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* tag 'v3.2': (83 commits)
Linux 3.2
minixfs: misplaced checks lead to dentry leak
ptrace: ensure JOBCTL_STOP_SIGMASK is not zero after detach
ptrace: partially fix the do_wait(WEXITED) vs EXIT_DEAD->EXIT_ZOMBIE race
Revert "rtc: Expire alarms after the time is set."
[CIFS] default ntlmv2 for cifs mount delayed to 3.3
cifs: fix bad buffer length check in coalesce_t2
Revert "rtc: Disable the alarm in the hardware"
hung_task: fix false positive during vfork
security: Fix security_old_inode_init_security() when CONFIG_SECURITY is not set
fix CAN MAINTAINERS SCM tree type
mwifiex: fix crash during simultaneous scan and connect
b43: fix regression in PIO case
ath9k: Fix kernel panic in AR2427 in AP mode
CAN MAINTAINERS update
net: fsl: fec: fix build for mx23-only kernel
sch_qfq: fix overflow in qfq_update_start()
drm/radeon/kms/atom: fix possible segfault in pm setup
gspca: Fix falling back to lower isoc alt settings
futex: Fix uninterruptible loop due to gate_area
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This path add support to "OmniVision Technologies, Inc. VEHO Filmscanner".
Signed-off-by: Jose Alberto Reguero <jareguero@telefonica.net>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Mark info.type as deprecated inside the header, recommending
the usage of DTV_ENUM_DELSYS DVBv5 command instead.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The V4L2_CID_ALPHA_COMPONENT control is intended for the video capture
or memory-to-memory devices that are capable of setting up the per-pixel
alpha component to some arbitrary value. It allows to set the alpha
component for all pixels to an arbitrary value.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Linux 3.2-rc7
* tag 'v3.2-rc7': (1304 commits)
Linux 3.2-rc7
netfilter: xt_connbytes: handle negation correctly
Btrfs: call d_instantiate after all ops are setup
Btrfs: fix worker lock misuse in find_worker
net: relax rcvbuf limits
rps: fix insufficient bounds checking in store_rps_dev_flow_table_cnt()
net: introduce DST_NOPEER dst flag
mqprio: Avoid panic if no options are provided
bridge: provide a mtu() method for fake_dst_ops
md/bitmap: It is OK to clear bits during recovery.
md: don't give up looking for spares on first failure-to-add
md/raid5: ensure correct assessment of drives during degraded reshape.
md/linear: fix hot-add of devices to linear arrays.
sparc64: Fix MSIQ HV call ordering in pci_sun4v_msiq_build_irq().
pata_of_platform: Add missing CONFIG_OF_IRQ dependency.
ipv4: using prefetch requires including prefetch.h
VFS: Fix race between CPU hotplug and lglocks
vfs: __read_cache_page should use gfp argument rather than GFP_KERNEL
USB: Fix usb/isp1760 build on sparc
net: Add a flow_cache_flush_deferred function
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Conflicts:
drivers/media/common/tuners/tda18218.c
drivers/media/video/omap3isp/ispccdc.c
drivers/staging/media/as102/as102_drv.h
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Instead of using the same delivery system for both Annex A and
Annex C, split them into two separate ones. This helps to support
devices that only support Annex A.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Flash controllers can report over-current and indicator fault
conditions. Define flash fault control bits for them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This removes comment tags intended for emacs configuration from
67 files in the Media API DocBook. Such comments are not really
helpful and violate the coding style rules.
Signed-off-by: Sylwester Nawrocki <snjw23@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Changes to extract firmware for it913x devices
./get_dvb_firmware it9135
extracts
dvb-usb-it9135-01.fw
dvb-usb-it9135-02.fw
./get_dvb_firmware it9137
extracts
dvb-usb-it9137-01.fw
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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V4L2_FBUF_CAP_SRC_CHROMAKEY is the opposite of V4L2_FBUF_CAP_CHROMAKEY, but
according to the documentation it was the same. The terms 'video' and
'framebuffer' were accidentally swapped in the text.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
CC: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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high-latency devices.
