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2013-12-23charger-manager: Support deivce tree in charger manager driverJonghwa Lee
Charger-manager can parse charger_desc data from devicetree which is used to register charger manager. Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-12-23charger-manager: Modify the way of checking battery's temperatureJonghwa Lee
Charger-manager driver used to check battery temperature through the callback function passed by platform data. Unfortunatley, without that pre-defined callback function, charger-manager can't get battery's temperature at all. Also passing callback function through platform data ruins DT support for charger-manager. This patch mondifies charger-manager driver to get temperature of battery without pre-defined callback function. Now, charger-manager can use either of battery thermometer in fuel-gauge and ouside of battery. It uses thermal framework interface for outer thermometer if thermal fw is enabled. Otherwise, it tries to use fuel-gauge's through the power supply interface. Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-12-01power_supply: Add power_supply notifierPali Rohár
This patch adds a notifier chain to the power_supply, this helps drivers in other subsystem to listen to changes in power supply subsystem. This would help to take some actions in those drivers on changing the power supply properties. One such scenario is to increase/decrease system performance based on the battery capacity/voltage. Another scenario is to adjust the h/w peak current detection voltage/current thresholds based on battery voltage/capacity. The notifier helps drivers to listen to changes in power_suppy susbystem without polling the power_supply properties Signed-off-by: Jenny TC <jenny.tc@intel.com> Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Acked-by: Jenny TC <jenny.tc@intel.com> Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-12-01max17042_battery: Fix build errors caused by missing REGMAP_I2C configAustin Boyle
max17042 now uses regmap interface but does not enable config option. This patch fixes the following build errors: drivers/power/max17042_battery.c:661:15: error: variable ‘max17042_regmap_config’ has initializer but incomplete type drivers/power/max17042_battery.c:662:2: error: unknown field ‘reg_bits’ specified in initializer drivers/power/max17042_battery.c:662:2: warning: excess elements in struct initializer drivers/power/max17042_battery.c:662:2: warning: (near initialization for ‘max17042_regmap_config’) drivers/power/max17042_battery.c:663:2: error: unknown field ‘val_bits’ specified in initializer drivers/power/max17042_battery.c:663:2: warning: excess elements in struct initializer drivers/power/max17042_battery.c:663:2: warning: (near initialization for ‘max17042_regmap_config’) drivers/power/max17042_battery.c:664:2: error: unknown field ‘val_format_endian’ specified in initializer drivers/power/max17042_battery.c:664:23: error: ‘REGMAP_ENDIAN_NATIVE’ undeclared here (not in a function) drivers/power/max17042_battery.c:664:2: warning: excess elements in struct initializer drivers/power/max17042_battery.c:664:2: warning: (near initialization for ‘max17042_regmap_config’) drivers/power/max17042_battery.c: In function ‘max17042_probe’: drivers/power/max17042_battery.c:684:2: error: implicit declaration of function ‘devm_regmap_init_i2c’ Signed-off-by: Austin Boyle <boyle.austin@gmail.com> Acked-by: Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-12-01power_supply: Fix Oops from NULL pointer dereference from wakeup_source_activateShuah Khan
power_supply_register() calls device_init_wakeup() to register a wakeup source before initializing dev_name. As a result, device_wakeup_enable() end up registering wakeup source with a null name when wakeup_source_register() gets called with dev_name(dev) which is null at the time. When kernel is booted with wakeup_source_activate enabled, it will panic when the trace point code tries to dereference ws->name. Fixed the problem by moving up the kobject_set_name() call prior to accesses to dev_name(). Replaced kobject_set_name() with dev_set_name() which is the right interface to be called from drivers. Fixed the call to device_del() prior to device_add() in for wakeup_init_failed error handling code. Trace after the change: bash-2143 [003] d... 132.280697: wakeup_source_activate: BAT1 state=0x20001 kworker/3:2-1169 [003] d... 132.281305: wakeup_source_deactivate: BAT1 state=0x30000 Oops message: [ 819.769934] device: 'BAT1': device_add [ 819.770078] PM: Adding info for No Bus:BAT1 [ 819.770235] BUG: unable to handle kernel NULL pointer dereference at (null) [ 819.770435] IP: [<ffffffff813381c0>] skip_spaces+0x30/0x30 [ 819.770572] PGD 3efd90067 PUD 3eff61067 PMD 0 [ 819.770716] Oops: 0000 [#1] SMP [ 819.770829] Modules linked in: arc4 iwldvm mac80211 x86_pkg_temp_thermal