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@@ -375,6 +375,32 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
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}
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EXPORT_SYMBOL_GPL(rtc_set_alarm);
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+/* Called once per device from rtc_device_register */
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+int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
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+{
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+ int err;
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+
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+ err = rtc_valid_tm(&alarm->time);
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+ if (err != 0)
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+ return err;
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+
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+ err = mutex_lock_interruptible(&rtc->ops_lock);
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+ if (err)
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+ return err;
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+
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+ rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
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+ rtc->aie_timer.period = ktime_set(0, 0);
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+ if (alarm->enabled) {
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+ rtc->aie_timer.enabled = 1;
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+ timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
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+ }
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+ mutex_unlock(&rtc->ops_lock);
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+ return err;
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+}
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+EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
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+
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+
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+
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int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
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{
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int err = mutex_lock_interruptible(&rtc->ops_lock);
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