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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"A smallish number of general cleanup commits this release cycle. Some
of these are minor tweaks:
- shmobile change of binding for their GIC (using arm,pl390 now)
- ARCH_RENESAS introduction
- Misc other renesas updates
There's also a couple of treewide commits from Masahiro Yamada
cleaning up const/__initconst for SMP operation structs and a switch
to using "depends on" instead of if-constructs on most of the Kconfig
platform targets"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
staging: board: armadillo800eva: Use "arm,pl390"
staging: board: kzm9d: Use "arm,pl390"
ARM: shmobile: r8a7778 dtsi: Use "arm,pl390" for GIC
ARM: shmobile: emev2 dtsi: Use "arm,pl390" for GIC
ARM: shmobile: r8a7740 dtsi: Use "arm,pl390" for GIC
ARM: shmobile: r7s72100 dtsi: Use "arm,pl390" for GIC
ARM: use "depends on" for SoC configs instead of "if" after prompt
ARM/clocksource: use automatic DT probing for ux500 PRCMU
ARM: use const and __initconst for smp_operations
ARM: hisi: do not export smp_operations structures
ARM: mvebu: remove unused mach/gpio.h
ARM: shmobile: Remove legacy mach/irqs.h
ARM: shmobile: Introduce ARCH_RENESAS
MAINTAINERS: Remove link to oss.renesas.com which is closed
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull non-urgent ARM SoC fixes from Olof Johansson:
"As usual, we queue up a few fixes that don't seem urgent enough to go
in through -rc.
- MAINTAINERS updates to add a list for brcmstb and fix a typo
- A handful of fixes for OMAP 81xx, a recently resurrected platform
so these can't be considered real regressions and thus got queued.
- A couple of other small fixes for scoop, sa1100 and davinci"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: OMAP2+: Fix randconfig build warning for dm814_pllss_data
ARM: sa1100/simpad: Be sure to clamp return value
ARM: scoop: Be sure to clamp return value
ARM: davinci: fix a problematic usage of WARN()
ARM: davinci: only select WT cache if cache is enabled
ARM: OMAP2+: Remove useless check for legacy booting for dm814x
ARM: OMAP2+: Enable GPIO for dm814x
ARM: dts: Fix dm814x pinctrl address and mask
ARM: dts: Fix dm8148 control modules ranges
ARM: OMAP2+: Fix timer entries for dm814x
ARM: dts: Fix some mux and divider clocks to get dm814x-evm booting
ARM: OMAP2+: Add DPPLS clock manager for dm814x
clk: ti: Add few dm814x clock aliases
ARM: dts: Fix dm814x entries for pllss and prcm
MAINTAINERS: gpio-brcmstb: Remove stray '>'
MAINTAINERS: brcmstb: Include Broadcom internal mailing-list
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"The asm-generic tree this time contains one series from Nicolas Pitre
that makes the optimized do_div() implementation from the ARM
architecture available to all architectures.
This also adds stricter type checking for callers of do_div, which has
uncovered a number of bugs in existing code, and fixes up the ones we
have found"
* tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
ARM: asm/div64.h: adjust to generic codde
__div64_32(): make it overridable at compile time
__div64_const32(): abstract out the actual 128-bit cross product code
do_div(): generic optimization for constant divisor on 32-bit machines
div64.h: optimize do_div() for power-of-two constant divisors
mtd/sm_ftl.c: fix wrong do_div() usage
drm/mgag200/mgag200_mode.c: fix wrong do_div() usage
hid-sensor-hub.c: fix wrong do_div() usage
ti/fapll: fix wrong do_div() usage
ti/clkt_dpll: fix wrong do_div() usage
tegra/clk-divider: fix wrong do_div() usage
imx/clk-pllv2: fix wrong do_div() usage
imx/clk-pllv1: fix wrong do_div() usage
nouveau/nvkm/subdev/clk/gk20a.c: fix wrong do_div() usage
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
"The highlights this round include:
- Introduce configfs support for unlocked configfs_depend_item()
(krzysztof + andrezej)
- Conversion of usb-gadget target driver to new function registration
interface (andrzej + sebastian)
- Enable qla2xxx FC target mode support for Extended Logins (himansu +
giridhar)
- Enable qla2xxx FC target mode support for Exchange Offload (himansu +
giridhar)
- Add qla2xxx FC target mode irq affinity notification + selective
command queuing. (quinn + himanshu)
- Fix iscsi-target deadlock in se_node_acl configfs deletion (sagi +
nab)
- Convert se_node_acl configfs deletion + se_node_acl->queue_depth to
proper se_session->sess_kref + target_get_session() usage. (hch +
sagi + nab)
- Fix long-standing race between se_node_acl->acl_kref get and
get_initiator_node_acl() lookup. (hch + nab)
