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Fix new s390 kernel-doc warning:
Warning(arch/s390/include/asm/ccwgroup.h:27): No description found for parameter 'ungroup_work'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: linux-s390@vger.kernel.org
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.com
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Do the following changes:
- Document new /proc/vmcore interface
- Document partition dump external initramfs with s390-tools-1.24.0
- Remove initramfs config file because initramfs is now built automatically
in s390-tools
- Replace description of kernel config options with "make zfcpdump_defconfig"
- Some editorial changes
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Currently there are two s390 kernel dump config options "CONFIG_ZFCPDUMP"
and "CONFIG_CRASH_DUMP". In order to keep things simple and because the
"CONFIG_ZFCPDUMP" option already has a dependency to "CONFIG_CRASH_DUMP"
remove the CONFIG_ZFCPDUMP option.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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This is not necessary anymore, since the offending code is gone with
the conversion to the memblock code.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>-
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Use lowcore constant to improve the code generated for spinlocks.
[ Martin Schwidefsky: patch breakdown and code beautification ]
Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Improve the spinlock code in several aspects:
- Have _raw_compare_and_swap return true if the operation has been
successful instead of returning the old value.
- Remove the "volatile" from arch_spinlock_t and arch_rwlock_t
- Rename 'owner_cpu' to 'lock'
- Add helper functions arch_spin_trylock_once / arch_spin_tryrelease_once
[ Martin Schwidefsky: patch breakdown and code beautification ]
Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The original bootmem allocator is getting replaced by memblock. To
cover the needs of the s390 kdump implementation the physical memory
list is used.
With this patch the bootmem allocator and its bitmaps are completely
removed from s390.
Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add the physmem list to the memblock structure. This list only exists
if HAVE_MEMBLOCK_PHYS_MAP is selected and contains the unmodified
list of physically available memory. It differs from the memblock
memory list as it always contains all memory ranges even if the
memory has been restricted, e.g. by use of the mem= kernel parameter.
Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Refactor the memblock code and extend the memblock API to make it
more flexible. With the extended API it is simple to define and
work with additional memory lists.
The static functions memblock_add_region and __memblock_remove are
renamed to memblock_add_range and meblock_remove_range and added to
the memblock API.
The __next_free_mem_range and __next_free_mem_range_rev functions
are replaced with calls to the more generic list walkers
__next_mem_range and __next_mem_range_rev.
To walk an arbitrary memory list two new macros for_each_mem_range
and for_each_mem_range_rev are added. These new macros are used
to define for_each_free_mem_range and for_each_free_mem_range_reverse.
Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/core
Pull perf/core improvements and fixes from Jiri Olsa:
* Add libdw DWARF post unwind support for ARM (Jean Pihet)
* Consolidate types.h for ARM and ARM64 (Jean Pihet)
* Fix possible null pointer dereference in session.c (Masanari Iida)
* Cleanup, remove unused variables in map_switch_event() (Dongsheng Yang)
* Remove nr_state_machine_bugs in perf latency (Dongsheng Yang)
* Remove usage of trace_sched_wakeup(.success) (Peter Zijlstra)
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The new gpiod API supports automatic handling of active-high/active-low
with DT. To make it possible to use that when booting with DT, change
the driver's handling of the enable GPIO to use gpiod.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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git://git.stlinux.com/devel/kernel/linux-sti into next/soc
Merge "ARM: STi: SoC changes for v3.16" from Maxime Coquelin:
SoC changes for STi platforms
- Add support for STiH407
* tag 'sti-soc-for-v3.16' of git://git.stlinux.com/devel/kernel/linux-sti:
ARM: STi: Add STiH407 SoC support
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Merge "Renesas ARM Based SoC soc-cleanup Updates for v3.16" from Simon Horman:
r8a7791 (R-Car H2) SoC and its Koelsch board and,
r8a7740 (R-Mobile A1) SoC and its Armadillo800eva board
* Set CPU clock frequency from OF nodes
* tag 'renesas-soc-cleanup-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Set clock frequency in HZ from OF nodes
ARM: shmobile: Use shmobile_init_late() on r8a7740
ARM: shmobile: Remove unused r8a7791_init_early()
ARM: shmobile: Use r8a7791 DT CPU Frequency for Koelsch
ARM: shmobile: Use r8a7791 DT CPU Frequency in common case
ARM: shmobile: Remove unused r8a7740_init_delay()
ARM: shmobile: Use r8a7740 DT CPU Frequency for Armadillo DT Ref
ARM: shmobile: Use r8a7740 DT CPU Frequency in common case
ARM: shmobile: Add r8a7740 Maximum CPU Frequency to DTS
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Merge "Second Round of Renesas ARM Based SoC Clock Updates for v3.16" from
Simon Horman:
r8a7791 (R-Car M2) SoC
* Correct SYS-DMAC clock defines
r8a7740 (R-Mobile A1) SoC
* Correct name of DT Ethernet clock
* tag 'renesas-clock2-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7791: Correct SYS-DMAC clock defines
ARM: shmobile: r8a7740: Correct name of DT Ethernet clock
Signed-off-by: Olof Johansson <olof@lixom.net>
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Bring in the cleanup branch due to conflicts in new additions. Should really
have been the base before the other branch, but this way works too.
