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2014-08-22Merge branch 'i2c/for-next' of ↵Linus Torvalds4-10/+11
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Here is the fixup for the 'lowlight' of my last pull request. I2C is not selected anymore by I2C_ACPI. Instead, the code in question now depends on I2C=y. Also, Mika has agreed to support me and be the maintainer for I2C-ACPI related patches. Finally, a new-ID-patch came along last week" * 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: MAINTAINERS: add maintainer for ACPI parts of I2C i2c: i801: Add PCI ID for Intel Braswell i2c: rework kernel config I2C_ACPI
2014-08-21Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86Linus Torvalds1-1/+1
Pull x86 platform driver revert from Matthew Garrett: "This clearly shouldn't have been merged. No excuse on my part" * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: Revert "platform/x86/toshiba-apci.c possible bad if test?"
2014-08-21Merge tag 'scsi-fixes' of ↵Linus Torvalds1-2/+10
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "These are the two bug fixes I mentioned in the final merge window pull. One is a reversed logic check in the device busy tests which can cause a nasty hang and another crash seen in the new SCSI pool support if the use count ever goes to zero" [ The device busy test already got merged from a patch earlier, so is now duplicated. ] * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] save command pool address of Scsi_Host [SCSI] fix qemu boot hang problem
2014-08-20Revert "platform/x86/toshiba-apci.c possible bad if test?"Matthew Garrett1-1/+1
This reverts commit bdc3ae7221213963f438faeaa69c8b4a2195f491. Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-19scsi: Fix qemu boot hang problemGuenter Roeck1-1/+1
The latest kernel fails to boot qemu arm images when using scsi for disk access. Boot gets stuck after the following messages. brd: module loaded sym53c8xx 0000:00:0c.0: enabling device (0100 -> 0103) sym0: <895a> rev 0x0 at pci 0000:00:0c.0 irq 93 sym0: No NVRAM, ID 7, Fast-40, LVD, parity checking sym0: SCSI BUS has been reset. scsi host0: sym-2.2.3 Bisect points to commit 71e75c97f97a ("scsi: convert device_busy to atomic_t"). Code inspection shows the following suspicious change in scsi_request_fn. out_delay: - if (sdev->device_busy == 0 && !scsi_device_blocked(sdev)) + if (atomic_read(&sdev->device_busy) && !scsi_device_blocked(sdev)) blk_delay_queue(q, SCSI_QUEUE_DELAY); } 'sdev->device_busy == 0' was replaced with 'atomic_read(&sdev->device_busy)', meaning the logic was reversed. Changing this expression to '!atomic_read(&sdev->device_busy)' fixes the problem. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Jens Axboe <axboe@fb.com> Reviewed-by: Venkatesh Srinivas <venkateshs@google.com> Reviewed-by: Webb Scales <webbnh@hp.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-19i2c: i801: Add PCI ID for Intel BraswellAlan Cox1-0/+2
The SMBus host controller is the same as used in Baytrail so add the new PCI ID to the driver's list of supported IDs. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-08-19i2c: rework kernel config I2C_ACPILan Tianyu3-10/+9
Commit da3c6647(I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI config) adds a new kernel config I2C_ACPI and make I2C core built in when the config is selected. This is wrong because distributions etc generally compile I2C as a module and the commit broken that. This patch is to rename I2C_ACPI to ACPI_I2C_OPREGION. New config only controls ACPI I2C operation region code and depends on I2C=y. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> [wsa: removed unrelated change for Kconfig] Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-08-19Merge tag 'md/3.17-fixes' of git://neil.brown.name/mdLinus Torvalds2-2/+9
Pull md bugfixes from Neil Brown: "Here are the bug-fixes I promised :-) Funny how you start looking for one and other start appearing. - raid6 data corruption during recovery - raid6 livelock - raid10 memory leaks" * tag 'md/3.17-fixes' of git://neil.brown.name/md: md/raid10: always initialise ->state on newly allocated r10_bio md/raid10: avoid memory leak on error path during reshape. md/raid10: Fix memory leak when raid10 reshape completes. md/raid10: fix memory leak when reshaping a RAID10. md/raid6: avoid data corruption during recovery of double-degraded RAID6 md/raid5: avoid livelock caused by non-aligned writes.
