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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2021-04-29 23:44:03 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-04-29 23:51:18 +0200
commit4d0185e67806a233c423c1668e87e137fbda192c (patch)
treeebc6f85836ddd38e37336360643e43dcc83f485b /drivers
parentrtc: omap: use rtc_write to access OMAP_RTC_OSC_REG (diff)
downloadlinux-4d0185e67806a233c423c1668e87e137fbda192c.tar.xz
linux-4d0185e67806a233c423c1668e87e137fbda192c.zip
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 <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210429214403.2610952-1-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/rtc/sysfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/sysfs.c b/drivers/rtc/sysfs.c
index 8a957d31a1a4..74026f67fdfb 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,