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path: root/drivers/rtc
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2011-03-17[TPS658x RTC] Correct reg RTC_CTRL usageDavid Schalig
Correct PRE_BYPASS (clock scaler 32kHz/1kHz select) bitfield. Add platform data to tune RTC XTAL capacitance in board file. Bug 798832, Tested on Ventana/wake via Alarm Clock Change-Id: I82d67610a815866707fc1db934d7d4d7cf93d883 Reviewed-on: http://git-master/r/22402 Reviewed-by: Varun Colbert <vcolbert@nvidia.com> Tested-by: Varun Colbert <vcolbert@nvidia.com> Reviewed-by: David Schalig <dschalig@nvidia.com> Reviewed-by: Jonathan Mayo <jmayo@nvidia.com>
2011-03-03max8907c rtc: support wake alarmsTom Cherry
This change allows rtc alarms to wake the system. Change-Id: I2a7212fe7cc02b08893fe3a37824b0d39a9f5386 Reviewed-on: http://git-master/r/20101 Tested-by: Thomas Cherry <tcherry@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2011-02-08rtc: tps6586x: avoid enabling/disabling of same irqVarun Wadekar
alarm_irq_enable can enable/disable irqs and the same irq will be enabled/disabled in set_alarm. Bug 770380 Change-Id: Ibd006e83028cea5cd251d789d258a5549bfa34ce Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-on: http://git-master/r/18661 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2011-02-07rtc: tps6586x: enable irqs while settings alarmsVarun Wadekar
Bug 770380 Change-Id: I8950a3ef2259b233b1711b266fa7d29270d95bfd Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-on: http://git-master/r/18565 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2011-02-04max8907c RTC driverTom Cherry
Initial checkin for Maxim max8907c RTC driver Change-Id: I764440cc1b0410e54f480a6e0ce424103052df14 Reviewed-on: http://git-master/r/16615 Reviewed-by: Varun Colbert <vcolbert@nvidia.com> Tested-by: Varun Colbert <vcolbert@nvidia.com>
2011-02-02mfd: tps6586x: fix alarm1 supportVarun Wadekar
instead of clearing the irq for alarm enable/disable, the proper bit in RTC_CONFIG has to be set/cleared. tps6586 does not support 1/sec update counter so remove support for update_irq_enable. replace it with alarm_irq_enable. Change-Id: Iee66a6625e810169253a750faf3f12d20d65d7d9 Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-on: http://git-master/r/17990 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2011-01-27Revert "alarm: disable rtc alarm suspend/resume handlers"Nitin Kumbhar
This reverts commit 0f04e9f691396f4d1e4288fff91ae8f5862dbba3. Enable rtc alarm suspend/resume handlers which were disabled as WAR. BUG 773133 Change-Id: I666fdf92cb716b247eea1933d837f4c2439cd6fd Reviewed-on: http://git-master/r/17179 Tested-by: Nitin Kumbhar <nkumbhar@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-by: Mayuresh Kulkarni <mkulkarni@nvidia.com>
2011-01-18merging android-tegra-2.6.36 into git-master/linux-2.6/android-tegra-2.6.36Nitin Kumbhar
Conflicts: drivers/net/wireless/bcm4329/Makefile Change-Id: I31ce81e09c6f18d6966a5cffebc533453bce02d8
2011-01-12alarm: disable rtc alarm suspend/resume handlersDeepesh Gujarathi
This is a temporary WAR to avoid the undesired "RTC wakeup" issue. The original source of the problem seems to be in userspace. But use this WAR till we find a proper fix. Bug 773133 Change-Id: I20930056f9a33f539699e777ec9ae45bb4bac34f Reviewed-on: http://git-master/r/15487 Reviewed-by: Deepesh Subhash Gujarathi (Engrg-Mobile) <dgujarathi@nvidia.com> Tested-by: Deepesh Subhash Gujarathi (Engrg-Mobile) <dgujarathi@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2011-01-10Merge branch 'android-2.6.36' into android-tegra-2.6.36Colin Cross
2011-01-10rtc: alarm: Update hrtimer if alarm at the head of the queue is reprogrammedArve Hjønnevåg
If an alarm was restarted with a value that moved it away from the head of a queue, the hrtimer would not be updated. This would cause unnecessary wakeups. Change-Id: If379f8dd92b0bdb3173bd8d057adfe0dc1d15259 Signed-off-by: Arve Hjønnevåg <arve@android.com>
2011-01-10merging android-tegra-2.6.36 into git-master/linux-2.6/android-tegra-2.6.36Nitin Kumbhar
Conflicts: arch/arm/mach-tegra/fuse.c drivers/misc/Makefile Change-Id: I300b925d78b31efe00c342190d8dbd50e2e81230
2011-01-09Merge branch 'linux-tegra-2.6.36' into android-tegra-2.6.36Colin Cross
2011-01-09rtc: tps6586x: Fix error in RTC tick calculationsLowell Dennis
