Commit Graph

160328 Commits

Author SHA1 Message Date
Jason Gerecke
b1e4279e4e Input: wacom - add touch sensor support for Cintiq 24HD touch
Decode multitouch reports from the touch sensor of the Cintiq 24HD
touch.

Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-25 16:02:36 -07:00
Jason Gerecke
aea2bf6a57 Input: wacom - handle split-sensor devices with internal hubs
Like our other pen-and-touch products, the Cintiq 24HD touch needs data
to be shared between its two sensors to facilitate proximity-based palm
rejection.

Unlike other tablets that report sensor data through separate interfaces
of the same USB device, the Cintiq 24HD touch has separate USB devices
that are connected to an internal USB hub.

This patch makes it possible to designate the USB VID/PID of the other
device so that the two may share data.  To ensure we don't accidentally
link to a sensor from a physically separate device (if several have been
plugged in), we limit the search to siblings (i.e., devices directly
connected to the same hub).

Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-25 16:02:36 -07:00
Linus Torvalds
6bb1e3819c Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "A random collection of various fixes, mainly from Arnd and a few other
  people.  Not thing really stands out here."

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: drop experimental status for hotplug and Thumb2
  ARM: 7560/1: SMP_TWD: use DIV_ROUND_CLOSEST() for periodic mode
  ARM: 7559/1: smp: switch away from the idmap before updating init_mm.mm_count
  ARM: 7556/1: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
  ARM: 7555/1: kexec: fix segment memory addresses check
  ARM: warnings in arch/arm/include/asm/uaccess.h
  ARM: binfmt_flat: unused variable 'persistent'
  ARM: be really quiet when building with 'make -s'
  ARM: pass -marm to gcc by default for both C and assembler
  ARM: Xen: fix initial build problems
  ARM: export default read_current_timer
  ARM: Fix another build warning in arch/arm/mm/alignment.c
  ARM: export set_irq_flags
  ARM: kprobes: make more tests conditional
2012-10-25 15:59:34 -07:00
Linus Torvalds
cff7b8ba60 Merge branch 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull CMA and DMA-mapping fixes from Marek Szyprowski:
 "This consists mainly of a set of one-liner fixes and cleanups for a
  few minor issues identified in both Contiguous Memory Allocator code
  and ARM DMA-mapping subsystem."

* 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
  ARM: mm: Remove unused arm_vmregion priv field
  ARM: dma-mapping: fix build warning in __dma_alloc()
  ARM: dma-mapping: support debug_dma_mapping_error
  mm: cma: alloc_contig_range: return early for err path
  drivers: cma: Fix wrong CMA selected region size default value
  drivers: dma-coherent: Fix typo in dma_mmap_from_coherent documentation
  drivers: dma-contiguous: Don't redefine SZ_1M
2012-10-25 15:57:48 -07:00
Linus Torvalds
4864ccbb5a spi: Fixes for v3.7
A bunch of fixes here, mostly minor except for the pl022 which has just
 been a bit of a shambles all round, the recent runtime PM changes have
 as far as I can tell never worked so they're just getting thrown out.
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Merge tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc

Pull spi fixes from Mark Brown:
 "A bunch of fixes here, mostly minor except for the pl022 which has
  just been a bit of a shambles all round, the recent runtime PM changes
  have as far as I can tell never worked so they're just getting thrown
  out."

* tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
  spi/pl022: Revert recent runtime PM changes
  spi: tsc2005: delete soon-obsolete e-mail address
  spi: spi-rspi: fix build error for the latest shdma driver
2012-10-24 18:00:17 -07:00
Linus Torvalds
735f0a985a IOMMU Fixes for Linux 3.7-rc2
Two fixes this time:
 
 	1. Another fix for a broken BIOS to detect when AMD IOMMU
 	   interrupt remapping can not work reliably
 	2. Typo fix for NVidia IOMMU driver
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Merge tag 'iommu-fixes-v3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Two fixes this time:

   1. Another fix for a broken BIOS to detect when AMD IOMMU interrupt
      remapping can not work reliably
   2. Typo fix for NVidia IOMMU driver"