coretemp kvm_intel joydev i915 kvm uvcvideo ghash_clmulni_intel videobuf2_vmalloc aesni_intel videobuf2_memops videobuf2_core aes_x86_64 ablk_helper cryptd videodev iwlwifi lrw rfcomm gf128mul glue_helper bnep btusb media bluetooth parport_pc hid_generic ppdev snd_hda_codec_hdmi drm_kms_helper snd_hda_codec_realtek cfg80211 drm tpm_infineon samsung_laptop snd_hda_intel usbhid snd_hda_codec hid snd_hwdep snd_pcm microcode snd_page_alloc snd_timer psmouse i2c_algo_bit lpc_ich tpm_tis video wmi mac_hid serio_raw ext2 lp parport r8169 mii [ 819.771802] CPU: 0 PID: 2167 Comm: bash Not tainted 3.12.0+ #25 [ 819.771876] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 900X3C/900X3D/900X4C/900X4D/SAMSUNG_NP1234567890, BIOS P03AAC 07/12/2012 [ 819.772022] task: ffff88002e6ddcc0 ti: ffff8804015ca000 task.ti: ffff8804015ca000 [ 819.772119] RIP: 0010:[<ffffffff813381c0>] [<ffffffff813381c0>] skip_spaces+0x30/0x30 [ 819.772242] RSP: 0018:ffff8804015cbc70 EFLAGS: 00010046 [ 819.772310] RAX: 0000000000000003 RBX: ffff88040cfd6d40 RCX: 0000000000000018 [ 819.772397] RDX: 0000000000020001 RSI: 0000000000000000 RDI: 0000000000000000 [ 819.772484] RBP: ffff8804015cbcc0 R08: 0000000000000000 R09: ffff8803f0768d40 [ 819.772570] R10: ffffea001033b800 R11: 0000000000000000 R12: ffffffff81c519c0 [ 819.772656] R13: 0000000000020001 R14: 0000000000000000 R15: 0000000000020001 [ 819.772744] FS: 00007ff98309b740(0000) GS:ffff88041f200000(0000) knlGS:0000000000000000 [ 819.772845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 819.772917] CR2: 0000000000000000 CR3: 00000003f59dc000 CR4: 00000000001407f0 [ 819.773001] Stack: [ 819.773030] ffffffff81114003 ffff8804015cbcb0 0000000000000000 0000000000000046 [ 819.773146] ffff880409757a18 ffff8803f065a160 0000000000000000 0000000000020001 [ 819.773273] 0000000000000000 0000000000000000 ffff8804015cbce8 ffffffff8143e388 [ 819.773387] Call Trace: [ 819.773434] [<ffffffff81114003>] ? ftrace_raw_event_wakeup_source+0x43/0xe0 [ 819.773520] [<ffffffff8143e388>] wakeup_source_report_event+0xb8/0xd0 [ 819.773595] [<ffffffff8143e3cd>] __pm_stay_awake+0x2d/0x50 [ 819.773724] [<ffffffff8153395c>] power_supply_changed+0x3c/0x90 [ 819.773795] [<ffffffff8153407c>] power_supply_register+0x18c/0x250 [ 819.773869] [<ffffffff813d8d18>] sysfs_add_battery+0x61/0x7b [ 819.773935] [<ffffffff813d8d69>] battery_notify+0x37/0x3f [ 819.774001] [<ffffffff816ccb7c>] notifier_call_chain+0x4c/0x70 [ 819.774071] [<ffffffff81073ded>] __blocking_notifier_call_chain+0x4d/0x70 [ 819.774149] [<ffffffff81073e26>] blocking_notifier_call_chain+0x16/0x20 [ 819.774227] [<ffffffff8109397a>] pm_notifier_call_chain+0x1a/0x40 [ 819.774316] [<ffffffff81095b66>] hibernate+0x66/0x1c0 [ 819.774407] [<ffffffff81093931>] state_store+0x71/0xa0 [ 819.774507] [<ffffffff81331d8f>] kobj_attr_store+0xf/0x20 [ 819.774613] [<ffffffff811f8618>] sysfs_write_file+0x128/0x1c0 [ 819.774735] [<ffffffff8118579d>] vfs_write+0xbd/0x1e0 [ 819.774841] [<ffffffff811861d9>] SyS_write+0x49/0xa0 [ 819.774939] [<ffffffff816d1052>] system_call_fastpath+0x16/0x1b [ 819.775055] Code: 89 f8 48 89 e5 f6 82 c0 a6 84 81 20 74 15 0f 1f 44 00 00 48 83 c0 01 0f b6 10 f6 82 c0 a6 84 81 20 75 f0 5d c3 66 0f 1f 44 00 00 <80> 3f 00 55 48 89 e5 74 15 48 89 f8 0f 1f 40 00 48 83 c0 01 80 [ 819.775760] RIP [<ffffffff813381c0>] skip_spaces+0x30/0x30 [ 819.775881] RSP <ffff8804015cbc70> [ 819.775949] CR2: 0000000000000000 [ 819.794175] ---[ end trace c4ef25127039952e ]--- Signed-off-by: Shuah Khan <shuah.kh@samsung.com> Acked-by: Anton Vorontsov <anton@enomsg.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: stable@vger.kernel.org Signed-off-by: Anton Vorontsov <anton@enomsg.org>
2013-11-29Linux 3.13-rc2Linus Torvalds
2013-11-29Merge tag 'arm64-stable' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 Pull ARM64 fixes from Catalin Marinas: - Remove preempt_count modifications in the arm64 IRQ handling code since that's already dealt with in generic irq_enter/irq_exit - PTE_PROT_NONE bit moved higher up to avoid overlapping with the hardware bits (for PROT_NONE mappings which are pte_present) - Big-endian fixes for ptrace support - Asynchronous aborts unmasking while in the kernel - pgprot_writecombine() change to create Normal NonCacheable memory rather than Device GRE * tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: arm64: Move PTE_PROT_NONE higher up arm64: Use Normal NonCacheable memory for writecombine arm64: debug: make aarch32 bkpt checking endian clean arm64: ptrace: fix compat registes get/set to be endian clean arm64: Unmask asynchronous aborts when in kernel mode arm64: dts: Reserve the memory used for secondary CPU release address arm64: let the core code deal with preempt_count