- Fix target/user block-size handling, and make sure netlink reaches
all network namespaces (sheng + andy)
Note there is an outstanding bug-fix series for remote I_T nexus port
TMR LUN_RESET has been posted and still being tested, and will likely
become post -rc1 material at this point"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (56 commits)
scsi: qla2xxxx: avoid type mismatch in comparison
target/user: Make sure netlink would reach all network namespaces
target: Obtain se_node_acl->acl_kref during get_initiator_node_acl
target: Convert ACL change queue_depth se_session reference usage
iscsi-target: Fix potential dead-lock during node acl delete
ib_srpt: Convert acl lookup to modern get_initiator_node_acl usage
tcm_fc: Convert acl lookup to modern get_initiator_node_acl usage
tcm_fc: Wait for command completion before freeing a session
target: Fix a memory leak in target_dev_lba_map_store()
target: Support aborting tasks with a 64-bit tag
usb/gadget: Remove set-but-not-used variables
target: Remove an unused variable
target: Fix indentation in target_core_configfs.c
target/user: Allow user to set block size before enabling device
iser-target: Fix non negative ERR_PTR isert_device_get usage
target/fcoe: Add tag support to tcm_fc
qla2xxx: Check for online flag instead of active reset when transmitting responses
qla2xxx: Set all queues to 4k
qla2xxx: Disable ZIO at start time.
qla2xxx: Move atioq to a different lock to reduce lock contention
...
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args->pitch and args->size may not be set by userspace, sometimes
userspace only malloc args and not memset args to zero, then
args->pitch and args->size is random, it is very danger to use
pitch/size on gem.
pitch's type is u32, and min_pitch's type is int, example,
pitch is 0xffffffff, then pitch < min_pitch return true, then gem will
alloc very very big bufffer, it would eat all the memory and cause kernel
crash.
Stop using pitch/size from args, calc them from other args.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
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do_div is the wrong way to divide a sector_t, as it is less efficient
when sector_t is 32-bit wide. With the upcoming do_div optimizations,
the kernel starts warning about this:
drivers/memstick/core/ms_block.c: In function 'msb_io_work':
include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast
This changes the code to use sector_div instead, which always produces
optimal code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This wasn't an asm-generic header to start with, and can be merged into
dma-mapping.h trivially.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Helge Deller <deller@gmx.de>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move the generic implementation to <linux/dma-mapping.h> now that all
architectures support it and remove the HAVE_DMA_ATTR Kconfig symbol now
that everyone supports them.
[valentinrothberg@gmail.com: remove leftovers in Kconfig]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Helge Deller <deller@gmx.de>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This series converts all remaining architectures to use dma_map_ops and
the generic implementation of the DMA API. This not only simplifies the
code a lot, but also prepares for possible future changes like more
generic non-iommu dma_ops implementations or generic per-device
dma_map_ops.
This patch (of 16):
We have a couple architectures that do not want to support this code, so
add another Kconfig symbol that disables the code similar to what we do
for the nommu case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drivers/iio/industrialio-sw-trigger.c:169:1-3: WARNING: PTR_ERR_OR_ZERO can be used
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
Generated by: scripts/coccinelle/api/ptr_ret.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Octavian Purdila <octavian.purdila@intel.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Adriana Reus <adriana.reus@intel.com>
Cc: Daniel Baluta <daniel.baluta@intel.com>
Cc: Cristina Opriceana <cristina.opriceana@gmail.com>
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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UBSAN uses compile-time instrumentation to catch undefined behavior
(UB). Compiler inserts code that perform certain kinds of checks before
operations that could cause UB. If check fails (i.e. UB detected)
__ubsan_handle_* function called to print error message.
So the most of the work is done by compiler. This patch just implements
ubsan handlers printing errors.