Thanks to Hans de Goede for our discussions on this topic.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Thanks-to: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As per discussion during the 2011 V4L-DVB workshop.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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For some reason the V4L2_TUNER_CAP_RDS_CONTROLS/BLOCK_IO capabilities were never
documented in the proper table. In addition, then RDS interface section incorrectly
referred to them as V4L2_TUNER_SUB_RDS_... instead of CAP_RDS_...
This is now fixed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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* tag 'v3.2-rc2': (3068 commits)
Linux 3.2-rc2
hfs: add sanity check for file name length
fsl-rio: fix compile error
blackfin: Fixup export.h includes
Blackfin: add serial TX IRQ in individual platform resource
virtio-pci: fix use after free
ACPI / cpuidle: Remove acpi_idle_suspend (to fix suspend regression)
drm/radeon/kms/combios: fix dynamic allocation of PM clock modes
[CPUFREQ] db8500: fix build error due to undeclared i variable
bma023: Add SFI translation for this device
vrtc: change its year offset from 1960 to 1972
ce4100: fix a build error
arm/imx: fix imx6q mmc error when mounting rootfs
arm/imx: fix AUTO_ZRELADDR selection
arm/imx: fix the references to ARCH_MX3
ARM: mx51/53: set pwm clock parent to ipg_perclk
btrfs: rename the option to nospace_cache
drm/radeon/kms/pm: switch to dynamically allocating clock mode array
drm/radeon/kms: optimize r600_pm_profile_init
drm/radeon/kms/pm: add a proper pm profile init function for fusion
...
Conflicts:
drivers/media/radio/Kconfig
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Signed-off-by: Eddi De Pieri <eddi@depieri.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As reported by Andreas Oberritter <obi@linuxtv.org>, changeset
33ba28eebc3e1758e6adc1fcec9e1e3151bac453 did the wrong thing.
Fix it to properly reflect the entries for Terratec H5 revs 1 and 2,
and restore Terratec XS entry.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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DVB-C, as defined by ITU-T J.83 has 3 annexes. The differences between
Annex A and Annex C is that Annex C uses a subset of the modulation
types, and uses a different rolloff factor. A different rolloff means
that the bandwidth required is slicely different, and may affect the
saw filter configuration at the tuners. Also, some demods have different
configurations, depending on using Annex A or Annex C.
So, allow userspace to specify it, by changing the rolloff factor.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Re-run the cardlist script, in order to update the cardlists
for a few drivers, to sync with the driver changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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commit affebd4db94b459f676a14d9bb696c3c2b73643d
[media] bttv: adding Sensoray 611 board to bttv driver
Signed-off-by: Dean Anderson <linux-dev@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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commit cf5886c3dd2f65c817cb6ca5e7202fa3a3bdc872
Signed-off-by: Dean Anderson <linux-dev@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
perf tools: Fix compile error on x86_64 Ubuntu
perf report: Fix --stdio output alignment when --showcpuutilization used
perf annotate: Get rid of field_sep check
perf annotate: Fix usage string
perf kmem: Fix a memory leak
perf kmem: Add missing closedir() calls
perf top: Add error message for EMFILE
perf test: Change type of '-v' option to INCR
perf script: Add missing closedir() calls
tracing: Fix compile error when static ftrace is enabled
recordmcount: Fix handling of elf64 big-endian objects.
perf tools: Add const.h to MANIFEST to make perf-tar-src-pkg work again
perf tools: Add support for guest/host-only profiling
perf kvm: Do guest-only counting by default
perf top: Don't update total_period on process_sample
perf hists: Stop using 'self' for struct hist_entry
perf hists: Rename total_session to total_period
x86: Add counter when debug stack is used with interrupts enabled
x86: Allow NMIs to hit breakpoints in i386
x86: Keep current stack in NMI breakpoints
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core
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Add stacktrace_filter= to the kernel command line that lets
the user pick specific functions to check the stack on.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux
Kmemleak patches
Main features:
- Handle percpu memory allocations (only scanning them, not actually
reporting).
- Memory hotplug support.
Usability improvements:
- Show the origin of early allocations.
- Report previously found leaks even if kmemleak has been disabled by
some error.
