- 22 Feb, 2013 40 commits
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Torben Hohn authored
[akpm@linux-foundation.org: checkpatch fixes] Signed-off-by:
Torben Hohn <torbenh@linutronix.de> Cc: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Laxman Dewangan authored
All interrupt get disabled during system suspend and enabled during system resume. The enabling/disabling of interrupt happen in sequence of interrupt registration with framework. Therefore, in resume, the parent interrupt of this device enabled before the RTC irq interrupt enabled. If RTC is enabled for alarm wake and if system wake by alarm then there is interrupt pending for RTC. In resume, the parent interrupt get enabled before the rtc interrupt and hence ISR get served. In ISR, it founds that rtc interrupt is disabled and so it does not call the rtc isr handler and hence it misses the interrupt. Setting flag for early resume so that rtc interrupt get enabled before parent interrupt and so rtc interrupt get enabled when parent interrupt handler check for interrupt of device and call the rtc handler if it is there. This way it will not miss the interrupt. Signed-off-by:
Laxman Dewangan <ldewangan@nvidia.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by:
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Laxman Dewangan authored
Use SET_SYSTEM_SLEEP_PM_OPS for setting suspend/resume callbacks for dev_pm_ops. Signed-off-by:
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Laxman Dewangan authored
The driver stores the interrupt enable register before going to suspend and restore in resume. Also it enables alarm before going to suspend. The driver only write the Interrupt enable register for enabling ALARM and does not enable any other bits. So it is not require to save complete register and enable ALARM interrupt before suspend and restore in resume. Also ALARM interrupt already enable if alarm is enabled before going to suspend and hence it is not require to enable explictly in suspend. Removing such above code. Signed-off-by:
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Laxman Dewangan authored
Making the rtc driver as wakeup capabale and leaving the wake enable/disable decision to user space through a sysfs attribute. In suspend, enable wake if device wakeup enabled. In resume disable wake again. This change is inline with the Documentation/power/devices.txt# /sys/devices/.../power/wakeup files Signed-off-by:
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Laxman Dewangan authored
Add an RTC driver for TPS80031/TPS80032 chips by TI. This driver supports: - Setting and getting time and date. - Setting and reading alarm time. - Alarm and interrupt functionlity. [akpm@linux-foundation.org: remove obsolete __devinit/__devexit] Signed-off-by:
Devendra Naga <devendra.aaru@gmail.com> Signed-off-by:
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Kim, Milo authored
TI LP8788 PMU supports regulators, battery charger, RTC, ADC, backlight driver and current sinks. This patch enables LP8788 rtc module. Signed-off-by:
Milo(Woogyom) Kim <milo.kim@ti.com> Cc: "devendra.aaru" <devendra.aaru@gmail.com> Signed-off-by:
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Srinivas Kandagatla authored
Remove removes some code duplication by using module_platform_driver(). Signed-off-by:
Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by:
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Peter Senna Tschudin authored
Found by Coccinelle: http://coccinelle.lip6.fr/Signed-off-by:
Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by:
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Haojian Zhuang authored
pxa-rtc is widely used in pxa27x/pxa3xx/pxa93x/pxa95x. Checking cpuid in pxa-rtc driver is unnecessary since we assign on-chip device in soc files. Signed-off-by:
Haojian Zhuang <haojian.zhuang@marvell.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by:
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Sachin Kamat authored
This eliminates having an #ifdef returning NULL for the case when OF is disabled. Maintains consistency in cases where OF is always selected. Signed-off-by:
Sachin Kamat <sachin.kamat@linaro.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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Jesper Nilsson authored
Implement reading of the battery voltage low signal for rtc-pcf8523. The bit is read-only and cannot be cleared by software, so no clear function is implemented. [akpm@linux-foundation.org: omit pcf8563_rtc_ioctl() if CONFIG_RTC_INTF_DEV=n] Signed-off-by:
Jesper Nilsson <jesper.nilsson@axis.com> Reviewed-by:
Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by:
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Jonghwa Lee authored
