Commit Graph

496070 Commits

Author SHA1 Message Date
Rafael J. Wysocki
d61c81cb68 e1000e / igb / PM: Eliminate CONFIG_PM_RUNTIME
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME within #ifdef blocks depending on
CONFIG_PM may be dropped now.

Do that in the e1000e and igb network drivers.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-12-05 03:06:53 +01:00
Rafael J. Wysocki
162d6f9800 MMC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under
drivers/mmc/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-05 03:05:33 +01:00
Rafael J. Wysocki
48bb9fe4b3 MFD / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under
drivers/mfd/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
2014-12-05 03:04:12 +01:00
Rafael J. Wysocki
bbd6d05075 misc / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under
drivers/misc/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-05 02:56:02 +01:00
Rafael J. Wysocki
e243c7c1a4 media / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

The alternative of CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME may be
replaced with CONFIG_PM too.

Make these changes everywhere under drivers/media/.

Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Kamil Debski <k.debski@samsung.com>
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-12-05 02:55:12 +01:00
Rafael J. Wysocki
dc5686e45d input / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

The alternative of CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME may be
replaced with CONFIG_PM too.

Make these changes in 2 files under drivers/input/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Ferruh Yigit <fery@cypress.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-12-05 02:54:17 +01:00
Linus Torvalds
56c67ce187 ACPI backlight fix for 3.18-rc8
This is a simple fix for an ACPI backlight regression introduced by
 a recent commit that overlooked a corner case which should have been
 taken into account.
 
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Merge tag 'pm+acpi-3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI backlight fix from Rafael Wysocki:
 "This is a simple fix for an ACPI backlight regression introduced by a
  recent commit that overlooked a corner case which should have been
  taken into account"

* tag 'pm+acpi-3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / video: update condition to check if device is in _DOD list
2014-12-04 17:48:13 -08:00
Dave Airlie
3e3282c0a2 Merge tag 'drm-intel-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel into drm-fixes
Silence some pch fifo underrun reports and panel locking backtraces,
both cc: stable.

* tag 'drm-intel-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Unlock panel even when LVDS is disabled
  drm/i915: More cautious with pch fifo underruns
2014-12-05 11:12:29 +10:00
Dave Airlie
7608867d0c Merge tag 'drm-intel-next-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel into drm-next
Fixes for 3.20. I did stick the gen3/4 reset work from Ville in because we
have an awful lot of gen4 mesa hangs, and with this reset should also work
on vintage i965g/gm (we already have reset for g4x/gen4.5). So should help
to appease users suffering from these hangs. Otherwise all over.

This is the last 3.20 pull from me, from here on Jani will take over. By Ville Syrjälä (8) and others
* tag 'drm-intel-next-fixes-2014-12-04' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Reject modeset when the same digital port is used more than once
  drm/i915: mask RPS IRQs properly when disabling RPS
  drm/i915: Tune down spurious CRC interrupt warning
  drm/i915: Fix context object leak for legacy contexts
  drm/i915/skl: Update in Gen9 multi-engine forcewake range
  drm/i915/eDP: When enabling panel VDD cancel pending disable worker
  drm/i915: Handle runtime pm in the CRC setup code
  drm/i915: Disable crtcs gracefully before GPU reset on gen3/4
  drm/i915: Grab modeset locks for GPU rest on pre-ctg
  drm/i915: Implement GPU reset for g33
  drm/i915: Implement GPU reset for 915/945
  drm/i915: Restore the display config after a GPU reset on gen4
  drm/i915: Fix gen4 GPU reset
  drm/i915: Stop gathering error states for CS error interrupts
  drm/i915: Disallow pin ioctl completely for kms drivers
  drm/i915: Only warn the first time we attempt to mmio whilst suspended
  drm/i915/chv: Enable AVI, SPD and HDMI infoframes for CHV.
  drm/i915: Don't clobber crtc->new_config when nothing changes
2014-12-05 11:11:57 +10:00
Dave Airlie
047b35f27b Merge branch 'amdkfd-next-3.19' of git://people.freedesktop.org/~gabbayo/linux into drm-next
Just three more fixes for 3.19.
This is the last request until -rc1. I will have our QA team run a full
HSA stack test on 3.19-rc1 and if we find problems, I will send a fixes pull
request.

