Commit graph

425917 commits

Author SHA1 Message Date
Sachin Kamat
d34d59bda2 drm/exynos: Convert to use the standard hdmi.h header
Remove local definitions and use the ones provided by hdmi.h.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-02-07 10:48:12 +09:00
Sachin Kamat
4fe25b822b drm/exynos: Fix trivial typo
Changed quf -> qbuf.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-02-07 10:43:57 +09:00
Sachin Kamat
5cdbc8d993 drm/exynos: Remove unnecessary semicolon
Semicolon after a switch statement is not needed.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-02-07 10:43:55 +09:00
Tushar Behera
86ac5b84ef drm/exynos: Fix multiplatform breakage for ipp/gsc
There is no need to include "plat/map-base.h" in ipp driver. Remove
this and enable this driver for multi-platform.

However gsc driver is not multiplatform compliant yet, so make the
compilation conditional upon !ARCH_MULTIPLATFORM.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-02-07 10:43:52 +09:00
Sachin Kamat
6ca605f7c7 drm/exynos: Fix freeing issues in exynos_drm_drv.c
Fixes the following errors:
drivers/gpu/drm/exynos/exynos_drm_drv.c:182 exynos_drm_open()
error: double free of 'file_priv'
drivers/gpu/drm/exynos/exynos_drm_drv.c:188 exynos_drm_open()
error: dereferencing freed memory 'file_priv'

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-02-07 10:43:48 +09:00
Dave Airlie
7c4c62a04a drm/radeon: allow geom rings to be setup on r600/r700 (v2)
the evergreen CS parser has allowed this for a while, just port
the code to the r600 one.

This is required before geom shaders can be made work.

v2: agd5f: minor cleanup and add additional 7xx reg.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-02-06 12:13:52 +10:00
Dave Airlie
9ca5d4b4e1 Merge tag 'vmwgfx-fixes-3.14-2014-02-05' of git://people.freedesktop.org/~thomash/linux into drm-next
A couple of vmwgfx fixes together with missing bits of legacy device
emulation to facilitate old user-space drivers on new devices.

The shader emulation bits are a bit large, but since they mostly touch the
new device code, regressions are unlikely. I figure the gain of having
this from the start clearly outweighs the risc of adding these bits at
this point.

Pull request of 2014-02-05

* tag 'vmwgfx-fixes-3.14-2014-02-05' of git://people.freedesktop.org/~thomash/linux:
  vmwgfx: Fix unitialized stack read in vmw_setup_otable_base
  drm/vmwgfx: Reemit context bindings when necessary v2
  drm/vmwgfx: Detect old user-space drivers and set up legacy emulation v2
  drm/vmwgfx: Emulate legacy shaders on guest-backed devices v2
  drm/vmwgfx: Fix legacy surface reference size copyback
  drm/vmwgfx: Fix SET_SHADER_CONST emulation on guest-backed devices
  drm/vmwgfx: Fix regression caused by "drm/ttm: make ttm reservation calls behave like reservation calls"
  drm/vmwgfx: Don't commit staged bindings if execbuf fails
2014-02-06 12:04:31 +10:00
Dave Airlie
9df5a9b02f Merge tag 'ttm-fixes-3.14-2014-02-05' of git://people.freedesktop.org/~thomash/linux into drm-next
Two ttm regression fixes.

Pull request of 2014-02-05

* tag 'ttm-fixes-3.14-2014-02-05' of git://people.freedesktop.org/~thomash/linux:
  drm/ttm: Don't clear page metadata of imported sg pages
  drm/ttm: Fix TTM object open regression
2014-02-06 11:50:48 +10:00
Dave Airlie
8b7ad1bb3d drm/mgag200,ast,cirrus: fix regression with drm_can_sleep conversion
I totally sign inverted my way out of this one.

Cc: stable@vger.kernel.org
Reported-by: "Sabrina Dubroca" <sd@queasysnail.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-02-06 11:39:03 +10:00
Thomas Hellstrom
1b76af5ce8 drm/ttm: Don't clear page metadata of imported sg pages
These page pointers shouldn't be visible to TTM in the first place, but
until we fix that up, don't clear the page metadata because that
will upset the exporter.

