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2012-07-31dm: use memweight()Akinobu Mita1-11/+2
Use memweight() to count the total number of bits set in memory area. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Alasdair Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31qnx4fs: use memweight()Akinobu Mita1-19/+5
Use memweight() to count the total number of bits clear in memory area. Note that this memweight() call can't be replaced with a single bitmap_weight() call, although the pointer to the memory area is aligned to long-word boundary. Because the size of the memory area may not be a multiple of BITS_PER_LONG, then it returns wrong value on big-endian architecture. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Anders Larsen <al@alarsen.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31string: introduce memweight()Akinobu Mita3-1/+42
memweight() is the function that counts the total number of bits set in memory area. Unlike bitmap_weight(), memweight() takes pointer and size in bytes to specify a memory area which does not need to be aligned to long-word boundary. [akpm@linux-foundation.org: rename `w' to `ret'] Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Anders Larsen <al@alarsen.net> Cc: Alasdair Kergon <agk@redhat.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Jan Kara <jack@suse.cz> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Tony Luck <tony.luck@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: move lp855x header into platform_data directoryKim, Milo2-1/+1
The lp855x header is used only in the platform side, so it can be moved into platform_data directory Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Bryan Wu <bryan.wu@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: move register definitions from header to sourceKim, Milo2-8/+6
ROM boundary definitions do not need to be exported because these are used only internally in the lp855x driver. And few code cosmetic changes Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Bryan Wu <bryan.wu@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: l4f00242t03: export and use devm_gpio_request_one()Jingoo Han1-19/+10
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_gpio_request_one() for these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Alberto Panizzo <alberto@amarulasolutions.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: corgi_lcd: use devm_gpio_request()Jingoo Han1-14/+5
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_gpio_request() for these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: lms283gf05: use devm_gpio_request()Jingoo Han1-18/+6
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_gpio_request() for these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Marek Vasut <marek.vasut@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: tosa_bl: use devm_gpio_request()Jingoo Han1-6/+2
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_gpio_request() for these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: tosa_lcd: use devm_gpio_request()Jingoo Han1-5/+2
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_gpio_request() for these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: ot200_bl: use devm_gpio_request()Jingoo Han1-6/+3
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_gpio_request() for these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31backlight: atmel-pwm-bl: use devm_gpio_request()Jingoo Han1-9/+5
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_gpio_request() for these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31drivers/video/backlight/lm3533_bl.c: use devm_ functionsJingoo Han1-6/+2
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_kzalloc of these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Johan Hovold <jhovold@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31drivers/video/backlight/ot200_bl.c: use devm_ functionsJingoo Han1-8/+4
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_kzalloc of these functions Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31drivers/video/backlight/atmel-pwm-bl.c: use devm_ functionsJingoo Han1-3/+2
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_kzalloc of these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31MAINTAINERS: update EXYNOS DP DRIVER F: patternsJingoo Han1-0/+1
Add patterns for Exynos DP header to MAINTAINERS file. 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>
2012-07-31vsprintf: add support of '%*ph[CDN]'Andy Shevchenko2-0/+65