* 'amdkfd-next-3.19' of git://people.freedesktop.org/~gabbayo/linux:
  amdkfd: Set *buffer_ptr to NULL in case of error
  amdkfd: use atomic allocations within srcu callbacks
  amdkfd: use sizeof(long) granularity for the pasid bitmask
2014-12-05 11:10:59 +10:00
Dave Airlie
d58e0d9034 Merge branch 'drm-next-3.19-wip' of git://people.freedesktop.org/~agd5f/linux into drm-next
- More cursor and hotspot handling fixes
- Fix some typos in the new smc fan control code and enable on CI
- VM and CS cleanups

* 'drm-next-3.19-wip' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: enable smc fan control on CI
  drm/radeon: use pointers instead of indexes for CS chunks
  drm/radeon: remove duplicates check
  drm/ttm: optionally move duplicates to a separate list
  drm/radeon: check the right ring in radeon_evict_flags()
  drm/radeon: fix copy paste typos in fan control for si/ci
  drm/radeon: Hide cursor on CRTCs used by fbdev (v2)
  drm/radeon: add spinlock for BO_VA status protection (v2)
  drm/radeon: fence PT updates as shared
  drm/radeon: rename radeon_cs_reloc to radeon_bo_list
  drm/radeon: drop the handle from radeon_cs_reloc
  drm/radeon drop gobj from radeon_cs_reloc
  drm/radeon: fix typo in new fan control registers for SI/CI
  drm/radeon: sync all BOs involved in a CS
  drm/radeon: Move hotspot handling out of radeon_set_cursor
  drm/radeon: Re-show the cursor after a modeset
2014-12-05 11:08:31 +10:00
Linus Torvalds
ebea76f5b9 media fixes for v3.18-rc8
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Merge tag 'media/v3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:
 "A core fix and some driver fixes:
   - regression fix in Remote Controller core affecting RC6 protocol
     handling
   - fix video buffer handling in cx23885
   - race fix in solo6x10
   - fix image selection in smiapp
   - fix reported payload size on s2255drv
   - two updates for MAINTAINERS file"

* tag 'media/v3.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] rc-core: fix toggle handling in the rc6 decoder
  MAINTAINERS: Update mchehab's addresses
  [media] cx23885: use sg = sg_next(sg) instead of sg++
  [media] s2255drv: fix payload size for JPG, MJPEG
  [media] Update MAINTAINERS for solo6x10
  [media] solo6x10: fix a race in IRQ handler
  [media] smiapp: Only some selection targets are settable
2014-12-04 16:06:02 -08:00
Masahiro Yamada
d0747f10ed uapi: fix to export linux/vm_sockets.h
A typo "header=y" was introduced by commit 7071cf7fc4 ("uapi: add
missing network related headers to kbuild").

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-04 15:28:40 -08:00
Jiada Wang
4c9a8845f9 ASoC: fsl_ssi: fix error path in probe
SSI component isn't unregistered if fsl_ssi_debugfs_create() fails
in probe phase.

To fix it, this commit replaces label error_asoc_register with
error_irq.

Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:47:57 +00:00
Fabio Estevam
2ffa531078 ASoC: fsl_ssi: Fix module unbound
Trying to remove the snd-soc-fsl-ssi module leads to the following warning:

[   31.515336] ------------[ cut here ]------------
[   31.520091] WARNING: CPU: 2 PID: 434 at fs/proc/generic.c:521 remove_proc_entry+0x14c/0x16c()
[   31.528708] remove_proc_entry: removing non-empty directory 'irq/79', leaking at least '202c000.ss'
[   31.537911] Modules linked in: snd_soc_wm8962 snd_soc_imx_wm8962 snd_soc_fsl_ssi(-) evbug
[   31.546249] CPU: 2 PID: 434 Comm: rmmod Not tainted 3.18.0-rc6-00028-g3314bf6-dirty #1
[   31.554235] Backtrace:
[   31.556816] [<80011ea8>] (dump_backtrace) from [<80012044>] (show_stack+0x18/0x1c)
[   31.564416]  r6:80142c88 r5:00000000 r4:00000000 r3:00000000
[   31.570267] [<8001202c>] (show_stack) from [<806980ec>] (dump_stack+0x88/0xa4)
[   31.577588] [<80698064>] (dump_stack) from [<80029d78>] (warn_slowpath_common+0x70/0x94)
[   31.585711]  r5:00000009 r4:bb61fd90
[   31.589423] [<80029d08>] (warn_slowpath_common) from [<80029e40>] (warn_slowpath_fmt+0x38/0x40)
[   31.598187]  r8:bb61fdfe r7:be05d76d r6:be05d9a8 r5:00000002 r4:be05d700
[   31.605054] [<80029e0c>] (warn_slowpath_fmt) from [<80142c88>] (remove_proc_entry+0x14c/0x16c)
[   31.613709]  r3:806a79c0 r2:808229a0
[   31.617371] [<80142b3c>] (remove_proc_entry) from [<80070380>] (unregister_irq_proc+0x94/0xb8)
[   31.625989]  r10:00000000 r8:8000ede4 r7:80955f2c r6:0000004f r5:8118e738 r4:be00af00
[   31.633952] [<800702ec>] (unregister_irq_proc) from [<80069dac>] (free_desc+0x2c/0x64)
[   31.641898]  r6:0000004f r5:80955f38 r4:be00af00
[   31.646604] [<80069d80>] (free_desc) from [<80069e68>] (irq_free_descs+0x4c/0x8c)
[   31.654092]  r7:00000081 r6:00000001 r5:0000004f r4:00000001
[   31.659863] [<80069e1c>] (irq_free_descs) from [<8006fc3c>] (irq_dispose_mapping+0x40/0x5c)
[   31.668247]  r6:be17b844 r5:be17b800 r4:0000004f r3:802c5ec0
[   31.673998] [<8006fbfc>] (irq_dispose_mapping) from [<7f004ea4>] (fsl_ssi_remove+0x58/0x70 [snd_so)
[   31.683948]  r4:bb5bba10 r3:00000001
[   31.687618] [<7f004e4c>] (fsl_ssi_remove [snd_soc_fsl_ssi]) from [<803720a0>] (platform_drv_remove)
[   31.697564]  r5:7f0064f8 r4:be17b810
[   31.701195] [<80372080>] (platform_drv_remove) from [<80370494>] (__device_release_driver+0x78/0xc)
[   31.710361]  r5:7f0064f8 r4:be17b810
[   31.713987] [<8037041c>] (__device_release_driver) from [<80370d20>] (driver_detach+0xbc/0xc0)
[   31.722631]  r5:7f0064f8 r4:be17b810
[   31.726259] [<80370c64>] (driver_detach) from [<80370304>] (bus_remove_driver+0x54/0x98)
[   31.734382]  r6:00000800 r5:00000000 r4:7f0064f8 r3:bb67f500
[   31.740149] [<803702b0>] (bus_remove_driver) from [<80371398>] (driver_unregister+0x30/0x50)
[   31.748617]  r4:7f0064f8 r3:bd9f7080
[   31.752245] [<80371368>] (driver_unregister) from [<80371f3c>] (platform_driver_unregister+0x14/0x)
[   31.761498]  r4:7f00655c r3:7f005a70
[   31.765130] [<80371f28>] (platform_driver_unregister) from [<7f005a84>] (fsl_ssi_driver_exit+0x14/)
[   31.776147] [<7f005a70>] (fsl_ssi_driver_exit [snd_soc_fsl_ssi]) from [<8008ed80>] (SyS_delete_mod)
[   31.786553] [<8008ec64>] (SyS_delete_module) from [<8000ec20>] (ret_fast_syscall+0x0/0x48)
[   31.794824]  r6:00c46d18 r5:00000800 r4:00c46d18
[   31.799530] ---[ end trace 954e8a3a15379e52 ]---