* tag 'kmemleak' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux:
kmemleak: Add support for memory hotplug
kmemleak: Handle percpu memory allocation
kmemleak: Report previously found leaks even after an error
kmemleak: When the early log buffer is exceeded, report the actual number
kmemleak: Show where early_log issues come from
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This patch adds kmemleak callbacks from the percpu allocator, reducing a
number of false positives caused by kmemleak not scanning such memory
blocks. The percpu chunks are never reported as leaks because of current
kmemleak limitations with the __percpu pointer not pointing directly to
the actual chunks.
Reported-by: Huajun Li <huajun.li.lee@gmail.com>
Acked-by: Christoph Lameter <cl@gentwo.org>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (175 commits)
module_param: make bool parameters really bool (drivers/video/i810)
Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual."
OMAPDSS: HDMI: Disable DDC internal pull up
OMAPDSS: HDMI: Move duplicate code from boardfile
OMAPDSS: add OrtusTech COM43H4M10XTC display support
OMAP: DSS2: Support for UMSH-8173MD TFT panel
ASoC: OMAP: HDMI: Move HDMI codec trigger function to generic HDMI driver
OMAPDSS: HDMI: Create function to enable HDMI audio
ASoC: OMAP: HDMI: Correct signature of ASoC functions
ASoC: OMAP: HDMI: Introduce driver data for audio codec
grvga: fix section mismatch warnings
video: s3c-fb: Don't keep device runtime active when open
video: s3c-fb: Hold runtime PM references when touching registers
video: s3c-fb: Take a runtime PM reference when unblanked
video: s3c-fb: Disable runtime PM in error paths from probe
video: s3c-fb: Use s3c_fb_enable() to enable the framebuffer
video: s3c-fb: Make runtime PM functional again
drivers/video: fsl-diu-fb: merge fsl_diu_alloc() into map_video_memory()
drivers/video: fsl-diu-fb: add default platform ops functions
drivers/video: fsl-diu-fb: remove broken reference count enabling the display
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NV24 and NV42 are planar YCbCr 4:4:4 and YCrCb 4:4:4 formats with a
luma plane followed by an interleaved chroma plane.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This API will be used to support YUV frame buffer formats in a standard
way.
Last but not least, create a much needed fbdev API documentation and
document the format setting APIs.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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git://git.secretlab.ca/git/linux-2.6
2nd set of device tree changes and SPI bug fixes for v3.3
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
of/irq: Add interrupts-names property to name an irq resource
of/address: Add reg-names property to name an iomem resource
* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6:
spi/tegra: depend instead of select TEGRA_SYSTEM_DMA
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Add a interrupts-names property to allow the possibility to provide a name
to any interrupts entries. If the name is available, use it to name the
resource, otherwise keep the device full name.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
[grant.likely: use "interrupt-names" and tidy documentation]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Add a reg-names property to allow for reg regions to be reference by name
instead of by index. Some devices have multiple register regions which
are more naturally referenced by name.
If the name is available, use it to name the resource when creating a devices.
Otherwise keep the device name.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
[Generalized documentation to be for any -names property]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
* tag 'for-linus' of git://github.com/rustyrussell/linux:
module_param: check that bool parameters really are bool.
intelfbdrv.c: bailearly is an int module_param
paride/pcd: fix bool verbose module parameter.
module_param: make bool parameters really bool (drivers & misc)
module_param: make bool parameters really bool (arch)
module_param: make bool parameters really bool (core code)
kernel/async: remove redundant declaration.
printk: fix unnecessary module_param_name.
lirc_parallel: fix module parameter description.
module_param: avoid bool abuse, add bint for special cases.
module_param: check type correctness for module_param_array
modpost: use linker section to generate table.
modpost: use a table rather than a giant if/else statement.
modules: sysfs - export: taint, coresize, initsize
kernel/params: replace DEBUGP with pr_debug
module: replace DEBUGP with pr_debug
module: struct module_ref should contains long fields
module: Fix performance regression on modules with large symbol tables
module: Add comments describing how the "strmap" logic works
Fix up conflicts in scripts/mod/file2alias.c due to the new linker-
generated table approach to adding __mod_*_device_table entries. The
ARM sa11x0 mcp bus needed to be converted to that too.
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Recent tools do not want to use /proc to retrieve module information. A few
values are currently missing from sysfs to replace the information available
in /proc/modules.