There are many places in the kernel where the drivers print small buffers as a hex string. This patch adds a support of the variable width buffer to print it as a hex string with a delimiter. The idea came from Pavel Roskin here: http://www.digipedia.pl/usenet/thread/18835/17449/ Sample output of pr_info("buf[%d:%d] %*phC\n", from, len, len, &buf[from]); could be look like this: [ 0.726130] buf[51:8] e8:16:b6:ef:e3:74:45:6e [ 0.750736] buf[59:15] 31:81:b8:3f:35:49:06:ae:df:32:06:05:4a:af:55 [ 0.757602] buf[17:5] ac:16:d5:2c:ef Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31lib/vsprintf.c: kptr_restrict: fix pK-error in SysRq show-all-timers(Q)Dan Rosenberg1-1/+2
When using ALT+SysRq+Q all the pointers are replaced with "pK-error" like this: [23153.208033] .base: pK-error with echo h > /proc/sysrq-trigger it works: [23107.776363] .base: ffff88023e60d540 The intent behind this behavior was to return "pK-error" in cases where the %pK format specifier was used in interrupt context, because the CAP_SYSLOG check wouldn't be meaningful. Clearly this should only apply when kptr_restrict is actually enabled though. Reported-by: Stevie Trujillo <stevie.trujillo@gmail.com> Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31lib/vsprintf.c: remind people to update Documentation/printk-formats.txt ↵Andrew Morton1-0/+2
when adding printk formats Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31vsprintf: add %pMR for Bluetooth MAC addressAndrei Emeltchenko2-4/+24
Bluetooth uses mostly LE byte order which is reversed for visual interpretation. Currently in Bluetooth in use unsafe batostr function. This is a slightly modified version of Joe's patch (sent Sat, Dec 4, 2010). Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Cc: Joe Perches <joe@perches.com> Cc: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31printk: remove the now unnecessary "C" annotation for KERN_CONTJoe Perches2-3/+1
Now that all KERN_<LEVEL> uses are prefixed with ASCII SOH, there is no need for a KERN_CONT. Keep it backward compatible by adding #define KERN_CONT "" Reduces kernel image size a thousand bytes. Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31printk: only look for prefix levels in kernel messagesJoe Perches1-15/+17
vprintk_emit() prefix parsing should only be done for internal kernel messages. This allows existing behavior to be kept in all cases. Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay@vrfy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31printk: convert the format for KERN_<LEVEL> to a 2 byte patternJoe Perches2-13/+16
Instead of "<.>", use an ASCII SOH for the KERN_<LEVEL> prefix initiator. This saves 1 byte per printk, thousands of bytes in a normal kernel. No output changes are produced as vprintk_emit converts these uses to "<.>". Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31sound: use printk_get_level and printk_skip_levelJoe Perches1-4/+9
Make the output logging routine independent of the KERN_<LEVEL> style. Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31btrfs: use printk_get_level and printk_skip_level, add __printf, fix falloutJoe Perches4-8/+50
Use the generic printk_get_level() to search a message for a kern_level. Add __printf to verify format and arguments. Fix a few messages that had mismatches in format and arguments. Add #ifdef CONFIG_PRINTK blocks to shrink the object size a bit when not using printk. [akpm@linux-foundation.org: whitespace tweak] Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31arch: remove direct definitions of KERN_<LEVEL> usesJoe Perches3-5/+7
Add #include <linux/kern_levels.h> so that the #define KERN_<LEVEL> macros don't have to be duplicated. Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Russell King <linux@arm.linux.org.uk> Cc: Kay Sievers <kay@vrfy.org> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31printk: add kern_levels.h to make KERN_<LEVEL> available for asm useJoe Perches2-18/+23
Separate the printk.h file into 2 pieces so the definitions can be used in asm files. Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31printk: add generic functions to find KERN_<LEVEL> headersJoe Perches2-5/+35
The current form of a KERN_<LEVEL> is "<.>". Add printk_get_level and printk_skip_level functions to handle these formats. These functions centralize tests of KERN_<LEVEL> so a future modification can change the KERN_<LEVEL> style and shorten the number of bytes consumed by these headers. [akpm@linux-foundation.org: fix build error and warning] Signed-off-by: Joe Perches <joe@perches.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Wu Fengguang <wfg@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31kmsg: /dev/kmsg - properly return possible copy_from_user() failureKay Sievers1-1/+3
Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Kay Sievers <kay@vrfy.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31drivers/misc/ti-st/st_core.c: missing NULL checkAlan Cox1-0/+5
