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* pm-runtime: (25 commits)
i2c-omap / PM: Drop CONFIG_PM_RUNTIME from i2c-omap.c
dmaengine / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
drivers: sh / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
e1000e / igb / PM: Eliminate CONFIG_PM_RUNTIME
MMC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
MFD / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
misc / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
media / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
input / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
iio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
hsi / OMAP / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
i2c-hid / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
drm / exynos / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
gpio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
hwrandom / exynos / PM: Use CONFIG_PM in #ifdef
block / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
USB / PM: Drop CONFIG_PM_RUNTIME from the USB core
PM: Merge the SET*_RUNTIME_PM_OPS() macros
PM / Kconfig: Do not select PM directly from Kconfig files
PCI / PM: Drop CONFIG_PM_RUNTIME from the PCI core
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* pm-cpufreq: (21 commits)
intel_pstate: skip this driver if Sun server has _PPC method
cpufreq: arm_big_little: free OPP table created during ->init()
imx6q: free OPP table created during ->init()
exynos5440: free OPP table created during ->init()
cpufreq-dt: free OPP table created during ->init()
cpufreq-dt: register cooling device from ->ready() callback
cpufreq: Introduce ->ready() callback for cpufreq drivers
cpufreq-dt: pass 'policy->related_cpus' to of_cpufreq_cooling_register()
cpufreq: Fix formatting issues in 'struct cpufreq_driver'
cpufreq: pxa2xx: Add Kconfig entry
cpufreq: Ref the policy object sooner
cpufreq: Kconfig: Remove architecture specific menu entries
cpufreq: pcc: Enable autoload of pcc-cpufreq for ACPI processors
intel_pstate: Add CPUID for BDW-H CPU
intel_pstate: Add support for HWP
x86: Add support for Intel HWP feature detection.
cpufreq: respect the min/max settings from user space
cpufreq: cpufreq-dt: Handle regulator_get_voltage() failure
cpufreq: cpufreq-dt: Improve debug about matching OPP
cpufreq: Loongson1: Add cpufreq driver for Loongson1B
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* pm-cpuidle:
cpuidle: add MAINTAINERS entry for ARM Exynos cpuidle driver
drivers: cpuidle: Remove cpuidle-arm64 duplicate error messages
drivers: cpuidle: Add idle-state-name description to ARM idle states
drivers: cpuidle: Add status property to ARM idle states
cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
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* pm-domains:
ARM: shmobile: Convert to genpd flags for PM clocks for R-mobile
ARM: shmobile: Convert to genpd flags for PM clocks for r8a7779
PM / Domains: Initial PM clock support for genpd
PM / Domains: Power on the PM domain right after attach completes
PM / Domains: Move struct pm_domain_data to pm_domain.h
PM / Domains: Extract code to power off/on a PM domain
PM / Domains: Make genpd parameter of pm_genpd_present() const
* pm-sleep:
PM / hibernate: Deletion of an unnecessary check before the function call "vfree"
PM / Hibernate: Migrate to ktime_t
* pm-tools:
tools: cpupower: fix return checks for sysfs_get_idlestate_count()
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* powercap:
powercap / RAPL: fix build dependency on iosf_mbi
powercap / RAPL: add new model ids
powercap / RAPL: handle atom and core differences
powercap / RAPL: abstract per cpu type functions
* pm-clk:
PM / clock_ops: make __pm_clk_enable more generic
PM / clock_ops: Add pm_clk_add_clk()
* pm-config:
PM: Kconfig: fix unmet dependency for CPU_PM
* pm-opp:
PM / OPP replace kfree_rcu() with call_srcu() in opp_set_availability()
PM / OPP Introduce APIs to remove OPPs
PM / OPP mark OPPs as 'static' or 'dynamic'
PM / OPP don't match for existing OPPs when list is empty
PM / OPP rename 'head' as 'rcu_head' or 'srcu_head' based on its type
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* acpi-video:
