ARM: dts: dra7: do not gate cpsw clock due to errata i877Mugunthan V N
Errata id: i877 Description: ------------ The RGMII 1000 Mbps Transmit timing is based on the output clock (rgmiin_txc) being driven relative to the rising edge of an internal clock and the output control/data (rgmiin_txctl/txd) being driven relative to the falling edge of an internal clock source. If the internal clock source is allowed to be static low (i.e., disabled) for an extended period of time then when the clock is actually enabled the timing delta between the rising edge and falling edge can change over the lifetime of the device. This can result in the device switching characteristics degrading over time, and eventually failing to meet the Data Manual Delay Time/Skew specs. To maintain RGMII 1000 Mbps IO Timings, SW should minimize the duration that the Ethernet internal clock source is disabled. Note that the device reset state for the Ethernet clock is "disabled". Other RGMII modes (10 Mbps, 100Mbps) are not affected Workaround: ----------- If the SoC Ethernet interface(s) are used in RGMII mode at 1000 Mbps, SW should minimize the time the Ethernet internal clock source is disabled to a maximum of 200 hours in a device life cycle. This is done by enabling the clock as early as possible in IPL (QNX) or SPL/u-boot (Linux/Android) by setting the register CM_GMAC_CLKSTCTRL[1:0]CLKTRCTRL = 0x2:SW_WKUP. So, do not allow to gate the cpsw clocks using ti,no-idle property in cpsw node assuming 1000 Mbps is being used all the time. If someone does not need 1000 Mbps and wants to gate clocks to cpsw, this property needs to be deleted in their respective board files. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Cc: <stable@vger.kernel.org> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2016-03-07ARM: OMAP2+: hwmod: Introduce ti,no-idle dt propertyLokesh Vutla
Introduce a dt property, ti,no-idle, that prevents an IP to idle at any point. This is to handle Errata i877, which tells that GMAC clocks cannot be disabled. Acked-by: Roger Quadros <rogerq@ti.com> Tested-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Acked-by: Rob Herring <robh@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2016-03-06Merge tag 'armsoc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fix from Olof Johansson: "Tiny fixes branch this week, in fact only one patch. Turns out the USB support for a Renesas board was developed on a pre-release board that ended up being changed before shipping. To avoid breakage on those boards, and avoid confusion, it's a reasonable idea to patch now instead of later. There are no known users of the pre-release variant any more" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: porter: remove enable prop from HS-USB device node
2016-03-06Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM fixes from Russell King: "Just two ARM fixes this time: one to fix the hyp-stub for older ARM CPUs, and another to fix the set_memory_xx() permission functions to deal with zero sizes correctly" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8544/1: set_memory_xx fixes ARM: 8534/1: virt: fix hyp-stub build for pre-ARMv7 CPUs
2016-03-04ARM: 8544/1: set_memory_xx fixesMika Penttilä
Allow zero size updates. This makes set_memory_xx() consistent with x86, s390 and arm64 and makes apply_to_page_range() not to BUG() when loading modules. Signed-off-by: Mika Penttilä mika.penttila@nextfour.com Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2016-03-03Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fixes from Paolo Bonzini: - ARM/MIPS: Fixes for ioctls when copy_from_user returns nonzero - x86: Small fix for Skylake TSC scaling - x86: Improved fix for last week's missed hardware breakpoint bug * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm: x86: Update tsc multiplier on change. mips/kvm: fix ioctl error handling arm/arm64: KVM: Fix ioctl error handling KVM: x86: fix root cause for missed hardware breakpoints