2013-11-29Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Martin Schwidefsky: "One performance improvement and a few bug fixes. Two of the fixes deal with the clock related problems we have seen on recent kernels" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/mm: handle asce-type exceptions as normal page fault s390,time: revert direct ktime path for s390 clockevent device s390/time,vdso: convert to the new update_vsyscall interface s390/uaccess: add missing page table walk range check s390/mm: optimize copy_page s390/dasd: validate request size before building CCW/TCW request s390/signal: always restore saved runtime instrumentation psw bit
2013-11-29Merge branch 'i2c/for-current' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Some easy but needed fixes for i2c drivers since rc1" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: bcm2835: Linking platform nodes to adapter nodes i2c: omap: raw read and write endian fix i2c: i2c-bcm-kona: Fix module build i2c: i2c-diolan-u2c: different usb endpoints for DLN-2-U2C i2c: bcm-kona: remove duplicated include i2c: davinci: raw read and write endian fix
2013-11-29Merge branch 'for-3.13-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fixes from Tejun Heo: "This contains one important fix. The NUMA support added a while back broke ordering guarantees on ordered workqueues. It was enforced by having single frontend interface with @max_active == 1 but the NUMA support puts multiple interfaces on unbound workqueues on NUMA machines thus breaking the ordered guarantee. This is fixed by disabling NUMA support on ordered workqueues. The above and a couple other patches were sitting in for-3.12-fixes but I forgot to push that out, so they ended up waiting a bit too long. My aplogies. Other fixes are minor" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: fix pool ID allocation leakage and remove BUILD_BUG_ON() in init_workqueues workqueue: fix comment typo for __queue_work() workqueue: fix ordered workqueues in NUMA setups workqueue: swap set_cpus_allowed_ptr() and PF_NO_SETAFFINITY
2013-11-29Merge branch 'for-3.13-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixes from Tejun Heo: "libata device removal path was removing parent device node before its child, which is mostly harmless but triggers warning after recent sysfs changes. Rafael's patch fixes the order. Other than that, minor controller-specific fixes and device ID additions" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: ATA: Fix port removal ordering ahci: add Marvell 9230 to the AHCI PCI device list ata: fix acpi_bus_get_device() return value check pata_arasan_cf: add missing clk_disable_unprepare() on error path ahci: add support for IBM Akebono platform device
2013-11-29Merge branch 'for-3.13-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: "Fixes for three issues. - cgroup destruction path could swamp system_wq possibly leading to deadlock. This actually seems to happen in the wild with memcg because memcg destruction path adds nested dependency on system_wq. Resolved by isolating cgroup destruction work items on its dedicated workqueue. - Possible locking context deadlock through seqcount reported by lockdep - Memory leak under certain conditions" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: fix cgroup_subsys_state leak for seq_files cpuset: Fix memory allocator deadlock cgroup: use a dedicated workqueue for cgroup destruction
2013-11-29Merge tag 'sound-3.13-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Quite a few HD-Audio fixes, a WUSB audio fix and a fix for FireWire audio. The HD-audio part contains a couple of fixes for the generic parser, and these are the only intrusive fixes. The rest are mostly device-specific fixes" * tag 'sound-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Add LFE chmap to ASUS ET2700 ALSA: hda - Initialize missing bass speaker pin for ASUS AIO ET2700 ALSA: hda - limit mic boost on Asus UX31[A,E] ALSA: hda - Check leaf nodes to find aamix amps ALSA: hda - Fix hp-mic mode without VREF bits ALSA: hda - Create Headhpone Mic Jack Mode when really needed ALSA: usb: use multiple packets per urb for Wireless USB inbound audio ALSA: hda - Enable mute/mic-mute LEDs for more Thinkpads with Conexant codec ALSA: hda - Drop bus->avoid_link_reset flag ALSA: hda/realtek - Set pcbeep amp for ALC668 ALSA: hda/realtek - Add support of ALC231 codec ALSA: firewire-lib: fix wrong value for FDF field as an empty packet
2013-11-29Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs dentry reference count fix from Al Viro. This fixes a possible inode_permission NULL pointer dereference (and other problems) that were due to the root dentry count being decremented too much. In commit 48a066e72d97 ("RCU'd vfsmounts") the placement of clearing the LOOKUP_RCU bit changed, and we then returned failure of incrementing the lockref on the parent dentry with LOOKUP_RCU cleared. But that meant we needed to go through the same cleanup routines that the later failures did wrt LOOKUP_ROOT and nd->root. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix bogus path_put() of nd->root after some unlazy_walk() failures