ACPI / video: Run _BCL before deciding registering backlight
* acpi-pmic:
ACPI / PMIC: AXP288: support virtual GPIO in ACPI table
ACPI / PMIC: support PMIC operation region for XPower AXP288
ACPI / PMIC: support PMIC operation region for CrystalCove
iio/axp288_adc: remove THIS_MODULE owner
mfd/axp20x: avoid irq numbering collision
iio: adc: Add module device table for autoloading
iio: adc: Add support for axp288 adc
mfd: axp20x: Extend axp20x to support axp288 pmic
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* acpi-scan:
ACPI: Add _DEP support to fix battery issue on Asus T100TA
* acpi-pm:
ACPI / sleep: Drain outstanding events after disabling multiple GPEs
ACPI / PM: Fixed a typo in a comment
* acpi-lpss:
dmaengine: dw: enable runtime PM
ACPI / LPSS: introduce a 'proxy' device to power on LPSS for DMA
ACPI / LPSS: allow to use specific PM domain during ->probe()
ACPI / LPSS: add all LPSS devices to the specific power domain
* acpi-processor:
ACPI / cpuidle: avoid assigning signed errno to acpi_status
ACPI / processor: remove unused variabled from acpi_processor_power structure
ACPI / processor: Update the comments in processor.h
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* acpica:
ACPICA: Events: Always modify GPE registers under the GPE lock
ACPICA: Save current masks of enabled GPEs after enable register writes
ACPICA: Update version to 20141107.
ACPICA: Disassembler: Emit correct string for 0 stop bits.
ACPICA: Disassembler: Update for C-style expressions.
ACPICA: Disassembler: Add support for C-style operators and expressions.
ACPICA: acpiexec: Add option to specify an object initialization file.
ACPICA: iASL: Add support for to_PLD macro.
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* acpi-config:
ACPI / Kconfig: Remove redundant depends on ACPI
* acpi-osl:
ACPI / OSL: Add IRQ handler flushing support in the OSL.
ACPI / osl: speedup grace period in acpi_os_map_cleanup
* acpi-utils:
ACPI: remove unnecessary sizeof(u8)
* acpi-tables:
ACPI / table: Always count matched and successfully parsed entries
ACPI / table: Add new function to get table entries
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* device-properties:
leds: leds-gpio: Fix multiple instances registration without 'label' property
leds: leds-gpio: Fix legacy GPIO number case
ACPI / property: Drop size_prop from acpi_dev_get_property_reference()
leds: leds-gpio: Convert gpio_blink_set() to use GPIO descriptors
ACPI / GPIO: Document ACPI GPIO mappings API
net: rfkill: gpio: Add default GPIO driver mappings for ACPI
ACPI / GPIO: Driver GPIO mappings for ACPI GPIOs
input: gpio_keys_polled: Make use of device property API
leds: leds-gpio: Make use of device property API
gpio: Support for unified device properties interface
Driver core: Unified interface for firmware node properties
input: gpio_keys_polled: Add support for GPIO descriptors
leds: leds-gpio: Add support for GPIO descriptors
gpio: sch: Consolidate core and resume banks
gpio / ACPI: Add support for _DSD device properties
misc: at25: Make use of device property API
ACPI: Allow drivers to match using Device Tree compatible property
Driver core: Unified device properties interface for platform firmware
ACPI: Add support for device specific properties
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A typo "header=y" was introduced by commit 7071cf7fc435 ("uapi: add
missing network related headers to kbuild").
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.
Replace CONFIG_PM_RUNTIME with CONFIG_PM in the block device core.
Reviewed-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so quite a few
depend on CONFIG_PM (or even dropped in some cases).
Replace CONFIG_PM_RUNTIME with CONFIG_PM in the USB core code
and documentation.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The SET_PM_RUNTIME_PM_OPS() and SET_RUNTIME_PM_OPS() macros are
identical except that one of them is not empty for CONFIG_PM set,
while the other one is not empty for CONFIG_PM_RUNTIME set,
respectively.
However, after commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if
PM_SLEEP is selected) PM_RUNTIME is always set if PM is set, so one
of these macros is now redundant.