In the TPS6586x PMU/PMIC RTC support code, when converting from seconds to ticks using a shift operator, the most significant bits were being lost due to seconds being a 32-bit value and ticks being a 64-bit value. A hard cast was added to avoid this loss. Reviewed-by: Lowell Dennis <ldennis@nvidia.com> Tested-by: Lowell Dennis <ldennis@nvidia.com> Reviewed-by: Jonathan Mayo <jmayo@nvidia.com> Reviewed-by: Peter Zu <pzu@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Signed-off-by: Robert Morell <rmorell@nvidia.com> Signed-off-by: Colin Cross <ccross@android.com>
2011-01-07Merge branch 'linux-tegra-2.6.36' into android-tegra-2.6.36Colin Cross
Conflicts: arch/arm/mm/cache-v6.S Change-Id: I1a2063218dd705a762a40f4a9dfe504ce1a1d491
2011-01-07Merge commit 'v2.6.36.3' into linux-tegra-2.6.36Colin Cross
2011-01-07rtc: rs5c372: fix buffer sizeWolfram Sang
commit 118364948fad7b6c0469ef2d3ddaee447d7a0b5f upstream. Match the buffer size to the amount of initialized values. Before, it was one too big and thus destroyed the neighbouring register causing the clock to run at false speeds. Reported-by: Andre van Rooyen <a.v.rooyen@sercom.nl> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-23ARM: tegra: rtc: set disabled by defaultAmit Kamath
Cleanup comment. Change config. Change-Id: I33ec8d70230672993129e89675aada016286b065 Reviewed-on: http://git-master/r/14080 Reviewed-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
2010-12-21ARM: tegra: Driver for internal RTC and alarmAmit Kamath
Implementation using internal RTC(real time clock). Alarm wake up from lp0/lp1 is supported. Use option CONFIG_RTC_DRV_TEGRA to enable. Change-Id: Iadb767b35423463186eca32b8f47694a59aee7f4 Reviewed-on: http://git-master/r/13780 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
2010-12-02ARM: tegra: rtc: Fix error in RTC tick calculations.Lowell Dennis
In the TPS6586x PMU/PMIC RTC support code, when converting from seconds to ticks using a shift operator, the most significant bits were being lost due to seconds being a 32-bit value and ticks being a 64-bit value. A hard cast was added to avoid this loss. Fixes: NVBug 754198 and 751811 Change-Id: I91c3dbd8474c11b3a11f1d3a13eacd213e80cd1a Reviewed-on: http://git-master/r/11845 Reviewed-by: Lowell Dennis <ldennis@nvidia.com> Tested-by: Lowell Dennis <ldennis@nvidia.com> Reviewed-by: Jonathan Mayo <jmayo@nvidia.com> Reviewed-by: Peter Zu <pzu@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
2010-10-21Merge commit 'v2.6.36' into android-2.6.36Dima Zavin
2010-10-15Merge branch 'linux-tegra-2.6.36' into android-tegra-2.6.36Colin Cross
2010-10-15Merge commit 'v2.6.36-rc8' into linux-tegra-2.6.36Colin Cross
2010-10-06Merge branch 'android-2.6.36' into android-tegra-2.6.36Colin Cross
Conflicts: drivers/input/touchscreen/Kconfig Change-Id: Ifc75266e258f9513d78c47c12e2f1de1d2344f02
2010-10-06rtc: tps6586x: add alarm support to tps6586x driverGary King
Signed-off-by: Gary King <gking@nvidia.com>
2010-10-06mfd: tps6586x: add RTC driver for TI TPS6586xGary King
Change-Id: Ie22a19b662fda6365b1c514aaf83c9de12fabbd4 Signed-off-by: Gary King <gking@nvidia.com>
2010-09-30i2c: Remove obsolete cleanup for clientdataWolfram Sang
A few new i2c-drivers came into the kernel which clear the clientdata-pointer on exit. This is obsolete meanwhile, so fix it and hope the word will spread. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-09-29rtc: alarm: Don't use save_time_delta.Arve Hjønnevåg
Change-Id: Iaefeca497de02fe36b7f5d79075912f6e349ec53 Signed-off-by: Arve Hjønnevåg <arve@android.com>
2010-09-29rtc: Try to prevent RTC errors from accumulating.Arve Hjønnevåg
When we resume we only know how many whole seconds has elapsed. These errors would accumulate in delta. We now only set the delta if it would change by more than two seconds. If we drift back by by more than a second add one in resume. Signed-off-by: Arve Hjønnevåg <arve@android.com>
2010-09-29rtc: alarm: Add in-kernel alarm interfaceArve Hjønnevåg
Drivers can now create alarms that will use an hrtimer while the system is running and the rtc to wake up from suspend. Signed-off-by: Arve Hjønnevåg <arve@android.com>
2010-09-29rtc: Add android alarm driver.Arve Hjønnevåg
2010-09-22rtc: s3c: balance state changes of wakeup flagVladimir Zapolskiy