Reported-and-tested-by: Cristoph Haag <haagch.christoph@googleemail.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 16:03:29 +01:00
Thomas Hellstrom
c66f854338 drm/ttm: Fix TTM object open regression
Commit drm/ttm: ttm object security fixes for render nodes introduced a
regression where, if a TTM object was opened multiple times from the same
open file, the caller would spin uninterruptibly in the kernel.

Fix this.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 09:29:25 +01:00
Dave Jones
cd9a21a831 vmwgfx: Fix unitialized stack read in vmw_setup_otable_base
One of the error paths in vmw_setup_otable_base causes us to return with
'ret' having never been set to anything causing us to return whatever was
on the stack.

Found with Coverity

Signed-off-by: Dave Jones <davej@fedoraproject.org>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
2014-02-05 08:52:34 +01:00
Thomas Hellstrom
30f82d816d drm/vmwgfx: Reemit context bindings when necessary v2
When a context is first referenced in the command stream, make sure that all
scrubbed (as a result of eviction) bindings are re-emitted. Also make sure that
all bound resources are put on the resource validate list.

This is needed for legacy emulation, since legacy user-space drivers will
typically not re-emit shader bindings. It also removes the requirement for
user-space drivers to re-emit render-target- and texture bindings.

Makes suspend and hibernate now also work with legacy user-space drivers on
guest-backed devices.

v2: Don't rebind on legacy devices.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 08:41:58 +01:00
Thomas Hellstrom
a6fc955ff9 drm/vmwgfx: Detect old user-space drivers and set up legacy emulation v2
GB aware mesa userspace drivers are detected by the fact that they are
calling the vmw getparam ioctl querying DRM_VMW_PARAM_HW_CAPS to detect
whether the device is Guest-backed object capable. For other drivers,
lie about hardware version and send the 3D capabilities in a format they
expect.

v2:
Use DRM_VMW_PARAM_MAX_MOB_MEMORY to detect gb awareness,
Make sure we don't ovwerwrite bounce buffer or write past user-space buffer
indicated size.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 08:41:44 +01:00
Thomas Hellstrom
d5bde95663 drm/vmwgfx: Emulate legacy shaders on guest-backed devices v2
Command stream legacy shader creation and destruction is replaced by
NOPs in the command stream, and instead guest-backed shaders are created
and destroyed as part of the command validation process.

v2: Removed some stray debug messages.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 08:39:19 +01:00
Thomas Hellstrom
c1a21373d2 drm/vmwgfx: Fix legacy surface reference size copyback
Surfaces created using the guest-backed surface interface only keeps the
base mip size, so only copy that if the legacy surface reference
ioctl requests the size information.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 08:38:03 +01:00
Thomas Hellstrom
0ccbbae43c drm/vmwgfx: Fix SET_SHADER_CONST emulation on guest-backed devices
Emulate the SET_SHADER_CONST legacy command on guest-backed devices by
issuing a SET_GB_SHADERCONSTS_INLINE command.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 08:37:05 +01:00
Thomas Hellstrom
cf5e341333 drm/vmwgfx: Fix regression caused by "drm/ttm: make ttm reservation calls behave like reservation calls"
The call to ttm_eu_backoff_reservation() as part of an error path would cause
a lock imbalance if the reservation ticket was not initialized. This error is
easily triggered from user-space by submitting a bogus command stream.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Cc: stable@vger.kernel.org
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
2014-02-05 08:36:11 +01:00
Thomas Hellstrom
76c7d18bcd drm/vmwgfx: Don't commit staged bindings if execbuf fails
If execbuf fails and binding commands are never sent to the device,
don't commit the staged context bindings to the tracker.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05 08:35:09 +01:00
Dave Airlie
ec22b4aa99 drm/mgag200: fix typo causing bw limits to be ignored on some chips
mode->mdev otherwise the bw limits never kick in.

