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On a lot of Samsung systems the watchdog is responsible for restarting the
system and until now this code was contained in plat-samsung/watchdog-reset.c.
With the introduction of the restart handlers, this code can now move into
driver itself, removing the need for arch-specific code.
Tested on a S3C2442 based GTA02
Signed-off-by: Heiko Stuebner <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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The kernel core now provides an API to trigger a system restart.
Register with it to support restarting the system via. watchdog.
Signed-off-by: Jisheng Zhang <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Update the multi_v7_defconfig enabling the watchdog driver for Meson
SoCs.
Signed-off-by: Carlo Caione <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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This patch adds the watchdog driver for the Amlogic Meson SoCs used also
to reboot the device.
Signed-off-by: Carlo Caione <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Signed-off-by: Carlo Caione <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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There is no conflict with rtc/rtc-stmp3xxx.c parent
because modified registers in PM functions of stmp3xxx_rtc_wdt
are different.
Signed-off-by: Janusz Uzycki <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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This driver supports the watchdog device inside the DA9063 PMIC.
Signed-off-by: Krystian Garbaciak <[email protected]>
Signed-off-by: Philipp Zabel <[email protected]>
Signed-off-by: Markus Pargmann <[email protected]>
Acked-by: Steve Twiss <[email protected]>
Tested-by: Steve Twiss <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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This adds a driver for the watchdog timer available in Ricoh RN5T618
PMIC. The device supports a programmable expiration time of 1, 8, 32
or 128 seconds.
Signed-off-by: Beniamino Galvani <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Exynos7 SoC has a Watchdog for Atlas (A57) cores
This patch adds support for the Atlas watchdog.
Signed-off-by: Naveen Krishna Chatradhi <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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The Qualcomm Krait Processor Sub-system (KPSS) contains one or more
instances of the WDT. Provide documentation on how to describe these in
the device tree.
Signed-off-by: Josh Cartwright <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Add a driver for the watchdog timer block found in the Krait Processor
Subsystem (KPSS) on the MSM8960, APQ8064, and IPQ8064.
Signed-off-by: Josh Cartwright <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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The TOP_INIT, ie bit 4-7 of the WDOG_TIMEOUT_RANGE_REG_OFFSET register
may be zero, so the timeout period may be very short after initialization
is done, thus the system may be reset soon after enabling. We fix this
problem by also initialising the TOP_INIT when setting TOP in function
dw_wdt_set_top().
Signed-off-by: Jisheng Zhang <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Add cadence-wdt bindings documentation.
Signed-off-by: Harini Katakam <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Add Cadence WDT driver. This is used by Xilinx Zynq.
Signed-off-by: Harini Katakam <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Signed-off-by: Uwe Kleine-K=C3=B6nig <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Signed-off-by: Xiubo Li <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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There is no need to store the return value of misc_deregister() in a
variable. Instead we can just return the value directly.
Signed-off-by: Mika Westerberg <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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Building booke_wdt fails when trying to build as a module as there is no
early_param() in module. Fix by using module_param() instead of early_param().
Signed-off-by: Pranith Kumar <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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There is no need to init .owner field.
Based on the patch from Peter Griffin <[email protected]>
"mmc: remove .owner field for drivers using module_platform_driver"
This patch removes the superflous .owner field for drivers which
use the module_platform_driver API, as this is overriden in
platform_driver_register anyway."
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
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There is no swapper_pgd_dir, it meant swapper_pg_dir.
Signed-off-by: Alex Bennée <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"A large number of cleanups and bug fixes, with some (minor) journal
optimizations"
[ This got sent to me before -rc1, but was stuck in my spam folder. - Linus ]
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (67 commits)
ext4: check s_chksum_driver when looking for bg csum presence
ext4: move error report out of atomic context in ext4_init_block_bitmap()
ext4: Replace open coded mdata csum feature to helper function
ext4: delete useless comments about ext4_move_extents
ext4: fix reservation overflow in ext4_da_write_begin
ext4: add ext4_iget_normal() which is to be used for dir tree lookups
ext4: don't orphan or truncate the boot loader inode
ext4: grab missed write_count for EXT4_IOC_SWAP_BOOT
ext4: optimize block allocation on grow indepth
ext4: get rid of code duplication
ext4: fix over-defensive complaint after journal abort
ext4: fix return value of ext4_do_update_inode
ext4: fix mmap data corruption when blocksize < pagesize
vfs: fix data corruption when blocksize < pagesize for mmaped data
ext4: fold ext4_nojournal_sops into ext4_sops
ext4: support freezing ext2 (nojournal) file systems
ext4: fold ext4_sync_fs_nojournal() into ext4_sync_fs()
ext4: don't check quota format when there are no quota files
jbd2: simplify calling convention around __jbd2_journal_clean_checkpoint_list
jbd2: avoid pointless scanning of checkpoint lists
...