GCC has this capability since 4.9.x [1] (see -fsanitize=undefined
option and its suboptions).
However GCC 5.x has more checkers implemented [2].
Article [3] has a bit more details about UBSAN in the GCC.
[1] - https://gcc.gnu.org/onlinedocs/gcc-4.9.0/gcc/Debugging-Options.html
[2] - https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html
[3] - http://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/
Issues which UBSAN has found thus far are:
Found bugs:
* out-of-bounds access - 97840cb67ff5 ("netfilter: nfnetlink: fix
insufficient validation in nfnetlink_bind")
undefined shifts:
* d48458d4a768 ("jbd2: use a better hash function for the revoke
table")
* 10632008b9e1 ("clockevents: Prevent shift out of bounds")
* 'x << -1' shift in ext4 -
http://lkml.kernel.org/r/<5444EF21.8020501@samsung.com>
* undefined rol32(0) -
http://lkml.kernel.org/r/<1449198241-20654-1-git-send-email-sasha.levin@oracle.com>
* undefined dirty_ratelimit calculation -
http://lkml.kernel.org/r/<566594E2.3050306@odin.com>
* undefined roundown_pow_of_two(0) -
http://lkml.kernel.org/r/<1449156616-11474-1-git-send-email-sasha.levin@oracle.com>
* [WONTFIX] undefined shift in __bpf_prog_run -
http://lkml.kernel.org/r/<CACT4Y+ZxoR3UjLgcNdUm4fECLMx2VdtfrENMtRRCdgHB2n0bJA@mail.gmail.com>
WONTFIX here because it should be fixed in bpf program, not in kernel.
signed overflows:
* 32a8df4e0b33f ("sched: Fix odd values in effective_load()
calculations")
* mul overflow in ntp -
http://lkml.kernel.org/r/<1449175608-1146-1-git-send-email-sasha.levin@oracle.com>
* incorrect conversion into rtc_time in rtc_time64_to_tm() -
http://lkml.kernel.org/r/<1449187944-11730-1-git-send-email-sasha.levin@oracle.com>
* unvalidated timespec in io_getevents() -
http://lkml.kernel.org/r/<CACT4Y+bBxVYLQ6LtOKrKtnLthqLHcw-BMp3aqP3mjdAvr9FULQ@mail.gmail.com>
* [NOTABUG] signed overflow in ktime_add_safe() -
http://lkml.kernel.org/r/<CACT4Y+aJ4muRnWxsUe1CMnA6P8nooO33kwG-c8YZg=0Xc8rJqw@mail.gmail.com>
[akpm@linux-foundation.org: fix unused local warning]
[akpm@linux-foundation.org: fix __int128 build woes]
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Yury Gribov <y.gribov@samsung.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Kostya Serebryany <kcc@google.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use kobj_to_dev() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Acked-by: "Bounine, Alexandre" <Alexandre.Bounine@idt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The only user of the lvalue-ness of the cpu_*_mask variables is in
drivers/base/cpu.c, and that is mostly a work-around for the fact that not
even const variables can be used in static initialization. Now that the
underlying struct cpumasks are exposed we can take their address.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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open-coding
Now that we have a generic library function for this, replace the
open-coded instance.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: <zajec5@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Now that we have a generic library function for this, replace the
open-coded instance.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Cc: <zajec5@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix build when CONFIG_SERIAL_8250=m and CONFIG_IBM_ASM=y.
Fixes these build errors:
drivers/built-in.o: In function `ibmasm_remove_one':
module.c:(.text+0xf6874): undefined reference to `ibmasm_unregister_uart'
drivers/built-in.o: In function `ibmasm_init_one':
module.c:(.text+0xf6c37): undefined reference to `ibmasm_register_uart'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Max Asbock <masbock@us.ibm.com>
Cc: Vernon Mauery <vernux@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit ca369d51b3e1 ("block/sd: Fix device-imposed transfer length
limits") accidentally switched optimal I/O size reporting from bytes to
block layer sectors.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Fixes: ca369d51b3e1649be4a72addd6d6a168cfb3f537
Cc: stable@vger.kernel.org # 4.4+
Reviewed-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
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The HiSilicon SAS HBA is available in HiSilicon arm64 SoCs only.
