Commit Graph

482020 Commits

Author SHA1 Message Date
wenxiong@linux.vnet.ibm.com
333b2448cf scsi: TUR path is down after adapter gets reset with multipath
This patch fixes an issue with multipath ipr SAS devices which require a
start unit command to be issued following an adapter reset. Without this
patch, paths get marked failed following an adapter reset and since the
error handler never gets invoked to issue the start unit, the paths are
never recovered. Returning FAILED for this case ensures the error
handler wakes up to issue the start unit.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Tested-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-11-10 15:23:27 +01:00
Christoph Hellwig
e925cc431a scsi: call device handler for failed TUR command
Multipath devices using the TUR path checker need to see the sense
code for a failed TUR command in their device handler.  Since commit
14216561e1 we always return success for mid
layer issued TUR commands before calling the device handler, which
stopped the TUR path checker from working.

Move the call to the device handler check sense method before the early
return for TUR commands to give the device handler a chance to intercept
them.

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Tested-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
2014-11-10 15:23:19 +01:00
Christoph Hellwig
48379270fe scsi: only re-lock door after EH on devices that were reset
Setups that use the blk-mq I/O path can lock up if a host with a single
device that has its door locked enters EH.  Make sure to only send the
command to re-lock the door to devices that actually were reset and thus
might have lost their state.  Otherwise the EH code might be get blocked
on blk_get_request as all requests for non-reset devices might be in use.

Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Meelis Roos <meelis.roos@ut.ee>
Tested-by: Meelis Roos <meelis.roos@ut.ee>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
2014-11-10 15:23:18 +01:00
Borislav Petkov
c0a717f23d x86, microcode, AMD: Fix ucode patch stashing on 32-bit
Save the patch while we're running on the BSP instead of later, before
the initrd has been jettisoned. More importantly, on 32-bit we need to
access the physical address instead of the virtual.

This way we actually do find it on the APs instead of having to go
through the initrd each time.

Tested-by: Richard Hendershot <rshendershot@mchsi.com>
Fixes: 5335ba5cf4 ("x86, microcode, AMD: Fix early ucode loading")
Cc: <stable@vger.kernel.org> # v3.13+
Signed-off-by: Borislav Petkov <bp@suse.de>
2014-11-10 13:50:55 +01:00
Boris Ostrovsky
54279552bd x86/core, x86/xen/smp: Use 'die_complete' completion when taking CPU down
Commit 2ed53c0d6c ("x86/smpboot: Speed up suspend/resume by
avoiding 100ms sleep for CPU offline during S3") introduced
completions to CPU offlining process. These completions are not
initialized on Xen kernels causing a panic in
play_dead_common().

Move handling of die_complete into common routines to make them
available to Xen guests.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Cc: tianyu.lan@intel.com
Cc: konrad.wilk@oracle.com
Cc: xen-devel@lists.xenproject.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1414770572-7950-1-git-send-email-boris.ostrovsky@oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-11-10 11:16:40 +01:00
Chris Zankel
aeb5897342 Linux 3.18-rc4
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Merge tag 'v3.18-rc4' into for_next

Linux 3.18-rc4
2014-11-10 00:05:43 -08:00
Pali Rohár
9d720b34c0 Input: alps - allow up to 2 invalid packets without resetting device
On some Dell Latitude laptops ALPS device or Dell EC send one invalid byte
in 6 bytes ALPS packet. In this case psmouse driver enter out of sync
state. It looks like that all other bytes in packets are valid and also
device working properly. So there is no need to do full device reset, just
need to wait for byte which match condition for first byte (start of
packet). Because ALPS packets are bigger (6 or 8 bytes) default limit is
small.

This patch increase number of invalid bytes to size of 2 ALPS packets which
psmouse driver can drop before do full reset.

Resetting ALPS devices take some time and when doing reset on some Dell
laptops touchpad, trackstick and also keyboard do not respond. So it is
better to do it only if really necessary.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-11-09 22:58:38 -08:00
Takashi Iwai
85a8181329 ALSA: usb-audio: Fix Oops by composite quirk enhancement
The quirk argument itself was used as iterator, so it cannot be taken
back to the original value, obviously.