Add a driver to support max77686 rtc. MAX77686 rtc support smpl and wtsr mode. It has two alarm register which can be used for alarming to wake system up. This drvier uses regmap to access its register. [akpm@linux-foundation.org: remove inline, __devinit annotations] [jg1.han@samsung.com: fix build warnings] [akpm@linux-foundation.org: simplify code] Signed-off-by:
Chiwoong Byun <woong.byun@samsung.com> Signed-off-by:
Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by:
Myugnjoo Ham <myungjoo.ham@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by:
Jingoo Han <jg1.han@samsung.com> Signed-off-by:
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Leo Song authored
Fix alarm can't wake up system issue Signed-off-by:
Leo Song <liangs@marvell.com> Signed-off-by:
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Leo Song authored
Fix pxa rtc alarm issue by setting week of month and day of week in rdar/rdcr or it would not match. Signed-off-by:
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Andy Shevchenko authored
Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Yuanhan Liu authored
We can use user_ns, which is also assigned from task_cred_xxx(tsk, user_ns), at the beginning of copy_namespaces(). Signed-off-by:
Yuanhan Liu <yuanhan.liu@linux.intel.com> Acked-by:
Serge Hallyn <serge.hallyn@canonical.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
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Zhang Yanfei authored
In fill_elf_header(), elf->e_ident[EI_OSABI] is always set to ELF_OSABI, so remove the unused argument 'osabi'. Signed-off-by:
Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Bruce Allan authored
Do not test udelay() for a value less than 10usec when passed a variable instead of a hard-coded number; there is no way for checkpatch to know the value of the variable. As it is today, it will complain about variables with alphanumeric characters plus '_', e.g. foo_bar, but not variables with other characters, eg. foo->bar. Signed-off-by:
Bruce Allan <bruce.w.allan@intel.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by:
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Joe Perches authored
kcalloc is sometimes misused with the first and second arguments switched. Same issue with kmalloc_array too. Bleat if sizeof is the first argument Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Joe Perches authored
I'm getting a ton of these: WARNING: Avoid CamelCase: <PageTransHuge> #140: FILE: mm/migrate.c:1576: + if (PageTransHuge(page) && page_count(page) != 3) { So exclude anything which starts with "Page". Tested-by: -
Joe Perches authored
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Joe Perches authored
Get people to stop adding __devinit and __devexit section markings. Signed-off-by:
Andy Whitcroft <apw@canonical.com> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Joe Perches authored
Add YA check to printk style. dev_<level> uses are functions and generate smaller object code than dev_printk(KERN_<LEVEL>. Signed-off-by:
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Florian Fainelli authored
Change the defautl XZ_DEC_* config symbol to match the configured architecture. It is perfectly legitimate to support multiple XZ BCJ filters for different architectures (e.g.: to mount foreign squashfs/xz compressed filesystems), it is however more natural not to select them all by default, but only the one matching the configured architecture. Signed-off-by:
Florian Fainelli <florian@openwrt.org> Acked-by:
Lasse Collin <lasse.collin@tukaani.org> Signed-off-by:
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Florian Fainelli authored
Remove the XZ_DEC_* depedencey on CONFIG_EXPERT as recommended by Lasse Colin. Signed-off-by:
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Florian Fainelli authored
Group all architecture-specific BCJ filter configuration symbols under an if XZ_BCJ / endif statement. Signed-off-by:
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Namjae Jeon authored
match_number() has return values of -ENOMEM, -EINVAL and -ERANGE. So, for all the functions calling match_number, the return value should include these values. Fix up the comments to reflect the correct values. Signed-off-by:
Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by:
Amit Sahrawat <a.sahrawat@samsung.com> Signed-off-by:
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Kim, Milo authored
Getting the brightness value is not critical, no need to read the actual register value. To simplify it, just return the 'bl->props.brightness' value. Then, lp855x_read_byte() can be removed, not used any more. Signed-off-by:
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Kim, Milo authored