Addresses https://bugzilla.kernel.org/show_bug.cgi?44431 Reported-by: <rucsoftsec@gmail.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Pavan Savoy <pavan_savoy@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31kernel/sys.c: avoid argv_free(NULL)Andrew Morton1-19/+25
If argv_split() failed, the code will end up calling argv_free(NULL). Fix it up and clean things up a bit. Addresses Coverity report 703573. Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Kees Cook <keescook@chromium.org> Cc: Serge Hallyn <serge.hallyn@canonical.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: WANG Cong <xiyou.wangcong@gmail.com> Cc: Alan Cox <alan@linux.intel.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31NMI watchdog: fix for lockup detector breakage on resumeSameer Nanda3-2/+30
On the suspend/resume path the boot CPU does not go though an offline->online transition. This breaks the NMI detector post-resume since it depends on PMU state that is lost when the system gets suspended. Fix this by forcing a CPU offline->online transition for the lockup detector on the boot CPU during resume. To provide more context, we enable NMI watchdog on Chrome OS. We have seen several reports of systems freezing up completely which indicated that the NMI watchdog was not firing for some reason. Debugging further, we found a simple way of repro'ing system freezes -- issuing the command 'tasket 1 sh -c "echo nmilockup > /proc/breakme"' after the system has been suspended/resumed one or more times. With this patch in place, the system freeze result in panics, as expected. These panics provide a nice stack trace for us to debug the actual issue causing the freeze. [akpm@linux-foundation.org: fiddle with code comment] [akpm@linux-foundation.org: make lockup_detector_bootcpu_resume() conditional on CONFIG_SUSPEND] [akpm@linux-foundation.org: fix section errors] Signed-off-by: Sameer Nanda <snanda@chromium.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Don Zickus <dzickus@redhat.com> Cc: Mandeep Singh Baines <msb@chromium.org> Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31panic: fix a possible deadlock in panic()Vikram Mulukutla1-0/+8
panic_lock is meant to ensure that panic processing takes place only on one cpu; if any of the other cpus encounter a panic, they will spin waiting to be shut down. However, this causes a regression in this scenario: 1. Cpu 0 encounters a panic and acquires the panic_lock and proceeds with the panic processing. 2. There is an interrupt on cpu 0 that also encounters an error condition and invokes panic. 3. This second invocation fails to acquire the panic_lock and enters the infinite while loop in panic_smp_self_stop. Thus all panic processing is stopped, and the cpu is stuck for eternity in the while(1) inside panic_smp_self_stop. To address this, disable local interrupts with local_irq_disable before acquiring the panic_lock. This will prevent interrupt handlers from executing during the panic processing, thus avoiding this particular problem. Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31avr32: fix build error in ATSTK1002 codeFengguang Wu1-1/+1
Fix the error arch/avr32/boards/atstk1000/atstk1002.c:100: error: 'num_partitions' undeclared here (not in a function) which was introduced by commit 1754aab9bb86 ("mtd: ATMEL, AVR32: inline nand partition table access "). Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31clk: validate pointer in __clk_disable()Fengguang Wu1-0/+3
clk_get() returns -ENOENT on error and some careless caller might dereference it without error checking: In mxc_rnga_remove(): struct clk *clk = clk_get(&pdev->dev, "rng"); // ... clk_disable(clk); Since it's insane to audit the lots of existing and future clk users, let's add a check in the callee to avoid kernel panic and warn about any buggy user. Cc: Russell King <rmk@arm.linux.org.uk> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Viresh Kumar <viresh.kumar@st.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31arch/arm/mach-netx/fb.c: reuse dummy clk routines for CONFIG_HAVE_CLK=nViresh Kumar1-23/+0
mach-netx had its own implementation of clk routines like, clk_get{put}, clk_enable{disable}, etc. And with introduction of following patchset: https://lkml.org/lkml/2012/4/24/154 we get compilation error for multiple definition of these routines. Sascha had following suggestion to deal with it: http://www.spinics.net/lists/arm-kernel/msg179369.html So, remove this code completely. Signed-off-by: Viresh Kumar <viresh.kumar2@arm.com> Reported-by: Paul Gortmaker <paul.gortmaker@gmail.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31usb/host/r8a66597: remove conditional compilation of clk codeViresh Kumar2-17/+0
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31gadget/r8a66597: remove conditional compilation of clk codeViresh Kumar2-13/+3
