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Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Tony Prisk <linux@prisktech.co.nz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The variable want_irq is only assigned the values true and false. Change its type to bool. The simplified semantic patch that find this problem is as follows (http://coccinelle.lip6.fr/): @exists@ type T; identifier b; @@ - T + bool b = ...; ... when any b = \(true\|false\) Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Driver core clears the driver data to NULL after device_release or on probe failure, so just remove it from here. The relevant driver core change was commit 0998d06 ("device-core: Ensure drvdata = NULL when no driver is bound"). Signed-off-by: Michal Simek <michal.simek@xilinx.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Because dev_*() are used along with pr_debug() function in this code, the debug message is not tidy. This patch converts from pr_debug() to dev_dbg() since dev_*() are encouraged to use in device driver code. Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In order to be free automatically and make the cleanup paths more simple, use devm_kzalloc() instead of kmalloc(). Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com> Cc: Joe Perches <joe@perches.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently, driver includes 'pm_runtime.h' which is not used anywhere in code hence remove this unnecessory inclusion. Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add real-time clock driver for s5m8767. Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Todd Broch <tbroch@chromium.org> Cc: Mark Brown <broonie@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> [mfd parts] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The ams AS3722 is a compact system PMU suitable for mobile phones, tablets etc. Add a driver to support accessing the RTC found on the ams AS3722 PMIC using RTC framework. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Florian Lobmaier <florian.lobmaier@ams.com> Cc: Mark Brown <broonie@kernel.org> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch removes duplicate defines from fs/hfs/btree.h [akpm@linux-foundation.org: retain the comments] Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Reviewed-by: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are situation when HFS+ volume had been created without AttributesFile. Such situation can take place because of using old mkfs.hfs utility or creation HFS+ volume without taking in mind necessity to use xattrs. For example, Mac OS X 10.4 (Tiger) doesn't create AttributesFile during mkfs phase. Also it is a very frequent situation for the case of users that created HFS+ volumes under Linux. As a result, xattrs and POSIX ACLs on HFS+ volume are unavailable for such users. This patchset implements functionality of AttributesFile creation on HFS+ volume in the case of this metadata file absence during operation of xattr creation. This patch: Add functionality of metadata file's clump size calculation. Operation of AttributesFile creation needs in clump size setting. This value will be used when AttributesFile will be extended. This code is adopted from code of newfs_hfs utility of diskdev_cmds packet http://opensource.apple.com/tarballs/diskdev_cmds/. Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Cc: Hin-Tak Leung <htl10@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Implement functionality of AttributesFile's header node initialization. Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Cc: Hin-Tak Leung <htl10@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Implement functionality of creation AttributesFile metadata file on HFS+ volume in the case of absence of it. It makes trying to open AttributesFile's B-tree during mount of HFS+ volume. If HFS+ volume hasn't AttributesFile then a pointer on AttributesFile's B-tree keeps as NULL. Thereby, when it is discovered absence of AttributesFile on HFS+ volume in the begin of xattr creation operation then AttributesFile will be created. The creation of AttributesFile will have success in the case of availability (2 * clump) free blocks on HFS+ volume. Otherwise, creation operation is ended with error (-ENOSPC). Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Slots can store up to 13 characters for the file name but one of the examples has one character too many. Signed-off-by: Luis Ortega Perez de Villar <luiorpe1@upv.es> Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
…tation Existing tracepoint documentation doesn't mention the popular TRACE_EVENT macro. Since an excellent series of articles on proper usage already exists, respective links are added to the existing documentation. Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com> Cc: Rob Landley <rob@landley.net> Cc: Jiri Kosina <jkosina@suse.cz> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Zoltan Kiss <zoltan.kiss@citrix.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When using '!Ffile function' in a docbook template, and the function no longer exists, you get a "no structured comments found" error from the kernel-doc processing script. It's useful to know which functions it was looking for, so print them out in this case. Also do the same for '!Pfile doc-section' The same error also happens when using '!Efile' when some exported functions aren't documented (in the same file.) There's a very large number of such functions though, so don't print the message in this case -- right now it would give ~850 messages. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Cc: Rob Landley <rob@landley.net> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The device lm90 can be controlled by the vcc rail. Adding the regulator support to power on/off the vcc rail. Enable the "vcc" regulator before accessing the device. [JD: Rename variables to avoid confusion with registers.] Signed-off-by: Wei Ni <wni@nvidia.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Add OF document for LM90 in Documentation/devicetree/. [JD: Add this new file to the LM90 MAINTAINERS entry.] Signed-off-by: Wei Ni <wni@nvidia.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
- Change fdt pointer (passed from head.S) from unsigned int to void *,
which allows to kill a cast, and makes it compatible with __dtb_start.