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Commit 286aad3c4014 ("net: bpf: be friendly to kmemcheck") changed the
type of jited from a bitfield into a bool. As this commmit wasn't available
at the time when arm64 eBPF JIT was merged, fix it up now as net is merged
into mainline.
Signed-off-by: Daniel Borkmann <[email protected]>
Cc: Zi Shen Lim <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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Commit 02ab695bb37e (net: filter: add "load 64-bit immediate" eBPF
instruction) introduced a new eBPF instruction. Let's add support
for this for arm64 as well.
Our arm64 eBPF JIT compiler now passes the new "load 64-bit
immediate" test case introduced in the same commit 02ab695bb37e.
Signed-off-by: Zi Shen Lim <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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Commit 72b603ee8cfc ("bpf: x86: add missing 'shift by register'
instructions to x64 eBPF JIT") noted support for 'shift by register'
in eBPF and added support for it for x64. Let's enable this for arm64
as well.
The arm64 eBPF JIT compiler now passes the new 'shift by register'
test case introduced in the same commit 72b603ee8cfc.
Signed-off-by: Zi Shen Lim <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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This is the ARM64 variant for 314beb9bcab ("x86: bpf_jit_comp: secure bpf
jit against spraying attacks").
Thanks to commit 11d91a770f1f ("arm64: Add CONFIG_DEBUG_SET_MODULE_RONX
support") which added necessary infrastructure, we can now implement
RO marking of eBPF generated JIT image pages and randomize start offset
for the JIT code, so that it does not reside directly on a page boundary
anymore. Likewise, the holes are filled with illegal instructions: here
we use BRK #0x100 (opcode 0xd4202000) to trigger a fault in the kernel
(unallocated BRKs would trigger a fault through do_debug_exception). This
seems more reliable as we don't have a guaranteed undefined instruction
space on ARM64.
This is basically the ARM64 variant of what we already have in ARM via
commit 55309dd3d4cd ("net: bpf: arm: address randomize and write protect
JIT code"). Moreover, this commit also presents a merge resolution due to
conflicts with commit 60a3b2253c41 ("net: bpf: make eBPF interpreter images
read-only") as we don't use kfree() in bpf_jit_free() anymore to release
the locked bpf_prog structure, but instead bpf_prog_unlock_free() through
a different allocator.
JIT tested on aarch64 with BPF test suite.
Reference: http://mainisusuallyafunction.blogspot.com/2012/11/attacking-hardened-linux-systems-with.html
Signed-off-by: Daniel Borkmann <[email protected]>
Reviewed-by: Zi Shen Lim <[email protected]>
Acked-by: Will Deacon <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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Compiling with STRICT_MM_TYPECHECKS gives the following
arch/arm64/mm/ioremap.c: In function ‘early_ioremap_init’:
arch/arm64/mm/ioremap.c:152:2: warning: passing argument 3 of
‘pud_populate’ from incompatible pointer type
pud_populate(&init_mm, pud, bm_pmd);
The data types for bm_pmd and bm_pud are incorrectly set to pte_t.
This patch corrects these types.
Signed-off-by: Steve Capper <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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The compat_elf_prpsinfo structure does not match the arch/arm struct
elf_pspsinfo definition. As result NT_PRPSINFO note in core file
created by arm64 kernel for aarch32 (compat) process has wrong size.
So gdb cannot display command that caused process crash.
Fix is to change size of __compat_uid_t, __compat_gid_t so it would
match size of similar fields in arch/arm case.
Signed-off-by: Victor Kamensky <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Cc: <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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When the pgd size is smaller than PAGE_SIZE, pgd_alloc() uses kzalloc()
to save space. However, this is not always naturally aligned as required
by the architecture. This patch creates a kmem_cache for pgd allocations
with the correct alignment.
The current kernel configurations with 4K pages + 39-bit VA and 64K
pages + 42-bit VA use a full page for the pgd and are not affected. The
patch is required for 48-bit VA with 64K pages where the pgd is 512
bytes.
Reported-by: Christoffer Dall <[email protected]>
Reviewed-by: Christoffer Dall <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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Now when KVM has been reworked to support 48-bits host VA space, we can
allow systems to be configured with this option. However, the ARM SMMU
driver also needs to be tweaked for 48-bit support so only allow the
config option to be set when not including support for theSMMU.