2014-08-19Merge tag 'pci-v3.17-changes-3' of ↵Linus Torvalds6-33/+700
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI changes from Bjorn Helgaas: "Marvell MVEBU - Remove ARCH_KIRKWOOD dependency (Andrew Lunn) NVIDIA Tegra - Add debugfs support (Thierry Reding) Synopsys DesignWare - Look for configuration space in 'reg', not 'ranges' (Kishon Vijay Abraham I) - Program ATU with untranslated address (Kishon Vijay Abraham I) - Add config access-related pcie_host_ops for v3.65 hardware (Murali Karicheri) - Add MSI-related pcie_host_ops for v3.65 hardware (Murali Karicheri) TI DRA7xx - Add TI DR7xx PCIe driver (Kishon Vijay Abraham I)" * tag 'pci-v3.17-changes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: designware: Add MSI-related pcie_host_ops for v3.65 hardware PCI: designware: Add config access-related pcie_host_ops for v3.65 hardware PCI: dra7xx: Add TI DRA7xx PCIe driver PCI: designware: Program ATU with untranslated address PCI: designware: Look for configuration space in 'reg', not 'ranges' PCI: tegra: Add debugfs support PCI: mvebu: Remove ARCH_KIRKWOOD dependency
2014-08-19Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linuxLinus Torvalds3-18/+41
Pull devicetree fixes from Grant Likely: "Three more commits needed for v3.17: A bug fix for reserved regions based at address zero, a clarification on how to interpret existence of both interrupts and interrupts-extended properties, and a fix to allow device tree testcases to run on any platform" * tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux: of/irq: Fix lookup to use 'interrupts-extended' property first Enabling OF selftest to run without machine's devicetree of: Allow mem_reserve of memory with a base address of zero
2014-08-19md/raid10: always initialise ->state on newly allocated r10_bioNeilBrown1-0/+3
Most places which allocate an r10_bio zero the ->state, some don't. As the r10_bio comes from a mempool, and the allocation function uses kzalloc it is often zero anyway. But sometimes it isn't and it is best to be safe. I only noticed this because of the bug fixed by an earlier patch where the r10_bios allocated for a reshape were left around to be used by a subsequent resync. In that case the R10BIO_IsReshape flag caused problems. Signed-off-by: NeilBrown <neilb@suse.de>
2014-08-19md/raid10: avoid memory leak on error path during reshape.NeilBrown1-0/+1
If raid10 reshape fails to find somewhere to read a block from, it returns without freeing memory... Signed-off-by: NeilBrown <neilb@suse.de>
2014-08-19md/raid10: Fix memory leak when raid10 reshape completes.NeilBrown1-0/+1
When a raid10 commences a resync/recovery/reshape it allocates some buffer space. When a resync/recovery completes the buffer space is freed. But not when the reshape completes. This can result in a small memory leak. There is a subtle side-effect of this bug. When a RAID10 is reshaped to a larger array (more devices), the reshape is immediately followed by a "resync" of the new space. This "resync" will use the buffer space which was allocated for "reshape". This can cause problems including a "BUG" in the SCSI layer. So this is suitable for -stable. Cc: stable@vger.kernel.org (v3.5+) Fixes: 3ea7daa5d7fde47cd41f4d56c2deb949114da9d6 Signed-off-by: NeilBrown <neilb@suse.de>
2014-08-19md/raid10: fix memory leak when reshaping a RAID10.NeilBrown1-1/+1
raid10 reshape clears unwanted bits from a bio->bi_flags using a method which, while clumsy, worked until 3.10 when BIO_OWNS_VEC was added. Since then it clears that bit but shouldn't. This results in a memory leak. So change to used the approved method of clearing unwanted bits. As this causes a memory leak which can consume all of memory the fix is suitable for -stable. Fixes: a38352e0ac02dbbd4fa464dc22d1352b5fbd06fd Cc: stable@vger.kernel.org (v3.10+) Reported-by: mdraid.pkoch@dfgh.net (Peter Koch) Signed-off-by: NeilBrown <neilb@suse.de>