For this reason, replace SET_PM_RUNTIME_PM_OPS() with
SET_RUNTIME_PM_OPS() everywhere and redefine the SET_PM_RUNTIME_PM_OPS
symbol as SET_RUNTIME_PM_OPS in case new code is starting to use the
macro being removed here.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so quite a few
depend on CONFIG_PM.
Replace CONFIG_PM_RUNTIME with CONFIG_PM in the ACPI core code.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so quite a few
depend on CONFIG_PM or even may be dropped entirely in some cases.
Replace CONFIG_PM_RUNTIME with CONFIG_PM in the PM core code.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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It's quite common for PM domains to use PM clocks. Typically from SOC
specific code, the per device PM clock list is created and
pm_clk_suspend|resume() are invoked to handle clock gating/ungating.
A step towards consolidation is to integrate PM clock support into
genpd, which is what this patch does.
In this initial step, the calls to the pm_clk_suspend|resume() are
handled within genpd, but the per device PM clock list still needs to
be created from SOC specific code. It seems reasonable to have gendp to
handle that as well, but that left to future patches to address.
It's not every users of genpd that are keen on using PM clocks, thus we
need to provide this a configuration option for genpd. Therefore let's
add flag field in the genpd struct to keep this information and define
a new GENDP_FLAG_PM_CLK bit for it.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is a race condition between acpi_hw_disable_all_gpes() or
acpi_enable_all_wakeup_gpes() and acpi_ev_asynch_enable_gpe() such
that if the latter wins the race, it may mistakenly enable a GPE
disabled by the former. This may lead to premature system wakeups
during system suspend and potentially to more serious consequences.
The source of the problem is how acpi_hw_low_set_gpe() works when
passed ACPI_GPE_CONDITIONAL_ENABLE as the second argument. In that
case, the GPE will be enabled if the corresponding bit is set in the
enable_for_run mask of the GPE enable register containing that bit.
However, acpi_hw_disable_all_gpes() and acpi_enable_all_wakeup_gpes()
don't modify the enable_for_run masks of GPE registers when writing
to them. In consequence, if acpi_ev_asynch_enable_gpe(), which
eventually calls acpi_hw_low_set_gpe() with the second argument
equal to ACPI_GPE_CONDITIONAL_ENABLE, is executed in parallel with
one of these functions, it may reverse changes made by them.
To fix the problem, introduce a new enable_mask field in struct
acpi_gpe_register_info in which to store the current mask of
enabled GPEs and modify acpi_hw_low_set_gpe() to take this
mask into account instead of enable_for_run when its second
argument is equal to ACPI_GPE_CONDITIONAL_ENABLE. Also modify
the low-level routines called by acpi_hw_disable_all_gpes(),
acpi_enable_all_wakeup_gpes() and acpi_enable_all_runtime_gpes()
to update the enable_mask masks of GPE registers after all
(successful) writes to those registers.
Acked-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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OPPs are created statically (from DT) or dynamically. Currently we don't free
OPPs that are created statically, when the module unloads. And so if the module
is inserted back again, we get warning for duplicate OPPs as the same were
already present.
Also, there might be a need to remove dynamic OPPs in future and so API for that
is also added.
This patch adds helper APIs to remove/free existing static and dynamic OPPs.
Because the OPPs are used both under RCU and SRCU, we have to wait for grace
period of both. And so are using kfree_rcu() from within call_srcu().
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Currently there is no callback for cpufreq drivers which is called once the
policy is ready to be used. There are some requirements where such a callback is
required.
One of them is registering a cooling device with the help of
of_cpufreq_cooling_register(). This routine tries to get 'struct cpufreq_policy'
for CPUs which isn't yet initialed at the time ->init() is called and so we face
issues while registering the cooling device.
Because we can't register cooling device from ->init(), we need a callback that
is called after the policy is ready to be used and hence we introduce ->ready()
callback.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Eduardo Valentin <edubezval@gmail.com>
Tested-by: Eduardo Valentin <edubezval@gmail.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Adding any new callback to 'struct cpufreq_driver' gives following checkpatch
warning:
WARNING: Unnecessary space before function pointer arguments
+ void (*ready) (struct cpufreq_policy *policy);
This is because we have been using a tab spacing between function pointer name
and its arguments and the new one tried to follow that.