The cause of problem and solution are well explained by Lars-Peter:

"The driver creates the mapping by calling irq_of_parse_and_map(), so it also
has to dispose the mapping. But the easy way out is to simply use
platform_get_irq() instead of irq_of_parse_map(). In this case the mapping is
not managed by the device but by the of core, so the device has not to dispose
the mapping."

Tested on a imx6q-sabresd board.

Reported-by: Jiada Wang <jiada_wang@mentor.com>
Suggested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:46:51 +00:00
Seung-Woo Kim
60a2362f76 regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing
After freeing pin from regulator_ena_gpio_free, loop can access
the pin. So this patch fixes not to access pin after freeing.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:45:36 +00:00
Heiner Kallweit
1a7e06d260 spi: fsl-spi: remove unused variable assignment
Remove an unused variable assignment.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:44:05 +00:00
Fabio Estevam
75c410884a spi: spi-fsl-spi: Return an error code in fsl_spi_do_one_msg()
Since commit c592becbe7 ("spi: fsl-(e)spi: migrate to generic master
queueing") the function fsl_spi_do_one_msg() is not void anymore, so return
an error code to avoid the following buid warning:

   drivers/spi/spi-fsl-spi.c: In function 'fsl_spi_do_one_msg':
>> drivers/spi/spi-fsl-spi.c:374:4: warning: 'return' with no value, in function returning non-void [-Wreturn-type]
       return;
       ^

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:43:56 +00:00
Jarkko Nikula
98a8f5a053 spi: core: Do not mangle error code from kthread_run()
kthread_run() could return ERR_PTR(-EINTR) from kthread_create_on_node().
Return the actual error code in spi_init_queue() instead of mangling it to
-ENOMEM.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:42:37 +00:00
Qiao Zhou
36fba62cce ASoC: soc-pcm: do not hw_free BE if it's still used
Do not free BE hw if it's still used by other FE during dpcm runtime
shutdown. Otherwise the BE runtime state will be STATE_HW_FREE and
won't be updated to STATE_CLOSE when shutdown ends, because BE dai
shutdown function won't close pcm when detecting BE is still under
use. With STATE_HW_FREE, BE can't be triggered start again.

This corner case can easily appear when one BE is used by two FE,
without this patch "ASoC: dpcm: Fix race between FE/BE updates and
trigger"(ea9d0d771f). One FE tries to
shutdown but it's raced against xrun on another FE. It improves the
be dai hw_free logic.

Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:41:58 +00:00
Peter Rosin
f8781db8ae ASoC: Augment existing card DAPM routes in snd_soc_of_parse_audio_routing
If a snd_soc_card has any DAPM routes when it calls
snd_soc_of_parse_audio_routing, those are clobbered without this change.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-04 22:40:13 +00:00
John W. Linville
7be6ff65ce MAINTAINERS: orphan rtl8180
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-12-04 16:52:41 -05:00
James Morris
b2d1965dce Merge branch 'next' of git://git.infradead.org/users/pcmoore/selinux into next 2014-12-05 08:49:14 +11:00
Rafał Miłecki
dd7733da69 ARM: BCM5301X: Add DT for Buffalo WZR-600DHP2
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:58:11 +01:00
Rafał Miłecki
ae2ed35a40 ARM: BCM5301X: Add DT for Asus RT-N18U
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:58:08 +01:00
Rafał Miłecki
e336a14d2a ARM: BCM5301X: Add DT for Buffalo WZR-1750DHP
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:58:05 +01:00
Rafał Miłecki
302a5ef29d ARM: BCM5301X: Add DT for Netgear R6300 V2
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:58:03 +01:00
Rafał Miłecki
f6f8234439 ARM: BCM5301X: Add buttons for Netgear R6250
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2014-12-04 20:57:58 +01:00
Al Viro
f77c80142e bury struct proc_ns in fs/proc
a) make get_proc_ns() return a pointer to struct ns_common
b) mirror ns_ops in dentry->d_fsdata of ns dentries, so that
is_mnt_ns_file() could get away with fewer dereferences.