* tag 'iommu-fixes-v3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/tegra: smmu: Fix deadly typo
  iommu/amd: Work around wrong IOAPIC device-id in IVRS table
2012-10-24 17:05:21 -07:00
Linus Torvalds
99103f7748 This fixes a few pinctrl problems seen since v3.7-rc1:
- Section tagging for init code
 - Use proper pointers to lookup struct device * in the
   bcm2835 (a.k.a. Raspberry Pi)
 - Remove duplicate #includes
 - Fix bad return values in errorpath
 - Remove extraneous pull function from the sirf driver
   causing build errors
 - Provide compilation stubs for the Nomadik pinctrl driver
   when used with legacy systems without PRCMU units
 - Various irqdomain fixes in the Nomadik driver as predicted
 - Various smallish bugs in the Tegra driver, most also
   targeted for stable
 - Removed a deadlocking mutex in the groups debugfs show
   function
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Merge tag 'pinctrl-v3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fixes from Linus Walleij:
 "This fixes a few pinctrl problems seen since v3.7-rc1:
   - Section tagging for init code
   - Use proper pointers to lookup struct device * in the bcm2835
     (a.k.a.  Raspberry Pi)
   - Remove duplicate #includes
   - Fix bad return values in errorpath
   - Remove extraneous pull function from the sirf driver causing build
     errors
   - Provide compilation stubs for the Nomadik pinctrl driver when used
     with legacy systems without PRCMU units
   - Various irqdomain fixes in the Nomadik driver as predicted
   - Various smallish bugs in the Tegra driver, most also targeted for
     stable
   - Removed a deadlocking mutex in the groups debugfs show function"

* tag 'pinctrl-v3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl/nomadik: pass DT node to the irqdomain
  pinctrl/nomadik: use zero as default irq_start
  pinctrl: fix missing unlock on error in pinctrl_groups_show()
  pinctrl/nomadik: use irq_create_mapping()
  pinctrl: remove mutex lock in groups show
  pinctrl: tegra: correct bank for pingroup and drv pingroup
  pinctrl: tegra: set low power mode bank width to 2
  dt: Document: correct tegra20/30 pinctrl slew-rate name
2012-10-24 17:01:16 -07:00
Linus Torvalds
144d80bed9 An array out-of-bounds fix from Andrew when setting the scrub rate of
the memory controller.
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Merge tag 'edac_scrubrates_fix' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull amd64_edac fix from Borislav Petkov:
 "An array out-of-bounds fix from Andrew when setting the scrub rate of
  the memory controller."

* tag 'edac_scrubrates_fix' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  amd64_edac:__amd64_set_scrub_rate(): avoid overindexing scrubrates[]
2012-10-24 16:36:36 -07:00
Hiro Sugawara
d0078e7231 iommu/tegra: smmu: Fix deadly typo
Fix a deadly typo in macro definition.

Cc: stable@vger.kernel.org
Signed-off-by: Hiro Sugawara <hsugawara@nvidia.com>
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-10-24 16:58:53 +02:00
Andrew Morton
168bfeef7b amd64_edac:__amd64_set_scrub_rate(): avoid overindexing scrubrates[]
If none of the elements in scrubrates[] matches, this loop will cause
__amd64_set_scrub_rate() to incorrectly use the n+1th element.

As the function is designed to use the final scrubrates[] element in the
case of no match, we can fix this bug by simply terminating the array
search at the n-1th element.

Boris: this code is fragile anyway, see here why:
http://marc.info/?l=linux-kernel&m=135102834131236&w=2

It will be rewritten more robustly soonish.

Reported-by: Denis Kirjanov <kirjanov@gmail.com>
Cc: stable@vger.kernel.org
Cc: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2012-10-24 16:13:27 +02:00
Linus Torvalds
0e9e3e306c Bug-fixes:
* Fix mysterious SIGSEGV or SIGKILL in applications due to corrupting
    of the %eip when returning from a signal handler.
  * Fix various ARM compile issues after the merge fallout.
  * Continue on making more of the Xen generic code usable by ARM platform.
  * Fix SR-IOV passthrough to mirror multifunction PCI devices.
  * Fix various compile warnings.
  * Remove hypercalls that don't exist anymore.
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Merge tag 'stable/for-linus-3.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull xen bug-fixes from Konrad Rzeszutek Wilk:
 - Fix mysterious SIGSEGV or SIGKILL in applications due to corrupting
   of the %eip when returning from a signal handler.
 - Fix various ARM compile issues after the merge fallout.
 - Continue on making more of the Xen generic code usable by ARM
   platform.
 - Fix SR-IOV passthrough to mirror multifunction PCI devices.
 - Fix various compile warnings.
 - Remove hypercalls that don't exist anymore.

