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| author |   Thomas Gleixner <tglx@linutronix.de> | 2011-04-13 01:54:09 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-04-13 01:54:09 +0200 |
| commit | 92f73a62a100d2068e8f327e573da01529184c18 (patch) | |
| tree | 48a42be3879d8467c1860d3f14045feb6fccd64e /drivers/rtc/interface.c | |
| parent | Linux 2.6.39-rc3 (diff) | |
| parent | RTC: rtc-mrst: follow on to the change of rtc_device_register() (diff) | |
| download | wireguard-linux-92f73a62a100d2068e8f327e573da01529184c18.tar.xz wireguard-linux-92f73a62a100d2068e8f327e573da01529184c18.zip | |
Merge branch 'fortglx/39/tip/timers/rtc' of git://git.linaro.org/people/jstultz/linux into timers/urgent
Diffstat (limited to 'drivers/rtc/interface.c')
| -rw-r--r-- | drivers/rtc/interface.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 23719f0acbf6..ef6316acec43 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -375,6 +375,32 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) } EXPORT_SYMBOL_GPL(rtc_set_alarm); +/* Called once per device from rtc_device_register */ +int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) +{ + int err; + + err = rtc_valid_tm(&alarm->time); + if (err != 0) + return err; + + err = mutex_lock_interruptible(&rtc->ops_lock); + if (err) + return err; + + rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time); + rtc->aie_timer.period = ktime_set(0, 0); + if (alarm->enabled) { + rtc->aie_timer.enabled = 1; + timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node); + } + mutex_unlock(&rtc->ops_lock); + return err; +} +EXPORT_SYMBOL_GPL(rtc_initialize_alarm); + + + int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled) { int err = mutex_lock_interruptible(&rtc->ops_lock); |