2016-03-02Merge tag 'renesas-dt-fixes2-for-v4.5' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes Merge "Second Round of Renesas ARM Based SoC DT Fixes for v4.5" from Simon Horman: * remove enable prop from HS-USB device node on porter board * tag 'renesas-dt-fixes2-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: dts: porter: remove enable prop from HS-USB device node
2016-03-02Merge tag 'kvm-arm-for-4.5-rc7' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master KVM/ARM fixes for 4.5-rc7 - Fix ioctl error handling on the timer path
2016-03-02ARM: dts: porter: remove enable prop from HS-USB device nodeSergei Shtylyov
In the final versions of the Porter board (called "PORTER_C") Renesas decided to get rid of the Maxim Integrated MAX3355 OTG chip and didn't add any other provision to differ the host/gadget mode, so we'll have to remove no longer valid "renesas,enable-gpio" property from the HS-USB device node. Hopefully, the earlier revisions of the board were never seen in the wild... Fixes: c794f6a09a25 ("ARM: shmobile: porter: add HS-USB DT support") Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-02-29arm/arm64: KVM: Fix ioctl error handlingMichael S. Tsirkin
Calling return copy_to_user(...) in an ioctl will not do the right thing if there's a pagefault: copy_to_user returns the number of bytes not copied in this case. Fix up kvm to do return copy_to_user(...)) ? -EFAULT : 0; everywhere. Cc: stable@vger.kernel.org Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-02-28Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: "Four small fixes for irqchip drivers: - Add missing low level irq handler initialization on mxs, so interrupts can acutally be delivered - Add a missing barrier to the GIC driver - Two fixes for the GIC-V3-ITS driver, addressing a double EOI write and a cache flush beyond the actual region" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic-v3: Add missing barrier to 32bit version of gic_read_iar() irqchip/mxs: Add missing set_handle_irq() irqchip/gicv3-its: Avoid cache flush beyond ITS_BASERn memory size irqchip/gic-v3-its: Fix double ICC_EOIR write for LPI in EOImode==1
2016-02-27Merge tag 'armsoc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "We didn't have a batch last week, so this one is slightly larger. None of them are scary though, a handful of fixes for small DT pieces, replacing properties with newer conventions. Highlights: - N900 fix for setting system revision - onenand init fix to avoid filesystem corruption - Clock fix for audio on Beaglebone-x15 - Fixes on shmobile to deal with CONFIG_DEBUG_RODATA (default y in 4.6) + misc smaller stuff" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: MAINTAINERS: Extend info, add wiki and ml for meson arch MAINTAINERS: alpine: add a new maintainer and update the entry ARM: at91/dt: fix typo in sama5d2 pinmux descriptions ARM: OMAP2+: Fix onenand initialization to avoid filesystem corruption Revert "regulator: tps65217: remove tps65217.dtsi file" ARM: shmobile: Remove shmobile_boot_arg ARM: shmobile: Move shmobile_smp_{mpidr, fn, arg}[] from .text to .bss ARM: shmobile: r8a7779: Remove remainings of removed SCU boot setup code ARM: shmobile: Move shmobile_scu_base from .text to .bss ARM: OMAP2+: Fix omap_device for module reload on PM runtime forbid ARM: OMAP2+: Improve omap_device error for driver writers ARM: DTS: am57xx-beagle-x15: Select SYS_CLK2 for audio clocks ARM: dts: am335x/am57xx: replace gpio-key,wakeup with wakeup-source property ARM: OMAP2+: Set system_rev from ATAGS for n900 ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl ARM: dts: kirkwood: use unique machine name for ds112 ARM: dts: imx6: remove bogus interrupt-parent from CAAM node
2016-02-27mm: ASLR: use get_random_long()Daniel Cashman