2013-11-29Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm qxl leak fix from Dave Airlie: "As usual 5 mins after I send a trivial pull fix I find a real bug! This fixes a memory leak and I'd like to get it into stable queue asap" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/qxl: fix memory leak in release list handling
2013-11-29arm64: Move PTE_PROT_NONE higher upCatalin Marinas
PTE_PROT_NONE means that a pte is present but does not have any read/write attributes. However, setting the memory type like pgprot_writecombine() is allowed and such bits overlap with PTE_PROT_NONE. This causes mmap/munmap issues in drivers that change the vma->vm_pg_prot on PROT_NONE mappings. This patch reverts the PTE_FILE/PTE_PROT_NONE shift in commit 59911ca4325d (ARM64: mm: Move PTE_PROT_NONE bit) and moves PTE_PROT_NONE together with the other software bits. Signed-off-by: Steve Capper <steve.capper@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Steve Capper <steve.capper@linaro.org> Cc: <stable@vger.kernel.org> # 3.11+
2013-11-29arm64: Use Normal NonCacheable memory for writecombineCatalin Marinas
This provides better performance compared to Device GRE and also allows unaligned accesses. Such memory is intended to be used with standard RAM (e.g. framebuffers) and not I/O. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-11-29fix bogus path_put() of nd->root after some unlazy_walk() failuresAl Viro
Failure to grab reference to parent dentry should go through the same cleanup as nd->seq mismatch. As it is, we might end up with caller thinking it needs to path_put() nd->root, with obvious nasty results once we'd hit that bug enough times to drive the refcount of root dentry all the way to zero... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-11-29drm/qxl: fix memory leak in release list handlingDave Airlie
wow no idea how I got this far without seeing this, leaking the entries in the list makes kmalloc-64 slab grow. References: https://bugzilla.kernel.org/show_bug.cgi?id=65121 Cc: stable@vger.kernel.org Reported-by: Matthew Stapleton <matthew4196@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-11-28arm64: debug: make aarch32 bkpt checking endian cleanMatthew Leach
The current breakpoint instruction checking code for A32 is not endian clean. Fix this with appropriate byte-swapping when retrieving instructions. Signed-off-by: Matthew Leach <matthew.leach@arm.com> Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-11-28arm64: ptrace: fix compat registes get/set to be endian cleanMatthew Leach
On a BE system the wrong half of the X registers is retrieved/written when attempting to get/set the value of aarch32 registers through ptrace. Ensure that types are the correct width so that the relevant casting occurs. Signed-off-by: Matthew Leach <matthew.leach@arm.com> Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-11-28Merge tag 'gpio-v3.13-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "Here us a bunch of patches for the v3.13 series. Most important stuff is related to fixes and documentation for the new GPIO descriptor API. If the diffstat is scary you'll notice most of it is to Documentation/*: - A big slew of documentation for the gpiod transition that happened in the merge window, no semantic effect, but we should provide proper documentation with the new API. - Fix flags related to the new API. - Fix to the find_chip_by_name() lookup function related to the new API. - Fix of_find_gpio() when not using device tree. - Bug fix for the TB10x direction setting. - Error path fixes from Dan Carpenter. - Nasty IRQdomain bug relating to taking an unitialized spinlock. - Minor fixes here and there" * tag 'gpio-v3.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: bcm281xx: Fix return value of bcm_kona_gpio_get() gpio: pl061: move irqdomain initialization gpio: ucb1400: Add MODULE_ALIAS gpiolib: fix of_find_gpio() when OF not defined gpio: fix memory leak in error path gpio: rcar: NULL dereference on error in probe() gpio: msm: make msm_gpio.summary_irq signed for error handling gpio: mvebu: make mvchip->irqbase signed for error handling gpiolib: use dedicated flags for GPIO properties gpiolib: fix find_chip_by_name() Documentation: gpiolib: document new interface gpio: tb10x: Set output value before setting direction to output
2013-11-28Merge tag 'md/3.13-fixes' of git://neil.brown.name/mdLinus Torvalds
Pull md fixes from Neil Brown: "Three bug fixes for md in 3.13-rc All recent regressions, one in 3.12 so marked for -stable" * tag 'md/3.13-fixes' of git://neil.brown.name/md: md/raid5: fix newly-broken locking in get_active_stripe. md: test mddev->flags more safely in md_check_recovery. md/raid5: fix new memory-reference bug in alloc_thread_groups.