- Use pr_info(),
- Extract common part.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux@lists.openrisc.net
Signed-off-by: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Steven Miao <realmz6@gmail.com>
…ources. The serial driver sets up port function manually in early platform probe stage if the ADI GPIO2 driver is used. Remove the bfin_sport_uart early platform devices. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
We shouldn't sleep in atomic sections. Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
add smb_wmb()/smp_rmb() to keep cache coherent Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
We moved minor deallocation to drm_dev_free() in: commit 8f6599d Author: David Herrmann <dh.herrmann@gmail.com> Date: Sun Oct 20 18:55:45 2013 +0200 drm: delay minor destruction to drm_dev_free() However, this causes a call to drm_unplug_minor(), which should just do nothing as drm_dev_unregister() already called this. But a separate patch caused kdev lifetime changes: commit 5bdebb1 Author: Dave Airlie <airlied@redhat.com> Date: Fri Oct 11 14:07:25 2013 +1000 drm/sysfs: sort out minor and connector device object lifetimes. Thus making our dev_is_registered() call useles (and even segfault if it is NULL). Replace it with a simple !kdev test and we're fine. Reported-by: Huax Lu <huax.lu@intel.com> Reported-by: Daniel Vetter <daniel@ffwll.ch> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71208 Tested-by: lu hua <huax.lu@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Dave Airlie <airlied@gmail.com>
…pstreaming
Pull Kconfig cleanups from Mark Salter:
"Remove some unused config options from C6X and clean up PC_PARPORT
dependencies. The latter was discussed here:
https://lkml.org/lkml/2013/10/8/12"
* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
c6x: remove unused COMMON_CLKDEV Kconfig parameter
Kconfig cleanup (PARPORT_PC dependencies)
x86: select ARCH_MIGHT_HAVE_PC_PARPORT
unicore32: select ARCH_MIGHT_HAVE_PC_PARPORT
sparc: select ARCH_MIGHT_HAVE_PC_PARPORT
sh: select ARCH_MIGHT_HAVE_PC_PARPORT
powerpc: select ARCH_MIGHT_HAVE_PC_PARPORT
parisc: select ARCH_MIGHT_HAVE_PC_PARPORT
mips: select ARCH_MIGHT_HAVE_PC_PARPORT
microblaze: select ARCH_MIGHT_HAVE_PC_PARPORT
m68k: select ARCH_MIGHT_HAVE_PC_PARPORT
ia64: select ARCH_MIGHT_HAVE_PC_PARPORT
arm: select ARCH_MIGHT_HAVE_PC_PARPORT
alpha: select ARCH_MIGHT_HAVE_PC_PARPORT
c6x: remove unused parameter in Kconfig
…t/mmarek/kbuild Pull kbuild changes from Michal Marek: - LTO fixes, but the kallsyms part had to be reverted - Pass -Werror=implicit-int and -Werror=strict-prototypes to the compiler by default - snprintf fix in modpost - remove GREP_OPTIONS from the environment to be immune against exotic grep option settings * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kallsyms: Revert back to 128 max symbol length Kbuild: Ignore GREP_OPTIONS env variable scripts: kallsyms: Use %zu to print 'size_t' scripts/bloat-o-meter: use .startswith rather than fragile slicing scripts/bloat-o-meter: ignore changes in the size of linux_banner kbuild: replace unbounded sprintf call in modpost kbuild, bloat-o-meter: fix static detection Kbuild: Handle longer symbols in kallsyms.c kbuild: Increase kallsyms max symbol length Makefile: enable -Werror=implicit-int and -Werror=strict-prototypes by default
…it/mmarek/kbuild Pull kconfig changes from Michal Marek: - xconfig stores its setting in a meaningful path (~/.config/kernel.org/qconf.conf) - kconfig symbol search fix - documentation fixes - cleanup & comment update - fix warning when a kconfig symbol is defined with two different types - Yann is now officially listed as maintainer of kconfig, but he prefers me to send pull requests for now * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: MAINTAINERS: New kconfig maintainer xconfig: Fix the filename for GUI settings kconfig: fix bug in search results string: use strlen(gstr->s), not gstr->len kconfig: remove unused definition from scanner kconfig: adjust warning message for conflicting types kconfig: fix trivial typos and update mconf documentation kconfig: add short explanation to SYMBOL_WRITE Documentation/kbuild/kconfig.txt: 'make listnewconfig' replaces: yes "" | make oldconfig