Replace calls to get_random_int() followed by a cast to (unsigned long) with calls to get_random_long(). Also address shifting bug which, in case of x86 removed entropy mask for mmap_rnd_bits values > 31 bits. Signed-off-by: Daniel Cashman <dcashman@android.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: David S. Miller <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Nick Kralevich <nnk@google.com> Cc: Jeff Vander Stoep <jeffv@google.com> Cc: Mark Salyzyn <salyzyn@android.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-02-25Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fixes from Paolo Bonzini: "KVM/ARM fixes: - Fix per-vcpu vgic bitmap allocation - Do not give copy random memory on MMIO read - Fix GICv3 APR register restore order KVM/x86 fixes: - Fix ubsan warning - Fix hardware breakpoints in a guest vs. preempt notifiers - Fix Hurd Generic: - use __GFP_NOWARN together with GFP_NOWAIT" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: MMU: fix ubsan index-out-of-range warning arm64: KVM: vgic-v3: Restore ICH_APR0Rn_EL2 before ICH_APR1Rn_EL2 KVM: async_pf: do not warn on page allocation failures KVM: x86: fix conversion of addresses to linear in 32-bit protected mode KVM: x86: fix missed hardware breakpoints arm/arm64: KVM: Feed initialized memory to MMIO accesses KVM: arm/arm64: vgic: Ensure bitmaps are long enough
2016-02-25Merge tag 'kvm-arm-for-4.5-rc6' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master KVM/ARM fixes for 4.5-rc6 - Fix per-vcpu vgic bitmap allocation - Do not give copy random memory on MMIO read - Fix GICv3 APR register restore order
2016-02-24Merge tag 'renesas-soc-fixes-for-v4.5' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes Renesas ARM Based SoC Fixes for v4.5 * Avoid writing to .text * tag 'renesas-soc-fixes-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: Remove shmobile_boot_arg ARM: shmobile: Move shmobile_smp_{mpidr, fn, arg}[] from .text to .bss ARM: shmobile: r8a7779: Remove remainings of removed SCU boot setup code ARM: shmobile: Move shmobile_scu_base from .text to .bss Signed-off-by: Olof Johansson <olof@lixom.net>
2016-02-24arm/arm64: KVM: Feed initialized memory to MMIO accessesMarc Zyngier
On an MMIO access, we always copy the on-stack buffer info the shared "run" structure, even if this is a read access. This ends up leaking up to 8 bytes of uninitialized memory into userspace, depending on the size of the access. An obvious fix for this one is to only perform the copy if this is an actual write. Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-02-24Merge tag 'omap-for-v4.5/fixes-rc5' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Two omap fixes for omaps against v4.5-rc5: - Yet another fix for n900 onenand to avoid corruption. This time to fix the issue of mounting onenand back and forth between the original maemo kernel and mainline Linux kernel. And it also seems there will be two more fixes coming via the MTD tree as issues were discovered also in the onenand driver during testing. - Revert tps65217 regulator clean up as it breaks MMC for am335x variants. The proper way to clean this up is just to rename the tps65217.dtsi file into tps65217-am335x.dtsi as a similar setup is used on many am335x boards. * tag 'omap-for-v4.5/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix onenand initialization to avoid filesystem corruption Revert "regulator: tps65217: remove tps65217.dtsi file" Signed-off-by: Olof Johansson <olof@lixom.net>
2016-02-24ARM: at91/dt: fix typo in sama5d2 pinmux descriptionsLudovic Desroches
PIN_PA15 macro has the same value as PIN_PA14 so we were overriding PA14 mux/configuration. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Reported-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Fixes: 7f16cb676c00 ("ARM: at91/dt: add sama5d2 pinmux") Cc: <stable@vger.kernel.org> # v4.4+ Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2016-02-24Merge tag 'imx-fixes-4.5' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes The i.MX fixes for v4.5: - Drop the bogus interrupt-parent from i.MX6 CAAM node, which leads to the CAAM IRQs not getting unmasked at the GPC level. * tag 'imx-fixes-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: dts: imx6: remove bogus interrupt-parent from CAAM node Signed-off-by: Olof Johansson <olof@lixom.net>