Fixes: d4b8fc66f7 ('ALSA: usb-audio: Allow multiple entries for the same iface in composite quirk')
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-10 07:44:47 +01:00
Takashi Iwai
48b217aa43 ALSA: pcm: Fix document for snd_pcm_stop_xrun()
Fix a copy & paste error:
 Warning(sound/core/pcm_native.c:1112): Excess function parameter 'state' description in 'snd_pcm_stop_xrun'

The state argument was dropped from snd_pcm_stop_xrun().

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-10 07:38:22 +01:00
Inki Dae
7afbfcc9ae drm/exynos: fix possible infinite loop issue
This patch fixes possible infinite loop issue by postponing
registration to non kms drivers after component_master_add_with_match
call, which can be incurred in all cases that non kms driver is probed
and then component bind is failed

This patch should be applied on top of below patches,
	http://comments.gmane.org/gmane.comp.video.dri.devel/117740
	http://www.spinics.net/lists/linux-samsung-soc/msg38624.html

Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-11-10 14:40:10 +09:00
Inki Dae
9ad703e943 drm/exynos: g2d: fix null pointer dereference
This patch fixes a null pointer dereference issue incurred by
calling g2d_remove when exynos_drm_platform_probe is failed.

cmdlist_pool of g2d is allocated when g2d sub driver is probed.
So if exynos_drm_platform_probe is failed, the g2d sub driver is
not probed and the cmdlist_pool is still NULL.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-11-10 14:40:09 +09:00
Inki Dae
f7c2f36f43 drm/exynos: resolve infinite loop issue on non multi-platform
This patch resovles the infinite loop issue incurred
when Exyno drm driver is enabled but all kms drivers
are disabled on Exynos board by returning -EPROBE_DEFER
only in case that there is kms device registered.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-11-10 14:40:07 +09:00
Inki Dae
06a2f5c2c4 drm/exynos: resolve infinite loop issue on multi-platform
This patch resolves temporarily infinite loop issue incurred
when Exynos drm driver is enabled and multi-platform kernel
is used by registering Exynos drm device object only in case
of Exynos SoC. So this patch will be replaced with more generic
way later.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-11-10 14:40:05 +09:00
Dave Airlie
03dca70852 Merge tag 'drm-intel-fixes-2014-11-07' of git://anongit.freedesktop.org/drm-intel into drm-fixes
Black screen, screen corruption, hardware state corruption fixes.

* tag 'drm-intel-fixes-2014-11-07' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: safeguard against too high minimum brightness
  drm/i915: vlv: fix gunit HW state corruption during S4 suspend
  drm/i915: Disable caches for Global GTT.
2014-11-10 10:05:37 +10:00
Linus Torvalds
206c5f60a3 Linux 3.18-rc4 2014-11-09 14:55:29 -08:00
Linus Torvalds
ee867cf97a arm64 fixes:
- enable bpf syscall for compat
 - cpu_suspend fix when checking the idle state type
 - defconfig update
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:
 - enable bpf syscall for compat
 - cpu_suspend fix when checking the idle state type
 - defconfig update

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: defconfig: update defconfig for 3.18
  arm64: compat: Enable bpf syscall
  arm64: psci: fix cpu_suspend to check idle state type for index
2014-11-09 14:49:56 -08:00
Linus Torvalds
b1f368b58b ARM: SoC fixes for 3.18-rc4
Another quiet week:
 
 - A fix to silence edma probe error on non-supported platforms from Arnd
 - A fix to enable the PL clock for Parallella, to make mainline usable with
   the SDK.
 - A somewhat verbose fix for the PLL clock tree on VF610
 - Enabling of SD/MMC on one of the VF610-based boards (for testing)
 - A fix for i.MX where CONFIG_SPI used to be implicitly enabled and now needs
   to be added to the defconfig instead
 - Another maintainer added for bcm2835: Lee Jones
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Merge tag 'armsoc-for-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Another quiet week:

   - a fix to silence edma probe error on non-supported platforms from
     Arnd
   - a fix to enable the PL clock for Parallella, to make mainline
     usable with the SDK.
   - a somewhat verbose fix for the PLL clock tree on VF610
   - enabling of SD/MMC on one of the VF610-based boards (for testing)
   - a fix for i.MX where CONFIG_SPI used to be implicitly enabled and
     now needs to be added to the defconfig instead
   - another maintainer added for bcm2835: Lee Jones"