* cleanup/kconfig:
ARM: qcom: clean-up unneeded kconfig selects
ARM: bcm: clean-up unneeded kconfig selects
ARM: mvebu: clean-up unneeded kconfig selects
Signed-off-by: Olof Johansson <olof@lixom.net>
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Fixes a LVDS bleed issue on Lenovo W530 that can occur under a
number of circumstances.
Cc: <stable@vger.kernel.org > # v3.9+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Martin Peres <martin.peres@free.fr>
Tested-by: SaveTheRobots <john.rowley08@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
Merge "Third Round of Renesas ARM Based SoC DT Updates for v3.16" from Simon
Horman:
r8a7791 (R-Car M2), r8a7779 (R-Car H1), r8a7778 (R-Car M1),
r8a7740 (R-Mobile A1) and r8a73a4 (R-Mobile APE6) SoCs
* Move interrupt-parent property to root node
r8a7791 (R-Car M2) and r8a7790 (R-Car H2) SoCs
* Add GPIO clocks
r8a7791 (R-Car M2) based Henninger board
* Add MSIOF0, QSPI and SDHI0/2 support
* Specify EXTAL frequency
r8a7779 (R-Car H1) based Marzen board
* Set SMSC lan to use irq-push-pull
r8a7740 (R-Mobile A1) SoC
* Remove duplicate interrupt-parent property
r8a7740 (R-Mobile A1) based Armadillo800 EVA board
* Add Ethernet support
* tag 'renesas-dt3-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7740 dtsi: Remove duplicate interrupt-parent property
ARM: shmobile: marzen-reference: Set SMSC lan to use irq-push-pull
ARM: shmobile: r8a7791 dtsi: Add GPIO clocks
ARM: shmobile: r8a7790 dtsi: Add GPIO clocks
ARM: shmobile: dts: Move interrupt-parent property to root node
ARM: shmobile: armadillo-reference dts: Add Ethernet support
ARM: shmobile: r8a7740 dtsi: Add Ethernet support
ARM: shmobile: henninger: add MSIOF0 DT support
ARM: shmobile: henninger: add QSPI DT support
ARM: shmobile: henninger: add SDHI0/2 DT support
ARM: shmobile: henninger: specify EXTAL frequency
Signed-off-by: Olof Johansson <olof@lixom.net>
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Toradex Colibri Evaluation Board uses the DS1307 RTC and the
MCP251x CAN controller. The NVIDIA Tegra 3 based Colibri T30
module can be used on this carrier board, hence enable those
drivers in tegra_defonfig and multi_v7_defconfig.
Furthermore the NVIDIA Tegra 3 based Apalis T30 module too
contains two MCP251x CAN controller.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge "at91: DT for 3.16 #2" from Nicolas Ferre:
3.16: second DT series:
- at91sam9rl and at91sam9261 fixes about PLL ranges
- at91sam9261 more comprehensive support for SSC
- sama5d3 Xplained: addition of pull-ups, PWM and PMIC (regulator)
* tag 'at91-dt2' of git://github.com/at91linux/linux-at91:
ARM: at91/dt: at91-sama5d3_xplained: add the regulator device node
ARM: at91: add 2 PWM outputs to SAMA5D3 Xplained
ARM: at91: add PWM pinctrl to SAMA5D3
ARM: at91: add pull-up to i2c[02] on SAMA5D3 Xplained
ARM: at91/dt: sam9rl: Fix PLL output range and mck divisors
ARM: at91/dt: sam9261: Add ssc2, SSC clocks and pcks
ARM: at91/dt: sam9261: Fix PLL output ranges and other clocks divisors
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
Merge "Second Round of Renesas ARM Based SoC Boards Updates for v3.16" from
Simon Horman:
r8a7740 (R-Mobile A1) based Armadillo800 EVA board
* Minor cleanup of the Armadillo legacy board code
* tag 'renesas-boards2-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Minor cleanup of the Armadillo legacy board code
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"There are two patches in here:
The first patch greatly improves latency and corrects the memory
ordering in our light-weight atomic locking syscall.
