From 4d0185e67806a233c423c1668e87e137fbda192c Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Thu, 29 Apr 2021 23:44:03 +0200 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20210429214403.2610952-1-alexandre.belloni@bootlin.com --- drivers/rtc/sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/sysfs.c b/drivers/rtc/sysfs.c index 8a957d3..74026f6 100644 --- 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, -- 2.7.4