* tag 'armsoc-for-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: zynq: Enable PL clocks for Parallella
  dma: edma: move device registration to platform code
  ARM: dts: vf610: add SD node to cosmic dts
  MAINTAINERS: update bcm2835 entry
  ARM: imx: Fix the removal of CONFIG_SPI option
  ARM: imx: clk-vf610: define PLL's clock tree
2014-11-09 14:46:36 -08:00
Linus Torvalds
a315780977 Merge branch 'devicetree/merge' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux
Pull devicetree bugfix from Grant Likely:
 "One buffer overflow bug that shouldn't be left around"

* 'devicetree/merge' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
  of: Fix overflow bug in string property parsing functions
2014-11-09 14:33:49 -08:00
Linus Torvalds
c4c23fb6f2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fix from Chris Mason:
 "It's a one liner for an error cleanup path that leads to crashes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup
2014-11-09 14:30:24 -08:00
Linus Torvalds
0b0c7dbd98 Driver core fixes for 3.18-rc4
Here are 3 tiny fixes for 3.18-rc4.  One fixes up a long-stading race
 condition in the driver core for removing directories in
 /sys/devices/virtual/ and the other 2 fix up the wording of a new
 Kconfig option that was added in 3.18-rc1.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are 3 tiny fixes for 3.18-rc4.

  One fixes up a long-stading race condition in the driver core for
  removing directories in /sys/devices/virtual/ and the other 2 fix up
  the wording of a new Kconfig option that was added in 3.18-rc1"

* tag 'driver-core-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  tiny: rename ENABLE_DEV_COREDUMP to ALLOW_DEV_COREDUMP
  tiny: reverse logic for DISABLE_DEV_COREDUMP
  sysfs: driver core: Fix glue dir race condition by gdp_mutex
2014-11-09 14:11:58 -08:00
Linus Torvalds
86a7a1676a Staging driver fixes for 3.18-rc4
Here are some staging/iio fixes for 3.18-rc4.
 
 Nothing major, just a few bugfixes of things that have been reported.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are some staging/iio fixes for 3.18-rc4.

  Nothing major, just a few bugfixes of things that have been reported"

* tag 'staging-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging:iio:ade7758: Remove "raw" from channel name
  staging:iio:ade7758: Fix check if channels are enabled in prenable
  staging:iio:ade7758: Fix NULL pointer deref when enabling buffer
  iio: as3935: allocate correct iio_device size
  io: accel: kxcjk-1013: Fix iio_event_spec direction
  iio: tsl4531: Fix compiler error when CONFIG_PM_OPS is not defined
  iio: adc: mxs-lradc: Disable the clock on probe failure
  iio: st_sensors: Fix buffer copy
  staging:iio:ad5933: Drop "raw" from channel names
  staging:iio:ad5933: Fix NULL pointer deref when enabling buffer
2014-11-09 14:11:07 -08:00
Linus Torvalds
45a4c0794d TTY/Serial fixes for 3.18-rc4
Here are some tiny serial/tty fixes for 3.18-rc4 that resolve some
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some tiny serial/tty fixes for 3.18-rc4 that resolve some
  reported issues"

* tag 'tty-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: Fix pty master poll() after slave closes v2
  serial: of-serial: fix uninitialized kmalloc variable
  tty/vt: don't set font mappings on vc not supporting this
  tty: serial: 8250_mtk: Fix quot calculation
  tty: Prevent "read/write wait queue active!" log flooding
  tty: Fix high cpu load if tty is unreleaseable
  serial: Fix divide-by-zero fault in uart_get_divisor()
2014-11-09 14:07:30 -08:00
Linus Torvalds
b9427910d2 USB fixes for 3.18-rc4
Here are some USB fixes for 3.18-rc4.
 
 Just a bunch of little fixes resolving reported issues and new device ids for
 existing drivers.  Full details are in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB fixes for 3.18-rc4.