The second patch ratelimits printing of userspace segfaults in the
same way as it's done on other platforms. This fixes a possible DOS
on parisc since it prevents the syslog to grow too fast. For example,
when the debian acl2 package was built on our debian buildd servers,
this package produced lots of gigabytes in syslog in very short time
and thus filled our harddisks, which then turned the server nearly
completely unaccessible and unresponsive"
* 'parisc-3.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Improve LWS-CAS performance
parisc: ratelimit userspace segfault printing
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull two arm64 fixes from Catalin Marinas:
- arm64 migrate_irqs() fix following commit ffde1de64012 (irqchip: Gic:
Support forced affinity setting)
- fix arm64 pud_huge() to return 0 when only 2 levels page tables are
used (__PAGETABLE_PMD_FOLDED defined and pmd_huge already covers
block entries at the first level), otherwise KVM gets confused
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: fix pud_huge() for 2-level pagetables
arm64: use cpu_online_mask when using forced irq_set_affinity
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull Metag architecture and related fixes from James Hogan:
"Mostly fixes for metag and parisc relating to upgrowing stacks.
- Fix missing compiler barriers in metag memory barriers.
- Fix BUG_ON on metag when RLIMIT_STACK hard limit is increased
beyond safe value.
- Make maximum stack size configurable. This reduces the default
user stack size back to 80MB (especially on parisc after their
removal of _STK_LIM_MAX override). This only affects metag and
parisc.
- Remove metag _STK_LIM_MAX override to match other arches and follow
parisc, now that it is safe to do so (due to the BUG_ON fix
mentioned above).
- Finally now that both metag and parisc _STK_LIM_MAX overrides have
been removed, it makes sense to remove _STK_LIM_MAX altogether"
* tag 'metag-for-v3.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
asm-generic: remove _STK_LIM_MAX
metag: Remove _STK_LIM_MAX override
parisc,metag: Do not hardcode maximum userspace stack size
metag: Reduce maximum stack size to 256MB
metag: fix memory barriers
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Pull drm/intel fixes from Dave Airlie:
"Just some intel fixes.
I have some radeon ones but I need to get some patches dropped from
the pull req"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Increase WM memory latency values on SNB
drm/i915: restore backlight precision when converting from ACPI
drm/i915: Use the first mode if there is no preferred mode in the EDID
drm/i915/dp: force eDP lane count to max available lanes on BDW
drm/i915/vlv: reset VLV media force wake request register
drm/i915/SDVO: For sysfs link put directory and target in correct order
drm/i915: use lane count and link rate from VBT as minimums for eDP
drm/i915: clean up VBT eDP link param decoding
drm/i915: consider the source max DP lane count too
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git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/dt
Merge "ARM: Keystone DTS updates for 3.16" from Santosh Shilimkar:
Keystone DTS updates for 3.16
- Few of address cell warning fixes.
- Add Lamarr and Edision EVM NOR flash and NAND devices.
- Update dts to make use of dma-ranges and dma-coherent properties.
* tag 'keystone-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ARM: dts: keystone-evm: add spi nor flash support
ARM: dts: k2l-evm: add AEMIF/NAND device entry
ARM: dts: k2e-evm: add AEMIF/NAND device entry
ARM: dts: keystone: Update USB node for dma properties
ARM: dts: keystone: Use dma-ranges property
ARM: dts: keystone: add cell's information to spi nodes
ARM: dts: keystone: move i2c0 device node from SoC to board files
ARM: dts: keystone: add cell's information to i2c nodes
ARM: dts: keystone: drop address and size cells from GIC node
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86-64, modify_ldt: Make support for 16-bit segments a runtime option
x86, mm, hugetlb: Add missing TLB page invalidation for hugetlb_cow()
x86, rdrand: When nordrand is specified, disable RDSEED as well
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single bug fix for a long standing issue:
- Updating the expiry value of a relative timer _after_ letting the
idle logic select a target cpu for the timer based on its stale
expiry value is outright stupid. Thanks to Viresh for spotting the
brainfart"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hrtimer: Set expiry time before switch_hrtimer_base()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Two small updates from the irq departement:
- Provide missing inline stub for a SMP only function
- Add sub-maintainer for the drivers/irqchip/ part of the irq
subsystem. YAY!"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Add co-maintainer for drivers/irqchip
genirq: Provide irq_force_affinity fallback for non-SMP
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git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux into next/cleanup
Merge "ARM: sirf: machine update for 3.16" from Barry Song:
Most of them fix some minor checkpatch issues according to key customers'
requirement. And this patchset also cleanups the clk of clocksource: move
to get clk by dts properity.