Though we normally don't try to fix every checkpatch warning, specially around
formatting issues as that creates unnecessary noise over lists. But I thought we
better fix this so that new additions don't generate these warnings plus it
looks far better/symmetric now.
So, remove these tab spacing issues in 'struct cpufreq_driver' only + fix
alignment of all members.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Eduardo Valentin <edubezval@gmail.com>
Tested-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver fixes from Greg KH:
"Here are some staging and IIO driver fixes for 3.18-rc7 that resolve a
number of reported issues, and a new device id for a staging wireless
driver.
All of these have been in linux-next"
* tag 'staging-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: r8188eu: Add new device ID for DLink GO-USB-N150
staging: r8188eu: Fix scheduling while atomic error introduced in commit fadbe0cd
iio: accel: bmc150: set low default thresholds
iio: accel: bmc150: Fix iio_event_spec direction
iio: accel: bmc150: Send x, y and z motion separately
iio: accel: bmc150: Error handling when mode set fails
iio: gyro: bmg160: Fix iio_event_spec direction
iio: gyro: bmg160: Send x, y and z motion separately
iio: gyro: bmg160: Don't let interrupt mode to be open drain
iio: gyro: bmg160: Error handling when mode set fails
iio: adc: men_z188_adc: Add terminating entry for men_z188_ids
iio: accel: kxcjk-1013: Fix kxcjk10013_set_range
iio: Fix IIO_EVENT_CODE_EXTRACT_DIR bit mask
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"No excitement, here are only minor fixes: an endian fix for the new
DSD format we added in 3.18, a fix for HP mute LED, and a fix for
Native Instrument quirk"
* tag 'sound-3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: pcm: Add big-endian DSD sample formats and fix XMOS DSD sample format
ALSA: hda - One more HP machine needs to change mute led quirk
ALSA: usb-audio: Use snd_usb_ctl_msg() for Native Instruments quirk
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Pull networking fixes from David Miller:
"Several small fixes here:
1) Don't crash in tg3 driver when the number of tx queues has been
configured to be different from the number of rx queues. From
Thadeu Lima de Souza Cascardo.
2) VLAN filter not disabled properly in promisc mode in ixgbe driver,
from Vlad Yasevich.
3) Fix OOPS on dellink op in VTI tunnel driver, from Xin Long.
4) IPV6 GRE driver WCCP code checks skb->protocol for ETH_P_IP
instead of ETH_P_IPV6, whoops. From Yuri Chislov.
5) Socket matching in ping driver is buggy when packet AF does not
match socket's AF. Fix from Jane Zhou.
6) Fix checksum calculation errors in VXLAN due to where the
udp_tunnel6_xmit_skb() helper gets it's saddr/daddr from. From
Alexander Duyck.
7) Fix 5G detection problem in rtlwifi driver, from Larry Finger.
8) Fix NULL deref in tcp_v{4,6}_send_reset, from Eric Dumazet.
9) Various missing netlink attribute verifications in bridging code,
from Thomas Graf.
10) tcp_recvmsg() unconditionally calls ipv4 ip_recv_error even for
ipv6 sockets, whoops. Fix from Willem de Bruijn"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits)
net-timestamp: make tcp_recvmsg call ipv6_recv_error for AF_INET6 socks
bridge: Sanitize IFLA_EXT_MASK for AF_BRIDGE:RTM_GETLINK
bridge: Add missing policy entry for IFLA_BRPORT_FAST_LEAVE
net: Check for presence of IFLA_AF_SPEC
net: Validate IFLA_BRIDGE_MODE attribute length
bridge: Validate IFLA_BRIDGE_FLAGS attribute length
stmmac: platform: fix default values of the filter bins setting
net/mlx4_core: Limit count field to 24 bits in qp_alloc_res
net: dsa: bcm_sf2: reset switch prior to initialization
net: dsa: bcm_sf2: fix unmapping registers in case of errors
tg3: fix ring init when there are more TX than RX channels
tcp: fix possible NULL dereference in tcp_vX_send_reset()
rtlwifi: Change order in device startup
rtlwifi: rtl8821ae: Fix 5G detection problem
Revert "netfilter: conntrack: fix race in __nf_conntrack_confirm against get_next_corpse"
vxlan: Fix boolean flip in VXLAN_F_UDP_ZERO_CSUM6_[TX|RX]
ip6_udp_tunnel: Fix checksum calculation
net-timestamp: Fix a documentation typo
net/ping: handle protocol mismatching scenario
af_packet: fix sparse warning
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Version 20141107.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This macro is intended to simplify the constuction of _PLD buffers.
