diff options
Diffstat (limited to 'drivers/rtc/class.c')
| -rw-r--r-- | drivers/rtc/class.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index c404b61386bf..09b4437b3e61 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -117,6 +117,7 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev, struct module *owner) { struct rtc_device *rtc; + struct rtc_wkalrm alrm; int id, err; if (idr_pre_get(&rtc_idr, GFP_KERNEL) == 0) { @@ -166,6 +167,12 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev, rtc->pie_timer.function = rtc_pie_update_irq; rtc->pie_enabled = 0; + /* Check to see if there is an ALARM already set in hw */ + err = __rtc_read_alarm(rtc, &alrm); + + if (!err && !rtc_valid_tm(&alrm.time)) + rtc_set_alarm(rtc, &alrm); + strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE); dev_set_name(&rtc->dev, "rtc%d", id); |