  Just a bunch of little fixes resolving reported issues and new device
  ids for existing drivers.  Full details are in the shortlog"

* tag 'usb-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
  USB: Update default usb-storage delay_use value in kernel-parameters.txt
  USB: cdc-acm: add quirk for control-line state requests
  phy: omap-usb2: Enable runtime PM of omap-usb2 phy properly
  USB: storage: Fix timeout in usb_stor_euscsi_init() and usb_stor_huawei_e220_init()
  USB: cdc-acm: only raise DTR on transitions from B0
  Revert "storage: Replace magic number with define in usb_stor_euscsi_init()"
  usb: core: notify disconnection when core detects disconnect
  usb: core: need to call usb_phy_notify_connect after device setup
  uas: Add US_FL_NO_ATA_1X quirk for 2 more Seagate models
  xhci: no switching back on non-ULT Haswell
  USB: quirks: enable device-qualifier quirk for yet another Elan touchscreen
  USB: quirks: enable device-qualifier quirk for another Elan touchscreen
  MAINTAINERS: Remove duplicate entry for usbip driver
  usb: storage: fix build warnings !CONFIG_PM
  usb: Remove references to non-existent PLAT_S5P symbol
  uas: Add NO_ATA_1X for VIA VL711 devices
  xhci: Disable streams on Asmedia 1042 xhci controllers
  USB: HWA: fix a warning message
  uas: Add US_FL_NO_ATA_1X quirk for 1 more Seagate model
  usb-storage: handle a skipped data phase
  ...
2014-11-09 14:05:53 -08:00
Heiner Kallweit
90a21ff582 imx: thermal: imx_get_temp might be called before sensor clock is prepared
imx_get_temp might be called before the sensor clock is prepared
thus resulting in a timeout of the first attempt to read temp:
thermal thermal_zone0: failed to read out thermal zone 0
Happened to me on a Utilite Standard with IMX6 Dual SoC.

Reason is that in imx_thermal_probe thermal_zone_device_register
is called before the sensor clock is prepared.
thermal_zone_device_register however calls
thermal_zone_device_update which eventually calls imx_get_temp.

Fix this by preparing the clock before calling
thermal_zone_device_register.

Signed-off-by: Heiner Kallweit <heiner.kallweit@web.de>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2014-11-09 15:42:53 -04:00
Takashi Iwai
d4b8fc66f7 ALSA: usb-audio: Allow multiple entries for the same iface in composite quirk
Currently the composite quirk doesn't work when multiple entries are
assigned to the same interface because it marks the interface as
claimed then checks whether the interface has been already claimed for
the secondary entry.  But, if you look at the code, you'll notice that
multiple entries are allowed if the entry is the current interface;
i.e. the current behavior is anyway inconsistent, and this is an
unintended shortcoming.

This patch fixes the problem by marking the relevant interfaces as
claimed after applying the all composite entries.  This fix will be
needed for the upcoming enhancements for Digidesign Mbox 1 quirks.

Reviewed-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-09 18:21:23 +01:00
Takashi Iwai
1fb8510cdb ALSA: pcm: Add snd_pcm_stop_xrun() helper
Add a new helper function snd_pcm_stop_xrun() to the standard sequnce
lock/snd_pcm_stop(XRUN)/unlock by a single call, and replace the
existing open codes with this helper.

The function checks the PCM running state to prevent setting the wrong
state, too, for more safety.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-09 18:20:40 +01:00
Pali Rohár
4ab8f7f320 Input: alps - ignore potential bare packets when device is out of sync
5th and 6th byte of ALPS trackstick V3 protocol match condition for first
byte of PS/2 3 bytes packet. When driver enters out of sync state and ALPS
trackstick is sending data then driver match 5th, 6th and next 1st bytes as
PS/2.

It basically means if user is using trackstick when driver is in out of
sync state driver will never resync. Processing these bytes as 3 bytes PS/2
data cause total mess (random cursor movements, random clicks) and make
trackstick unusable until psmouse driver decide to do full device reset.

Lot of users reported problems with ALPS devices on Dell Latitude E6440,
E6540 and E7440 laptops. ALPS device or Dell EC for unknown reason send
some invalid ALPS PS/2 bytes which cause driver out of sync. It looks like
that i8042 and psmouse/alps driver always receive group of 6 bytes packets
so there are no missing bytes and no bytes were inserted between valid
ones.

This patch does not fix root of problem with ALPS devices found in Dell
Latitude laptops but it does not allow to process some (invalid)
subsequence of 6 bytes ALPS packets as 3 bytes PS/2 when driver is out of
sync.