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31gadget/m66592: remove conditional compilation of clk codeViresh Kumar2-13/+1
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31net/stmmac: remove conditional compilation of clk codeViresh Kumar2-58/+17
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. This also fixes error paths of probe(), as a goto is required in this patch. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Acked-by: David S. Miller <davem@davemloft.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31net/c_can: remove conditional compilation of clk codeViresh Kumar1-8/+0
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: David S. Miller <davem@davemloft.net> Cc: Bhupesh Sharma <bhupesh.sharma@st.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31ata/pata_arasan: remove conditional compilation of clk codeViresh Kumar1-13/+1
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31usb/musb: remove conditional compilation of clk codeViresh Kumar1-8/+0
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. musb also has these dummy macros defined locally. Remove them as they aren't required anymore. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: Jeff Garzik <jgarzik@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31usb/marvell: remove conditional compilation of clk codeViresh Kumar1-9/+0
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. Marvell usb also has these dummy macros defined locally. Remove them as they aren't required anymore. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31i2c/i2c-pxa: remove conditional compilation of clk codeViresh Kumar1-7/+0
With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif macros. pxa i2c also has these dummy macros defined locally. Remove them as they aren't required anymore. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31clk: remove redundant depends on from drivers/KconfigViresh Kumar1-1/+0
menu "Common Clock Framework" has "depends on COMMON_CLK" and so configs defined within menu don't require these "depends on COMMON_CLK again". Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Bhupesh Sharma <bhupesh.sharma@st.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31clk: add non CONFIG_HAVE_CLK routinesViresh Kumar1-59/+109
Many drivers are shared between architectures that may or may not have HAVE_CLK selected for them. To remove compilation errors for them we enclose clk_*() calls in these drivers within #ifdef CONFIG_HAVE_CLK, #endif. This patch removes the need of these CONFIG_HAVE_CLK statements, by introducing dummy routines when HAVE_CLK is not selected by platforms. So, definition of these routines will always be available. These calls will return error for platforms that don't select HAVE_CLK. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Bhupesh Sharma <bhupesh.sharma@st.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Mike Turquette <mturquette@linaro.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: viresh kumar <viresh.linux@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31avr32/mm/fault.c: port OOM changes to do_page_faultKautuk Consul1-8/+25
Commits d065bd810b6d ("mm: retry page fault when blocking on disk transfer") and 37b23e0525d3 ("x86,mm: make pagefault killable") introduced changes into the x86 pagefault handler for making the page fault handler retryable as well as killable. These changes reduce the mmap_sem hold time, which is crucial during OOM killer invocation. Port these changes to AVR32. [akpm@linux-foundation.org: fix comment layout] Signed-off-by: Mohd. Faris <mohdfarisq2010@gmail.com> Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com> Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31alpha: remove mysterious if zero-ed out includesPaul Bolle1-12/+0
There's a small group of odd looking includes in smc37c669.c. These includes appear to be if zero-ed out ever since they were added to the tree (in v2.1.89). Their purpose is unclear to me. Perhaps they were used in someones build system. Whatever their purpose was, nothing else uses something comparable. This entire if zero-ed out block might as well be removed. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31xtensa/mm/fault.c: port OOM changes to do_page_faultKautuk Consul1-5/+24
Commits d065bd810b6d ("mm: retry page fault when blocking on disk transfer") and 37b23e0525d3 ("x86,mm: make pagefault killable") introduced changes into the x86 pagefault handler for making the page fault handler retryable as well as killable. These changes reduce the mmap_sem hold time, which is crucial during OOM killer invocation. Port these changes to xtensa. Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com> Acked-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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