2013-11-28Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds
Pull cifs fixes from Steve French: "SMB3 "validate negotiate" is needed to prevent certain types of downgrade attacks. Also changes SMB2/SMB3 copy offload from using the BTRFS copy ioctl (BTRFS_IOC_CLONE) to a cifs specific ioctl (CIFS_IOC_COPYCHUNK_FILE) to address Christoph's comment that there are semantic differences between requesting copy offload in which copy-on-write is mandatory (as in the BTRFS ioctl) and optional in the SMB2/SMB3 case. Also fixes SMB2/SMB3 copychunk for large files" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: [CIFS] Do not use btrfs refcopy ioctl for SMB2 copy offload Check SMB3 dialects against downgrade attacks Removed duplicated (and unneeded) goto CIFS: Fix SMB2/SMB3 Copy offload support (refcopy) for large files
2013-11-28kernel/extable: fix address-checks for core_kernel and init areasHelge Deller
The init_kernel_text() and core_kernel_text() functions should not include the labels _einittext and _etext when checking if an address is inside the .text or .init sections. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-28ALSA: hda - Add LFE chmap to ASUS ET2700Takashi Iwai
As the previous commit 1f0bbf03cb82 added the pin config for the bass speaker, this patch adds the corresponding LFE-only channel map on ASUS ET2700. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=65961 Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-28ALSA: hda - Initialize missing bass speaker pin for ASUS AIO ET2700Takashi Iwai
Add a fixup entry for the missing bass speaker pin 0x16 on ASUS ET2700 AiO desktop. The channel map will be added in the next patch, so that this can be backported easily to stable kernels. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=65961 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-28ALSA: hda - limit mic boost on Asus UX31[A,E]Oleksij Rempel
This both devices need limit for internal dmic. [cosmetic change; renamed fixup name by tiwai] Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-28ALSA: hda - Check leaf nodes to find aamix ampsTakashi Iwai
The current generic parser assumes blindly that the volume and mute amps are found in the aamix node itself. But on some codecs, typically Analog Devices ones, the aamix amps are separately implemented in each leaf node of the aamix node, and the current driver can't establish the correct amp controls. This is a regression compared with the previous static quirks. This patch extends the search for the amps to the leaf nodes for allowing the aamix controls again on such codecs. In this implementation, I didn't code to loop through the whole paths, since usually one depth should suffice, and we can't search too deeply, as it may result in the conflicting control assignments. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=65641 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-28i2c: bcm2835: Linking platform nodes to adapter nodesFlorian Meier
In order to find I2C devices in the device tree, the platform nodes have to be known by the I2C core. This requires setting the dev.of_node parameter of the adapter. Signed-off-by: Florian Meier <florian.meier@koalo.de> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-11-27Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "Just two minor fixes as people keep resending since they are so low hanging" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/nouveau/hwmon: fix compilation without CONFIG_HWMON drm/sysfs: fix OOM verification
2013-11-27Merge tag 'tty-3.13-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are some tty/serial driver fixes for reported issues in 3.13-rc2. The n_gsm "fix" was reverted as it was found to not be correct. Hopefully this will be resolved in a future pull request, but as there's really only one user of this line setting, it's not a big deal..." * tag 'tty-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: Revert "n_gsm: race between ld close and gsmtty open" n_tty: Protect minimum_to_wake reset for concurrent readers tty: Reset hupped state on open TTY: amiserial, add missing platform check TTY: pmac_zilog, check existence of ports in pmz_console_init() n_gsm: race between ld close and gsmtty open tty/serial/8250: fix typo in help text n_tty: Fix 4096-byte canonical reads n_tty: Fix echo overrun tail computation n_tty: Ensure reader restarts worker for next reader
2013-11-27Merge tag 'staging-3.13-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging fixes from Greg KH: "Here are a number of staging, and IIO driver, fixes for 3.13-rc2 that resolve issues that have been reported for 3.13-rc1. All of these have been in linux-next for a bit this week" * tag 'staging-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (25 commits) Staging: tidspbridge: disable driver staging: zsmalloc: Ensure handle is never 0 on success staging/lustre/ptlrpc: fix ptlrpc_stop_pinger logic staging: r8188eu: Fix AP mode Staging: btmtk_usb: Add hdev parameter to hdev->send driver callback Staging: go7007: fix up some remaining go->dev issues staging: imx-drm: Fix modular build of DRM_IMX_IPUV3 staging: ft1000: fix use of potentially uninitialized variable Revert "staging:media: Use dev_dbg() instead of pr_debug()" Staging: zram: Fix memory leak by refcount mismatch staging: vt6656: [BUG] Fix for TX USB resets from vendors driver. staging: nvec: potential NULL dereference on error path Staging: vt6655-6: potential NULL dereference in hostap_disable_hostapd() staging: comedi: s626: fix value written by s626_set_dac() Staging: comedi: pcl730: fix some bitwise vs logical AND bugs staging: comedi: fix potentially uninitialised variable iio:accel:kxsd9 fix missing mutex unlock iio: adc: ti_am335x_adc: avoid double free of buffer. staging:iio: Fix hmc5843 Kconfig dependencies iio: Fix tcs3472 Kconfig dependencies ...