So with this patch trackstick input device does not report bogus data when
also driver is out of sync, so trackstick should be usable on those
machines.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Pali Rohár <pali.rohar@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-11-08 23:51:30 -08:00
Andreas Färber
92c9e0c780 ARM: dts: zynq: Enable PL clocks for Parallella
The Parallella board comes with a U-Boot bootloader that loads one of
two predefined FPGA bitstreams before booting the kernel. Both define an
AXI interface to the on-board Epiphany processor.

Enable clocks FCLK0..FCLK3 for the Programmable Logic by default.

Otherwise accessing, e.g., the ESYSRESET register freezes the board,
as seen with the Epiphany SDK tools e-reset and e-hw-rev, using /dev/mem.

Cc: <stable@vger.kernel.org> # 3.17.x
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-11-08 16:57:44 -08:00
Dmitry Eremin-Solenikov
403b9636fe PM / sleep: Fix entering suspend-to-IDLE if no freeze_oops is set
If no freeze_ops is set, trying to enter suspend-to-IDLE will cause a
nice oops in platform_suspend_prepare_late(). Add respective checks to
platform_suspend_prepare_late() and platform_resume_early() functions.

Fixes: a8d46b9e4e (ACPI / sleep: Rework the handling of ACPI GPE wakeup ...)
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-11-08 22:30:05 +01:00
Devin Ryles
b456591346 ALSA: hda_intel: Add DeviceIDs for Sunrise Point-LP
This patch adds DeviceIDs for Sunrise Point-LP

Signed-off-by: Devin Ryles <devin.ryles@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-08 20:58:30 +01:00
Linus Torvalds
fe606dffea Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c bugfixes from Wolfram Sang:
 "One bigger cleanup (FSF address removal) and two bugfixes for I2C"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: core: Dispose OF IRQ mapping at client removal time
  i2c: at91: don't account as iowait
  i2c: remove FSF address
2014-11-08 09:32:29 -08:00
Linus Torvalds
a50d7156f1 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "Two fixlets for the armada SoC interrupt controller"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: armada-370-xp: Fix MPIC interrupt handling
  irqchip: armada-370-xp: Fix MSI interrupt handling
2014-11-08 08:47:16 -08:00
Linus Torvalds
ae04e1ca80 Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
 "For:
   - some regression fixes at the Remote Controller core and imon driver
   - a build fix for certain randconfigs with ir-hix5hd2
   - don't feed power to satellite system at ds3000 driver init

  It also contains some fixes for drivers added for Kernel 3.18:
   - some fixes at the new ISDB-S driver, and the corresponding bits to
     fix some descriptors for this Japanese TV standard at the DVB core
   - two warning cleanups for sp2 driver if PM is disabled
   - change the default mode for the new vivid driver"

* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] sp2: sp2_init() can be static
  [media] dvb:tc90522: fix always-false expression
  [media] dvb-core: set default properties of ISDB-S
  [media] dvb:tc90522: fix stats report
  [media] vivid: default to single planar device instances
  [media] imon: fix other RC type protocol support
  [media] ir-hix5hd2 fix build warning
  [media] ds3000: fix LNB supply voltage on Tevii S480 on initialization
  [media] rc5-decoder: BZ#85721: Fix RC5-SZ decoding
  [media] rc-core: fix protocol_change regression in ir_raw_event_register
2014-11-08 08:45:20 -08:00
Ulrik De Bie
0dc1587905 Input: elantech - fix crc_enabled for Fujitsu H730
The Fujitsu H730 does not work with crc_enabled = 0, even though the
crc_enabled bit in the firmware version indicated it would. When switching
this value to crc_enabled to 1, the touchpad works. This patch uses DMI to
detect H730.

Reported-by: Stefan Valouch <stefan@valouch.com>
Tested-by: Stefan Valouch <stefan@valouch.com>
Tested-by: Alfredo Gemma <alfredo.gemma@gmail.com>
Signed-off-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-11-08 00:26:45 -08:00
Ulrik De Bie
caeb0d37fa Input: elantech - use elantech_report_trackpoint for hardware v4 too
The Fujitsu H730 has hardware v4 with a trackpoint. This enables the
elantech_report_trackpoint for v4.