…mmarek/kbuild Pull misc kbuild changes from Michal Marek: - make tags fixes again - scripts/show_delta fix for newer python - scripts/kernel-doc does not fail on unknown function prototype - one less coccinelle check this time * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/tags.sh: remove obsolete __devinit[const|data] scripts/kernel-doc: make unknown function prototype a Warning instead of an Error show_delta: Update script to support python versions 2.5 through 3.3 scripts/coccinelle/api: remove devm_request_and_ioremap.cocci scripts/tags.sh: Increase identifier list
Pull OpenRISC updates from Jonas Bonn: - small cleanups to make allmodconfig pass - defconfig refresh - a handful of code sanitization patches * tag 'for-3.13' of git://git.openrisc.net/~jonas/linux: openrisc: Refactor or32_early_setup() openrisc: Remove unused declaration of __initramfs_start openrisc: Use the declarations provided by <asm/sections.h> openrisc: Refresh or1ksim_defconfig for v3.12 openrisc: Refactor 16-bit constant relocation openrisc: include: asm: Kbuild: add default "vga.h" openrisc: Makefile: append "-D__linux__" to KBUILD_CFLAGS
…kernel/git/realmz6/blackfin-linux Pull blackfin updates from Steven Miao: "Blackfin gpio changes, add adi pinctrl driver, and bug fixes" * tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux: blackfin: fix build warning for unused variable smp: bf561: and smb_wmb()/smp_rmb() at ipi send/receive pm: use GFP_ATOMIC when pm core call this function blackfin: serial: Add serial port_fer and port_mux early platform resources. blackfin: pinctrl-adi2: code cleanup after using pinctrl-adi2 blackfin: adi gpio driver and pinctrl driver support bf609: update default config for spi Blackfin: bfin_gpio: Use proper mask for comparing pfunc
Pull drm regression fix from Dave Airlie: "Forgot this one liner was necessary to fix module reload issues introduced earlier in the drm pull" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: drm: check for !kdev in drm_unplug_minor()
…3/i2c-hid', 'for-3.13/logitech', 'for-3.13/multitouch', 'for-3.13/roccat', 'for-3.13/upstream' and 'for-3.13/wiimote' into for-linus
Pull second round of block driver updates from Jens Axboe: "As mentioned in the original pull request, the bcache bits were pulled because of their dependency on the immutable bio vecs. Kent re-did this part and resubmitted it, so here's the 2nd round of (mostly) driver updates for 3.13. It contains: - The bcache work from Kent. - Conversion of virtio-blk to blk-mq. This removes the bio and request path, and substitutes with the blk-mq path instead. The end result almost 200 deleted lines. Patch is acked by Asias and Christoph, who both did a bunch of testing. - A removal of bootmem.h include from Grygorii Strashko, part of a larger series of his killing the dependency on that header file. - Removal of __cpuinit from blk-mq from Paul Gortmaker" * 'for-linus' of git://git.kernel.dk/linux-block: (56 commits) virtio_blk: blk-mq support blk-mq: remove newly added instances of __cpuinit bcache: defensively handle format strings bcache: Bypass torture test bcache: Delete some slower inline asm bcache: Use ida for bcache block dev minor bcache: Fix sysfs splat on shutdown with flash only devs bcache: Better full stripe scanning bcache: Have btree_split() insert into parent directly bcache: Move spinlock into struct time_stats bcache: Kill sequential_merge option bcache: Kill bch_next_recurse_key() bcache: Avoid deadlocking in garbage collection bcache: Incremental gc bcache: Add make_btree_freeing_key() bcache: Add btree_node_write_sync() bcache: PRECEDING_KEY() bcache: bch_(btree|extent)_ptr_invalid() bcache: Don't bother with bucket refcount for btree node allocations bcache: Debug code improvements ...