* tag 'stable/for-linus-3.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: dbgp: Fix warning when CONFIG_PCI is not enabled.
  xen: arm: comment on why 64-bit xen_pfn_t is safe even on 32 bit
  xen: balloon: use correct type for frame_list
  xen/x86: don't corrupt %eip when returning from a signal handler
  xen: arm: make p2m operations NOPs
  xen: balloon: don't include e820.h
  xen: grant: use xen_pfn_t type for frame_list.
  xen: events: pirq_check_eoi_map is X86 specific
  xen: XENMEM_translate_gpfn_list was remove ages ago and is unused.
  xen: sysfs: fix build warning.
  xen: sysfs: include err.h for PTR_ERR etc
  xen: xenbus: quirk uses x86 specific cpuid
  xen PV passthru: assign SR-IOV virtual functions to separate virtual slots
  xen/xenbus: Fix compile warning.
  xen/x86: remove duplicated include from enlighten.c
2012-10-24 05:17:27 +03:00
Linus Torvalds
4e3ab74c22 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
 "Among the usual minor bug fixes the more interesting patches are the
  perf counters for the latest machine, the missing select to enable
  transparent huge pages and a build fix for the UAPI rework."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390,uapi: do not use uapi/asm-generic/kvm_para.h
  s390/cache: fix data/instruction cache output
  s390: fix linker script for 31 bit builds
  s390/thp: select HAVE_ARCH_TRANSPARENT_HUGEPAGE
  s390/kdump: Use 64 bit mode for 0x10000 entry point
  perf_cpum_cf: Add support for counters available with IBM zEC12
  s390/css: stop stsch loop after cc 3
  s390/cio: use generic bitmap functions
  s390/chpid: make headers usable (again)
2012-10-24 04:05:56 +03:00
Ulf Hansson
213d27a42c spi/pl022: Revert recent runtime PM changes
[Originally sent by Ulf as two changes, squashed down into one with a
redone changelog, thanks to Russell King for analysis. -- broonie]

This reverts commit 688723 (spi/pl022: enable runtime PM) and commit
2fb30d (spi/pl022: fix spi-pl022 pm enable at probe).

Commit "spi/pl022: enable runtime PM" introduced runtime PM issues as it
interacted badly with the work Russell King had done to move core
runtime PM handling into the bus.  Due to that commit, "spi/pl022: fix
spi-pl022 pm enable at probe" was merged to fix part of those issues.

Instead of adding another fix, let's clean up and revert everything
back to when it was already fine.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

Revert "spi/pl022: enable runtime PM"

Conflicts:
	drivers/spi/spi-pl022.c
2012-10-23 13:27:30 +01:00
Laurent Pinchart
5e97f3f918 drivers: cma: Fix wrong CMA selected region size default value
Kconfig lists CMA_SIZE_SEL_ABSOLUTE as the default value fo the CMA
selected region size, but that option isn't available in the defined
choices. Set the default to CMA_SIZE_SEL_MBYTES instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-10-23 14:05:33 +02:00
Laurent Pinchart
ba4d93bc9e drivers: dma-coherent: Fix typo in dma_mmap_from_coherent documentation
The function documentation incorrectly references dma_release_coherent.
Fix it. Don't mention a specific function name as dma_mmap_from_coherent
as multiple callers.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-10-23 14:05:32 +02:00
Laurent Pinchart
446c82fc44 drivers: dma-contiguous: Don't redefine SZ_1M
Use the definition from linux/sizes.h instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-10-23 14:05:32 +02:00
Linus Walleij
38843e2921 pinctrl/nomadik: pass DT node to the irqdomain
When creating the simple irqdomain, pass the DT node pointer along,
as is apropriate.

Acked-by: Lee Jones <lee.jones@linaro.org>
Reported-by: Gabriel Fernandez <gabriel.fernandez@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-23 11:52:25 +02:00
Linus Walleij
832b6cdf72 pinctrl/nomadik: use zero as default irq_start
The irqdomain semantics were supposed to be such that a linear
domain would be used if the passed first_irq was zero or
negative, but I got it wrong so only passing zero as first_irq
will work properly. Well, zero is NO_IRQ these days so let's
pass zero. The semantics of irqdomain_add_simple() will be
fixed in a separate patch.