Restrict it to arm64, unless compile-testing.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If NO_DMA=y:
ERROR: "dma_map_sg" [drivers/scsi/hisi_sas/hisi_sas_v1_hw.ko] undefined!
ERROR: "dma_pool_alloc" [drivers/scsi/hisi_sas/hisi_sas_v1_hw.ko] undefined!
ERROR: "dma_unmap_sg" [drivers/scsi/hisi_sas/hisi_sas_v1_hw.ko] undefined!
ERROR: "dma_unmap_sg" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_set_mask" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_map_sg" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_pool_destroy" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_free_coherent" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_pool_free" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_alloc_coherent" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_pool_alloc" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_supported" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
ERROR: "dma_pool_create" [drivers/scsi/hisi_sas/hisi_sas_main.ko] undefined!
Add a dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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* pm-cpuidle:
cpuidle: menu: Avoid pointless checks in menu_select()
sched / idle: Drop default_idle_call() fallback from call_cpuidle()
cpuidle: Don't enable all governors by default
cpuidle: Default to ladder governor on ticking systems
time: nohz: Expose tick_nohz_enabled
cpuidle: menu: Fix menu_select() for CPUIDLE_DRIVER_STATE_START == 0
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* pm-devfreq:
MAINTAINERS: Add devfreq-event entry
MAINTAINERS: Add missing git repository and directory for devfreq
PM / devfreq: Do not show statistics if it's not ready.
PM / devfreq: Modify the indentation of trans_stat sysfs for readability
PM / devfreq: Set the freq_table of devfreq device
PM / devfreq: Add show_one macro to delete the duplicate code
PM / devfreq: event: Fix the error and warning from script/checkpatch.pl
PM / devfreq: event: Remove the error log of devfreq_event_get_edev_by_phandle()
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* pm-core:
driver core: Avoid NULL pointer dereferences in device_is_bound()
platform: Do not detach from PM domains on shutdown
USB / PM: Allow USB devices to remain runtime-suspended when sleeping
PM / sleep: Go direct_complete if driver has no callbacks
PM / Domains: add setter for dev.pm_domain
device core: add device_is_bound()
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* acpica:
ACPICA: Update version to 20160108
ACPICA: Silence a -Wbad-function-cast warning when acpi_uintptr_t is 'uintptr_t'
ACPICA: Additional 2016 copyright changes
ACPICA: Reduce regression fix divergence from upstream ACPICA
* acpi-video:
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830
ACPI / video: Revert "thinkpad_acpi: Use acpi_video_handles_brightness_key_presses()"
ACPI / video: Document acpi_video_handles_brightness_key_presses() a bit
ACPI / video: Fix using an uninitialized mutex / list_head in acpi_video_handles_brightness_key_presses()
ACPI / video: Revert "ACPI / video: driver must be registered before checking for keypresses"
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Portege R700
* acpi-fan:
ACPI / fan: Improve acpi_device_update_power error message
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These short function names are hard to search. Rename them to make vim happy.
Signed-off-by: Shaohua Li <shli@fb.com>
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"Here is my second pull request for this window:
A few driver fixes have piled up and one missed rcar bindings patch
which got somehow lost in for-linus branch so cherry-picked that one.
Fixes are for dw, at_hdmac, edma"
* tag 'dmaengine-fix-4.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: rcar-dmac: Document SoC specific bindings
dmaengine: at_xdmac: fix resume for cyclic transfers
dmaengine: dw: fix cyclic transfer callbacks
dmaengine: dw: fix cyclic transfer setup
dmaengine: edma: Fix paRAM slot allocation for entry channel 0
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild updates from Michal Marek:
- Fix for make O=... perf-tar*
- make tags revamp and fix for the fallout. Patch for warnings about
line breaks inside DEFINE_PER_CPU macros is pending
- New coccinelle test
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
coccinelle: tests: unsigned value cannot be lesser than zero
tags: Unify emacs and exuberant rules
tags: Drop the _PE rule
tags: Do not try to index defconfigs
tags: Process Kconfig files in a single pass
tags: Fix erroneous pattern match in a comment
aic7xxx: Avoid name collision with <linux/list.h>
tags: Treat header files as C code
package Makefile: fix perf-tar targets when outdir is set
scripts/tags.sh: Teach tags about more powerpc macros
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* pci/trivial:
PCI: shpchp: Constify hpc_ops structure
PCI: Use kobj_to_dev() instead of open-coding it
PCI: Use to_pci_dev() instead of open-coding it
PCI: Fix all whitespace issues
PCI/MSI: Fix typos in <linux/msi.h>
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* pci/iommu:
PCI: Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183
* pci/misc:
PCI: Limit config space size for Netronome NFP4000
PCI: Add Netronome NFP4000 PF device ID
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Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183.