…kernel/git/jdelvare/staging Pull hwmon fixes and updates from Jean Delvare: "All lm90 driver fixes and improvements" * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: Documentation: dt: hwmon: Add OF document for LM90 hwmon: (lm90) Add power control hwmon: (lm90) Add support for TI TMP451 hwmon: (lm90) Use enums for the indexes of temp8 and temp11 hwmon: (lm90) Add support to handle IRQ hwmon: (lm90) Define status bits hwmon: (lm90) Fix max6696 alarm handling
…it/sameo/mfd-next
Pull MFD updates from Samuel Ortiz:
"For the 3.13 merge window we have a couple of new drivers for the AMS
AS3722 PMIC and for STMicroelectronics STw481x PMIC.
Although this is a smaller update than usual, we also have:
- Device tree support for the max77693 driver
- linux/of.h inclusion for all DT compatible MFD drivers, to avoid
build breakage in the future
- Support for Intel Wildcat Point-LP PCH through the lpc_ich driver
- A small arizona update for new wm5110 DSP registers and a few fixes
- A small palmas update as well, including an of_device table
addition and a few minor fixes
- Two small mfd-core changes, one including a memory leak fix for
when mfd_add_device() fails
- Our usual round of minor cleanups and janitorial fixes"
* tag 'mfd-3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (63 commits)
Documentation: mfd: Update s2mps11.txt
mfd: pm8921: Potential NULL dereference in pm8921_remove()
mfd: Fix memory leak in mfd_add_devices()
mfd: Stop setting refcounting pointers in original mfd_cell arrays
mfd: wm5110: Enable micd clamp functionality
mfd: lpc_ich: Add Device IDs for Intel Wildcat Point-LP PCH
mfd: max77693: Fix up bug of wrong interrupt number
mfd: as3722: Don't export the regmap config
mfd: twl6040: Remove obsolete cleanup for i2c clientdata
mfd: tps65910: Remove warning during dt node parsing
mfd: lpc_sch: Ignore resource conflicts when adding mfd cells
mfd: ti_am335x_tscadc: Avoid possible deadlock of reg_lock
mfd: syscon: Return -ENOSYS if CONFIG_MFD_SYSCON is not enabled
mfd: Add support for ams AS3722 PMIC
mfd: max77693: Include linux/of.h header
mfd: tc3589x: Detect the precise version
mfd: omap-usb: prepare/unprepare clock while enable/disable
mfd: max77686: Include linux/of.h header
mfd: max8907: Include linux/of.h header
mfd: max8997: Include linux/of.h header
...
…/git/dtor/input Pull input updates from Dmitry Torokhov: "Updates for the input subsystem. You will get an new drivers for Hyper-V synthetic keyboard and for Neonode zForce touchscreens, plus a bunch of driver fixes and cleanups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (49 commits) Revert "Input: ALPS - add support for model found on Dell XT2" arm: dts: am335x sk: add touchscreen support Input: ti_am335x_tsc - fix spelling mistake in TSC/ADC DT binding Input: cyttsp4 - replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO Input: mma8450 - add missing i2c_set_clientdata() in mma8450_probe() Input: mpu3050 - add missing i2c_set_clientdata() in mpu3050_probe() Input: tnetv107x-keypad - make irqs signed for error handling Input: add driver for Neonode zForce based touchscreens Input: sh_keysc - enable the driver on all ARM platforms Input: remove a redundant max() call Input: mousedev - allow disabling even without CONFIG_EXPERT Input: allow deselecting serio drivers even without CONFIG_EXPERT Input: i8042 - add PNP modaliases Input: evdev - fall back to vmalloc for client event buffer Input: cypress_ps2 - do not consider data bad if palm is detected Input: cypress_ps2 - remove useless cast Input: fix PWM-related undefined reference errors Input: ALPS - change secondary device's name Input: wacom - not all multi-interface devices support touch Input: nspire-keypad - add missing clk_disable_unprepare() on error path ...