Reported in RHEL testing.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-02-05 14:31:32 +10:00
Linus Torvalds
38dbfb59d1 Linus 3.14-rc1 2014-02-02 16:42:13 -08:00
Linus Torvalds
69048e0188 Merge branch 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
 "The three major changes in this patchset is a implementation for
  flexible userspace memory maps, cache-flushing fixes (again), and a
  long-discussed ABI change to make EWOULDBLOCK the same value as
  EAGAIN.

  parisc has been the only platform where we had EWOULDBLOCK != EAGAIN
  to keep HP-UX compatibility.  Since we will probably never implement
  full HP-UX support, we prefer to drop this compatibility to make it
  easier for us with Linux userspace programs which mostly never checked
  for both values.  We don't expect major fall-outs because of this
  change, and if we face some, we will simply rebuild the necessary
  applications in the debian archives"

* 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: add flexible mmap memory layout support
  parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc
  parisc: convert uapi/asm/stat.h to use native types only
  parisc: wire up sched_setattr and sched_getattr
  parisc: fix cache-flushing
  parisc/sti_console: prefer Linux fonts over built-in ROM fonts
2014-02-02 16:32:53 -08:00
Mikulas Patocka
1c0b8a7a62 hpfs: optimize quad buffer loading
HPFS needs to load 4 consecutive 512-byte sectors when accessing the
directory nodes or bitmaps.  We can't switch to 2048-byte block size
because files are allocated in the units of 512-byte sectors.

Previously, the driver would allocate a 2048-byte area using kmalloc,
copy the data from four buffers to this area and eventually copy them
back if they were modified.

In the current implementation of the buffer cache, buffers are allocated
in the pagecache.  That means that 4 consecutive 512-byte buffers are
stored in consecutive areas in the kernel address space.  So, we don't
need to allocate extra memory and copy the content of the buffers there.

This patch optimizes the code to avoid copying the buffers.  It checks
if the four buffers are stored in contiguous memory - if they are not,
it falls back to allocating a 2048-byte area and copying data there.

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-02 16:24:07 -08:00
Mikulas Patocka
2cbe5c76fc hpfs: remember free space
Previously, hpfs scanned all bitmaps each time the user asked for free
space using statfs.  This patch changes it so that hpfs scans the
bitmaps only once, remembes the free space and on next invocation of
statfs it returns the value instantly.

New versions of wine are hammering on the statfs syscall very heavily,
making some games unplayable when they're stored on hpfs, with load
times in minutes.

This should be backported to the stable kernels because it fixes
user-visible problem (excessive level load times in wine).

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-02 16:24:07 -08:00
Helge Deller
9dabf60dc4 parisc: add flexible mmap memory layout support
Add support for the flexible mmap memory layout (as described in
http://lwn.net/Articles/91829). This is especially very interesting on
parisc since we currently only support 32bit userspace (even with a
64bit Linux kernel).

Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 21:00:13 +01:00
Guy Martin
f5a408d53e parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc
On Linux, only parisc uses a different value for EWOULDBLOCK which
causes a lot of troubles for applications not checking for both values.
Since the hpux compat is long dead, make EWOULDBLOCK behave the same as
all other architectures.

Signed-off-by: Guy Martin <gmsoft@tuxicoman.be>
Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:42 +01:00
Helge Deller
9391bc777b parisc: convert uapi/asm/stat.h to use native types only
The stat.h header file is exported to userspace. Some userspace
applications failed to compile due to missing/unknown types, so we
better convert it to use native types only (like it's done on other
architectures too).

Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:33 +01:00
Helge Deller
998bbb2fc0 parisc: wire up sched_setattr and sched_getattr
Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:25 +01:00
Helge Deller
57737c49dd parisc: fix cache-flushing
This commit:
f8dae00684: parisc: Ensure full cache coherency for kmap/kunmap
caused negative caching side-effects, e.g. hanging processes with expect and
too many inequivalent alias messages from flush_dcache_page() on Debian 5 systems.