2014-08-18md/raid6: avoid data corruption during recovery of double-degraded RAID6NeilBrown1-0/+2
During recovery of a double-degraded RAID6 it is possible for some blocks not to be recovered properly, leading to corruption. If a write happens to one block in a stripe that would be written to a missing device, and at the same time that stripe is recovering data to the other missing device, then that recovered data may not be written. This patch skips, in the double-degraded case, an optimisation that is only safe for single-degraded arrays. Bug was introduced in 2.6.32 and fix is suitable for any kernel since then. In an older kernel with separate handle_stripe5() and handle_stripe6() functions the patch must change handle_stripe6(). Cc: stable@vger.kernel.org (2.6.32+) Fixes: 6c0069c0ae9659e3a91b68eaed06a5c6c37f45c8 Cc: Yuri Tikhonov <yur@emcraft.com> Cc: Dan Williams <dan.j.williams@intel.com> Reported-by: "Manibalan P" <pmanibalan@amiindia.co.in> Tested-by: "Manibalan P" <pmanibalan@amiindia.co.in> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1090423 Signed-off-by: NeilBrown <neilb@suse.de> Acked-by: Dan Williams <dan.j.williams@intel.com>
2014-08-18md/raid5: avoid livelock caused by non-aligned writes.NeilBrown1-1/+1
If a stripe in a raid6 array received a write to each data block while the array is degraded, and if any of these writes to a missing device are not page-aligned, then a live-lock happens. In this case the P and Q blocks need to be read so that the part of the missing block which is *not* being updated by the write can be constructed. Due to a logic error, these blocks are not loaded, so the update cannot proceed and the stripe is 'handled' repeatedly in an infinite loop. This bug is unlikely as most writes are page aligned. However as it can lead to a livelock it is suitable for -stable. It was introduced in 3.16. Cc: stable@vger.kernel.org (v3.16) Fixed: 67f455486d2ea20b2d94d6adf5b9b783d079e321 Signed-off-by: NeilBrown <neilb@suse.de>
2014-08-16Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86Linus Torvalds21-107/+529
Pull x86 platform driver updates from Matthew Garrett: "A moderate number of changes, but nothing awfully significant. A lot of const cleanups, some reworking and additions to the rfkill quirks in the asus driver, a new driver for generating falling laptop events on Toshibas and some misc fixes. Maybe vendors have stopped inventing things" * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (41 commits) platform/x86: Enable build support for toshiba_haps Documentation: Add file about toshiba_haps module platform/x86: Toshiba HDD Active Protection Sensor asus-nb-wmi: Add wapf4 quirk for the U32U alienware-wmi: make hdmi_mux enabled on case-by-case basis ideapad-laptop: Constify DMI table and other r/o variables asus-nb-wmi.c: Rename x401u quirk to wapf4 compal-laptop: correct invalid hwmon name toshiba_acpi: Add Qosmio X75-A to the alt keymap dmi list toshiba_acpi: Add extra check to backlight code Fix log message about future removal of interface ideapad-laptop: Disable touchpad interface on Yoga models asus-nb-wmi: Add wapf4 quirk for the X550CC intel_ips: Make ips_mcp_limits variables static thinkpad_acpi: Mark volume_alsa_control_{vol,mute} as __initdata fujitsu-laptop: Mark fujitsu_dmi_table[] DMI table as __initconst hp-wmi: Add missing __init annotations to initialization code hp_accel: Constify ACPI and DMI tables fujitsu-tablet: Mark DMI callbacks as __init code dell-laptop: Mark dell_quirks[] DMI table as __initconst ...