…/git/jikos/trivial Pull trivial tree updates from Jiri Kosina: "Usual earth-shaking, news-breaking, rocket science pile from trivial.git" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits) doc: usb: Fix typo in Documentation/usb/gadget_configs.txt doc: add missing files to timers/00-INDEX timekeeping: Fix some trivial typos in comments mm: Fix some trivial typos in comments irq: Fix some trivial typos in comments NUMA: fix typos in Kconfig help text mm: update 00-INDEX doc: Documentation/DMA-attributes.txt fix typo DRM: comment: `halve' -> `half' Docs: Kconfig: `devlopers' -> `developers' doc: typo on word accounting in kprobes.c in mutliple architectures treewide: fix "usefull" typo treewide: fix "distingush" typo mm/Kconfig: Grammar s/an/a/ kexec: Typo s/the/then/ Documentation/kvm: Update cpuid documentation for steal time and pv eoi treewide: Fix common typo in "identify" __page_to_pfn: Fix typo in comment Correct some typos for word frequency clk: fixed-factor: Fix a trivial typo ...
…/git/jikos/hid Pull HID updates from Jiri Kosina: - i2c-hid is not querying init reports any more, as it's not mandated by the spec, and annoys quite a few devices during enumeration, by Bibek Basu - a lot of fixes for Logitech devices, by Simon Wood - hid-apple now has an option to switch between Option and Command mode, by Nanno Langstraat - Some more workarounds for severely broken ELO devices, by Oliver Neukum - more devm conversions, by Benjamin Tissoires - wiimote correctness fixes, by David Herrmann - a lot of added support for various new device IDs and random small fixes here and there" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (34 commits) HID: enable Mayflash USB Gamecube Adapter HID: sony: Add force feedback support for Dualshock3 USB Input: usbtouchscreen: ignore eGalax/D-Wav/EETI HIDs HID: don't ignore eGalax/D-Wav/EETI HIDs HID: roccat: add missing special driver declarations HID:hid-lg4ff: Correct Auto-center strength for wheels other than MOMO and MOMO2 HID:hid-lg4ff: Initialize device properties before we touch autocentering. HID:hid-lg4ff: ensure ConstantForce is disabled when set to 0 HID:hid-lg4ff: Switch autocentering off when strength is set to zero. HID:hid-lg4ff: Scale autocentering force properly on Logitech wheel HID: roccat: fix Coverity CID 141438 HID: multitouch: add manufacturer to Kconfig help text HID: logitech-dj: small cleanup in rdcat() HID: remove self-assignment from hid_input_report HID: hid-sensor-hub: fix report size HID: i2c-hid: Stop querying for init reports HID: roccat: add support for Ryos MK keyboards HID: roccat: generalize some common code HID: roccat: add new device return value HID: wiimote: add pro-controller analog stick calibration ...
Commit 7d02c4d ("iommu/shmobile: Enable the driver on all ARM platforms") completely brokenly enabled the shmobile-iommu driver under COMPILE_TEST. It's bogus, because it won't compile anywhere else than ARM, since it tries to include <asm/dma-iommu.h>, which is very much ARM-only. So remove the bogus COMPILE_TEST dependency, which just causes allmodconfig to fail on non-ARM platforms. Cc: Joerg Roedel <joro@8bytes.org> Cc: iommu@lists.linux-foundation.org Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Cc: Simon Horman <horms@verge.net.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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…ux/kernel/git/tip/tip
Pull x86 boot changes from Ingo Molnar:
"Two changes that prettify and compactify the SMP bootup output from:
smpboot: Booting Node 0, Processors #1 #2 #3 OK
smpboot: Booting Node 1, Processors #4 #5 #6 #7 OK
smpboot: Booting Node 2, Processors #8 torvalds#9 torvalds#10 torvalds#11 OK
smpboot: Booting Node 3, Processors torvalds#12 torvalds#13 torvalds#14 torvalds#15 OK