Signed-off-by: Tim Sander <tim@krieglstein.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek:
- Make <modname>-m in makefiles work like <modname>-y and fix the
fallout
- Minor genksyms fix
- Fix race with make -j install modules_install
- Move -Wsign-compare from make W=1 to W=2
- Other minor fixes
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Demote 'sign-compare' warning to W=2
Makefile: revert "Makefile: Document ability to make file.lst and file.S" partially
kbuild: Do not run modules_install and install in paralel
genksyms: Handle string literals with spaces in reference files
fixdep: constify strrcmp arguments
ath10k: Fix build with CONFIG_THERMAL=m
Revert "drm: Hack around CONFIG_AGP=m build failures"
kbuild: Allow to specify composite modules with modname-m
staging/ad7606: Actually build the interface modules
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Commit 13ae42a3b1c1 ("h8300: Rename ctlr_out/in[bwl] to
raw_read/write[bwl]") changed the function names, but not all callers,
resulting in
drivers/irqchip/irq-renesas-h8s.c: In function ‘h8s_disable_irq’:
drivers/irqchip/irq-renesas-h8s.c:43:9: error:
implicit declaration of function ‘ctrl_inw’
drivers/irqchip/irq-renesas-h8s.c:44:2: error:
implicit declaration of function ‘ctrl_outw’
Fixes: 13ae42a3b1c1 ("h8300: Rename ctlr_out/in[bwl] to raw_read/write[bwl]")
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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CISTPL_SDIO_STD(0x91) is a known tuple, but sdio_cis don't define it, so
we get the warning below while probing several sdio wifi cards.
Refer to SDIO spec, it's not needed to parse the tuple, so this patch make
it a known one.
[ 4.098980] mmc2: queuing unknown CIS tuple 0x91 (3 bytes)
[ 4.099033] mmc2: new ultra high speed SDR104 SDIO card at address 0001
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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A recent bug fix added code that does
bool logged_out = (status & 0xFFFF);
if (logged_out == CTIO_PORT_LOGGED_OUT)
...
This looks wrong because we are comparing a boolean with an
integer constant, ang gcc warns about it accordingly:
drivers/scsi/qla2xxx/qla_target.c: In function 'qlt_do_ctio_completion':
drivers/scsi/qla2xxx/qla_target.c:3587:20: warning: comparison of constant '41' with boolean expression is always false [-Wbool-compare]
(logged_out == CTIO_PORT_LOGGED_OUT) ?
The correct fix is presumably to make that variable an 'int'.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 71cdc0796465 ("qla2xxx: Delete session if initiator is gone from FW")
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The current code only allow netlink to reach the initial network namespace,
which caused trouble for any client running inside container.
This patch would make sure TCMU netlink would work for all network
namespaces.
Signed-off-by: Sheng Yang <sheng@yasker.org>
Acked-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch addresses a long standing race where obtaining
se_node_acl->acl_kref in __transport_register_session()
happens a bit too late, and leaves open the potential
for core_tpg_del_initiator_node_acl() to hit a NULL
pointer dereference.
Instead, take ->acl_kref in core_tpg_get_initiator_node_acl()
while se_portal_group->acl_node_mutex is held, and move the
final target_put_nacl() from transport_deregister_session()
into transport_free_session() so that fabric driver login
failure handling using the modern method to still work
as expected.
Also, update core_tpg_get_initiator_node_acl() to take
an extra reference for dynamically generated acls for
demo-mode, before returning to fabric caller. Also
update iscsi-target sendtargets special case handling
to use target_tpg_has_node_acl() when checking if
demo_mode_discovery == true during discovery lookup.