Reported-by: Stefan Valouch <stefan@valouch.com>
Tested-by: Stefan Valouch <stefan@valouch.com>
Tested-by: Alfredo Gemma <alfredo.gemma@gmail.com>
Signed-off-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-11-08 00:26:44 -08:00
NeilBrown
c42bfd7f6c Input: twl4030-pwrbutton - ensure a wakeup event is recorded.
This button is treated as a wakeup source, so we need to initialise it
correctly.

Without the device_init_wakeup() call, dev->power.wakeup will
be NULL, and pm_wakeup_event() will do nothing.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-11-08 00:26:44 -08:00
Linus Torvalds
6ac94d3abc Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This weeks' round of MIPS bug fixes for 3.18:

   - wire up the bpf syscall
   - fix TLB dump output for R3000 class TLBs
   - fix strnlen_user return value if no NUL character was found.
   - fix build with binutils 2.24.51+.  While there is no binutils 2.25
     release yet, toolchains derived from binutils 2.24.51+ are already
     in common use.
   - the Octeon GPIO code forgot to offline GPIO IRQs.
   - fix build error for XLP.
   - fix possible BUG assertion with EVA for CMA"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: Fix build with binutils 2.24.51+
  MIPS: R3000: Fix debug output for Virtual page number
  MIPS: Fix strnlen_user() return value in case of overlong strings.
  MIPS: CMA: Do not reserve memory if not required
  MIPS: Wire up bpf syscall.
  MIPS/Xlp: Remove the dead function destroy_irq() to fix build error
  MIPS: Octeon: Make Octeon GPIO IRQ chip CPU hotplug-aware
2014-11-07 18:08:02 -08:00
Ulf Hansson
c16561e8df PM / Domains: Change prototype for the attach and detach callbacks
Convert the prototypes to return an int in order to support error
handling in these callbacks.

Also, as suggested by Dmitry Torokhov, pass the domain pointer for use
inside the callbacks, and so that they match the existing
power_on/power_off callbacks which currently take the domain pointer.

Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ khilman: added domain as parameter to callbacks, as suggested by Dmitry ]
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-11-08 02:23:21 +01:00
Geert Uytterhoeven
09712f557b cpufreq: Avoid crash in resume on SMP without OPP
When resuming from s2ram on an SMP system without cpufreq operating
points (e.g. there's no "operating-points" property for the CPU node in
DT, or the platform doesn't use DT yet), the kernel crashes when
bringing CPU 1 online:

    Enabling non-boot CPUs ...
    CPU1: Booted secondary processor
    Unable to handle kernel NULL pointer dereference at virtual address 0000003c
    pgd = ee5e6b00
    [0000003c] *pgd=6e579003, *pmd=6e588003, *pte=00000000
    Internal error: Oops: a07 [#1] SMP ARM
    Modules linked in:
    CPU: 0 PID: 1246 Comm: s2ram Tainted: G        W      3.18.0-rc3-koelsch-01614-g0377af242bb175c8-dirty #589
    task: eeec5240 ti: ee704000 task.ti: ee704000
    PC is at __cpufreq_add_dev.isra.24+0x24c/0x77c
    LR is at __cpufreq_add_dev.isra.24+0x244/0x77c
    pc : [<c0298efc>]    lr : [<c0298ef4>]    psr: 60000153
    sp : ee705d48  ip : ee705d48  fp : ee705d84
    r10: c04e0450  r9 : 00000000  r8 : 00000001
    r7 : c05426a8  r6 : 00000001  r5 : 00000001  r4 : 00000000
    r3 : 00000000  r2 : 00000000  r1 : 20000153  r0 : c0542734

Verify that policy is not NULL before dereferencing it to fix this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fixes: 8414809c6a (cpufreq: Preserve policy structure across suspend/resume)
Cc: 3.12+ <stable@vger.kernel.org> # 3.12+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-11-08 02:10:04 +01:00
Linus Torvalds
661b99e95f xfs: fixes for v3.18-rc3
This update fixes:
 
 - incorrect warnings about i_mutex locking in
   pagecache_isize_extended() and updates comments to match expected
   locking
 - another zero-range bug fix for stray file size updates
 - a bunch of fixes for regression in the bulkstat code introduced in
   3.17.
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Merge tag 'xfs-for-linus-3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs

Pull xfs fixes from Dave Chinner:
 "This update fixes a warning in the new pagecache_isize_extended() and
  updates some related comments, another fix for zero-range
  misbehaviour, and an unforntuately large set of fixes for regressions
  in the bulkstat code.