This adds /sys/module/*/{coresize,initsize,taint} attributes.
TAINT_PROPRIETARY_MODULE (P) and TAINT_OOT_MODULE (O) flags are both always
shown now, and do no longer exclude each other, also in /proc/modules.
Replace the open-coded sysfs attribute initializers with the __ATTR() macro.
Add the new attributes to Documentation/ABI.
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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* 'for-3.3' of git://linux-nfs.org/~bfields/linux: (31 commits)
nfsd4: nfsd4_create_clid_dir return value is unused
NFSD: Change name of extended attribute containing junction
svcrpc: don't revert to SVC_POOL_DEFAULT on nfsd shutdown
svcrpc: fix double-free on shutdown of nfsd after changing pool mode
nfsd4: be forgiving in the absence of the recovery directory
nfsd4: fix spurious 4.1 post-reboot failures
NFSD: forget_delegations should use list_for_each_entry_safe
NFSD: Only reinitilize the recall_lru list under the recall lock
nfsd4: initialize special stateid's at compile time
NFSd: use network-namespace-aware cache registering routines
SUNRPC: create svc_xprt in proper network namespace
svcrpc: update outdated BKL comment
nfsd41: allow non-reclaim open-by-fh's in 4.1
svcrpc: avoid memory-corruption on pool shutdown
svcrpc: destroy server sockets all at once
svcrpc: make svc_delete_xprt static
nfsd: Fix oops when parsing a 0 length export
nfsd4: Use kmemdup rather than duplicating its implementation
nfsd4: add a separate (lockowner, inode) lookup
nfsd4: fix CONFIG_NFSD_FAULT_INJECTION compile error
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Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
dma-buf: Documentation update for Kconfig select
nouveau: Support Optimus models for vga_switcheroo
nouveau: properly check for _DSM function support
dma-buf: drop option text so users don't select it.
radeon: Call pci_clear_master() instead of open-coding it.
gma500: Discard modes that don't fit in stolen memory
drm: bump DRM_CONNECTOR_MAX_ENCODER from 2 to 3
drm/radeon/kms: Fix module parameter description format
drm/radeon/kms/ni: fix packet2 handling for VM IB parser
ttm/dma: Remove the WARN() which is not useful.
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As per Linus' comment, dma-buf Kconfig entry shouldn't have an option
text, but should be selected by the subsystems that use it.
Add this information in the documentation as well.
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (59 commits)
rtc: max8925: Add function to work as wakeup source
mfd: Add pm ops to max8925
mfd: Convert aat2870 to dev_pm_ops
mfd: Still check other interrupts if we get a wm831x touchscreen IRQ
mfd: Introduce missing kfree in 88pm860x probe routine
mfd: Add S5M series configuration
mfd: Add s5m series irq driver
mfd: Add S5M core driver
mfd: Improve mc13xxx dt binding document
mfd: Fix stmpe section mismatch
mfd: Fix stmpe build warning
mfd: Fix STMPE I2c build failure
mfd: Constify aat2870-core i2c_device_id table
gpio: Add support for stmpe variant 801
mfd: Add support for stmpe variant 801
mfd: Add support for stmpe variant 610
mfd: Add support for STMPE SPI interface
mfd: Separate out STMPE controller and interface specific code
misc: Remove max8997-muic sysfs attributes
mfd: Remove unused wm831x_irq_data_to_mask_reg()
...
Fix up trivial conflict in drivers/leds/Kconfig due to addition of
LEDS_MAX8997 and LEDS_TCA6507 next to each other.
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It improves mc13xxx dt binding document on how the regulator name
is being used for binding a mc13892 regulator device.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Add initial device-tree support for twl familly chips.
The current version is missing the regulator entries due
to the lack of DT regulator bindings for the moment.
Only the simple sub-modules that do not depend on
platform_data information can be initialized properly.
Add irqdomain support.