* tag 'sirf-soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux:
clocksource:sirf: remove the hardcode for the clk of timers
irqchip: sirf: fix one minor checkpatch issue
clocksource: prima2: fix some minor checkpatch issues
ARM: prima2: rstc: fix some minor checkpatch issues
+ Linux 3.15-rc3
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt
Merge "ARM: rockchip: devicetree changes for v3.16" from Heiko Stübner:
Addition of missing board compatible names and their vendor-prefixes
as well as the dts portions of the pinctrl rework.
* tag 'v3.16-rockchip-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: convert pinctrl nodes to new bindings
ARM: dts: rockchip: add root compatible properties
of: add mundoreader and radxa vendor prefixes
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge "ARM: mvebu: SoC changes for v3.16" from Jason Cooper:
mvebu SoC changes for v3.16
- Armada 375/38x coherency support
- Armada 375/38x SMP support
- mvebu PMSU and CPU reset support
- Armada 370/XP cpuidle support
- kirkwood remove platform init of audio device
- small fixes and cleanup for new SoC (375/38x)
Note:
- due to complex deps, cpuidle changes Acked by appropriate maintainer for
going though arm-soc tree.
* tag 'mvebu-soc-3.16' of git://git.infradead.org/linux-mvebu: (46 commits)
ARM: mvebu: Fix pmsu compilation when ARMv6 is selected
ARM: mvebu: conditionalize Armada 375 coherency workaround
ARM: mvebu: conditionalize Armada 375 SMP workaround
ARM: mvebu: add Armada 375 A0 revision definition
ARM: mvebu: initialize mvebu-soc-id earlier
ARM: mvebu: fix thermal quirk SoC revision check
ARM: Kirkwood: t5325: Remove platform device to instantiate audio
ARM: Kirkwood: Remove platform driver for codec
ARM: mvebu: Add thermal quirk for the Armada 375 DB board
ARM: mvebu: Select HAVE_ARM_TWD only if SMP is enabled
ARM: mvebu: fix the name of the parameter used in mvebu_get_soc_id
ARM: mvebu: remove unnecessary ifdef around l2x0_of_init
ARM: mvebu: register the cpuidle driver for the Armada XP SoCs
cpuidle: mvebu: Add initial CPU idle support for Armada 370/XP SoC
ARM: mvebu: Register notifier callback for the cpuidle transition
ARM: mvebu: refine which files are build in mach-mvebu
ARM: mvebu: Add the PMSU related part of the cpu idle functions
ARM: mvebu: Allow to power down L2 cache controller in idle mode
ARM: mvebu: Low level function to disable HW coherency support
ARM: mvebu: Split low level functions to manipulate HW coherency
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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into next/soc
Merge "ARM: mvebu: SoC orion5x DT conversion for v3.16" from Jason Cooper:
mvebu SoC orion5x DT conversion for v3.16
- orion5x
- convert to DT
* tag 'mvebu-soc-orion5x-3.16' of git://git.infradead.org/linux-mvebu: (29 commits)
ARM: orion: remove no longer needed gpio DT code
ARM: orion: remove no longer needed DT IRQ code
ARM: orion5x: convert Maxtor Shared Storage II to the Device Tree
ARM: orion5x: convert d2net to Device Tree
ARM: orion5x: convert RD-88F5182 to Device Tree
ARM: orion5x: remove unneeded code for edmini_v2
ARM: orion5x: keep TODO list in edmini_v2 DT
ARM: orion5x: use DT to describe NOR on edmini_v2
ARM: orion5x: use DT to describe EHCI on edmini_v2
ARM: orion5x: use DT to describe I2C devices on edmini_v2
ARM: orion5x: convert edmini_v2 to DT pinctrl
ARM: orion5x: add standard pinctrl configs for sata0 and sata1
ARM: orion5x: add Device Bus description at SoC level
ARM: orion5x: update I2C description at SoC level
ARM: orion5x: enable pinctrl driver at SoC level
ARM: orion5x: switch to DT interrupts and timer
ARM: orion: switch to a per-platform handle_irq() function
ARM: orion5x: convert to use 'clocks' property for UART controllers
