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2009-09-22mm: remove obsoleted alloc_pages cpuset commentDavid Rientjes
When a cpuset's nodemask is updated, all attached tasks have their cached task->mems_allowed updated by a heap instead of requiring an explicit call to cpuset_update_task_memory_state(), which has since been removed in 58568d2a8215cb6f55caf2332017d7bdff954e1c ("cpuset,mm: update tasks' mems_allowed in time"). Remove the obsoleted comment from the page allocator. Cc: Paul Menage <menage@google.com> Acked-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22mm: make swap token dummies static inlinesJohannes Weiner
Make use of the compiler's typechecking on !CONFIG_SWAP as well. [akpm@linux-foundation.org: build fix] Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Rik van Riel <riel@redhat.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: make block_device_operations constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: make lock_manager_operations constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: make file_lock_operations constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: mark remaining inode_operations as constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: mark remaining address_space_operations constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: mark remaining export_operations constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: mark remaining super_operations constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: make struct super_block::s_qcop constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: make struct super_block::dq_op constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22drivers/mfd/ab3100-core.c: fix powerpc build errorAndrew Morton
drivers/mfd/ab3100-core.c:647: error: ab3100_init_settings causes a section type conflict Cc: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22proc: document `guest' column in /proc/statEric Dumazet
We added a new column in cpuX lines of /proc/stat, to show the amount of time spent by a cpu servicing a guest, without updating Documentation/filesystems/proc.txt Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22fs: make sure data stored into inode is properly seen before unlocking new inodeJan Kara
In theory it could happen that on one CPU we initialize a new inode but clearing of I_NEW | I_LOCK gets reordered before some of the initialization. Thus on another CPU we return not fully uptodate inode from iget_locked(). This seems to fix a corruption issue on ext3 mounted over NFS. [akpm@linux-foundation.org: add some commentary] Signed-off-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@infradead.org> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22sdhci: orphan driver and listPierre Ossman
Remove myself as maintainer from the sdhci driver and steer people towards the new MMC list for discussing it. Signed-off-by: Pierre Ossman <pierre@ossman.eu> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22drivers/media/dvb/pt1/pt1.c needs vmalloc.hAndrew Morton
alpha: drivers/media/dvb/pt1/pt1.c: In function 'pt1_cleanup_tables': drivers/media/dvb/pt1/pt1.c:422: error: implicit declaration of function 'vfree' drivers/media/dvb/pt1/pt1.c: In function 'pt1_init_tables': drivers/media/dvb/pt1/pt1.c:431: error: implicit declaration of function 'vmalloc' drivers/media/dvb/pt1/pt1.c:431: warning: assignment makes pointer from integer without a cast Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22regulator: fix voltage range in da9034 ldo12Haojian Zhuang
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator/driver: be more specific in nanodoc for is_enabledWolfram Sang
Document the possibility that is_enabled may also return with negative errorcodes. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator/lp3971: drop unnecessary initializationWolfram Sang
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: drop 'default n'Wolfram Sang
Specifying 'default n' is superfluous. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: fix typosWolfram Sang
Fix a couple of typos I found while working with this subsystem. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: fix calculation of voltage range in da9034_set_ldo12_voltage()Roel Kluin
For val to be greater than 7 or less than 20 is logically always true. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Liam Girdwood <lrg@slimlogic.co.uk> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: update a filename in documentationWolfram Sang
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Liam Girdwood <lrg@slimlogic.co.uk> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22drivers/regulator/Kconfig: fix typo (s/Usersapce/Userspace/) in ↵Michael Prokop
REGULATOR_USERSPACE_CONSUMER description Signed-off-by: Michael Prokop <mika@grml.org> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22REGULATOR Handle positive returncode from enableLinus Walleij
This makes _regulator_enable() properly handle the case where a regulator is already on when you try to enable it. Currently it will erroneously handle positive return values as an error. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: tps650xx - build fixes for x86_64Liam Girdwood
Fixes the following errors on both tps650xx regulator drivers :- drivers/regulator/tps65023-regulator: struct i2c_device_id is 32 bytes. The last of 1 is: 0x74 0x70 0x73 0x36 0x35 0x30 0x32 0x33 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 FATAL: drivers/regulator/tps65023-regulator: struct i2c_device_id is not terminated with a NULL entry! This patch also fixes the GPL v2 licence string for both drivers. Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22Fix some regulator documentationLinus Walleij
This fixes a spelling error and an API function signature mismatch in the regulator documentation. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22Regulator: Adding TPS65023 and TPS6507x in Kconfig and MakefileAnuj Aggarwal
Adding TPS65023 and TPS6507x regulator driver support in drivers/regulator/Makefile and drivers/regulator/Kconfig Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22Regulator: Add TPS6507x regulator driverAnuj Aggarwal
Adding support for TI TPS6507x regulator driver Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22Regulator: Add TPS65023 regulator driverAnuj Aggarwal