This change resolves a problem about unbalanced calls of enable_irq_wakeup() and disable_irq_wakeup() for alarm interrupt. Bug reproduction: root@eb600:~# echo 0 > /sys/class/rtc/rtc0/wakealarm WARNING: at kernel/irq/manage.c:361 set_irq_wake+0x7c/0xe4() Unbalanced IRQ 46 wake disable Modules linked in: [<c0025708>] (unwind_backtrace+0x0/0xd8) from [<c003358c>] (warn_slowpath_common+0x44/0x5c) [<c003358c>] (warn_slowpath_common+0x44/0x5c) from [<c00335dc>] (warn_slowpath_fmt+0x24/0x30) [<c00335dc>] (warn_slowpath_fmt+0x24/0x30) from [<c0058c20>] (set_irq_wake+0x7c/0xe4) [<c0058c20>] (set_irq_wake+0x7c/0xe4) from [<c01b5e80>] (s3c_rtc_setalarm+0xa8/0xb8) [<c01b5e80>] (s3c_rtc_setalarm+0xa8/0xb8) from [<c01b47a0>] (rtc_set_alarm+0x60/0x74) [<c01b47a0>] (rtc_set_alarm+0x60/0x74) from [<c01b5a98>] (rtc_sysfs_set_wakealarm+0xc8/0xd8) [<c01b5a98>] (rtc_sysfs_set_wakealarm+0xc8/0xd8) from [<c01891ec>] (dev_attr_store+0x20/0x24) [<c01891ec>] (dev_attr_store+0x20/0x24) from [<c00be934>] (sysfs_write_file+0x104/0x13c) [<c00be934>] (sysfs_write_file+0x104/0x13c) from [<c0080e7c>] (vfs_write+0xb0/0x158) [<c0080e7c>] (vfs_write+0xb0/0x158) from [<c0080fcc>] (sys_write+0x3c/0x68) [<c0080fcc>] (sys_write+0x3c/0x68) from [<c0020ec0>] (ret_fast_syscall+0x0/0x28) Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Ben Dooks <ben@fluff.org.uk> Cc: Atul Dahiya <atul.dahiya@samsung.com> Cc: Taekgyun Ko <taeggyun.ko@samsung.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-09-22drivers/rtc/rtc-ab3100.c: add missing platform_set_drvdata() in ↵Axel Lin
ab3100_rtc_probe() Otherwise, calling platform_get_drvdata() in ab3100_rtc_remove() returns NULL. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by:Wan ZongShun <mcuos.com@gmail.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-09-09drivers/rtc/rtc-pl031.c: do not mark PL031 IRQ as sharedLinus Walleij
It was a mistake to mark the PL031 IRQ as shared (for the U8500), we misread the datasheet. Get rid of this. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Cc: Jonas Aberg <jonas.aberg@stericsson.com> Cc: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-09-09rtc: m41t80: do not use rtc_valid_tm in m41t80_rtc_read_alarmAtsushi Nemoto
Commit b485fe5ea ("rtc/m41t80: use rtc_valid_tm() to check returned tm") added rtc_valid_tm to m41t80_rtc_read_alarm() but it was wrong while the t->time does not contain complete date/time. This patch also fixes a warning: warning: passing argument 1 of 'rtc_valid_tm' from incompatible pointer type Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-09-09rtc-bfin: fix state restoration when resumingMike Frysinger
Much (but not all) of the RTC state is kept in the RTC peripheral which has its own power domain. Periodically (1 HZ), that state is synced from one power domain to the other (peripheral->core). When we are resuming, we need to wait for the sync to occur so that we don't get a mismatch of reading undefined state in the rest of the driver. Further, once the externally maintained bits have been synced back into the core, we then need to restore the bits maintained in the core. In our particular case, that is just the write completion interrupt bit. If we don't do any of this, working with the RTC causes ~5 second delays from time to time after waking up due to the write completion interrupt never firing. Reported-by: Michael Dean <mdean@aeronix.com> Reported-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-09-09rtc-bfin: fix inverted logic in suspend pathMike Frysinger
The int_clear helper takes a bitmask of interrupts to keep, not to disable. When suspending without wakeup enabled, we want to disable all interrupts, so use 0 (keep none) instead of -1 (keep all). Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-12Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6: mmc_spi: Fix unterminated of_match_table of/sparc: fix build regression from of_device changes of/device: Replace struct of_device with struct platform_device