ARM: orion5x: switch to use the clock driver for DT platforms
ARM: orion5x: add interrupt for Ethernet in Device Tree
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge "ARM: mvebu: DT changes for v3.16" from Jason Cooper:
mvebu DT changes for v3.16
- kirkwood
- rework nsa3x0 board to add nsa320
- large cleanup to facilitate use in barebox
- guruplug phy updates
- audio updates for t5325
- mvebu
- use clocks vice clock-frequency for uart nodes
- armada 375/380/385
- add watchdog node
- add coherency fabric
- add smp support
- add sdhci
- add ahci
- add thermal sensor
- armada 370/XP
- and pmsu
* tag 'mvebu-dt-3.16' of git://git.infradead.org/linux-mvebu: (35 commits)
ARM: Kirkwood: t5325: Use simple card to instantiate audio
ARM: Kirkwood: DT: Add missing #sound-dai-cells property
ARM: Kirkwood: Add node for audio codec
ARM: dts: kirkwood: set Guruplug phy-connection-type to rgmii-id
ARM: dts: kirkwood: set Guruplug ethernet PHY compatible
ARM: dts: kirkwood: set default pinctrl for I2C1 on 6282
ARM: dts: kirkwood: set default pinctrl for I2C0
ARM: dts: kirkwood: set default pinctrl for NAND
ARM: dts: kirkwood: set default pinctrl for SPI0
ARM: dts: kirkwood: set default pinctrl for UART0/1
ARM: dts: kirkwood: set default pinctrl for GBE1
ARM: dts: kirkwood: consolidate common pinctrl settings
ARM: dts: kirkwood: add pinctrl node to common SoC include
ARM: dts: kirkwood: rename pin-controller nodes
ARM: dts: kirkwood: remove clock-frequency properties from UART nodes
ARM: dts: kirkwood: add stdout-path property to all boards
ARM: dts: kirkwood: add node labels
ARM: mvebu: Enable the thermal sensor in Armada 380/385 SoC
ARM: mvebu: Enable the thermal sensor in Armada 375 SoC
ARM: mvebu: don't use clocks property in UART node for Netgear RN2120
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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next/boards
Merge "ARM: mvebu: defconfig changes for v3.16" from Jason Cooper:
mvebu defconfig changes for v3.16
- enable the following:
- nfsroot
- fhandle
- sdhci_pxav3
- ahci_mvebu
- spi_nor
- sound for t5325
* tag 'mvebu-defconfig-3.16' of git://git.infradead.org/linux-mvebu:
ARM: multi_v5_defconfig: Enable sound modules needed for t5325
ARM: mvebu_v5_defconfig: Enable sound modules needed for t5325
ARM: mvebu: defconfig: add MTD_SPI_NOR (new dependency for M25P80)
ARM: configs: add ahci_mvebu to mvebu_v7_defconfig
ARM: configs: add CONFIG_MMC_SDHCI_PXAV3 to the mvebu_v7_defconfig
ARM: mvebu: enable fhandle in the defconfigs
ARM: mvebu: Enable nfsroot in the defconfig
Signed-off-by: Olof Johansson <olof@lixom.net>
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next/drivers
Merge "ARM: mvebu: driver changes for v3.16" from Jason Cooper:
mvebu driver changes for v3.16
- mvebu-devbus
- changes need to add support for the orion5x platform
* tag 'mvebu-drivers-3.16' of git://git.infradead.org/linux-mvebu:
memory: mvebu-devbus: add a devbus, keep-config property
memory: mvebu-devbus: add Orion5x support
memory: mvebu-devbus: split functions
memory: mvebu-devbus: use _SHIFT suffixes instead of _BIT
memory: mvebu-devbus: use ARMADA_ prefix in defines
ARM: orion5x: fix target ID for crypto SRAM window
memory: mvebu-devbus: fix the conversion of the bus width
Signed-off-by: Olof Johansson <olof@lixom.net>
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into next
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Remove the option to provide a maximum frequency as platform data,
enforce it through DT.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Continue moving some of the block files that are scattered around.
bounce.c contains only code for bouncing the contents of a bio.
It's block proper code, not mm code.