Brought up 16 CPUs
to something like:
x86: Booting SMP configuration:
.... node #0, CPUs: #1 #2 #3
.... node #1, CPUs: #4 #5 #6 #7
.... node #2, CPUs: #8 torvalds#9 torvalds#10 torvalds#11
.... node #3, CPUs: torvalds#12 torvalds#13 torvalds#14 torvalds#15
x86: Booted up 4 nodes, 16 CPUs"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Further compress CPUs bootup message
x86: Improve the printout of the SMP bootup CPU table
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Andrey reported the following report: ERROR: AddressSanitizer: heap-buffer-overflow on address ffff8800359c99f3 ffff8800359c99f3 is located 0 bytes to the right of 243-byte region [ffff8800359c9900, ffff8800359c99f3) Accessed by thread T13003: #0 ffffffff810dd2da (asan_report_error+0x32a/0x440) #1 ffffffff810dc6b0 (asan_check_region+0x30/0x40) #2 ffffffff810dd4d3 (__tsan_write1+0x13/0x20) #3 ffffffff811cd19e (ftrace_regex_release+0x1be/0x260) #4 ffffffff812a1065 (__fput+0x155/0x360) #5 ffffffff812a12de (____fput+0x1e/0x30) #6 ffffffff8111708d (task_work_run+0x10d/0x140) #7 ffffffff810ea043 (do_exit+0x433/0x11f0) #8 ffffffff810eaee4 (do_group_exit+0x84/0x130) torvalds#9 ffffffff810eafb1 (SyS_exit_group+0x21/0x30) torvalds#10 ffffffff81928782 (system_call_fastpath+0x16/0x1b) Allocated by thread T5167: #0 ffffffff810dc778 (asan_slab_alloc+0x48/0xc0) #1 ffffffff8128337c (__kmalloc+0xbc/0x500) #2 ffffffff811d9d54 (trace_parser_get_init+0x34/0x90) #3 ffffffff811cd7b3 (ftrace_regex_open+0x83/0x2e0) #4 ffffffff811cda7d (ftrace_filter_open+0x2d/0x40) #5 ffffffff8129b4ff (do_dentry_open+0x32f/0x430) #6 ffffffff8129b668 (finish_open+0x68/0xa0) #7 ffffffff812b66ac (do_last+0xb8c/0x1710) #8 ffffffff812b7350 (path_openat+0x120/0xb50) torvalds#9 ffffffff812b8884 (do_filp_open+0x54/0xb0) torvalds#10 ffffffff8129d36c (do_sys_open+0x1ac/0x2c0) torvalds#11 ffffffff8129d4b7 (SyS_open+0x37/0x50) torvalds#12 ffffffff81928782 (system_call_fastpath+0x16/0x1b) Shadow bytes around the buggy address: ffff8800359c9700: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd ffff8800359c9780: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa ffff8800359c9800: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa ffff8800359c9880: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa ffff8800359c9900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>ffff8800359c9980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00[03]fb ffff8800359c9a00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa ffff8800359c9a80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa ffff8800359c9b00: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 ffff8800359c9b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8800359c9c00: 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap redzone: fa Heap kmalloc redzone: fb Freed heap region: fd Shadow gap: fe The out-of-bounds access happens on 'parser->buffer[parser->idx] = 0;' Although the crash happened in ftrace_regex_open() the real bug occurred in trace_get_user() where there's an incrementation to parser->idx without a check against the size. The way it is triggered is if userspace sends in 128 characters (EVENT_BUF_SIZE + 1), the loop that reads the last character stores it and then breaks out because there is no more characters. Then the last character is read to determine what to do next, and the index is incremented without checking size. Then the caller of trace_get_user() usually nulls out the last character with a zero, but since the index is equal to the size, it writes a nul character after the allocated space, which can corrupt memory. Luckily, only root user has write access to this file. Link: http://lkml.kernel.org/r/20131009222323.04fd1a0d@gandalf.local.home Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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There was a deadlock in monitor mode when we were setting the channel if the channel was not 1. ====================================================== [ INFO: possible circular locking dependency detected ] 3.14.3 #4 Not tainted ------------------------------------------------------- iw/3323 is trying to acquire lock: (&local->chanctx_mtx){+.