Signed-off-by: Christoffer Dall <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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sed -i 's/}\ ;/};/g'
Signed-off-by: Michal Simek <[email protected]>
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Add the cadence watchdog node to the Zynq devicetree.
Signed-off-by: Michal Simek <[email protected]>
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Add missing reference for memory-controller.
Signed-off-by: Michal Simek <[email protected]>
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Add missing reference for ADC node.
Signed-off-by: Michal Simek <[email protected]>
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By in sync with others node and add also baseaddr
to the node name.
Signed-off-by: Michal Simek <[email protected]>
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Due to dependencies between timer and CPU frequency, only changes by
powers of two are allowed. The clocksource driver prevents other
changes, but with cpufreq and its governors it can result in being
spammed with error messages constantly. Hence, remove the 222 MHz OPP.
Signed-off-by: Soren Brinkmann <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
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The size of the GEM's register area is only 0x1000 bytes.
Signed-off-by: Soren Brinkmann <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
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We implemented in a wrong way for mute LED on Lenovo Ideapad; the bit
must be flipped.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16373
Fixes: 3e887f379d8a ('ALSA: hda - Add mute LED support to Lenovo Ideapad')
Cc: <[email protected]> # 3.15+
Signed-off-by: Takashi Iwai <[email protected]>
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PWM_CLPS711X needs HAS_IOMEM, so depend on it, the related error (with
allmodconfig under um):
MODPOST 1205 modules
ERROR: "devm_ioremap_resource" [drivers/pwm/pwm-clps711x.ko] undefined!
ERROR: "devm_ioremap" [drivers/net/phy/mdio-bcm-unimac.ko] undefined!
Signed-off-by: Chen Gang <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
two nouveau fixes.
* 'linux-3.18' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau: fix regression on agp boards
drm/gt215/gr: fix initialisation on gddr5 boards
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Extends the fix in f2f9a2cbaf019481feefe231f996d3602612fa99 to also
workaround permission issues noticed by people using AGP systems.
Cc: [email protected] # 3.16: f2f9a2c: drm/nouveau: fix regression
Cc: [email protected] # 3.16+
Signed-off-by: Ben Skeggs <[email protected]>
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The binary driver modifies the default context to have this value, rather
than 0x3d0040, *after* it's filled the buffer with the usual golden data.
We don't really have anything in place to locate the correct offset to do
these type of modifications outside of the generation function, so this
will have to do.
Signed-off-by: Ben Skeggs <[email protected]>
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The ELD ALSA control change event is sent by hdmi_present_sense() when
eld_changed is true.
Currently, it is only true when the ELD buffer contents have been
modified. However, the user-visible ELD controls also change to a
zero-length value and back when eld_valid is unset/set, and no event is
currently sent in such cases (such as when unplugging or replugging a
sink).
Fix the code to always set eld_changed if eld_valid value is changed,
and therefore to always send the change event when the user-visible
value changes.
Signed-off-by: Anssi Hannula <[email protected]>
Cc: David Henningsson <[email protected]>
Cc: <[email protected]> # 3.9+
Signed-off-by: Takashi Iwai <[email protected]>
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Adding support for Steinberg UR22 USB interface via quirks table patch
See Ubuntu bug report:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317244
Also see threads:
http://linux-audio.4202.n7.nabble.com/Support-for-Steinberg-UR22-Yamaha-USB-chipset-0499-1509-tc82888.html#a82917
http://www.steinberg.net/forums/viewtopic.php?t=62290
Tested by at least 4 people judging by the threads.
Did not test MIDI interface, but audio output and capture both are
functional. Built 3.17 kernel with this driver on Ubuntu 14.04 & tested with mpg123
Patch applied to 3.13 Ubuntu kernel works well enough for daily use.
Signed-off-by: Vlad Catoi <[email protected]>
Acked-by: Clemens Ladisch <[email protected]>
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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This patch sets the headphones mode to default before suspending
which helps avoid the pop noise on headphones
Signed-off-by: Harsha Priya <[email protected]>
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
first set of i915 fixes, all over.
* tag 'drm-intel-next-fixes-2014-10-17' of git://anongit.freedesktop.org/drm-intel:
drm/i915: fix short vs. long hpd detection
drm/i915: Don't trust the DP_DETECT bit for eDP ports on CHV
drm/i915: properly reenable gen8 pipe IRQs
drm/i915: Move DIV_ROUND_CLOSEST_ULL macro to header
drm/i915: intel_backlight scale() math WA
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into drm-fixes
First round of fixes for 3.18.