Suggested-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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We should be checking for a 64bit platform not 64bit DMA address types in
the case of Goldfish. The Goldfish virtual platform is either 32/32 or
64/64.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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13c589d5b0ac ("sysfs: use seq_file when reading regular files")
switched sysfs from custom read implementation to seq_file to enable
later transition to kernfs. After the change, the buffer passed to
->show() is acquired through seq_get_buf(); unfortunately, this
introduces a subtle behavior change. Before the commit, the buffer
passed to ->show() was always zero as it was allocated using
get_zeroed_page(). Because seq_file doesn't clear buffers on
allocation and neither does seq_get_buf(), after the commit, depending
on the behavior of ->show(), we may end up exposing uninitialized data
to userland thus possibly altering userland visible behavior and
leaking information.
Fix it by explicitly clearing the buffer.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Ron <ron@debian.org>
Fixes: 13c589d5b0ac ("sysfs: use seq_file when reading regular files")
Cc: stable <stable@vger.kernel.org> # 3.13+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use one timer to control command timeout.
start/kick the timer every time a command is completed and a
new command is waiting, or a new command is added to a empty list.
If the timer runs out, then tag the current command as "aborted", and
start the xhci command abortion process.
Previously each function that submitted a command had its own timer.
If that command timed out, a new command structure for the
command was created and it was put on a cancel_cmd_list list,
then a pci write to abort the command ring was issued.
when the ring was aborted, it checked if the current command
was the one to be canceled, later when the ring was stopped the
driver got ownership of the TRBs in the command ring,
compared then to the TRBs in the cancel_cmd_list,
and turned them into No-ops.
Now, instead, at timeout we tag the status of the command in the
command queue to be aborted, and start the ring abortion.
Ring abortion stops the command ring and gives control of the
commands to us.
All the aborted commands are now turned into No-ops.
If the ring is already stopped when the command times outs its not possible
to start the ring abortion, in this case the command is turnd to No-op
right away.
All these changes allows us to remove the entire cancel_cmd_list code.
The functions waiting for a command to finish no longer have their own timeouts.
They will wait either until the command completes normally,
or until the whole command abortion is done.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the per-device command list and handle_cmd_in_cmd_wait_list()
and use the completion and status variables found in the
command structure in the global command list.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Create a list to store command structures, add a structure to it every time
a command is submitted, and remove it from the list once we get a
command completion event matching the command.
Callers that wait for completion will free their command structures themselves.
The other command structures are freed in the command completion event handler.
Also add a check that prevents queuing commands if host is dying
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To create a global command queue we require that each command put on the
command ring is submitted with a command structure.
Functions that queue commands and wait for completion need to allocate a command
before submitting it, and free it once completed. The following command queuing
functions need to be modified.
xhci_configure_endpoint()
xhci_address_device()
xhci_queue_slot_control()
xhci_queue_stop_endpoint()
xhci_queue_new_dequeue_state()
xhci_queue_reset_ep()
xhci_configure_endpoint()
xhci_configure_endpoint() could already be called with a command structure,
and only xhci_check_maxpacket and xhci_check_bandwidth did not do so. These
are changed and a command structure is now required. This change also simplifies
the configure endpoint command completion handling and the "goto bandwidth_change"
handling code can be removed.
In some cases the command queuing function is called in interrupt context.
These commands needs to be allocated atomically, and they can't wait for
completion. These commands will in this patch be freed directly after queuing,
but freeing will be moved to the command completion event handler in a later
patch once we get the global command queue up.(Just so that we won't leak
memory in the middle of the patch set)
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xHCI host controllers may only support a limited number of device slot
IDs, which is usually far less than the theoretical maximum number of
devices (255) that the USB specifications advertise. This is
frustrating to consumers that expect to be able to plug in a large
number of devices.
Add a print statement when the Enable Slot command fails to show how
many devices the host supports. We can't change hardware manufacturer's
design decisions, but hopefully we can save customers a little bit of
time trying to debug why their host mysteriously fails when too many
devices are plugged in.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Amund Hov <Amund.Hov@silabs.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() or pci_enable_msi_exact()
and pci_enable_msix_range() or pci_enable_msix_exact()
interfaces.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using the IS_ENABLED() macro can make the code shorter and easier to read.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Save someone else the debug cycles of figuring out why a driver's
transfer request is failing or causing undefined system behavior.
Buffers submitted for dma must come from GFP allocated / DMA-able
memory.
Return -EAGAIN matching the return value for dma_mapping_error() cases.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fix wrong port number reported when trying to enable/disable
USB2.0 hardware LPM.
Signed-off-by: Lin Wang <lin.x.wang@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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