Adding support for TI TPS65023 regulator driver Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: userspace: use sysfs_create_groupFelipe Balbi
and avoid introducing our own loops for creating several sysfs entries. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Add GPIO enable control to fixed voltage regulator driverRoger Quadros
Now fixed regulators that have their enable pin connected to a GPIO line can use the fixed regulator driver for regulator enable/disable control. The GPIO number and polarity information is passed through platform data. GPIO enable control is achieved using gpiolib. Signed-off-by: Roger Quadros <ext-roger.quadros@nokia.com> Reviewed-by: Philipp Zabel <philipp.zabel@gmail.com> Reviewed-by: Felipe Balbi <felipe.balbi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22Regulator: Implement list_voltage for pcf50633 regulator driver.Lars-Peter Clausen
This patch implements list_voltage for the pcf50644 regulator driver. As the voltages are linearly scaled the code to convert register values to voltages can be reused and most of the code can be shared with get_voltage. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: regulator_enable() permission checkingMark Brown
The regulator_enable() code wasn't actually checking that the machine constraints had given permission to enable the regulator. Add code to do that, but only if the regulator is not already on due to something like always_on or being left on at startup since in those cases there's no physical change being introduced and the constraint wouldn't make any sense. Also add matching code for disable(). We need to do less there since either regulator_enable() should have succeeded first or the board setup makes no sense. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Push locking for regulator_is_enabled() outMark Brown
Allows use by more of the internal regulator API code. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Check for constraints in regulator_init_complete()Mark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Check for constraints before using them for nameMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: More explict error reporting for fixed regulatorMark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: da903x: consolidate DA903[045]_DVC macrosMike Rapoport
Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Improve virtual consumer probe error handlingMark Brown
Report errors to the user and try harder to clean up if we're not able to probe. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Fix support for deviceless supply mappingsMark Brown
The patch to add support for looking up consumers by device name had the side effect of causing us to require a device which is at best premature since at least cpufreq still operates outside the device model. Remove that requirement. Reported-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Warn when unregistering an in-use regulatorMark Brown
We're probably going to start oopsing fairly soon after this happens. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Add regulator voltage range check APIMark Brown
Simplify checking of support for voltage ranges by providing an API which wraps the existing count and list operations. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Add regulator_get_exclusive() APIMark Brown
Some consumers require complete control of the regulator and can't tolerate sharing it with other consumers, most commonly because they need to have the regulator actually disabled so can't have other consumers forcing it on. This new regulator_get_exclusive() API call allows these consumers to explicitly request this, documenting the assumptions that they are making. In order to simplify coding of such consumers the use count for regulators they request is forced to match the enabled state of the regulator when it is requested. This is not possible for consumers which can share regulators due to the need to keep track of the ownership of use counts. A new API call is used rather than an additional argument to the existing regulator_get() in order to avoid merge headaches with driver code in other trees. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: support list voltage in da903xHaojian Zhuang
Make da903x driver to list voltage and count voltage. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: add initialization macro of regulator supplyroald
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: replace ADTV1 register by ADTV2 in da903xHaojian Zhuang
In PXA3xx SoC family, V_CORE power doamin is supplied by BUCK1 that is controller by ADTV1 or ADTV2 register. By default, v1 and v2 has the same copy. If v1 or v2 is updated, the last value that is written to either register takes effect. It means that v1 and v2 has different copy. And the actual voltage output is determinated by last update on either register. DA9034/35 is binded with PXA3xx SoC family. While SoC is scaling OP or entering/exiting lower power mode, SoC needs to change voltage of V_CORE power doamin. In order to be efficient, POWER I2C (hardcode) mode could be enabled in SoC. In this mode, SoC will control v2 register directly. In original DA903x driver, software will only read regulator data from v1 register. But SoC controls v2 register directly. It results that v1 and v2 isn't synchronized. Wrong data will be read from v1 register. So access v2 register in da903x driver instead. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: support da9030 BUCK in da903x driverHaojian Zhuang
Support the operation of DA9030 BUCK2 in da903x driver. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Acked-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: add buck3 in da903x driverHaojian Zhuang
BUCK3 is the new component in DA9035. So there're three BUCKs in DA9035. And there're two BUCKs in DA9034. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2009-09-22regulator: Define full constraints function with REGULATOR disabledMark Brown
This allows machine drivers to build without ifdefs if they have full constraints. Suggested by machine drivers contributed by Haojian Zhuang <haojian.zhuang@gmail.com>. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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