Acked-by: Lee Jones <lee.jones@linaro.org>
Reported-by: Rikard Olsson <rikard.p.olsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-23 11:52:19 +02:00
Wei Yongjun
b4dd784ba8 pinctrl: fix missing unlock on error in pinctrl_groups_show()
Add the missing unlock on the error handle path in function
pinctrl_groups_show().

Cc: stable@kernel.org
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-23 10:35:10 +02:00
Linus Walleij
268300be0e pinctrl/nomadik: use irq_create_mapping()
Since in the DT case, the linear domain path will not allocate
descriptors for the IRQs, we need to use irq_create_mapping()
for mapping hwirqs to Linux IRQs, so these descriptors get
created on-the-fly in this case.

ChangeLog v1->v2:

- Just use irq_create_mapping() in the .to_irq function since
  this is called before unmasking or enabling any interrupt
  lines, so irq_find_mapping() should be sufficient for the
  IRQ handler function.

Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-23 10:33:39 +02:00
Linus Torvalds
2d1f4c8e09 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Fixes for intel and nouveau mainly.

   - intel: disable HSW by default, sdvo fixes, link train regression
     fix
   - nouveau: acpi rom loading regression fix, with a few other fixes
     from the rework
   -core: just other minor fixes and race fixes for ttm."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (24 commits)
  drm/ttm: Fix a theoretical race in ttm_bo_cleanup_refs()
  drm/ttm: Fix a theoretical race
  drm: platform: Don't initialize driver-private data
  drm/debugfs: remove redundant info from gem_names
  drm: fb: cma: Fail gracefully on allocation failure
  drm: fb: cma: Fix typo in debug message
  drm/nouveau/clock: fix missing pll type/addr when matching default entry
  drm/nouveau/fb: fix reporting of memory type on GF8+ IGPs
  drm/nv41/vm: don't init hw pciegart on boards with agp bridge
  drm/nouveau/bios: fetch full 4KiB block to determine ACPI ROM image size
  drm/nouveau: validate vbios size
  drm/nouveau: warn when trying to free mm which is still in use
  drm/nouveau: fix nouveau_mm/nouveau_mm_node leak
  drm/nouveau/bios: improve error handling when reading the vbios from ACPI
  drm/nouveau: handle same-fb page flips
  drm/i915: Initialize obj->pages before use by i915_gem_object_do_bit17_swizzle()
  drm/i915: Add no-lvds quirk for Supermicro X7SPA-H
  drm/i915: Insert i915_preliminary_hw_support variable.
  drm/i915: shut up spurious WARN in the gtt fault handler
  Revert "drm/i915: Try harder to complete DP training pattern 1"
  ...
2012-10-23 08:51:07 +03:00
Linus Torvalds
c52f1dd529 regmap: Fix for dependencies for MMIO
Trivial dependency issue, not noticed before as the only user of MMIO
 also needs I2C.
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Merge tag 'regmap-fix-mmio' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fix from Mark Brown:
 "regmap: Fix for dependencies for MMIO

  Trivial dependency issue, not noticed before as the only user of MMIO
  also needs I2C."

* tag 'regmap-fix-mmio' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: select REGMAP if REGMAP_MMIO and REGMAP_IRQ enabled
2012-10-23 08:39:38 +03:00
Thomas Hellstrom
b8e902f24f drm/ttm: Fix a theoretical race in ttm_bo_cleanup_refs()
In theory, that function could release the lru lock between
checking for bo on ddestroy list and a successful reserve if the bo
was already reserved, and the function was called with waiting reserves
allowed.
However, all current reservers of a bo on the ddestroy list would
atomically take the bo off the list after a successful reserve so this
race should not have been hit, so no need to backport for stable.