NOTE: Prototype only, subject to change before this macro is
added to the ACPI specification. David E. Box.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The acpi_table_parse() function has a callback that
passes a pointer to a table_header. Add a new function
which takes this pointer and parses its entries. This
eliminates the need to re-traverse all the tables for
each call. e.g. as in acpi_table_parse_madt() which is
normally called after acpi_table_parse().
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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TCP timestamping introduced MSG_ERRQUEUE handling for TCP sockets.
If the socket is of family AF_INET6, call ipv6_recv_error instead
of ip_recv_error.
This change is more complex than a single branch due to the loadable
ipv6 module. It reuses a pre-existing indirect function call from
ping. The ping code is safe to call, because it is part of the core
ipv6 module and always present when AF_INET6 sockets are active.
Fixes: 4ed2d765 (net-timestamp: TCP timestamping)
Signed-off-by: Willem de Bruijn <willemb@google.com>
----
It may also be worthwhile to add WARN_ON_ONCE(sk->family == AF_INET6)
to ip_recv_error.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Third set of IIO fixes for the 3.18 cycle.
Most of these are fairly standard little fixes, a bmc150 and bmg160 patch
is to make an ABI change to indicated a specific axis in an event rather
than the generic option in the original drivers. As both of these drivers
are new in this cycle it would be ideal to push this minor change through
even though it isn't strictly a fix. A couple of other 'fixes' change
defaults for some settings on these new drivers to more intuitive calues.
Looks like some useful feedback has been coming in for this driver
since it was applied.
* IIO_EVENT_CODE_EXTRACT_DIR bit mask was wrong and has been for a while
0xCF clearly doesn't give a contiguous bitmask.
* kxcjk-1013 range setting was failing to mask out the previous value
in the register and hence was 'enable only'.
* men_z188 device id table wasn't null terminated.
* bmg160 and bmc150 both failed to correctly handling an error in mode
setting.
* bmg160 and bmc150 both had a bug in setting the event direction in the
event spec (leads to an attribute name being incorrect)
* bmg160 defaulted to an open drain output for the interrupt - as a default
this obviously only works with some interrupt chips - hence change the
default to push-pull (note this is a new driver so we aren't going to
cause any regressions with this change).
* bmc150 had an unintuitive default for the rate of change (motion detector)
so change it to 0 (new driver so change of default won't cause any
regressions).
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This reverts commit 85c8555ff0 ("KVM: check for !is_zero_pfn() in
kvm_is_mmio_pfn()") and renames the function to kvm_is_reserved_pfn.
The problem being addressed by the patch above was that some ARM code
based the memory mapping attributes of a pfn on the return value of
kvm_is_mmio_pfn(), whose name indeed suggests that such pfns should
be mapped as device memory.
However, kvm_is_mmio_pfn() doesn't do quite what it says on the tin,
and the existing non-ARM users were already using it in a way which
suggests that its name should probably have been 'kvm_is_reserved_pfn'
from the beginning, e.g., whether or not to call get_page/put_page on
it etc. This means that returning false for the zero page is a mistake
and the patch above should be reverted.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
"This series fix a nasty issue with radeon adapters on powerpc servers,
it's all CC'ed stable and has the relevant maintainers ack's/reviews.