This patch now partly reverts it and has been in production use on our debian buildd
makeservers since a week without any major problems.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # v3.9+
Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:16 +01:00
Helge Deller
8a10bc9d27 parisc/sti_console: prefer Linux fonts over built-in ROM fonts
The built-in ROM fonts lack many necessary ASCII characters, which is
why it makes sens to prefer the Linux fonts instead if they are
available.  This makes consoles on STI graphics cards which are not
supported by the stifb driver (e.g. Visualize FXe) looks much nicer.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v3.13
2014-02-02 20:56:47 +01:00
Linus Torvalds
602456bf16 Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon kconfig fixes from Jean Delvare.

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors
  hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors
2014-02-02 11:30:57 -08:00
Linus Torvalds
7b383bef25 Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull SLAB changes from Pekka Enberg:
 "Random bug fixes that have accumulated in my inbox over the past few
  months"

* 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
  mm: Fix warning on make htmldocs caused by slab.c
  mm: slub: work around unneeded lockdep warning
  mm: sl[uo]b: fix misleading comments
  slub: Fix possible format string bug.
  slub: use lockdep_assert_held
  slub: Fix calculation of cpu slabs
  slab.h: remove duplicate kmalloc declaration and fix kernel-doc warnings
2014-02-02 11:30:08 -08:00
Linus Torvalds
87af5e5c22 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown.

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: introduce -s to dump counters
  tools/power turbostat: remove unused command line option
  turbostat: Add option to report joules consumed per sample
  turbostat: run on HSX
  turbostat: Add a .gitignore to ignore the compiled turbostat binary
  turbostat: Clean up error handling; disambiguate error messages; use err and errx
  turbostat: Factor out common function to open file and exit on failure
  turbostat: Add a helper to parse a single int out of a file
  turbostat: Check return value of fscanf
  turbostat: Use GCC's CPUID functions to support PIC
  turbostat: Don't attempt to printf an off_t with %zx
  turbostat: Don't put unprocessed uapi headers in the include path
2014-02-02 11:28:48 -08:00
Linus Torvalds
e4c0da2165 ARM: SoC fixes for 3.14-rc1
Here's a set of patches for (hopefully) -rc1. Some of them are fixes,
 but a good number of them also do things such as enable new drivers in
 the defconfigs for platforms that have such devices, increases coverage
 of the multiplatform defconfig and some DTS changes that plumbs up some
 of the devices that now have bindings and driver support.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Here's a set of patches for (hopefully) -rc1.  Some of them are fixes,
  but a good number of them also do things such as enable new drivers in
  the defconfigs for platforms that have such devices, increases
  coverage of the multiplatform defconfig and some DTS changes that
  plumbs up some of the devices that now have bindings and driver
  support.

  The commit dates are recent; we've mostly collected these fixes in the
  last few days but I also had to rebuild the branch yesterday to sort
  out some internal conflicts which reset the timestamps.  The changes
  should have been tested by each platform maintainer already (and few
  of them have cross-platform impact) so I'm personally not too
  concerned by it at this time"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA
  ARM: multi_v7_defconfig: add mvebu drivers
  clocksource: kona: Add basic use of external clock
  drivers: bus: fix CCI driver kcalloc call parameters swap
  ARM: dts: bcm28155-ap: Fix Card Detection GPIO
  ARM: multi_v7_defconfig: Select CONFIG_AT803X_PHY
  ARM: keystone: config: fix build warning when CONFIG_DMADEVICES is not set
  MAINTAINERS: ARM: SiRF: use regex patterns to involve all SiRF drivers
  ARM: dts: zynq: Add SDHCI nodes
  ARM: hisi: don't select SMP
  ARM: tegra: rebuild tegra_defconfig to add DEBUG_FS
  ARM: multi_v7: copy most options from tegra_defconfig
  ARM: iop32x: fix power off handling for the EM7210 board
  ARM: integrator: restore static map on the CP
  ARM: msm_defconfig: Enable MSM clock drivers
  ARM: dts: msm: Add clock controller nodes and hook into uart
  ARM: OMAP4+: move errata initialization to omap4_pm_init_early
  ARM: OMAP4460: cpuidle: Extend PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD on cpuidle
  ARM: mvebu: fix compilation warning on Armada 370 (i.e. non-SMP)
  ARM: shmobile: r8a7790.dtsi: ficx i2c[0-3] clock reference
  ...
2014-02-02 11:11:06 -08:00
Jean Delvare
632007e201 hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors
Similar to what was done for the lm75 driver.