This patch also fixes a case found by Maarten Lankhorst where
ttm_mem_evict_first called with no_wait_gpu would incorrectly
spin waiting for bo idle if trying to evict a busy buffer that
also sits on the ddestroy list.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-23 10:15:21 +10:00
Thomas Hellstrom
7bc17a7837 drm/ttm: Fix a theoretical race
The ttm_mem_evict_first function could theoretically drop the
lru lock without retrying if a reservation from off the LRU list
ended up waiting.
However, since currently there are no users that could cause a wait
in that situation so this is not suitable for stable

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-23 10:15:17 +10:00
Thierry Reding
a16d4f8601 drm: platform: Don't initialize driver-private data
Platform device drivers usually use the driver-private data for their
own purposes. Having it overwritten by drm_platform_init() is confusing
and error-prone.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-23 10:15:11 +10:00
Marcin Slusarz
08bce0ac3b drm/debugfs: remove redundant info from gem_names
It's a relic of "drm: Convert proc files to seq_file and introduce debugfs",
which wrongly converted DRM_INFO + sprintf to 2 seq_printfs.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Ben Gamari <bgamari@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-23 10:15:04 +10:00
Thierry Reding
0281324516 drm: fb: cma: Fail gracefully on allocation failure
The drm_gem_cma_create() function never returns NULL but rather an error
encoded in the return value using the ERR_PTR() macro. Callers therefore
need to check for errors using the IS_ERR() macro. This change allows
drivers to handle contiguous DMA allocation failures gracefully.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-23 10:14:58 +10:00
Thierry Reding
e0d78d08e3 drm: fb: cma: Fix typo in debug message
The debug message showing the resolution of a framebuffer to be
allocated is missing a closing parenthesis.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-23 10:14:54 +10:00
Russell King
b43b1ffa82 Merge tag 'fixes-for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes 2012-10-22 22:56:09 +01:00
Dave Airlie
ae168d973f Merge branch 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Fixes from Ben, off note:
ACPI ROM regression fix,
some IGP and AGP regressions fixes from rework fallout.

* 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau/clock: fix missing pll type/addr when matching default entry
  drm/nouveau/fb: fix reporting of memory type on GF8+ IGPs
  drm/nv41/vm: don't init hw pciegart on boards with agp bridge
  drm/nouveau/bios: fetch full 4KiB block to determine ACPI ROM image size
  drm/nouveau: validate vbios size
  drm/nouveau: warn when trying to free mm which is still in use
  drm/nouveau: fix nouveau_mm/nouveau_mm_node leak
  drm/nouveau/bios: improve error handling when reading the vbios from ACPI
  drm/nouveau: handle same-fb page flips
2012-10-22 17:50:50 +10:00
Dmitry Torokhov
4a215aade0 Input: fix use-after-free introduced with dynamic minor changes
Commit 7f8d4cad1e ("Input: extend the number of event (and other)
devices") made evdev, joydev and mousedev to embed struct cdev into
their respective structures representing input devices.

Unfortunately character device structure may outlive the parent
structure unless we do not set it up as parent of character device so
that it will stay pinned until character device is freed.

Also, now that parent structure is pinned while character device exists
we do not need to pin and unpin it every time user opens or closes it.

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-22 08:50:37 +03:00
Ben Skeggs
5e5a195ecc drm/nouveau/clock: fix missing pll type/addr when matching default entry
This issue is a regression from 70790f4f81,
and causes us to miss a special-case for C51 (NV4E) chipsets and return
the wrong reference frequency for the VPLLs.

Should fix fdo#56202

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 14:38:06 +10:00
Ben Skeggs
2c25b73995 drm/nouveau/fb: fix reporting of memory type on GF8+ IGPs
Purely a cosmetic issue at this point.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 13:58:05 +10:00
Ben Skeggs
4bf24c0215 drm/nv41/vm: don't init hw pciegart on boards with agp bridge
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 13:39:42 +10:00
Ben Skeggs
d1626a9651 drm/nouveau/bios: fetch full 4KiB block to determine ACPI ROM image size
Buggy firmware leads to bad things happening otherwise..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 13:39:38 +10:00
Marcin Slusarz
00e4845bad drm/nouveau: validate vbios size
Without checking, we could detect vbios size as 0, allocate 0-byte array
(kmalloc returns invalid pointer for such allocation) and crash in
nouveau_bios_score while checking for vbios signature.