Basically, some (radeon) adapters have issues with MSI addresses above
1T (only support 40-bits). We had powerpc specific quirk but it only
listed a specific revision of an adapter that we shipped with our
machines and didn't properly handle the audio function which some
distros enable nowadays.
So we made the quirk generic and fixed both the graphic and audio
drivers properly to use it.
Without that, ppc64 server machines will crash at boot with a radeon
adapter.
Note: This has been brewing for a while, it just needed a last respin
which got delayed due to us moving ozlabs to a new location in town
and other such things taking priority"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/pci: Remove unused force_32bit_msi quirk
powerpc/pseries: Honor the generic "no_64bit_msi" flag
powerpc/powernv: Honor the generic "no_64bit_msi" flag
sound/radeon: Move 64-bit MSI quirk from arch to driver
gpu/radeon: Set flag to indicate broken 64-bit MSI
PCI/MSI: Add device flag indicating that 64-bit MSIs don't work
ALSA: hda - Limit 40bit DMA for AMD HDMI controllers
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https://git.linaro.org/people/mike.turquette/linux
Pull clock fixes from Mike Turquette:
"The fixes for the clock framework are all regressions in drivers, plus
a single fix in one of the basic clock templates. No fixes to the
core this time around.
As with most clock driver fixes these run the gamut from fixing a
build warning to fixing wrecked memory timings, with a little USB
tossed in for fun"
* tag 'clk-fixes-for-linus' of https://git.linaro.org/people/mike.turquette/linux:
clk: pxa: fix pxa27x CCCR bit usage
clk-divider: Fix READ_ONLY when divider > 1
clk: qcom: Fix duplicate rbcpr clock name
clk: at91: usb: fix at91sam9x5 recalc, round and set rate
clk: at91: usb: fix at91rm9200 round and set rate
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Few elements in the acpi_processor_power structure are unused. It could
be remnant in the header missed while the code got removed from the
corresponding driver file.
This patch removes those unused variables in the structure declaration.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into acpi-pmic
Pull MFD changes that the ACPI PMIC changes depend on from Lee Jones.
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This can be set by quirks/drivers to be used by the architecture code
that assigns the MSI addresses.
We additionally add verification in the core MSI code that the values
assigned by the architecture do satisfy the limitation in order to fail
gracefully if they don't (ie. the arch hasn't been updated to deal with
that quirk yet).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@vger.kernel.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
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ACPI 5.0 introduces _DEP (Operation Region Dependencies) to designate
device objects that OSPM should assign a higher priority in start
ordering due to future operation region accesses.
On Asus T100TA, ACPI battery info are read from a I2C slave device via
I2C operation region. Before I2C operation region handler is installed,
battery _STA always returns 0. There is a _DEP method of designating
start order under battery device node.
This patch is to implement _DEP feature to fix battery issue on the
Asus T100TA. Introducing acpi_dep_list and adding dep_unmet count
in struct acpi_device. During ACPI namespace scan, create struct
acpi_dep_data for a valid pair of master (device pointed to by _DEP)/
slave(device with _DEP), record master's and slave's ACPI handle in
it and put it into acpi_dep_list. The dep_unmet count will increase
by one if there is a device under its _DEP. Driver's probe() should
return EPROBE_DEFER when find dep_unmet is larger than 0. When I2C
operation region handler is installed, remove all struct acpi_dep_data
on the acpi_dep_list whose master is pointed to I2C host controller
and decrease slave's dep_unmet. When dep_unmet decreases to 0, all
_DEP conditions are met and then do acpi_bus_attach() for the device
in order to resolve battery _STA issue on the Asus T100TA.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=69011
Tested-by: Jan-Michael Brummer <jan.brummer@tabos.org>
Tested-by: Adam Williamson <adamw@happyassassin.net>
Tested-by: Michael Shigorin <shigorin@gmail.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu fix from Tejun Heo:
"This contains one patch to fix a race condition which can lead to
percpu_ref using a percpu pointer which is corrupted with a set DEAD
bit. The bug was introduced while separating out the ATOMIC mode flag
from the DEAD flag. The fix is pretty straight forward.