2016-02-24Merge tag 'omap-for-v4.5/fixes-rc3-v2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Few fixes for omaps against v4.5-rc3: - Improve omap_device error message to tell driver writers what is wrong after commit 5de85b9d57ab ("PM / runtime: Re-init runtime PM states at probe error and driver unbind"). There will be also a handful of driver related fixes also queued separately. But adding this error message makes it easy to fix any omap_device using drivers suffering from this issue so I think it's important to have. - Also related to commit 5de85b9d57ab discussion, let's fix a bug where disabling PM runtime via sysfs will also cause the hardware state to be different from PM runtime state. - Fix audio clocks for beagle-x15. - Use wakeup-source instead of gpio-key,wakeup for the new entries that sneaked in during the merge window. - Fix a legacy booting vs device tree based booting regression for n900 where the legacy user space expects to have the device revision available in /proc/atags also when booted with device tree. * tag 'omap-for-v4.5/fixes-rc3-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix omap_device for module reload on PM runtime forbid ARM: OMAP2+: Improve omap_device error for driver writers ARM: DTS: am57xx-beagle-x15: Select SYS_CLK2 for audio clocks ARM: dts: am335x/am57xx: replace gpio-key,wakeup with wakeup-source property ARM: OMAP2+: Set system_rev from ATAGS for n900 Signed-off-by: Olof Johansson <olof@lixom.net>
2016-02-24Merge tag 'mvebu-fixes-4.5-2' of git://git.infradead.org/linux-mvebu into fixesOlof Johansson
mvebu fixes for 4.5 (part 2) - Fix the missing mtd flash on linkstation lswtgl - Use unique machine name for the kirkwood ds112 (for Debian flash-kernel tool) * tag 'mvebu-fixes-4.5-2' of git://git.infradead.org/linux-mvebu: ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl ARM: dts: kirkwood: use unique machine name for ds112 Signed-off-by: Olof Johansson <olof@lixom.net>
2016-02-22Merge tag 'for-linus-4.5-rc5-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen bug fixes from David Vrabel: - Two scsiback fixes (resource leak and spurious warning). - Fix DMA mapping of compound pages on arm/arm64. - Fix some pciback regressions in MSI-X handling. - Fix a pcifront crash due to some uninitialize state. * tag 'for-linus-4.5-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/pcifront: Fix mysterious crashes when NUMA locality information was extracted. xen/pcifront: Report the errors better. xen/pciback: Save the number of MSI-X entries to be copied later. xen/pciback: Check PF instead of VF for PCI_COMMAND_MEMORY xen: fix potential integer overflow in queue_reply xen/arm: correctly handle DMA mapping of compound pages xen/scsiback: avoid warnings when adding multiple LUNs to a domain xen/scsiback: correct frontend counting
2016-02-22ARM: OMAP2+: Fix onenand initialization to avoid filesystem corruptionIvaylo Dimitrov
Commit e7b11dc7b77b ("ARM: OMAP2+: Fix onenand rate detection to avoid filesystem corruption") partially fixed onenand configuration when GPMC module is reset. Finish the job by also providing the correct values in ONENAND_REG_SYS_CFG1 register. Fixes: e7b11dc7b77b ("ARM: OMAP2+: Fix onenand rate detection to avoid filesystem corruption") Cc: stable@vger.kernel.org # v4.2+ Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-02-22ARM: 8534/1: virt: fix hyp-stub build for pre-ARMv7 CPUsJean-Philippe Brucker
ARMv6 CPUs do not have virtualisation extensions, but hyp-stub.S is still included into the image to keep it generic. In order to use ARMv7 instructions during HYP initialisation, add -march=armv7-a flag to hyp-stub's build. On an ARMv6 CPU, __hyp_stub_install returns as soon as it detects that the mode isn't HYP, so we will never reach those instructions. Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2016-02-19Revert "regulator: tps65217: remove tps65217.dtsi file"Peter Ujfalusi