- Use gart for DMA ring tests to avoid caching issues with HDP
- SI dpm stability fixes
- Performance stabilization fixes
- misc other things
* 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: reduce sparse false positive warnings
drm/radeon: fix vm page table block size calculation
drm/ttm: Don't evict BOs outside of the requested placement range
drm/ttm: Don't skip fpfn check if lpfn is 0 in ttm_bo_mem_compat
drm/radeon: use gart memory for DMA ring tests
drm/radeon: fix speaker allocation setup
drm/radeon: initialize sadb to NULL in the audio code
Revert "drm/radeon/dpm: drop clk/voltage dependency filters for SI"
Revert "drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table"
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Include linux/err.h to get the definitions for IS_ERR() PTR_ERR() and
ERR_PTR() used in the driver.
This fixes compilation on powerpc targets.
Signed-off-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A batch of fixes that have come in during the merge window.
Some of them are defconfig updates for things that have now landed,
some errata additions and a few general scattered fixes.
There's also a qcom DT update that adds support for SATA on AP148, and
basic support for Sony Xperia Z1 and CM-QS600 platforms that seemed
isolated enough that we could merge it even if it's late"
* tag 'arm-soc-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: corrected bcm2835 search
ARM: dts: Explicitly set dr_mode on exynos5420-arndale-octa
ARM: dts: Explicitly set dr_mode on exynos Peach boards
ARM: dts: qcom: add CM-QS600 board
ARM: dts: qcom: Add initial DTS file for Sony Xperia Z1 phone
ARM: dts: qcom: Add SATA support on IPQ8064/AP148
MAINTAINERS: Update Santosh Shilimkar's email id
ARM: sunxi_defconfig: enable CONFIG_REGULATOR
ARM: dts: Disable smc91x on n900 until bootloader dependency is removed
ARM: omap2plus_defconfig: Enable ARM erratum 430973 for omap3
ARM: exynos_defconfig: enable USB gadget support
ARM: exynos_defconfig: Enable Maxim 77693 and I2C GPIO drivers
ARM: mm: Fix ifdef around cpu_*_do_[suspend, resume] ops
ARM: EXYNOS: Fix build with PM_SLEEP=n and ARM_EXYNOS_CPUIDLE=n
ARM: SAMSUNG: Restore Samsung PM Debug functionality
ARM: dts: Fix pull setting in sd4_width8 pin group for exynos4x12
ARM: exynos_defconfig: Enable SBS battery support
ARM: exynos_defconfig: Enable Control Groups support
ARM: exynos_defconfig: Enable Atmel maXTouch support
ARM: exynos_defconfig: Enable MAX77802
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Pull audit updates from Eric Paris:
"So this change across a whole bunch of arches really solves one basic
problem. We want to audit when seccomp is killing a process. seccomp
hooks in before the audit syscall entry code. audit_syscall_entry
took as an argument the arch of the given syscall. Since the arch is
part of what makes a syscall number meaningful it's an important part
of the record, but it isn't available when seccomp shoots the
syscall...
For most arch's we have a better way to get the arch (syscall_get_arch)
So the solution was two fold: Implement syscall_get_arch() everywhere
there is audit which didn't have it. Use syscall_get_arch() in the
seccomp audit code. Having syscall_get_arch() everywhere meant it was
a useless flag on the stack and we could get rid of it for the typical
syscall entry.
The other changes inside the audit system aren't grand, fixed some
records that had invalid spaces. Better locking around the task comm
field. Removing some dead functions and structs. Make some things
static. Really minor stuff"
* git://git.infradead.org/users/eparis/audit: (31 commits)
audit: rename audit_log_remove_rule to disambiguate for trees
audit: cull redundancy in audit_rule_change
audit: WARN if audit_rule_change called illegally
audit: put rule existence check in canonical order
next: openrisc: Fix build
audit: get comm using lock to avoid race in string printing
audit: remove open_arg() function that is never used
audit: correct AUDIT_GET_FEATURE return message type
audit: set nlmsg_len for multicast messages.
audit: use union for audit_field values since they are mutually exclusive
audit: invalid op= values for rules
audit: use atomic_t to simplify audit_serial()
kernel/audit.c: use ARRAY_SIZE instead of sizeof/sizeof[0]
audit: reduce scope of audit_log_fcaps
audit: reduce scope of audit_net_id
audit: arm64: Remove the audit arch argument to audit_syscall_entry
arm64: audit: Add audit hook in syscall_trace_enter/exit()
audit: x86: drop arch from __audit_syscall_entry() interface
sparc: implement is_32bit_task
sparc: properly conditionalize use of TIF_32BIT
...
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