I just committed the patch to the percpu tree but am sending out the
pull request early as I'll be on vacation for a week. The patch
should be fairly safe and while the latency will be higher I'll be
checking emails"
* 'for-3.18-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu-ref: fix DEAD flag contamination of percpu pointer
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While decoupling ATOMIC and DEAD flags, f47ad4578461 ("percpu_ref:
decouple switching to percpu mode and reinit") updated
__ref_is_percpu() so that it only tests ATOMIC flag to determine
whether the ref is in percpu mode or not; however, while DEAD implies
ATOMIC, the two flags are set separately during percpu_ref_kill() and
if __ref_is_percpu() races percpu_ref_kill(), it may see DEAD w/o
ATOMIC. Because __ref_is_percpu() returns @ref->percpu_count_ptr
value verbatim as the percpu pointer after testing ATOMIC, the pointer
may now be contaminated with the DEAD flag.
This can be fixed by clearing the flag bits before returning the
pointer which was the fix proposed by Shaohua; however, as DEAD
implies ATOMIC, we can just test for both flags at once and avoid the
explicit masking.
Update __ref_is_percpu() so that it tests that both ATOMIC and DEAD
are clear before returning @ref->percpu_count_ptr as the percpu
pointer.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-and-Reviewed-by: Shaohua Li <shli@kernel.org>
Link: http://lkml.kernel.org/r/995deb699f5b873c45d667df4add3b06f73c2c25.1416638887.git.shli@kernel.org
Fixes: f47ad4578461 ("percpu_ref: decouple switching to percpu mode and reinit")
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Pull networking fixes from David Miller:
1) Fix BUG when decrypting empty packets in mac80211, from Ronald Wahl.
2) nf_nat_range is not fully initialized and this is copied back to
userspace, from Daniel Borkmann.
3) Fix read past end of b uffer in netfilter ipset, also from Dan
Carpenter.
4) Signed integer overflow in ipv4 address mask creation helper
inet_make_mask(), from Vincent BENAYOUN.
5) VXLAN, be2net, mlx4_en, and qlcnic need ->ndo_gso_check() methods to
properly describe the device's capabilities, from Joe Stringer.
6) Fix memory leaks and checksum miscalculations in openvswitch, from
Pravin B SHelar and Jesse Gross.
7) FIB rules passes back ambiguous error code for unreachable routes,
making behavior confusing for userspace. Fix from Panu Matilainen.
8) ieee802154fake_probe() doesn't release resources properly on error,
from Alexey Khoroshilov.
9) Fix skb_over_panic in add_grhead(), from Daniel Borkmann.
10) Fix access of stale slave pointers in bonding code, from Nikolay
Aleksandrov.
11) Fix stack info leak in PPP pptp code, from Mathias Krause.
12) Cure locking bug in IPX stack, from Jiri Bohac.
13) Revert SKB fclone memory freeing optimization that is racey and can
allow accesses to freed up memory, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (71 commits)
tcp: Restore RFC5961-compliant behavior for SYN packets
net: Revert "net: avoid one atomic operation in skb_clone()"
virtio-net: validate features during probe
cxgb4 : Fix DCB priority groups being returned in wrong order
ipx: fix locking regression in ipx_sendmsg and ipx_recvmsg
openvswitch: Don't validate IPv6 label masks.
pptp: fix stack info leak in pptp_getname()
brcmfmac: don't include linux/unaligned/access_ok.h
cxgb4i : Don't block unload/cxgb4 unload when remote closes TCP connection
ipv6: delete protocol and unregister rtnetlink when cleanup
net/mlx4_en: Add VXLAN ndo calls to the PF net device ops too
bonding: fix curr_active_slave/carrier with loadbalance arp monitoring
mac80211: minstrel_ht: fix a crash in rate sorting
vxlan: Inline vxlan_gso_check().
