rtc: sysfs: check features instead of ops

Test RTC_FEATURE_ALARM instead of relying on .set_alarm to know whether alarms are available. Signed-off-by: Alexandre Belloni <[email protected]> Link: https://lore.kernel.org/r/[email protected]
jerrinot · Apr 29, 2021 · 4d0185e · 4d0185e
1 parent e463786
commit 4d0185e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/rtc/sysfs.c b/drivers/rtc/sysfs.c
@@ -273,7 +273,7 @@ static bool rtc_does_wakealarm(struct rtc_device *rtc)
 	if (!device_can_wakeup(rtc->dev.parent))
 		return false;
 
-	return rtc->ops->set_alarm != NULL;
+	return !!test_bit(RTC_FEATURE_ALARM, rtc->features);
 }
 
 static umode_t rtc_attr_is_visible(struct kobject *kobj,