Add documentation for the Texas Instruments TWL Integrated Chip.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Balaji T K <balajitk@ti.com>
Cc: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
[grant.likely@secretlab.ca: Fix IRQ_DOMAIN dependency in kconfig]
Cc: Grant Likely <grant.likely@secretlab.ca>
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This adds device tree probe support for mc13xxx mfd driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Add a placeholder device tree binding for the wm8994 driver. At present
the binding is essentially null as none of the platform data is supported,
and at least some of that will depend on the pending regulator bindings.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
MMC highlights for 3.3:
Core:
* Support for the HS200 high-speed eMMC mode.
* Support SDIO 3.0 Ultra High Speed cards.
* Kill pending block requests immediately if card is removed.
* Enable the eMMC feature for locking boot partitions read-only
until next power on, exposed via sysfs.
Drivers:
* Runtime PM support for Intel Medfield SDIO.
* Suspend/resume support for sdhci-spear.
* sh-mmcif now processes requests asynchronously.
* tag 'mmc-merge-for-3.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (58 commits)
mmc: fix a deadlock between system suspend and MMC block IO
mmc: sdhci: restore the enabled dma when do reset all
mmc: dw_mmc: miscaculated the fifo-depth with wrong bit operation
mmc: host: Adds support for eMMC 4.5 HS200 mode
mmc: core: HS200 mode support for eMMC 4.5
mmc: dw_mmc: fixed wrong bit operation for SDMMC_GET_FCNT()
mmc: core: Separate the timeout value for cache-ctrl
mmc: sdhci-spear: Fix compilation error
mmc: sdhci: Deal with failure case in sdhci_suspend_host
mmc: dw_mmc: Clear the DDR mode for non-DDR
mmc: sd: Fix SDR12 timing regression
mmc: sdhci: Fix tuning timer incorrect setting when suspending host
mmc: core: Add option to prevent eMMC sleep command
mmc: omap_hsmmc: use threaded irq handler for card-detect.
mmc: sdhci-pci: enable runtime PM for Medfield SDIO
mmc: sdhci: Always pass clock request value zero to set_clock host op
mmc: sdhci-pci: remove SDHCI_QUIRK2_OWN_CARD_DETECTION
mmc: sdhci-pci: get gpio numbers from platform data
mmc: sdhci-pci: add platform data
mmc: sdhci: prevent card detection activity for non-removable cards
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c31b50e (mmc: core: Use delayed work in clock gating framework,
2011-11-14) missed a few things during review:
o A useless pr_info()
o milliseconds was written as two words
o The sysfs file had units in its output
Fix all three problems.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Sujit Reddy Thumma <sthumma@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Enable boot partitions to be read-only locked until next power on via
a sysfs entry. There will be one sysfs entry for each boot partition:
/sys/block/mmcblkXbootY/ro_lock_until_next_power_on
Each boot partition is locked by writing 1 to its file.
Signed-off-by: Johan Rudholm <johan.rudholm@stericsson.com>
Signed-off-by: John Beckett <john.beckett@stericsson.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Current clock gating framework disables the MCI clock as soon as the
request is completed and enables it when a request arrives. This aggressive
clock gating framework, when enabled, cause following issues:
When there are back-to-back requests from the Queue layer, we unnecessarily
end up disabling and enabling the clocks between these requests since 8MCLK
clock cycles is a very short duration compared to the time delay between
back to back requests reaching the MMC layer. This overhead can effect the
overall performance depending on how long the clock enable and disable
calls take which is platform dependent. For example on some platforms we
can have clock control not on the local processor, but on a different
subsystem and the time taken to perform the clock enable/disable can add
significant overhead.
Also if the host controller driver decides to disable the host clock too
when mmc_set_ios function is called with ios.clock=0, it adds additional
delay and it is highly possible that the next request had already arrived
and unnecessarily blocked in enabling the clocks. This is seen frequently
when the processor is executing at high speeds and in multi-core platforms
thus reduces the overall throughput compared to if clock gating is
disabled.
Fix this by delaying turning off the clocks by posting request on
delayed workqueue. Also cancel the unscheduled pending work, if any,
when there is access to card.
sysfs entry is provided to tune the delay as needed, default
value set to 200ms.
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next:
Squashfs: fix i_blocks calculation with extended regular files
Squashfs: fix mount time sanity check for corrupted superblock
Squashfs: optimise squashfs_cache_get entry search
Squashfs: Update documentation to include xattrs
Squashfs: add missing block release on error condition
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