Note the existing wait_for_completion(&acl->acl_free_comp)
in core_tpg_del_initiator_node_acl() does not change.
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts core_tpg_set_initiator_node_queue_depth()
to use struct se_node_acl->acl_sess_list when performing
explicit se_tpg_tfo->shutdown_session() for active sessions,
in order for new se_node_acl->queue_depth to take effect.
This follows how core_tpg_del_initiator_node_acl() currently
works when invoking se_tpg_tfo->shutdown-session(), and ahead
of the next patch to take se_node_acl->acl_kref during lookup,
the extra get_initiator_node_acl() can go away. In order to
achieve this, go ahead and change target_get_session() to use
kref_get_unless_zero() and propigate up the return value
to know when a session is already being released.
This is because se_node_acl->acl_group is already protecting
se_node_acl->acl_group reference via configfs, and shutdown
within core_tpg_del_initiator_node_acl() won't occur until
sys_write() to core_tpg_set_initiator_node_queue_depth()
attribute returns back to user-space.
Also, drop the left-over iscsi-target hack, and obtain
se_portal_group->session_lock in lio_tpg_shutdown_session()
internally. Remove iscsi-target wrapper and unused se_tpg +
force parameters and associated code.
Reported-by: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch is a iscsi-target specific bug-fix for a dead-lock
that can occur during explicit struct se_node_acl->acl_group
se_session deletion via configfs rmdir(2), when iscsi-target
time2retain timer is still active.
It changes iscsi-target to obtain se_portal_group->session_lock
internally using spin_in_locked() to check for the specific
se_node_acl configfs shutdown rmdir(2) case.
Note this patch is intended for stable, and the subsequent
v4.5-rc patch converts target_core_tpg.c to use proper
se_sess->sess_kref reference counting for both se_node_acl
deletion + se_node_acl->queue_depth se_session restart.
Reported-by:: Sagi Grimberg <sagig@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Add intel punit and telemetry driver for APL SoCs.
Add intel-hid driver for various laptop hotkey support.
Add asus-wireless radio control driver.
Keyboard backlight support/improvements for ThinkPads, Vaio, and Toshiba.
Several hotkey related fixes and improvements for dell and toshiba.
Fix oops on dual GPU Macs in apple-gmux.
A few new device IDs and quirks.
Various minor config related build issues and cleanups.
surface pro 4:
- fix compare_const_fl.cocci warnings
- Add support for Surface Pro 4 Buttons
platform/x86:
- Add Intel Telemetry Debugfs interfaces
- Add Intel telemetry platform device
- Add Intel telemetry platform driver
- Add Intel Telemetry Core Driver
- add NULL check for input parameters
- add Intel P-Unit mailbox IPC driver
- update acpi resource structure for Punit
thinkpad_acpi:
- Add support for keyboard backlight
dell-wmi:
- Process only one event on devices with interface version 0
- Check if Dell WMI descriptor structure is valid
- Improve unknown hotkey handling
- Use a C99-style array for bios_to_linux_keycode
tc1100-wmi:
- fix build warning when CONFIG_PM not enabled
asus-wireless:
- Add ACPI HID ATK4001
- Add Asus Wireless Radio Control driver
asus-wmi:
- drop to_platform_driver macro
intel-hid:
- new hid event driver for hotkeys
sony-laptop:
- Keyboard backlight control for some Vaio Fit models
ideapad-laptop:
- Add Lenovo ideapad Y700-17ISK to no_hw_rfkill dmi list
apple-gmux:
- Assign apple_gmux_data before registering
toshiba_acpi:
- Add rfkill dependency to ACPI_TOSHIBA entry
- Fix keyboard backlight sysfs entries not being updated
- Add WWAN RFKill support
- Add support for WWAN devices
- Fix blank screen at boot if transflective backlight is supported
- Propagate the hotkey value via genetlink
toshiba_bluetooth:
- Add missing newline in toshiba_bluetooth_present function"
* tag 'platform-drivers-x86-v4.5-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (29 commits)
surface pro 4: fix compare_const_fl.cocci warnings
surface pro 4: Add support for Surface Pro 4 Buttons
platform:x86: Add Intel Telemetry Debugfs interfaces
platform:x86: Add Intel telemetry platform device
platform:x86: Add Intel telemetry platform driver
platform/x86: Add Intel Telemetry Core Driver
intel_punit_ipc: add NULL check for input parameters
thinkpad_acpi: Add support for keyboard backlight
dell-wmi: Process only one event on devices with interface version 0
dell-wmi: Check if Dell WMI descriptor structure is valid
tc1100-wmi: fix build warning when CONFIG_PM not enabled
asus-wireless: Add ACPI HID ATK4001
platform/x86: Add Asus Wireless Radio Control driver
asus-wmi: drop to_platform_driver macro
intel-hid: new hid event driver for hotkeys
Keyboard backlight control for some Vaio Fit models
platform/x86: Add rfkill dependency to ACPI_TOSHIBA entry
platform:x86: add Intel P-Unit mailbox IPC driver
intel_pmc_ipc: update acpi resource structure for Punit
ideapad-laptop: Add Lenovo ideapad Y700-17ISK to no_hw_rfkill dmi list
...