2014-08-16Merge branch 'release' of ↵Linus Torvalds1-1/+76
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux Pull idle update from Len Brown: "Two Intel-platform-specific updates to intel_idle, and a cosmetic tweak to the turbostat utility" * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: tweak whitespace in output format intel_idle: Broadwell support intel_idle: Disable Baytrail Core and Module C6 auto-demotion
2014-08-16Merge branch 'rng-queue' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/amit/virtio Pull virtio-rng update from Amit Shah: "Add derating factor for use by hwrng core Sending directly to you with the commit log changes Ted Ts'o pointed out. Not sure if Rusty's back after his travel, but this already has his s-o-b" * 'rng-queue' of git://git.kernel.org/pub/scm/linux/kernel/git/amit/virtio: virtio: rng: add derating factor for use by hwrng core
2014-08-16platform/x86: Enable build support for toshiba_hapsAzael Avalos2-0/+20
Makefile and Kconfig build support patch for the newly introduced kernel module toshiba_haps. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16platform/x86: Toshiba HDD Active Protection SensorAzael Avalos1-0/+265
This driver adds support for the built-in accelereometer found on recent Toshiba laptops with HID TOS620A. This driver receives ACPI notify events 0x80 when the sensor detects a sudden move or a harsh vibration, as well as an ACPI notify event 0x81 whenever the movement or vibration has been stabilized. Also provides sysfs entries to get/set the desired protection level and reseting the HDD protection interface. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi: Add wapf4 quirk for the U32UHans de Goede1-0/+14
As reported here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173681 the U32U needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16alienware-wmi: make hdmi_mux enabled on case-by-case basisMario Limonciello1-2/+20
Not all HW supporting WMAX method will support the HDMI mux feature. Explicitly quirk the HW that does support it. Signed-off-by: Mario Limonciello <mario_limonciello@dell.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16ideapad-laptop: Constify DMI table and other r/o variablesMathias Krause1-2/+2
Constify the rfkill_blacklist[] DMI table, the ideapad_rfk_data[] table and the ideapad_attribute_group attribute group. There's no need to have them writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Ike Panhc <ike.pan@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi.c: Rename x401u quirk to wapf4Hans de Goede1-13/+13
The actual x401u does not use the so named x401u quirk but the x55u quirk. All that the x401u quirk does it setting wapf to 4, so rename it to wapf4 to stop the confusion. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16compal-laptop: correct invalid hwmon nameRoald Frederickx1-1/+1
Change the name of the hwmon interface from "compal-laptop" to "compal". A dash is an invalid character for a hwmon name and caused the call to hwmon_device_register_with_groups() to fail. Signed-off-by: Roald Frederickx <roald.frederickx@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16toshiba_acpi: Add Qosmio X75-A to the alt keymap dmi listAzael Avalos1-0/+7
The Toshiba Qosmio X75-A series models also come with the new keymap layout. This patch adds this model to the alt_keymap_dmi list, along with an extra key found on these models. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16toshiba_acpi: Add extra check to backlight codeAzael Avalos1-4/+17
Some Toshiba models (most notably Qosmios) come with an incomplete backlight method where the AML code doesn't check for write or read commands and always returns HCI_SUCCESS and the actual brightness (and in some cases the max brightness), thus allowing the backlight interface to be registered without write support. This patch changes the set_lcd_brightness function, checking the returned values for values greater than zero to avoid registering a broken backlight interface. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16Fix log message about future removal of interfaceMartin Kepplinger1-3/+3
If this is going away, it won't be in 2012. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16ideapad-laptop: Disable touchpad interface on Yoga modelsHans de Goede1-0/+27
Yoga models don't offer touchpad ctrl through the ideapad interface, causing ideapad_sync_touchpad_state to send wrong touchpad enable/disable events. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi: Add wapf4 quirk for the X550CCHans de Goede1-0/+9
As reported here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173681 the X550CC needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16intel_ips: Make ips_mcp_limits variables staticMathias Krause1-3/+3
These variables don't need to be visible outside of this compilation unit, make them static. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16thinkpad_acpi: Mark volume_alsa_control_{vol,mute} as __initdataMathias Krause1-2/+2
Mark volume_alsa_control_vol and volume_alsa_control_mute as __initdata, as snd_ctl_new1() will copy the relevant parts, so there is no need to keep the master copies around after initialization. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16fujitsu-laptop: Mark fujitsu_dmi_table[] DMI table as __initconstMathias Krause1-5/+5
The DMI table is only ever used during initialization. Mark it as __initconst so its memory can be released afterwards -- roughly 1.5 kB. In turn, the callback functions can be marked with __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Jonathan Woithe <jwoithe@just42.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16hp-wmi: Add missing __init annotations to initialization codeMathias Krause1-3/+3