2010-08-11Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (226 commits) ARM: 6323/1: cam60: don't use __init for cam60_spi_{flash_platform_data,partitions} ARM: 6324/1: cam60: move cam60_spi_devices to .init.data ARM: 6322/1: imx/pca100: Fix name of spi platform data ARM: 6321/1: fix syntax error in main Kconfig file ARM: 6297/1: move U300 timer to dynamic clock lookup ARM: 6296/1: clock U300 intcon and timer properly ARM: 6295/1: fix U300 apb_pclk split ARM: 6306/1: fix inverted MMC card detect in U300 ARM: 6299/1: errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID ARM: 6294/1: etm: do a dummy read from OSSRR during initialization ARM: 6292/1: coresight: add ETM management registers ARM: 6288/1: ftrace: document mcount formats ARM: 6287/1: ftrace: clean up mcount assembly indentation ARM: 6286/1: fix Thumb-2 decompressor broken by "Auto calculate ZRELADDR" ARM: 6281/1: video/imxfb.c: allow usage without BACKLIGHT_CLASS_DEVICE ARM: 6280/1: imx: Fix build failure when including <mach/gpio.h> without <linux/spinlock.h> ARM: S5PV210: Fix on missing s3c-sdhci card detection method for hsmmc3 ARM: S5P: Fix on missing S5P_DEV_FIMC in plat-s5p/Kconfig ARM: S5PV210: Override FIMC driver name on Aquila board ARM: S5PC100: enable FIMC on SMDKC100 ... Fix up conflicts in arch/arm/mach-{s5pc100,s5pv210}/cpu.c due to different subsystem 'setname' calls, and trivial port types in include/linux/serial_core.h
2010-08-11rtc: rp5c01: add NVRAM supportGeert Uytterhoeven
The Ricoh RP5C01 RTC contains 26 x 4 bits of NVRAM. Provide access to it via a sysfs "nvram" attribute file. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11drivers/rtc: remove unneeded ifdef CONFIG_PMChristian Dietrich
Because CONFIG_PM is a precondition to CONFIG_ACPI, the ifdef CONFIG_PM within ifdef CONFIG_ACPI is redundant. Signed-off-by: Christian Dietrich <qy03fugy@stud.informatik.uni-erlangen.de> Acked-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc-isl12022: properly handle military hour formatRoman Fietze
Mask out PM flag when reading the hour, always set MIL bit when writing the hour. Signed-off-by: Roman Fietze <roman.fietze@telemotive.de> Acked-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc: add support for DS3232 RTCRoy Zang
Add a driver for the DS3232 RTC chip via the I2C bus. Alarms are not supported in this version of the driver. [akpm@linux-foundation.org: fix Kconfig help text] Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com> Signed-off-by: Jingchang Lu <b22599@freescale.com> Signed-off-by: Srikanth Srinivasan <srikanth.srinivasan@freescale.com> Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Acked-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Kumar Gala <kumar.gala@freescale.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc/nuc900: fix build warningWan ZongShun
Remove unused local variable. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc/nuc900: modify enable/disable IRQs and driver data setting locationWan ZongShun
This patch does two modifications: (1) Adjust enable/disable IRQs location,enable it after rtc registration and disable it prior to unregistration. (2) Put 'platform_set_drvdata(pdev, nuc900_rtc)' in front of rtc registration still be safety, though there is no need to do this, when I move enable irq after rtc registration, I think still put 'platform_set_drvdata' before rtc registration that would be a good habit. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc/nuc900: make returning time checking function validWan ZongShun
Make returning time checking function valid. In spite of using the 'rtc_valid_tm', nevertheless, the read time function omits its returning value, that means the 'rtc_valid_tm' is useless here. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc/m48t86: use rtc_valid_tm() to check returned tmWan ZongShun
Use rtc_valid_tm() to check the returned struct rtc_time *tm, to avoid returning a wrong tm value. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Paul Gortmaker <p_gortmaker@yahoo.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc/m48t59: use rtc_valid_tm() to check returned tmWan ZongShun
Use rtc_valid_tm to check the returned struct rtc_time *tm, to avoid returning a wrong tm value. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Paul Gortmaker <p_gortmaker@yahoo.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc/max6900: use rtc_valid_tm() to check returning tmWan ZongShun
Use rtc_valid_tm() to check returning tm for max6900, it can avoid returning wrong tm value. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Acked-by: Dale Farnsworth <dale@farnsworth.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11rtc/m41t80: use rtc_valid_tm() to check returned tmWan ZongShun
Use rtc_valid_tm() to check returned struct rtc_time *tm - it can avoid returning wrong tm value. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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