  The bulkstat fixes are large but necessary.  I wouldn't normally push
  such a rework for a -rcX update, but right now xfsdump can silently
  create incomplete dumps on 3.17 and it's possible that even xfsrestore
  won't notice that the dumps were incomplete.  Hence we need to get
  this update into 3.17-stable kernels ASAP.

  In more detail, the refactoring work I committed in 3.17 has exposed a
  major hole in our QA coverage.  With both xfsdump (the major user of
  bulkstat) and xfsrestore silently ignoring missing files in the
  dump/restore process, incomplete dumps were going unnoticed if they
  were being triggered.  Many of the dump/restore filesets were so small
  that they didn't evenhave a chance of triggering the loop iteration
  bugs we introduced in 3.17, so we didn't exercise the code
  sufficiently, either.

  We have already taken steps to improve QA coverage in xfstests to
  avoid this happening again, and I've done a lot of manual verification
  of dump/restore on very large data sets (tens of millions of inodes)
  of the past week to verify this patch set results in bulkstat behaving
  the same way as it does on 3.16.

  Unfortunately, the fixes are not exactly simple - in tracking down the
  problem historic API warts were discovered (e.g xfsdump has been
  working around a 20 year old bug in the bulkstat API for the past 10
  years) and so that complicated the process of diagnosing and fixing
  the problems.  i.e. we had to fix bugs in the code as well as
  discover and re-introduce the userspace visible API bugs that we
  unwittingly "fixed" in 3.17 that xfsdump relied on to work correctly.

  Summary:

   - incorrect warnings about i_mutex locking in pagecache_isize_extended()
     and updates comments to match expected locking
   - another zero-range bug fix for stray file size updates
   - a bunch of fixes for regression in the bulkstat code introduced in
     3.17"

* tag 'xfs-for-linus-3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs:
  xfs: track bulkstat progress by agino
  xfs: bulkstat error handling is broken
  xfs: bulkstat main loop logic is a mess
  xfs: bulkstat chunk-formatter has issues
  xfs: bulkstat chunk formatting cursor is broken
  xfs: bulkstat btree walk doesn't terminate
  mm: Fix comment before truncate_setsize()
  xfs: rework zero range to prevent invalid i_size updates
  mm: Remove false WARN_ON from pagecache_isize_extended()
  xfs: Check error during inode btree iteration in xfs_bulkstat()
  xfs: bulkstat doesn't release AGI buffer on error
2014-11-07 14:08:13 -08:00
Andreas Larsson
1a17fdc4f4 sparc32: Implement xchg and atomic_xchg using ATOMIC_HASH locks
Atomicity between xchg and cmpxchg cannot be guaranteed when xchg is
implemented with a swap and cmpxchg is implemented with locks.
Without this, e.g. mcs_spin_lock and mcs_spin_unlock are broken.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-07 12:51:44 -08:00
Charles Keepax
436c2a5036 asix: Do full reset during ax88772_bind
commit 3cc81d85ee ("asix: Don't reset PHY on if_up for ASIX 88772")
causes the ethernet on Arndale to no longer function. This appears to
be because the Arndale ethernet requires a full reset before it will
function correctly, however simply reverting the above patch causes
problems with ethtool settings getting reset.

It seems the problem is that the ethernet is not properly reset during
bind, and indeed the code in ax88772_bind that resets the device is a
very small subset of the actual ax88772_reset function. This patch uses
ax88772_reset in place of the existing reset code in ax88772_bind which
removes some code duplication and fixes the ethernet on Arndale.