+.+.}, at: [<ffffffffa062e2f2>] ieee80211_vif_release_channel+0x42/0xb0 [mac80211] but task is already holding lock: (&local->iflist_mtx){+.+...}, at: [<ffffffffa0609e0a>] ieee80211_set_monitor_channel+0x5a/0x1b0 [mac80211] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&local->iflist_mtx){+.+...}: [<ffffffff810d95bb>] __lock_acquire+0xb3b/0x13b0 [<ffffffff810d9ee0>] lock_acquire+0xb0/0x1f0 [<ffffffff817eb9c8>] mutex_lock_nested+0x78/0x4f0 [<ffffffffa06225cf>] ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211] [<ffffffffa0518189>] iwl_mvm_recalc_multicast+0x49/0xa0 [iwlmvm] [<ffffffffa051822e>] iwl_mvm_configure_filter+0x4e/0x70 [iwlmvm] [<ffffffffa05e6d43>] ieee80211_configure_filter+0x153/0x5f0 [mac80211] [<ffffffffa05e71f5>] ieee80211_reconfig_filter+0x15/0x20 [mac80211] [snip] -> #1 (&mvm->mutex){+.+.+.}: [<ffffffff810d95bb>] __lock_acquire+0xb3b/0x13b0 [<ffffffff810d9ee0>] lock_acquire+0xb0/0x1f0 [<ffffffff817eb9c8>] mutex_lock_nested+0x78/0x4f0 [<ffffffffa0517246>] iwl_mvm_add_chanctx+0x56/0xe0 [iwlmvm] [<ffffffffa062ca1e>] ieee80211_new_chanctx+0x13e/0x410 [mac80211] [<ffffffffa062d953>] ieee80211_vif_use_channel+0x1c3/0x5a0 [mac80211] [<ffffffffa06035ab>] ieee80211_add_virtual_monitor+0x1ab/0x6b0 [mac80211] [<ffffffffa06052ea>] ieee80211_do_open+0xe6a/0x15a0 [mac80211] [<ffffffffa0605a79>] ieee80211_open+0x59/0x60 [mac80211] [snip] -> #0 (&local->chanctx_mtx){+.+.+.}: [<ffffffff810d6cb7>] check_prevs_add+0x977/0x980 [<ffffffff810d95bb>] __lock_acquire+0xb3b/0x13b0 [<ffffffff810d9ee0>] lock_acquire+0xb0/0x1f0 [<ffffffff817eb9c8>] mutex_lock_nested+0x78/0x4f0 [<ffffffffa062e2f2>] ieee80211_vif_release_channel+0x42/0xb0 [mac80211] [<ffffffffa0609ec3>] ieee80211_set_monitor_channel+0x113/0x1b0 [mac80211] [<ffffffffa058fb37>] cfg80211_set_monitor_channel+0x77/0x2b0 [cfg80211] [<ffffffffa056e0b2>] __nl80211_set_channel+0x122/0x140 [cfg80211] [<ffffffffa0581374>] nl80211_set_wiphy+0x284/0xaf0 [cfg80211] [snip] other info that might help us debug this: Chain exists of: &local->chanctx_mtx --> &mvm->mutex --> &local->iflist_mtx Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&local->iflist_mtx); lock(&mvm->mutex); lock(&local->iflist_mtx); lock(&local->chanctx_mtx); *** DEADLOCK *** This deadlock actually occurs: INFO: task iw:3323 blocked for more than 120 seconds. Not tainted 3.14.3 #4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. iw D ffff8800c8afcd80 4192 3323 3322 0x00000000 ffff880078fdb7e0 0000000000000046 ffff8800c8afcd80 ffff880078fdbfd8 00000000001d5540 00000000001d5540 ffff8801141b0000 ffff8800c8afcd80 ffff880078ff9e38 ffff880078ff9e38 ffff880078ff9e40 0000000000000246 Call Trace: [<ffffffff817ea841>] schedule_preempt_disabled+0x31/0x80 [<ffffffff817ebaed>] mutex_lock_nested+0x19d/0x4f0 [<ffffffffa06225cf>] ? ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211] [<ffffffffa06225cf>] ? ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211] [<ffffffffa052a680>] ? iwl_mvm_power_mac_update_mode+0xc0/0xc0 [iwlmvm] [<ffffffffa06225cf>] ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211] [<ffffffffa0529357>] _iwl_mvm_power_update_binding+0x27/0x80 [iwlmvm] [<ffffffffa0516eb1>] iwl_mvm_unassign_vif_chanctx+0x81/0xc0 [iwlmvm] [<ffffffffa062d3ff>] __ieee80211_vif_release_channel+0xdf/0x470 [mac80211] [<ffffffffa062e2fa>] ieee80211_vif_release_channel+0x4a/0xb0 [mac80211] [<ffffffffa0609ec3>] ieee80211_set_monitor_channel+0x113/0x1b0 [mac80211] [<ffffffffa058fb37>] cfg80211_set_monitor_channel+0x77/0x2b0 [cfg80211] [<ffffffffa056e0b2>] __nl80211_set_channel+0x122/0x140 [cfg80211] [<ffffffffa0581374>] nl80211_set_wiphy+0x284/0xaf0 [cfg80211] This fixes https://bugzilla.kernel.org/show_bug.cgi?id=75541 Cc: <stable@vger.kernel.org> [3.13+] Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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After 96d365e ("cgroup: make css_set_lock a rwsem and rename it to css_set_rwsem"), css task iterators requires sleepable context as it may block on css_set_rwsem. I missed that cgroup_freezer was iterating tasks under IRQ-safe spinlock freezer->lock. This leads to errors like the following on freezer state reads and transitions. BUG: sleeping function called from invalid context at /work /os/work/kernel/locking/rwsem.c:20 in_atomic(): 0, irqs_disabled(): 0, pid: 462, name: bash 5 locks held by bash/462: #0: (sb_writers#7){.+.+.+}, at: [<ffffffff811f0843>] vfs_write+0x1a3/0x1c0 #1: (&of->mutex){+.+.+.}, at: [<ffffffff8126d78b>] kernfs_fop_write+0xbb/0x170 #2: (s_active#70){.+.+.+}, at: [<ffffffff8126d793>] kernfs_fop_write+0xc3/0x170 #3: (freezer_mutex){+.+...}, at: [<ffffffff81135981>] freezer_write+0x61/0x1e0 #4: (rcu_read_lock){......}, at: [<ffffffff81135973>] freezer_write+0x53/0x1e0 Preemption disabled at:[<ffffffff81104404>] console_unlock+0x1e4/0x460 CPU: 3 PID: 462 Comm: bash Not tainted 3.15.0-rc1-work+ torvalds#10 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 ffff88000916a6d0 ffff88000e0a3da0 ffffffff81cf8c96 0000000000000000 ffff88000e0a3dc8 ffffffff810cf4f2 ffffffff82388040 ffff880013aaf740 0000000000000002 ffff88000e0a3de8 ffffffff81d05974 0000000000000246 Call Trace: [<ffffffff81cf8c96>] dump_stack+0x4e/0x7a [<ffffffff810cf4f2>] __might_sleep+0x162/0x260 [<ffffffff81d05974>] down_read+0x24/0x60 [<ffffffff81133e87>] css_task_iter_start+0x27/0x70 [<ffffffff8113584d>] freezer_apply_state+0x5d/0x130 [<ffffffff81135a16>] freezer_write+0xf6/0x1e0 [<ffffffff8112eb88>] cgroup_file_write+0xd8/0x230 [<ffffffff8126d7b7>] kernfs_fop_write+0xe7/0x170 [<ffffffff811f0756>] vfs_write+0xb6/0x1c0 [<ffffffff811f121d>] SyS_write+0x4d/0xc0 [<ffffffff81d08292>] system_call_fastpath+0x16/0x1b freezer->lock used to be used in hot paths but that time is long gone and there's no reason for the lock to be IRQ-safe spinlock or even per-cgroup. In fact, given the fact that a cgroup may contain large number of tasks, it's not a good idea to iterate over them while holding IRQ-safe spinlock. Let's simplify locking by replacing per-cgroup freezer->lock with global freezer_mutex. This also makes the comments explaining the intricacies of policy inheritance and the locking around it as the states are protected by a common mutex. The conversion is mostly straight-forward. The followings are worth mentioning. * freezer_css_online() no longer needs double locking. * freezer_attach() now performs propagation simply while holding freezer_mutex. update_if_frozen() race no longer exists and the comment is removed. * freezer_fork() now tests whether the task is in root cgroup using the new task_css_is_root() without doing rcu_read_lock/unlock(). If not, it grabs freezer_mutex and performs the operation. * freezer_read() and freezer_change_state() grab freezer_mutex across the whole operation and pin the css while iterating so that each descendant processing happens in sleepable context. Fixes: 96d365e ("cgroup: make css_set_lock a rwsem and rename it to css_set_rwsem") Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
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