alarm->time.tm_hour = now.tm_hour;
/* For simplicity, only support date rollover for now */
- if (alarm->time.tm_mday == -1) {
+ if (alarm->time.tm_mday < 1 || alarm->time.tm_mday > 31) {
alarm->time.tm_mday = now.tm_mday;
missing = day;
}
- if (alarm->time.tm_mon == -1) {
+ if ((unsigned)alarm->time.tm_mon >= 12) {
alarm->time.tm_mon = now.tm_mon;
if (missing == none)
missing = month;
}
EXPORT_SYMBOL_GPL(rtc_read_alarm);
-static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
-{
- int err;
-
- if (!rtc->ops)
- err = -ENODEV;
- else if (!rtc->ops->set_alarm)
- err = -EINVAL;
- else
- err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
-
- return err;
-}
-
static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
{
struct rtc_time tm;
* over right here, before we set the alarm.
*/
- return ___rtc_set_alarm(rtc, alarm);
+ if (!rtc->ops)
+ err = -ENODEV;
+ else if (!rtc->ops->set_alarm)
+ err = -EINVAL;
+ else
+ err = rtc->ops->set_alarm(rtc->dev.parent, alarm);
+
+ return err;
}
int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
if (rtc->uie_rtctimer.enabled == enabled)
goto out;
+ if (rtc->uie_unsupported) {
+ err = -EINVAL;
+ goto out;
+ }
+
if (enabled) {
struct rtc_time tm;
ktime_t now, onesec;
static void rtc_alarm_disable(struct rtc_device *rtc)
{
- struct rtc_wkalrm alarm;
- struct rtc_time tm;
-
- __rtc_read_time(rtc, &tm);
-
- alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm),
- ktime_set(300, 0)));
- alarm.enabled = 0;
+ if (!rtc->ops || !rtc->ops->alarm_irq_enable)
+ return;
- ___rtc_set_alarm(rtc, &alarm);
+ rtc->ops->alarm_irq_enable(rtc->dev.parent, false);
}
/**