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Move constants to the right of binary operators.
Generated by: scripts/coccinelle/misc/compare_const_fl.cocci
CC: Weng Xuetian <wengxt@gmail.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Surface Pro 4 buttons are managed by a device with _HID "MSHW0040"
different from Surface Pro 3.
This commit adds MSHW0040 to id list to support the Surface Pro 4.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=109871
Signed-off-by: Weng Xuetian <wengxt@gmail.com>
Acked-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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This implements debugfs interfaces for reading the telemetry
samples from SSRAM and configuring firmware trace verbosity.
Interface created under /sys/kernel/debug/telemetry
soc_states: SoC Device and Low Power States
pss_info: Info from the Primary SubSystem
ioss_info: Info from IO SubSusytem
pss_trace_verbosity: Read/Modify PSS F/W trace verbosity
ioss_trace_verbosity: Read/Modify IOSS F/W trace verbosity.
Signed-off-by: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Telemetry Device is created by the pmc_ipc driver. Resources
are populated according SSRAM region as indicated by the BIOS tables.
Signed-off-by: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Telemetry platform driver implements the telemetry interfaces.
Currently it supports ApolloLake. It uses the PUNIT and PMC IPC
interfaces to configure the telemetry samples to read.
The samples are read from a Secure SRAM region.
Signed-off-by: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Intel PM Telemetry is a software mechanism via which various SoC
PM and performance related parameters like PM counters, firmware
trace verbosity, the status of different devices inside the SoC, etc.
can be monitored and analyzed. The different samples that may be
monitored can be configured at runtime via exported APIs.
This patch adds the telemetry core driver that implements basic
exported APIs.
Signed-off-by: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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intel_punit_ipc_command() maybe called when in or out
data pointers are NULL.
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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This patch adds support for controlling keyboard backlight via standard
linux led class interface (::kbd_backlight). It uses ACPI HKEY device with
MLCG and MLCS methods.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Fabio D'Urso <fabiodurso@hotmail.it>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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BIOS/ACPI on devices with WMI interface version 0 does not clear buffer
before filling it. So next time when BIOS/ACPI send WMI event which is
smaller as previous then it contains garbage in buffer from previous event.
BIOS/ACPI on devices with WMI interface version 1 clears buffer and
sometimes send more events in buffer at one call.
Since commit 83fc44c32ad8 ("dell-wmi: Update code for processing WMI
events") dell-wmi process all events in buffer (and not just first).
To prevent reading garbage from the buffer we process only the first
event on devices with WMI interface version 0.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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After examining existing DSDT ACPI tables of more laptops and looking
into Dell WMI document mentioned in ML dicussion archived at
http://www.spinics.net/lists/platform-driver-x86/msg07220.html we will
parse and check WMI descriptor if contains expected data. It is because
WMI descriptor contains interface version number and it is needed to
know in next commit.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Conditionally declare suspend_data on CONFIG_PM to avoid
the following warning when CONFIG_OM is not enabled:
drivers/platform/x86/tc1100-wmi.c:55:27: warning:
'suspend_data' defined but not used [-Wunused-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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