It is still possible that the original patch causes some issues with
suspend and resume but that seems like a separate issue and I haven't
had a chance to test that yet.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Tested-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-07 15:30:03 -05:00
Linus Torvalds
51f83ef0c9 regulator: Fixes for v3.18
More changes than I'd like here, most of them for a single bug repeated
 in a bunch of drivers with data not being initialized correctly, plus a
 fix to lower the severity of a warning introduced in the last merge
 window which can legitimately go off so we don't want to alarm users
 excessively.
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Merge tag 'regulator-v3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "More changes than I'd like here, most of them for a single bug
  repeated in a bunch of drivers with data not being initialized
  correctly, plus a fix to lower the severity of a warning introduced in
  the last merge window which can legitimately go off so we don't want
  to alarm users excessively"

* tag 'regulator-v3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: s2mpa01: zero-initialize regulator match table array
  regulator: max8660: zero-initialize regulator match table array
  regulator: max77802: zero-initialize regulator match table
  regulator: max77686: zero-initialize regulator match table
  regulator: max1586: zero-initialize regulator match table array
  regulator: max77693: Fix use of uninitialized regulator config
  regulator: of: Lower the severity of the error with no container
2014-11-07 11:55:47 -08:00
Linus Torvalds
1395b9cfd5 spi: Bug fixes for v3.18
A couple of small driver fixes for v3.18, both quite problematic if you
 hit a use case that's affected.
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Merge tag 'spi-v3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi bugfixes from Mark Brown:
 "A couple of small driver fixes for v3.18, both quite problematic if
  you hit a use case that's affected"

* tag 'spi-v3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: pxa2xx: toggle clocks on suspend if not disabled by runtime PM
  spi: fsl-dspi: Fix CTAR selection
2014-11-07 11:54:44 -08:00
Johannes Berg
cd3d9ea142 tiny: rename ENABLE_DEV_COREDUMP to ALLOW_DEV_COREDUMP
The ENABLE_DEV_COREDUMP option is misleading as it implies that
it gets the framework enabled, this isn't true it just allows it
to get enabled if a driver needs it.

Rename it to ALLOW_DEV_COREDUMP to better capture its semantics.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07 11:07:35 -08:00
Aristeu Rozanski
9c6026994c tiny: reverse logic for DISABLE_DEV_COREDUMP
It's desirable for allnconfig and tinyconfig targets to result in the
least amount of code possible. DISABLE_DEV_COREDUMP exists as a way to
switch off DEV_COREDUMP regardless if any drivers select
WANT_DEV_COREDUMP.

This patch renames the option to ENABLE_DEV_COREDUMP and setting it to
'n' (as in allnconfig or tinyconfig) will effectively disable device
coredump.

Cc: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07 11:07:35 -08:00
Bartlomiej Zolnierkiewicz
1d6a277757 thermal: exynos: use correct offset for TMU_CONTROL register on Exynos5260
In exynos5260_tmu_registers tmu_ctrl entry is erroneously
assigned twice.  The second assignment (to EXYNOS_TMU_REG_CONTROL1
define which represents 0x24 value) overrides the first one
(to EXYNOS_TMU_REG_CONTROL define which represents 0x20 value)
which results in the wrong (according to the Exynos5260 SoC
documentation that I have) offset being used for TMU_CONTROL
register.  Fix it by removing the wrong assignment and then
remove no longer used EXYNOS_TMU_REG_CONTROL1 define.

Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2014-11-07 14:52:42 -04:00
Bai Ping
491b079db3 thermal: imx: correct driver load sequence for cpu cooling
thermal driver should be regisetered after cpufreq driver has
been registered and probed. Doing so is to make sure that thermal
driver can get the max cpu cooling states correctly when calling
get_property.

Signed-off-by: Bai Ping <b51503@freescale.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2014-11-07 14:44:41 -04:00
Giedrius Statkevicius
a4c724d072 platform: hp_accel: add a i8042 filter to remove HPQ6000 data from kb bus stream
Add a i8042 filter to hp_accel to remove accelerometer's data with acpi
id HPQ6000 from keyboard bus stream. The codes sent by accelerometer are
e0 25, e0 26, e0 27 and e0 28. The relevant information is already
passed through /dev/freefall so no need to send these undocumented weird
signals through the keyboard bus. Also, unclogs `dmesg` because atkbd
complained about weird scan codes, saves processing power and disk
space.

Signed-off-by: Giedrius Statkevičius <giedriuswork@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2014-11-07 10:37:03 -08:00
Laurent Pinchart
e4df3a0b62 i2c: core: Dispose OF IRQ mapping at client removal time
Clients instantiated from OF get an IRQ mapping created at device
registration time. Dispose the mapping when the client is removed.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2014-11-07 19:03:18 +01:00