LP8557 is one of LP855x family device, but it has different register map and initialization process. To support this device, device specific configuration is done through the lp855x_device_config structure. Few register definitions are fixed for better readability. BRIGHTNESS_CTRL -> LP855X_BRIGHTNESS_CTRL DEVICE_CTRL -> LP855X_DEVICE_CTRL EEPROM_START -> LP855X_EEPROM_START EEPROM_END -> LP855X_EEPROM_END EPROM_START -> LP8556_EPROM_START EPROM_END -> LP8556_EPROM_END And LP8557 register definitions are added. New register function, lp855x_update_bit() is added. Signed-off-by:
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Kim, Milo authored
At this moment, LP855x device driver has fixed register configuration. For example, fixed register addresses and values are set on the device initialization. But new device of LP855x family, LP8557 has different register map and initialization sequence. To support new device architecture, initialization process should be changed. Introduce new structure: lp855x_device_config ============================================= With lp855x_device_config, device specific features are configurable. Use configurable function calls and register addresses rather than fixed values. Change on device initialization =============================== In old LP855x driver architecture, the device initialization was simple. - Just update the brightness/device control register/ROM area(optional). In new LP855x driver architecture, two more works are added - pre_init and post_init. Those init functions are optional, used for new device LP8557. New device initialization flow: generic sequence ================================================= 1) pre_init_device() 2) update the brightness register 3) update the device control register 4) update ROM area if need 5) post_init_device() Name change =========== Use generic name 'lp855x_configure()' instead of 'lp855x_init_registers()'. Signed-off-by:
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Lars-Peter Clausen authored
Clearing the NSTBY bit in the control register also automatically clears the BLEN bit. So we need to make sure to set it again during resume, otherwise the backlight will stay off. Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Acked-by:
Michael Hennerich <michael.hennerich@analog.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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Jingoo Han authored
There is no need to return -EIO, because backlight_device_register() already returns correct error values. Signed-off-by:
Daniel Jeong <daniel.jeong@ti.com> Signed-off-by:
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Dan Carpenter authored
gamma_table has 3 arrays which each hold MAX_GAMMA_LEVEL pointers to int. The current code sets ->gamma_table_count to 6 on 64bit arches and to 3 on 32 bit arches. It should be 3 on everything. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Cc: Jingoo Han <jg1.han@samsung.com> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by:
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Axel Lin authored
of_find_node_by_name() returns a node pointer with refcount incremented, use of_node_put() on it when done. of_find_node_by_name() will call of_node_put() against the node pass to from parameter, thus we also need to call of_node_get(from) before calling of_find_node_by_name(). Signed-off-by:
Axel Lin <axel.lin@ingics.com> Cc: Jingoo Han <jg1.han@samsung.com> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by:
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Guennadi Liakhovetski authored
This is an initial commit of a backlight driver, using step-up DCDC power supplies on AS3711 PMIC. Only one mode has actually been tested, several further modes have been implemented "dry," but disabled to avoid accidental hardware damage. Anyone wishing to use any of those modes will have to modify the driver. Tested on sh73a0-based kzm9g board. Only one mode has been tested and is enabled. That mode copies the sample code from the manufacturer. Deviations from that code proved to be fatal for the hardware... Signed-off-by:
Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Acked-by:
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Andrew Morton authored
Fix up indenting. Also alphasort all entries, which reduces patch collisions. Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by:
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Maxime Ripard authored
Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Jingoo Han <jg1.han@samsung.com> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: Brian Lilly <brian@crystalfontz.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Joe Perches <joe@perches.com> Signed-off-by:
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Sachin Kamat authored
devm_regulator_bulk_get is device managed and saves some cleanup and exit code. Signed-off-by:
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Axel Lin authored
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