can: m_can: update to support CAN FD features
can: m_can: fix incorrect error messages
can: m_can: add missing delay after setting CCCR_INIT bit
can: m_can: fix not set can_dlc for remote frame
can: m_can: fix possible sleep in napi poll
can: m_can: add missing message RAM initialization
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This batch ended up as a relatively high volume due to pending ASoC
fixes. But most of fixes there are trivial and/or device- specific
fixes and quirks, so safe to apply. The only (ASoC) core fixes are
the DPCM race fix and the machine-driver matching fix for
componentization"
* tag 'sound-3.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - fix the mic mute led problem for Latitude E5550
ALSA: hda - move DELL_WMI_MIC_MUTE_LED to the tail in the quirk chain
ASoC: wm_adsp: Avoid attempt to free buffers that might still be in use
ALSA: usb-audio: Set the Control Selector to SU_SELECTOR_CONTROL for UAC2
ALSA: usb-audio: Add ctrl message delay quirk for Marantz/Denon devices
ASoC: sgtl5000: Fix SMALL_POP bit definition
ASoC: cs42l51: re-hook of_match_table pointer
ASoC: rt5670: change dapm routes of PLL connection
ASoC: rt5670: correct the incorrect default values
ASoC: samsung: Add MODULE_DEVICE_TABLE for Snow
ASoC: max98090: Correct pclk divisor settings
ASoC: dpcm: Fix race between FE/BE updates and trigger
ASoC: Fix snd_soc_find_dai() matching component by name
ASoC: rsnd: remove unsupported PAUSE flag
ASoC: fsi: remove unsupported PAUSE flag
ASoC: rt5645: Mark RT5645_TDM_CTRL_3 as readable
ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_rxctrl
ASoC: es8328-i2c: Fix i2c_device_id name field in es8328_id
ASoC: fsl_asrc: Add reg_defaults for regmap to fix kernel dump
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc fixes: two NUMA fixes, two cputime fixes and an RCU/lockdep fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/cputime: Fix clock_nanosleep()/clock_gettime() inconsistency
sched/cputime: Fix cpu_timer_sample_group() double accounting
sched/numa: Avoid selecting oneself as swap target
sched/numa: Fix out of bounds read in sched_init_numa()
sched: Remove lockdep check in sched_move_task()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fix from Ingo Molnar:
"Fix GENMASK macro shift overflow"
Nobody seems to currently use GENMASK() to fill every single last bit
(which is what overflows) in-tree, and gcc would warn about it, so we
have that going for us. But apparently there are pending changes that
want this.
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
bitops: Fix shift overflow in GENMASK macros
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Conflicts:
drivers/cpuidle/dt_idle_states.c
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This patch fixes XMOS DSD sample format to DSD_U32_BE and also adds
DSD_U16_BE and DSD_U32_BE sample formats.
Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Acked-by: Jurgen Kramer <gtmkramer@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://gitorious.org/linux-can/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2014-11-18
this is a pull request of 17 patches for net/master for the v3.18 release
cycle.
The last patch of this pull request ("can: m_can: update to support CAN FD
features") adds, as the description says, a new feature to the m_can driver. As
the m_can driver has been added in v3.18 there is no risk of causing a
regression. Give me a note if this is not okay and I'll create a new pull
request without it.
There is a patch for the CAN infrastructure by Thomas Körper which fixes
calling kfree_skb() from interrupt context. Roman Fietze fixes a typo also in
the infrastructure. A patch by Dong Aisheng adds a generic helper function to
tell if a skb is normal CAN or CAN-FD frame. Alexey Khoroshilov of the Linux
Driver Verification project fixes a memory leak in the esd_usb2 driver. Two
patches by Sudip Mukherjee remove unused variables and fixe the signess of a
variable. Three patches by me add the missing .ndo_change_mtu callback to the
xilinx_can, rcar_can and gs_usb driver.
The remaining patches improve the m_can driver: David Cohen adds the missing
CONFIG_HAS_IOMEM dependency. Dong Aisheng provides 6 bugfix patches (most
important: missing RAM init, sleep in NAPI poll, dlc in RTR). While the last of
his patches adds CAN FD support to the driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Suggested-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The CAN device drivers can use can_is_canfd_skb() to check if the frame to send
is on CAN FD mode or normal CAN mode.
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Dong Aisheng <b29396@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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