These functions are only called from other initialization routines, so can be marked __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16hp_accel: Constify ACPI and DMI tablesMathias Krause1-2/+2
Constify the lis3lv02d_device_ids[] ACPI and the lis3lv02d_dmi_ids[] DMI tables. There's no need to have them writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16fujitsu-tablet: Mark DMI callbacks as __init codeMathias Krause1-3/+3
The DMI table is already marked as __initconst, so can be the callback functions as they're only used in that context. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Robert Gerlach <khnz@gmx.de> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16dell-laptop: Mark dell_quirks[] DMI table as __initconstMathias Krause1-3/+3
The dell_quirks[] DMI table is only ever used during initialization. Mark it as __initconst so its memory can be released afterwards -- roughly 5.7 kB. In turn, the callback function can be marked with __init, too. Also the touchpad_led_init() function can be marked __init as it's only referenced from dell_init() -- an __init function. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16eeepc-wmi: Constify asus_quirks[] DMI tableMathias Krause1-1/+1
Constify the asus_quirks[] DMI table. There's no need to have it writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16acer-wmi: Mark init data and code as suchMathias Krause1-20/+21
Quite a lot of code and data of acer-wmi.c is only ever used during initialization. Mark those accordingly -- and constify, where appropriate -- so the memory can be released afterwards. All in all those changes move ~10 kB of code and data to the .init sections, marking them for release after initialization has finished. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: "Lee, Chun-Yi" <jlee@suse.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi: Constify asus_quirks[] DMI tableMathias Krause1-1/+1
Constify the asus_quirks[] DMI table. There's no need to have it writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16alienware-wmi: Mark DMI table as __initconstMathias Krause1-2/+2
The DMI table is only ever used during initialization. Mark it as __initconst so its memory can be released appropriately. In turn, the callback function can be marked with __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16acer-wmi: Hide acer_{suspend,resume} for !CONFIG_PM_SLEEPMathias Krause1-0/+5
Encapsulate acer_suspend() and acer_resume with #ifdef CONFIG_PM_SLEEP to get rid of the following warnings: ../acer-wmi.c:2046:12: warning: ‘acer_suspend’ defined but not used [-Wunused-function] ../acer-wmi.c:2068:12: warning: ‘acer_resume’ defined but not used [-Wunused-function] Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: "Lee, Chun-Yi" <jlee@suse.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16acer-wmi: Mark acer_wmi_keymap[] as __initconstMathias Krause1-1/+1
sparse_keymap_setup() will make a copy of the keymap, so we can release the master copy after initialization. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: "Lee, Chun-Yi" <jlee@suse.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16WMI: Remove unnecessary null testHimangi Saraogi1-4/+0
This patch removes the null test on block. block is initialized at the beginning of the function to &wblock->gblock. Since wblock is dereferenced prior to the null test, wblock must be a valid pointer, and &wblock->gblock cannot be null. The following Coccinelle script is used for detecting the change: @r@ expression e,f; identifier g,y; statement S1,S2; @@ *e = &f->g <+... f->y ...+> *if (e != NULL || ...) S1 else S2 Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16drivers/platform/x86/thinkpad_acpi.c: don't test unsigned int for negativityAndrey Utkin1-1/+1
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80231 Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi: Add wapf4 quirk for the X550CLHans de Goede1-0/+9
As reported here: https://bugs.launchpad.net/bugs/1277959 the X550CL needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi: Add ASUSTeK COMPUTER INC. X200CAAceLan Kao1-0/+13
BIOS won't light on the wifi-led after S3, so asus-wmi driver needs to control the wifi and wifi-led status. But, it'll lead to bt status error if asus-wmi driver controls bt as well. So, for X200CA, asus-wmi driver controls wifi status only and have to set wapf to 1. Signed-off-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-wmi: control wlan-led if wapf > 0AceLan Kao1-2/+2
Wifi will be controlled by asus-wmi driver when wapf > 0 So, controls the wifi-led when wapf > 0 Signed-off-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-wmi: backlight_init: Stop treating -ENODEV as if its not an errorHans de Goede1-4/+1
When bl_power support got added to asus-wmi, the error handling for it was written to ignore -ENODEV, to avoid not registering a backlight interface for models which have no bl_power control, but do have brightness control. At the same time the error handling for brightness_max was modified to do the same, this is wrong, when there is no brightness_max asus-wmi should not register a backlight interface. Note the caller of asus_wmi_backlight_init already special cases -ENODEV, and will not cause the wmi driver regristration to fail because of a -ENODEV return from asus_wmi_backlight_init. https://bugzilla.redhat.com/show_bug.cgi?id=1097436 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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