Reported-by: Heinz Diehl <htd@fritha.org>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 12:26:46 +10:00
Marcin Slusarz
0bab097a9b drm/nouveau: warn when trying to free mm which is still in use
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 12:26:34 +10:00
Marcin Slusarz
92485cef52 drm/nouveau: fix nouveau_mm/nouveau_mm_node leak
v2: use already existing parent

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 12:25:53 +10:00
Martin Peres
90e2889c4e drm/nouveau/bios: improve error handling when reading the vbios from ACPI
Reported-by: Pawel Sikora <pawel.sikora@agmk.net>
Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 12:25:49 +10:00
Marcin Slusarz
2c14575f99 drm/nouveau: handle same-fb page flips
It's questionable use case, but weston/wayland already relies on this
behaviour, and other drivers don't care about it, so it's a matter of
compatibility.  Without it, process invoking such page flip hangs in
unkillable state, trying to reserve the same buffer twice.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-10-22 12:25:38 +10:00
Dave Airlie
64acba6a7a Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Daniel writes:
The big thing is the disabling of the hsw support by default, cc: stable.
We've aimed for basic hsw support in 3.6, but due to a few bad
happenstances we've screwed up and only 3.8 will have better modeset
support than vesa. To avoid yet another round of fallout from such a
gaffle on for the next platform we've added a module option to disable
early hw support by default. That should also give us more flexibility in
bring-up.

 Otherwise just small fixes:
 - 3 fixes from Egbert for sdvo corner cases
 - invert-brightness quirk entry from Egbert
 - revert a dp link training change, it regresses some setups
 - and shut up a spurious WARN in our gem fault handler.
 - regression fix for an oops on bit17 swizzling machines, introduce in 3.7
 - another no-lvds quirk

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: Initialize obj->pages before use by i915_gem_object_do_bit17_swizzle()
  drm/i915: Add no-lvds quirk for Supermicro X7SPA-H
  drm/i915: Insert i915_preliminary_hw_support variable.
  drm/i915: shut up spurious WARN in the gtt fault handler
  Revert "drm/i915: Try harder to complete DP training pattern 1"
  DRM/i915: Restore sdvo_flags after dtd->mode->dtd Roundrtrip.
  DRM/i915: Don't clone SDVO LVDS with analog.
  DRM/i915: Add QUIRK_INVERT_BRIGHTNESS for NCR machines.
  DRM/i915: Don't delete DPLL Multiplier during DAC init.
2012-10-22 09:55:48 +10:00
Linus Torvalds
37820108f3 ARM: soc: Fixes for 3.7-rc2
A set of fixes and some minor cleanups for -rc2:
 
 - A series from Arnd that fixes warnings in drivers and other code
   included by ARM defconfigs. Most have been acked by corresponding
   maintainers (and seem quite hard to argue not picking up anyway in the
   few exception cases).
 - A few misc patches from the list for integrator/vt8500/i.MX
 - A batch of fixes to OMAP platforms, fixing:
   - boot problems on beaglebone,
   - regression fixes for local timers
   - clockdomain locking fixes
   - a few boot/sparse warnings
 - For Tegra:
   - Clock rate calculation overflow fix
   - Revert a change that removed timer clocks and a fix for symbol name clashes
 - For Renesas:
   - IO accessor / annotation cleanups to remove warnings
 - For Kirkwood/Dove/mvebu:
   - Fixes for device trees for Dove (some minor cleanups, some fixes)
   - Fixes for the mvebu gpio driver
   - Fix build problem for Feroceon due to missing ifdefs
   - Fix lsxl DTS files
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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:
 "A set of fixes and some minor cleanups for -rc2:

   - A series from Arnd that fixes warnings in drivers and other code
     included by ARM defconfigs.  Most have been acked by corresponding
     maintainers (and seem quite hard to argue not picking up anyway in
     the few exception cases).
   - A few misc patches from the list for integrator/vt8500/i.MX
   - A batch of fixes to OMAP platforms, fixing:
     - boot problems on beaglebone,
     - regression fixes for local timers
     - clockdomain locking fixes
     - a few boot/sparse warnings
   - For Tegra:
     - Clock rate calculation overflow fix
     - Revert a change that removed timer clocks and a fix for symbol
       name clashes
   - For Renesas:
     - IO accessor / annotation cleanups to remove warnings
   - For Kirkwood/Dove/mvebu:
     - Fixes for device trees for Dove (some minor cleanups, some fixes)
     - Fixes for the mvebu gpio driver
     - Fix build problem for Feroceon due to missing ifdefs
     - Fix lsxl DTS files"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
  ARM: kirkwood: fix buttons on lsxl boards
  ARM: kirkwood: fix LEDs names for lsxl boards
  ARM: Kirkwood: fix disabling CACHE_FEROCEON_L2
  gpio: mvebu: Add missing breaks in mvebu_gpio_irq_set_type
  ARM: dove: Add crypto engine to DT
  ARM: dove: Remove watchdog from DT
  ARM: dove: Restructure SoC device tree descriptor
  ARM: dove: Fix clock names of sata and gbe
  ARM: dove: Fix tauros2 device tree init
  ARM: dove: Add pcie clock support
  ARM: OMAP2+: Allow kernel to boot even if GPMC fails to reserve memory
  ARM: OMAP: clockdomain: Fix locking on _clkdm_clk_hwmod_enable / disable
  ARM: s3c: mark s3c2440_clk_add as __init_refok
  spi/s3c64xx: use correct dma_transfer_direction type
  ARM: OMAP4: devices: fixup OMAP4 DMIC platform device error message
  ARM: OMAP2+: clock data: Add dev-id for the omap-gpmc dummy fck
  ARM: OMAP: resolve sparse warning concerning debug_card_init()
  ARM: OMAP4: Fix twd_local_timer_register regression
  ARM: tegra: add tegra_timer clock
  ARM: tegra: rename tegra system timer
  ...
2012-10-19 17:32:37 -07:00
Olof Johansson
068a565afa Merge branch 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes
A collection of warning fixes on non-ARM code from Arnd Bergmann:

* 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: s3c: mark s3c2440_clk_add as __init_refok
  spi/s3c64xx: use correct dma_transfer_direction type
  pcmcia: sharpsl: don't discard sharpsl_pcmcia_ops
  USB: EHCI: mark ehci_orion_conf_mbus_windows __devinit
  mm/slob: use min_t() to compare ARCH_SLAB_MINALIGN
  SCSI: ARM: make fas216_dumpinfo function conditional
  SCSI: ARM: ncr5380/oak uses no interrupts
2012-10-19 15:40:18 -07:00
Linus Torvalds
4a1f2b0fba Merge branch 'akpm' (Fixes from Andrew)
Merge misc fixes from Andrew Morton:
 "Seven fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (7 patches)
  lib/dma-debug.c: fix __hash_bucket_find()
  mm: compaction: correct the nr_strict va isolated check for CMA
  firmware/memmap: avoid type conflicts with the generic memmap_init()
  pidns: remove recursion from free_pid_ns()
  drivers/video/backlight/lm3639_bl.c: return proper error in lm3639_bled_mode_store() error paths
  kernel/sys.c: fix stack memory content leak via UNAME26
  linux/coredump.h needs asm/siginfo.h
2012-10-19 14:07:55 -07:00
Fengguang Wu
bac7169660 firmware/memmap: avoid type conflicts with the generic memmap_init()
Fix this build error:

  drivers/firmware/memmap.c:240:19: error: conflicting types for 'memmap_init'
  arch/ia64/include/asm/pgtable.h:565:17: note: previous declaration of 'memmap_init' was here

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Bernhard Walle <bwalle@suse.de>
Cc: Glauber Costa <glommer@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-19 14:07:47 -07:00
Axel Lin
dc36d7e7cd drivers/video/backlight/lm3639_bl.c: return proper error in lm3639_bled_mode_store() error paths
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-19 14:07:47 -07:00
Chris Wilson
74ce6b6c63 drm/i915: Initialize obj->pages before use by i915_gem_object_do_bit17_swizzle()
If we leave obj->pages set to NULL before attempting to deswizzle them,
then an OOPS is well deserved.

Fixes regression introduced in commit 9da3da660d
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Jun 1 15:20:22 2012 +0100

    drm/i915: Replace the array of pages with a scatterlist

Reported-and-tested-by: Krzysztof Kolasa
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-19 21:52:52 +02:00
Chris Wilson
c31407a367 drm/i915: Add no-lvds quirk for Supermicro X7SPA-H
Reported-and-tested-by: Francois Tigeot <ftigeot@wolfpond.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=55375
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-19 21:49:30 +02:00
Ian Campbell
801e7fb738 xen: dbgp: Fix warning when CONFIG_PCI is not enabled.
I saw this on ARM:
linux/drivers/xen/dbgp.c:11:23: warning: unused variable 'ctrlr' [-Wunused-variable]

Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-19 15:19:37 -04:00
Konrad Rzeszutek Wilk
e05dacd71d Merge commit 'v3.7-rc1' into stable/for-linus-3.7
* commit 'v3.7-rc1': (10892 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...
2012-10-19 15:19:19 -04:00