diff options
| author | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
| commit | d4ab4e6a23f805abb8fc3cc34525eec3788aeca1 (patch) | |
| tree | eefd82c155bc27469a85667d759cd90facf4a6e3 /drivers/rtc/interface.c | |
| parent | c0fa797ae6cd02ff87c0bfe0d509368a3b45640e (diff) | |
| parent | 96fd2d57b8252e16dfacf8941f7a74a6119197f5 (diff) | |
Merge branch 'master'; commit 'v2.6.39-rc3' into next
Diffstat (limited to 'drivers/rtc/interface.c')
| -rw-r--r-- | drivers/rtc/interface.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 8ec6b069a7f..ef6316acec4 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); @@ -454,7 +480,7 @@ EXPORT_SYMBOL_GPL(rtc_update_irq_enable); * @rtc: pointer to the rtc device * * This function is called when an AIE, UIE or PIE mode interrupt - * has occured (or been emulated). + * has occurred (or been emulated). * * Triggers the registered irq_task function callback. */ |