That way struct proc_ns becomes invisible outside of fs/proc/*.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:34:54 -05:00
Al Viro
33c429405a copy address of proc_ns_ops into ns_common
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:34:47 -05:00
Al Viro
6344c433a4 new helpers: ns_alloc_inum/ns_free_inum
take struct ns_common *, for now simply wrappers around proc_{alloc,free}_inum()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:34:36 -05:00
Al Viro
64964528b2 make proc_ns_operations work with struct ns_common * instead of void *
We can do that now.  And kill ->inum(), while we are at it - all instances
are identical.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:34:17 -05:00
Al Viro
3c04118461 switch the rest of proc_ns_operations to working with &...->ns
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:34:11 -05:00
Al Viro
ff24870f46 netns: switch ->get()/->put()/->install()/->inum() to working with &net->ns
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:34:04 -05:00
Al Viro
58be28256d make mntns ->get()/->put()/->install()/->inum() work with &mnt_ns->ns
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:33:24 -05:00
Al Viro
435d5f4bb2 common object embedded into various struct ....ns
for now - just move corresponding ->proc_inum instances over there

Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-12-04 14:31:00 -05:00
Nishanth Menon
b95579cd87 hwmon: (gpio-fan) Add a shutdown handler to poweroff the fans
Poweroff the fans when shutting down the system. Else,
echo '1' > /sys/class/hwmon/hwmon0/fan1_target; poweroff leaves the
fan running if the System power off does not drive the gpio expander
which might control the fan power supply.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-12-04 11:04:14 -08:00
Nishanth Menon
52a95c1185 hwmon: (gpio-fan) Allow usage of gpio operations that may sleep
Certain I2C based GPIO expanders could be used in sleepable context,
this results in:
[  115.890569] ------------[ cut here ]------------
[  115.895422] WARNING: CPU: 0 PID: 1115 at drivers/gpio/gpiolib.c:1370 gpiod_set_raw_value+0x40/0x4c()
[  115.905024] Modules linked in:
[  115.908229] CPU: 0 PID: 1115 Comm: sh Tainted: G        W      3.18.0-rc7-next-20141203-dirty #1
[  115.917461] Hardware name: Generic DRA74X (Flattened Device Tree)
[  115.923876] [<c0015368>] (unwind_backtrace) from [<c00119f4>] (show_stack+0x10/0x14)
[  115.932013] [<c00119f4>] (show_stack) from [<c05b78e8>] (dump_stack+0x78/0x94)
[  115.939594] [<c05b78e8>] (dump_stack) from [<c003de28>] (warn_slowpath_common+0x7c/0xb4)
[  115.948094] [<c003de28>] (warn_slowpath_common) from [<c003de7c>] (warn_slowpath_null+0x1c/0x24)
[  115.957315] [<c003de7c>] (warn_slowpath_null) from [<c03461e8>] (gpiod_set_raw_value+0x40/0x4c)
[  115.966457] [<c03461e8>] (gpiod_set_raw_value) from [<c04866f4>] (set_fan_speed+0x4c/0x64)
[  115.975145] [<c04866f4>] (set_fan_speed) from [<c04868a8>] (set_rpm+0x98/0xac)
[  115.982742] [<c04868a8>] (set_rpm) from [<c039fb4c>] (dev_attr_store+0x18/0x24)
[  115.990426] [<c039fb4c>] (dev_attr_store) from [<c01b0a28>] (sysfs_kf_write+0x4c/0x50)
[  115.998742] [<c01b0a28>] (sysfs_kf_write) from [<c01afe1c>] (kernfs_fop_write+0xbc/0x19c)
[  116.007333] [<c01afe1c>] (kernfs_fop_write) from [<c0148cc4>] (vfs_write+0xb0/0x1a0)
[  116.015461] [<c0148cc4>] (vfs_write) from [<c0148fbc>] (SyS_write+0x44/0x84)
[  116.022881] [<c0148fbc>] (SyS_write) from [<c000e5c0>] (ret_fast_syscall+0x0/0x48)
[  116.030833] ---[ end trace 3a0b636123acab82 ]---