This reverts commit 8e6ebfaa9b384088002baa10f7534efa73a0794e. Without the patch reverted regulators will not work. This prevents MMC to be working for example so the boards can not boot to MMC rootfs. Tested it on beaglebone white and bisect also points to the reverted commit. The issue can be also fixed by adding "regulator-compatible =" to all board dts file for the regulators. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-02-19Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "Here are some more arm64 fixes for 4.5. This has mostly come from Yang Shi, who saw some issues under -rt that also affect mainline. The rest of it is pretty small, but still worth having. We've got an old issue outstanding with valid_user_regs which will likely wait until 4.6 (since it would really benefit from some time in -next) and another issue with kasan and idle which should be fixed next week. Apart from that, pretty quiet here (and still no sign of the THP issue reported on s390...) Summary: - Allow EFI stub to use strnlen(), which is required by recent libfdt - Avoid smp_processor_id() in preempt context during unwinding - Avoid false Kasan warnings during unwinding - Ensure early devices are picked up by the IOMMU DMA ops - Avoid rebuilding the kernel for the 'install' target - Run fixup handlers for alignment faults on userspace access" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mm: allow the kernel to handle alignment faults on user accesses arm64: kbuild: make "make install" not depend on vmlinux arm64: dma-mapping: fix handling of devices registered before arch_initcall arm64/efi: Make strnlen() available to the EFI namespace arm/arm64: crypto: assure that ECB modes don't require an IV arm64: make irq_stack_ptr more robust arm64: debug: re-enable irqs before sending breakpoint SIGTRAP arm64: disable kasan when accessing frame->fp in unwind_frame
2016-02-18irqchip/gic-v3: Add missing barrier to 32bit version of gic_read_iar()Marc Zyngier
Commit 1a1ebd5 ("irqchip/gic-v3: Make sure read from ICC_IAR1_EL1 is visible on redestributor") fixed the missing barrier on arm64, but forgot to update the 32bit counterpart, which has the same requirements. Let's fix it. Fixes: 1a1ebd5 ("irqchip/gic-v3: Make sure read from ICC_IAR1_EL1 is visible on redestributor") Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-02-17ARM: shmobile: Remove shmobile_boot_argGeert Uytterhoeven
CPU boot configuration writes to shmobile_boot_arg, which is located in the .text section, and thus should not be written to. As of commit 1d33a354bbb618ba ("ARM: shmobile: Per-CPU SMP boot / sleep code for SCU SoCs"), and ignoring accidental remainings, shmobile_boot_arg is always set to MPIDR_HWID_BITMASK by C code. Hence we can just hardcode this in the assembler code, and remove the variable, and thus also remove the need to write to this variable. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-02-17ARM: shmobile: Move shmobile_smp_{mpidr, fn, arg}[] from .text to .bssGeert Uytterhoeven
If CONFIG_DEBUG_RODATA=y, the kernel crashes during system suspend: Freezing user space processes ... (elapsed 0.004 seconds) done. Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. PM: suspend of devices complete after 111.948 msecs PM: late suspend of devices complete after 1.086 msecs PM: noirq suspend of devices complete after 11.576 msecs Disabling non-boot CPUs ... Kernel panic - not syncing: Attempted to kill the idle task! 1014ec ---[ end Kernel panic - not syncing: Attempted to kill the idle task! CPU0: stopping This happens because the .text section is marked read-only, while the arrays shmobile_smp_mpidr[], shmobile_smp_fn[], and shmobile_smp_arg[] are being written to. Fix this by moving these arrays from the .text to the .bss section. This requires accessing them through PC-relative offsets. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-02-17ARM: shmobile: r8a7779: Remove remainings of removed SCU boot setup codeGeert Uytterhoeven
Commit 0ca2894b5a900709 ("ARM: shmobile: Use shared SCU SMP boot code on r8a7779") obsoleted the r8a7779-specific SCU boot code, but forgot to remove the setup of shmobile_boot_fn and shmobile_boot_arg, which is overwritten by shmobile_smp_scu_prepare_cpus(). Note that shmobile_scu_base wasn't initialized at that point yet anyway. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-02-17ARM: shmobile: Move shmobile_scu_base from .text to .bssGeert Uytterhoeven
shmobile_scu_base is being written to, so it doesn't belong in the .text section. Fix this by moving it from asm .text to C .bss, as it's no longer used from asm code since commit 4f6da36f7edd5790 ("ARM: shmobile: Remove old SCU boot code"). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>