2013-11-27Merge tag 'driver-core-3.13-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are 3 patches for sysfs issues that have been reported. Well, 1 patch really, the first one is reverted as it's not really needed (the correct fix is coming in through the different driver subsystems instead) But that 1 sysfs fix is needed, so this is still a good thing to pull in now" Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> * tag 'driver-core-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: Revert "sysfs: handle duplicate removal attempts in sysfs_remove_group()" sysfs: use a separate locking class for open files depending on mmap sysfs: handle duplicate removal attempts in sysfs_remove_group()
2013-11-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: - fix compat ioctl leak in uhid, by David Herrmann - fix scheduling in atomic context (causing actual lockups in real world) in hid-sony driver, by Sven Eckelmann - revert patch introducing VID/PID conflict, by Jiri Kosina - support from various new device IDs by Benjamin Tissoires and KaiChung Cheng * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: uhid: fix leak for 64/32 UHID_CREATE HID: kye: fix unresponsive keyboard HID: kye: Add report fixup for Genius Manticore Keyboard HID: multicouh: add PID VID to support 1 new Wistron optical touch device HID: appleir: force input to be set Revert "HID: wiimote: add LEGO-wiimote VID" HID: sony: Send FF commands in non-atomic context
2013-11-27Merge tag 'pm+acpi-3.13-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: - Fix for a recent regression in the Tegra cpufreq driver causing excess error messages to be printed from Stephen Warren - ACPI-based device hotplug fix to prevent conflicting notify handlers from being installed for PCI host bridge objects. From Toshi Kani - ACPICA update to upstream version 20131115. This contains bug fixes mostly (loop termination fix for the get AML length function, fixes related to namespace node removal and debug output). From Bob Moore, Tomasz Nowicki and Lv Zheng - Removal of incorrect inclusions of internal ACPICA header files by non-ACPICA code from Lv Zheng - Fixes for the ACPI sysfs interface exposing tables to user space from Daisuke Hatayama and Jeremy Compostella - Assorted ACPI and cpufreq cleanups from Sachin Kamat and Al Stone - cpupower tool fix and man page from Thomas Renninger * tag 'pm+acpi-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: Clean up incorrect inclusions of ACPICA headers tools: cpupower: fix wrong err msg not supported vs not available tools: cpupower: Add cpupower-idle-set(1) manpage ACPI / sysfs: Fix incorrect ACPI tables walk in acpi_tables_sysfs_init() ACPI / sysfs: Set file size for each exposed ACPI table ACPICA: Update version to 20131115. ACPICA: Add support to delete all objects attached to the root namespace node. ACPICA: Delete all attached data objects during namespace node deletion. ACPICA: Resources: Fix loop termination for the get AML length function. ACPICA: Tests: Add CHECKSUM_ABORT protection for test utilities. ACPICA: Debug output: Do not emit function nesting level for kernel build. ACPI / sleep: clean up compiler warning about uninitialized field cpufreq: exynos: Remove unwanted EXPORT_SYMBOL cpufreq: tegra: don't error target() when suspended ACPI / hotplug: Fix conflicted PCI bridge notify handlers
2013-11-27doc: fix generation of device-driversNicolas Dichtel
Since commit 7a6354e241d8 ("sched: Move wait.c into kernel/sched/"), the path of this file has changed. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Andy Whitcroft <apw@canonical.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-28drm/nouveau/hwmon: fix compilation without CONFIG_HWMONIlia Mirkin
Reported-by: Jim Davis <jim.epost@gmail.com> Tested-by: Jim Davis <jim.epost@gmail.com> Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-11-27lockref: include mutex.h rather than reinvent arch_mutex_cpu_relaxWill Deacon
arch_mutex_cpu_relax is already conditionally defined in mutex.h, so simply include that header rather than replicate the code here. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-28drm/sysfs: fix OOM verificationDavid Herrmann
Copy/Paste typo.. we need to test for ->kdev instead of ->dev. Reported-by: Juha Leppänen <juha_efku@dnainternet.net> Signed-off-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-11-27remove obsolete references to powertweakDave Jones
This tool hasn't been maintained in over a decade, and is pretty much useless these days. Let's pretend it never happened. Also remove a long-dead email address. Signed-off-by: Dave Jones <davej@fedoraproject.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-27Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc fixes from Ben Herrenschmidt: "The main thing that caused problem was that CONFIG_CPU_LITTLE_ENDIAN got turned on with allyesconfig and such, which is not a very good idea especially since it requires a newer toolchain than what most people have. So we turned it into a choice instead that defaults to big endian" * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/windfarm: Fix XServe G5 fan control Makefile issue arch/powerpc/kernel: Use %12.12s instead of %12s to avoid memory overflow powerpc/signals: Improved mark VSX not saved with small contexts fix powerpc/kdump: Adding symbols in vmcoreinfo to facilitate dump filtering powerpc: allyesconfig should not select CONFIG_CPU_LITTLE_ENDIAN powerpc: Fix error when cross building TAGS & cscope powerpc/booke: Only check for hugetlb in flush if vma != NULL powerpc/85xx: typo in dts: "interupt" (four devices) powerpc/8xx: mfspr SPRN_TBRx in lieu of mftb/mftbu is not supported powerpc/corenet64: compile with CONFIG_E{5,6}500_CPU well