So, switch over to sleepable GPIO operations as there is no mandatory
need for non-sleepable gpio operations in the fan driver.

This allows the fan driver to be used with i2c based gpio expanders such
as palmas_gpio.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-12-04 11:04:11 -08:00
Bartosz Golaszewski
90652efeba hwmon: (tmp401) Bail out from tmp401_probe() in case of write errors
The return value of i2c_smbus_read_byte_data() is checked in
tmp401_init_client(), but only a warning is printed and the device is
registered anyway. This leads to devices being registered even if they
cannot be physically detected.

Bail out from probe in case of write errors and notify the user.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-12-04 11:00:44 -08:00
Patrick Titiano
06adbaec2a hwmon: (tmp401) Add support for TI TMP435
Signed-off-by: Patrick Titiano <ptitiano@baylibre.com>
[Bartosz Golaszewski: prepared for submission, code review fixes]
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
[Guenter Roeck: Merged two patches into one]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-12-04 10:59:42 -08:00
Vishnu Motghare
681d15a0f5 i2c: cadence: Set the hardware time-out register to maximum value
Cadence I2C controller has bug wherein it generates invalid read transactions
after timeout in master receiver mode. This driver does not use the HW
timeout and this interrupt is disabled but the feature itself cannot be
disabled. Hence, this patch writes the maximum value (0xFF) to this register.
This is one of the workarounds to this bug and it will not avoid the issue
completely but reduces the chances of error.

Signed-off-by: Vishnu Motghare <vishnum@xilinx.com>
Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2014-12-04 19:25:41 +01:00
Grygorii Strashko
9ea359f731 i2c: davinci: generate STP always when NACK is received
According to I2C specification the NACK should be handled as follows:
"When SDA remains HIGH during this ninth clock pulse, this is defined as the Not
Acknowledge signal. The master can then generate either a STOP condition to
abort the transfer, or a repeated START condition to start a new transfer."
[I2C spec Rev. 6, 3.1.6: http://www.nxp.com/documents/user_manual/UM10204.pdf]

Currently the Davinci i2c driver interrupts the transfer on receipt of a
NACK but fails to send a STOP in some situations and so makes the bus
stuck until next I2C IP reset (idle/enable).

For example, the issue will happen during SMBus read transfer which
consists from two i2c messages write command/address and read data:

S Slave Address Wr A Command Code A Sr Slave Address Rd A D1..Dn A P
<--- write -----------------------> <--- read --------------------->

The I2C client device will send NACK if it can't recognize "Command Code"
and it's expected from I2C master to generate STP in this case.
But now, Davinci i2C driver will just exit with -EREMOTEIO and STP will
not be generated.

Hence, fix it by generating Stop condition (STP) always when NACK is received.

This patch fixes Davinci I2C in the same way it was done for OMAP I2C
commit cda2109a26 ("i2c: omap: query STP always when NACK is received").

Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reported-by: Hein Tibosch <hein_tibosch@yahoo.es>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
2014-12-04 19:25:31 +01:00
Tejun Heo
2b21ef0aae ahci: disable MSI on SAMSUNG 0xa800 SSD
Just like 0x1600 which got blacklisted by 66a7cbc303 ("ahci: disable
MSI instead of NCQ on Samsung pci-e SSDs on macbooks"), 0xa800 chokes
on NCQ commands if MSI is enabled.  Disable MSI.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Dominik Mierzejewski <dominik@greysector.net>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=89171
Cc: stable@vger.kernel.org
2014-12-04 13:18:55 -05:00
Grygorii Strashko
2c6ef04ffa i2c: davinci: switch to use platform_get_irq
Switch Davinci I2C driver to use platform_get_irq(), because
it is not recommened to use platform_get_resource(pdev, IORESOURCE_IRQ, ..)
for requesting IRQ resources any more, as they can be not ready yet
in case of DT-boot.

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-12-04 19:15:08 +01:00
Arnd Bergmann
ef1dfa7332 Fifth batch of cleanup/SoC for 3.19:
- removal of now dead code and AT91-specific driver
 - removal of !DT initialization in some core AT91 drivers
 - simplification of Kconfig DT board file selection: now automatic
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Merge tag 'at91-cleanup5' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup

Pull "Fifth batch of cleanup/SoC for 3.19" from Nicolas Ferre:

- removal of now dead code and AT91-specific driver
- removal of !DT initialization in some core AT91 drivers
- simplification of Kconfig DT board file selection: now automatic

* tag 'at91-cleanup5' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91: remove unused board.h file
  ARM: at91: remove unneeded header files
  ARM: at91/clocksource: remove !DT PIT initializations
  ARM: at91: at91rm9200 ST initialization is now DT only
  ARM: at91: remove old AT91-specific drivers
  ARM: at91: cleanup initilisation code by removing dead code
  ARM: at91/Kconfig: select board files automatically

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 19:11:03 +01:00
Arnd Bergmann
44229d22b8 First batch of defconfigs for AT91 / 3.19:
- use NEON for all C-A5, neon code handles the !NEON case
 - add new XDMA driver
 - add some useful drivers as we only have a single defconfig for all
   AT91SAM9/RM9200
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Merge tag 'at91-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/defconfig

Pull "First batch of defconfigs for AT91 / 3.19:" from Nicolas Ferre:

- use NEON for all C-A5, neon code handles the !NEON case
- add new XDMA driver
- add some useful drivers as we only have a single defconfig for all
  AT91SAM9/RM9200

* tag 'at91-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91/defconfig: add DM9000 to at91_dt
  ARM: at91/defconfig: add QT1070 to at91_dt
  ARM: at91/defconfig: add TCB PWM driver selection
  ARM: at91/defconfig: add the XDMA driver
  ARM: at91: sama5: update defconfig

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-12-04 19:09:18 +01:00
Lars-Peter Clausen
5f835cef77 Documentation: i2c: Use PM ops instead of legacy suspend/resume
New drivers should use PM ops instead of the legacy suspend/resume
callbacks. Update the I2C device driver guides to reflect this.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-12-04 19:09:03 +01:00
Markus Elfring
71947828ca [media] mn88473: One function call less in mn88473_init() after error
The release_firmware() function was called by the mn88473_init() function even
if a previous function call "request_firmware" failed.
This implementation detail could be improved by the introduction of another
jump label.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 16:00:47 -02:00
Markus Elfring
b59113845f [media] mn88473: Remove uneeded check before release_firmware()
The release_firmware() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-12-04 16:00:17 -02:00
Nicholas Krause
2ba520f0cd libata: Remove FIXME comment in atapi_request_sense()
Remove the FIXME comment in atapi_request_sense() asking whether
memset of sense buffer is necessary.  The buffer may be partially or
fully filled by the device.  We want it to be cleared.

tj: Updated description.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2014-12-04 12:58:50 -05:00