Add depends on THERMAL since that is what provides the
register/unregister functions above, but only if THERMAL_OF was
selected as this is an optional feature of the driver.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
2014-02-02 17:59:07 +01:00
Jean Delvare
920130a9de hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors
Based on an earlier attempt by Randy Dunlap.

Fix SENSORS_LM75 dependencies to eliminate build errors:

drivers/built-in.o: In function `lm75_remove':
lm75.c:(.text+0x12bd8c): undefined reference to `thermal_zone_of_sensor_unregister'
drivers/built-in.o: In function `lm75_probe':
lm75.c:(.text+0x12c123): undefined reference to `thermal_zone_of_sensor_register'

Add depends on THERMAL since that is what provides the
register/unregister functions above, but only if THERMAL_OF was
selected as this is an optional feature of the driver.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
2014-02-02 17:59:07 +01:00
Andy Shevchenko
3b4d5c7fec tools/power turbostat: introduce -s to dump counters
The new option allows just run turbostat and get dump of counter values. It's
useful when we have something more than one program to test.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2014-02-01 15:24:28 -05:00
Andy Shevchenko
f591c38b91 tools/power turbostat: remove unused command line option
The -s is not used, let's remove it, and update quick help accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2014-02-01 15:22:31 -05:00
Linus Torvalds
5cb480f6b4 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild changes from Michal Marek:
 "The non-critical part of kbuild is small this time:
   - Three fixes for make deb-pkg
   - A new coccinelle check

  One of the deb-pkg fixes is a leftover from the last merge window,
  hence the merge commit"

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  deb-pkg: Fix building for MIPS big-endian or ARM OABI
  deb-pkg: Fix cross-building linux-headers package
  scripts: Coccinelle script for pm_runtime_* return checks with IS_ERR_VALUE
  deb-pkg: Inhibit initramfs builders if CONFIG_BLK_DEV_INITRD is not set
2014-02-01 11:03:16 -08:00
Pali Rohár
1bda2ac071 afs: proc cells and rootcell are writeable
Both proc files are writeable and used for configuring cells. But
there is missing correct mode flag for writeable files. Without
this patch both proc files are read only.

[ It turns out they aren't really read-only, since root can write to
  them even if the write bit isn't set due to CAP_DAC_OVERRIDE ]

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-01 10:59:39 -08:00
Heiko Carstens
5a5e75f471 tile: remove compat_sys_lookup_dcookie declaration to fix compile error
With commit d8d14bd09c ("fs/compat: fix lookup_dcookie() parameter
handling") I changed the type of the len parameter of the
lookup_dcookie() syscall.

However I missed that there was still a stale declaration in
arch/tile/..  which now causes a compile error on tile:

  In file included from fs/dcookies.c:28:0:
  include/linux/compat.h:425:17: error: conflicting types for 'compat_sys_lookup_dcookie'
  fs/dcookies.c:207:1: error: conflicting types for 'compat_sys_lookup_dcookie'

Simply remove the declaration in the tile architecture, which is only a
leftover from before the different compat lookup_dcookie() versions have
been merged.  The correct declaration is now in include/linux/compat.h

The build error was reported by Fenguang's build bot.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-01 10:55:15 -08:00
Linus Torvalds
0f44bc36ba Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
 "A set of cifs fixes (mostly for symlinks, and SMB2 xattrs) and
  cleanups"

* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Fix check for regular file in couldbe_mf_symlink()
  [CIFS] Fix SMB2 mounts so they don't try to set or get xattrs via cifs
  CIFS: Cleanup cifs open codepath
  CIFS: Remove extra indentation in cifs_sfu_type
  CIFS: Cleanup cifs_mknod
  CIFS: Cleanup CIFSSMBOpen
  cifs: Add support for follow_link on dfs shares under posix extensions
  cifs: move unix extension call to cifs_query_symlink()
  cifs: Re-order M-F Symlink code
  cifs: Add create MFSymlinks to protocol ops struct
  cifs: use protocol specific call for query_mf_symlink()
  cifs: Rename MF symlink function names
  cifs: Rename and cleanup open_query_close_cifs_symlink()
  cifs: Fix memory leak in cifs_hardlink()
2014-02-01 10:52:45 -08:00
Linus Torvalds
efc518eb31 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
 "Several obvious fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  Fix mountpoint reference leakage in linkat
  hfsplus: use xattr handlers for removexattr
  Typo in compat_sys_lseek() declaration
  fs/super.c: sync ro remount after blocking writers
  vfs: unexport the getname() symbol
2014-02-01 10:43:45 -08:00
Linus Torvalds
fea8893da7 Staging wireless driver for 3.14-rc1
Here's a single staging driver for a wireless chipset that has shown up
 in the SteamBox hardware.  It is merged separately from the "main"
 staging pull request to sync up with the wireless api changes that came
 in from the networking tree.
 
 It's self-contained and works for me and others.  Larry will be
 replacing it with a "real" driver for 3.15, but for now this one is
 needed.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull rtl8812ae staging wireless driver from Greg KH:
 "Here's a single staging driver for a wireless chipset that has shown
  up in the SteamBox hardware.  It is merged separately from the "main"
  staging pull request to sync up with the wireless api changes that
  came in from the networking tree.

  It's self-contained and works for me and others.  Larry will be
  replacing it with a "real" driver for 3.15, but for now this one is
  needed"

* tag 'staging-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: r8821ae: Enable build by reverting BROKEN marking
  staging: r8821ae: Fix build problems
  Staging: rtl8812ae: disable due to build errors
  Staging: rtl8821ae: add TODO file
  Staging: rtl8821ae: removed unused functions and variables
  Staging: rtl8821ae: rc.c: fix up function prototypes
  Staging: rtl8812ae: Add Realtek 8821 PCI WIFI driver
2014-02-01 10:29:59 -08:00
Rafael J. Wysocki
04480094de Revert "PCI: Remove from bus_list and release resources in pci_release_dev()"
Revert commit ef83b0781a "PCI: Remove from bus_list and release
resources in pci_release_dev()" that made some nasty race conditions
become possible.  For example, if a Thunderbolt link is unplugged
and then replugged immediately, the pci_release_dev() resulting from
the hot-remove code path may be racing with the hot-add code path
which after that commit causes various kinds of breakage to happen
(up to and including a hard crash of the whole system).

Moreover, the problem that commit ef83b0781a attempted to address
cannot happen any more after commit 8a4c5c329d "PCI: Check parent
kobject in pci_destroy_dev()", because pci_destroy_dev() will now
return immediately if it has already been executed for the given
device.

Note, however, that the invocation of msi_remove_pci_irq_vectors()
removed by commit ef83b0781a from pci_free_resources() along with
the other changes made by it is not added back because of subsequent
code changes depending on that modification.

Fixes: ef83b0781a (PCI: Remove from bus_list and release resources in pci_release_dev())
Reported-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-01 10:24:31 -08:00
Olof Johansson
f39aa27537 ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA
TI_EDMA fell out of automatically selected options in the multi_v7
defconfig due to a select being removed from the davinci Kconfig entry. So
we need to re-enable explicitly to not regress some platforms.

The rest is just the result of running 'make multi_v7_defconfig + make
savedefconfig' to remove entries that are no longer needed due to changed
dependencies/selects or defaults.

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-01-31 21:04:33 -08:00
Olof Johansson
ad0c07f37b ARM: multi_v7_defconfig: add mvebu drivers
Recent boot farm testing has highlighted some issues with mvebu and
multiplatform kernels.  Increase the test coverage so we can discover
these issues earlier.

Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-01-31 21:04:02 -08:00
Tim Kryger
50ac206102 clocksource: kona: Add basic use of external clock
When an clock is specified in the device tree, enable it and use it to
determine the external clock frequency.

Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Reviewed-by: Christian Daudt <bcm@fixthebug.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-01-31 21:04:01 -08:00
Linus Torvalds
8a1f006ad3 NFS client bugfixes for Linux 3.14
Highlights:
 
 - Fix several races in nfs_revalidate_mapping
 - NFSv4.1 slot leakage in the pNFS files driver
 - Stable fix for a slot leak in nfs40_sequence_done
 - Don't reject NFSv4 servers that support ACLs with only ALLOW aces
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Merge tag 'nfs-for-3.14-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:
 "Highlights:

   - Fix several races in nfs_revalidate_mapping
   - NFSv4.1 slot leakage in the pNFS files driver
   - Stable fix for a slot leak in nfs40_sequence_done
   - Don't reject NFSv4 servers that support ACLs with only ALLOW aces"

* tag 'nfs-for-3.14-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  nfs: initialize the ACL support bits to zero.
  NFSv4.1: Cleanup
  NFSv4.1: Clean up nfs41_sequence_done
  NFSv4: Fix a slot leak in nfs40_sequence_done
  NFSv4.1 free slot before resending I/O to MDS
  nfs: add memory barriers around NFS_INO_INVALID_DATA and NFS_INO_INVALIDATING
  NFS: Fix races in nfs_revalidate_mapping
  sunrpc: turn warn_gssd() log message into a dprintk()
  NFS: fix the handling of NFS_INO_INVALID_DATA flag in nfs_revalidate_mapping
  nfs: handle servers that support only ALLOW ACE type.
2014-01-31 15:39:07 -08:00
Linus Torvalds
14864a52cd sound fixes for 3.14-rc1
The big chunks here are the updates for oxygen driver for Xonar DG
 devices, which were slipped from the previous pull request.  They are
 device-specific and thus not too dangerous.
 
 Other than that, all patches are small bug fixes, mainly for Samsung
 build fixes, a few HD-audio enhancements, and other misc ASoC fixes.
 (And this time ASoC merge is less than Octopus, lucky seven :)
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Merge tag 'sound-fix-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "The big chunks here are the updates for oxygen driver for Xonar DG
  devices, which were slipped from the previous pull request.  They are
  device-specific and thus not too dangerous.

  Other than that, all patches are small bug fixes, mainly for Samsung
  build fixes, a few HD-audio enhancements, and other misc ASoC fixes.
  (And this time ASoC merge is less than Octopus, lucky seven :)"

* tag 'sound-fix-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (42 commits)
  ALSA: hda/hdmi - allow PIN_OUT to be dynamically enabled
  ALSA: hda - add headset mic detect quirks for another Dell laptop
  ALSA: oxygen: Xonar DG(X): cleanup and minor changes
  ALSA: oxygen: Xonar DG(X): modify high-pass filter control
  ALSA: oxygen: Xonar DG(X): modify input select functions
  ALSA: oxygen: Xonar DG(X): modify capture volume functions
  ALSA: oxygen: Xonar DG(X): use headphone volume control
  ALSA: oxygen: Xonar DG(X): modify playback output select
  ALSA: oxygen: Xonar DG(X): capture from I2S channel 1, not 2
  ALSA: oxygen: Xonar DG(X): move the mixer code into another file
  ALSA: oxygen: modify CS4245 register dumping function
  ALSA: oxygen: modify adjust_dg_dac_routing function
  ALSA: oxygen: Xonar DG(X): modify DAC/ADC parameters function
  ALSA: oxygen: Xonar DG(X): modify initialization functions
  ALSA: oxygen: Xonar DG(X): add new CS4245 SPI functions
  ALSA: oxygen: additional definitions for the Xonar DG/DGX card
  ALSA: oxygen: change description of the xonar_dg.c file
  ALSA: oxygen: export oxygen_update_dac_routing symbol
  ALSA: oxygen: add mute mask for the OXYGEN_PLAY_ROUTING register
  ALSA: oxygen: modify the SPI writing function
  ...
2014-01-31 15:38:09 -08:00