2013-11-28md/raid5: fix newly-broken locking in get_active_stripe.NeilBrown
commit 566c09c53455d7c4f1 raid5: relieve lock contention in get_active_stripe() modified the locking in get_active_stripe() reducing the range protected by the (highly contended) device_lock. Unfortunately it reduced the range too much opening up some races. One race can occur if get_priority_stripe runs between the test on sh->count and device_lock being taken. This will mean that sh->lru is not empty while get_active_stripe thinks ->count is zero resulting in a 'BUG' firing. Another race happens if __release_stripe is called immediately after sh->count is tested and found to be non-zero. If STRIPE_HANDLE is not set, get_active_stripe should increment ->active_stripes when it increments ->count from 0, but as it didn't think it was 0, it doesn't. Extending device_lock to cover the test on sh->count close these races. While we are here, fix the two BUG tests: -If count is zero, then lru really must not be empty, or we've lock the stripe_head somehow - no other tests are relevant. -STRIPE_ON_RELEASE_LIST is completely independent of ->lru so testing it is pointless. Reported-and-tested-by: Brassow Jonathan <jbrassow@redhat.com> Reviewed-by: Shaohua Li <shli@kernel.org> Fixes: 566c09c53455d7c4f1 Signed-off-by: NeilBrown <neilb@suse.de>
2013-11-28md: test mddev->flags more safely in md_check_recovery.NeilBrown
commit 7a0a5355cbc71efa md: Don't test all of mddev->flags at once. made most tests on mddev->flags safer, but missed one. When commit 260fa034ef7a4ff8b7306 md: avoid deadlock when dirty buffers during md_stop. added MD_STILL_CLOSED, this caused md_check_recovery to misbehave. It can think there is something to do but find nothing. This can lead to the md thread spinning during array shutdown. https://bugzilla.kernel.org/show_bug.cgi?id=65721 Reported-and-tested-by: Richard W.M. Jones <rjones@redhat.com> Fixes: 260fa034ef7a4ff8b7306 Cc: stable@vger.kernel.org (3.12) Signed-off-by: NeilBrown <neilb@suse.de>
2013-11-28md/raid5: fix new memory-reference bug in alloc_thread_groups.NeilBrown
In alloc_thread_groups, worker_groups is a pointer to an array, not an array of pointers. So worker_groups[i] is wrong. It should be &(*worker_groups)[i] Found-by: coverity Fixes: 60aaf9338545 Reported-by: Ben Hutchings <bhutchings@solarflare.com> Cc: majianpeng <majianpeng@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
2013-11-27cgroup: fix cgroup_subsys_state leak for seq_filesTejun Heo
If a cgroup file implements either read_map() or read_seq_string(), such file is served using seq_file by overriding file->f_op to cgroup_seqfile_operations, which also overrides the release method to single_release() from cgroup_file_release(). Because cgroup_file_open() didn't use to acquire any resources, this used to be fine, but since f7d58818ba42 ("cgroup: pin cgroup_subsys_state when opening a cgroupfs file"), cgroup_file_open() pins the css (cgroup_subsys_state) which is put by cgroup_file_release(). The patch forgot to update the release path for seq_files and each open/release cycle leaks a css reference. Fix it by updating cgroup_file_release() to also handle seq_files and using it for seq_file release path too. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org # v3.12
2013-11-27ATA: Fix port removal orderingRafael J. Wysocki
After commit bcdde7e221a8 (sysfs: make __sysfs_remove_dir() recursive) Mika Westerberg sees traces analogous to the one below in Thunderbolt hot-remove testing: WARNING: CPU: 0 PID: 4 at fs/sysfs/group.c:214 sysfs_remove_group+0xc6/0xd0() sysfs group ffffffff81c6f1e0 not found for kobject 'host7' Modules linked in: CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 3.12.0+ #13 Hardware name: /D33217CK, BIOS GKPPT10H.86A.0042.2013.0422.1439 04/22/2013 Workqueue: kacpi_hotplug acpi_hotplug_work_fn 0000000000000009 ffff8801002459b0 ffffffff817daab1 ffff8801002459f8 ffff8801002459e8 ffffffff810436b8 0000000000000000 ffffffff81c6f1e0 ffff88006d440358 ffff88006d440188 ffff88006e8b4c28 ffff880100245a48 Call Trace: [<ffffffff817daab1>] dump_stack+0x45/0x56 [<ffffffff810436b8>] warn_slowpath_common+0x78/0xa0 [<ffffffff81043727>] warn_slowpath_fmt+0x47/0x50 [<ffffffff811ad319>] ? sysfs_get_dirent_ns+0x49/0x70 [<ffffffff811ae526>] sysfs_remove_group+0xc6/0xd0 [<ffffffff81432f7e>] dpm_sysfs_remove+0x3e/0x50 [<ffffffff8142a0d0>] device_del+0x40/0x1b0 [<ffffffff8142a24d>] device_unregister+0xd/0x20 [<ffffffff8144131a>] scsi_remove_host+0xba/0x110 [<ffffffff8145f526>] ata_host_detach+0xc6/0x100 [<ffffffff8145f578>] ata_pci_remove_one+0x18/0x20 [<ffffffff812e8f48>] pci_device_remove+0x28/0x60 [<ffffffff8142d854>] __device_release_driver+0x64/0xd0 [<ffffffff8142d8de>] device_release_driver+0x1e/0x30 [<ffffffff8142d257>] bus_remove_device+0xf7/0x140 [<ffffffff8142a1b1>] device_del+0x121/0x1b0 [<ffffffff812e43d4>] pci_stop_bus_device+0x94/0xa0 [<ffffffff812e437b>] pci_stop_bus_device+0x3b/0xa0 [<ffffffff812e437b>] pci_stop_bus_device+0x3b/0xa0 [<ffffffff812e44dd>] pci_stop_and_remove_bus_device+0xd/0x20 [<ffffffff812fc743>] trim_stale_devices+0x73/0xe0 [<ffffffff812fc78b>] trim_stale_devices+0xbb/0xe0 [<ffffffff812fc78b>] trim_stale_devices+0xbb/0xe0 [<ffffffff812fcb6e>] acpiphp_check_bridge+0x7e/0xd0 [<ffffffff812fd90d>] hotplug_event+0xcd/0x160 [<ffffffff812fd9c5>] hotplug_event_work+0x25/0x60 [<ffffffff81316749>] acpi_hotplug_work_fn+0x17/0x22 [<ffffffff8105cf3a>] process_one_work+0x17a/0x430 [<ffffffff8105db29>] worker_thread+0x119/0x390 [<ffffffff8105da10>] ? manage_workers.isra.25+0x2a0/0x2a0 [<ffffffff81063a5d>] kthread+0xcd/0xf0 [<ffffffff81063990>] ? kthread_create_on_node+0x180/0x180 [<ffffffff817eb33c>] ret_from_fork+0x7c/0xb0 [<ffffffff81063990>] ? kthread_create_on_node+0x180/0x180 The source of this problem is that SCSI hosts are removed from ATA ports after calling ata_tport_delete() which removes the port's sysfs directory, among other things. Now, after commit bcdde7e221a8, the sysfs directory is removed along with all of its subdirectories that include the SCSI host's sysfs directory and its subdirectories at this point. Consequently, when device_del() is finally called for any child device of the SCSI host and tries to remove its "power" group (which is already gone then), it triggers the above warning. To make the warnings go away, change the removal ordering in ata_port_detach() so that the SCSI host is removed from the port before ata_tport_delete() is called. References: https://bugzilla.kernel.org/show_bug.cgi?id=65281 Reported-and-tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2013-11-27cpuset: Fix memory allocator deadlockPeter Zijlstra
Juri hit the below lockdep report: [ 4.303391] ====================================================== [ 4.303392] [ INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ] [ 4.303394] 3.12.0-dl-peterz+ #144 Not tainted [ 4.303395] ------------------------------------------------------ [ 4.303397] kworker/u4:3/689 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 4.303399] (&p->mems_allowed_seq){+.+...}, at: [<ffffffff8114e63c>] new_slab+0x6c/0x290 [ 4.303417] [ 4.303417] and this task is already holding: [ 4.303418] (&(&q->__queue_lock)->rlock){..-...}, at: [<ffffffff812d2dfb>] blk_execute_rq_nowait+0x5b/0x100 [ 4.303431] which would create a new lock dependency: [ 4.303432] (&(&q->__queue_lock)->rlock){..-...} -> (&p->mems_allowed_seq){+.+...} [ 4.303436] [ 4.303898] the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: [ 4.303918] -> (&p->mems_allowed_seq){+.+...} ops: 2762 { [ 4.303922] HARDIRQ-ON-W at: [ 4.303923] [<ffffffff8108ab9a>] __lock_acquire+0x65a/0x1ff0 [ 4.303926] [<ffffffff8108cbe3>] lock_acquire+0x93/0x140 [ 4.303929] [<ffffffff81063dd6>] kthreadd+0x86/0x180 [ 4.303931] [<ffffffff816ded6c>] ret_from_fork+0x7c/0xb0 [ 4.303933] SOFTIRQ-ON-W at: [ 4.303933] [<ffffffff8108abcc>] __lock_acquire+0x68c/0x1ff0 [ 4.303935] [<ffffffff8108cbe3>] lock_acquire+0x93/0x140 [ 4.303940] [<ffffffff81063dd6>] kthreadd+0x86/0x180 [ 4.303955] [<ffffffff816ded6c>] ret_from_fork+0x7c/0xb0 [ 4.303959] INITIAL USE at: [ 4.303960] [<ffffffff8108a884>] __lock_acquire+0x344/0x1ff0 [ 4.303963] [<ffffffff8108cbe3>] lock_acquire+0x93/0x140 [ 4.303966] [<ffffffff81063dd6>] kthreadd+0x86/0x180 [ 4.303969] [<ffffffff816ded6c>] ret_from_fork+0x7c/0xb0 [ 4.303972] } Which reports that we take mems_allowed_seq with interrupts enabled. A little digging found that this can only be from cpuset_change_task_nodemask(). This is an actual deadlock because an interrupt doing an allocation will hit get_mems_allowed()->...->__read_seqcount_begin(), which will spin forever waiting for the write side to complete. Cc: John Stultz <john.stultz@linaro.org> Cc: Mel Gorman <mgorman@suse.de> Reported-by: Juri Lelli <juri.lelli@gmail.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Tested-by: Juri Lelli <juri.lelli@gmail.com> Acked-by: Li Zefan <lizefan@huawei.com> Acked-by: Mel Gorman <mgorman@suse.de> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
2013-11-27i2c: omap: raw read and write endian fixVictor Kamensky
All OMAP IP blocks expect LE data, but CPU may operate in BE mode. Need to use endian neutral functions to read/write h/w registers. I.e instead of __raw_read[lw] and __raw_write[lw] functions code need to use read[lw]_relaxed and write[lw]_relaxed functions. If the first simply reads/writes register, the second will byteswap it if host operates in BE mode. Changes are trivial sed like replacement of __raw_xxx functions with xxx_relaxed variant. Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org> Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-11-27Revert "sysfs: handle duplicate removal attempts in sysfs_remove_group()"Greg Kroah-Hartman
This reverts commit 54d71145a4548330313ca664a4a009772fe8b7dd. The root cause of these "inverted" sysfs removals have now been found, so there is no need for this patch. Keep this functionality around so that this type of error doesn't show up in driver code again. Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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