[PATCH] PM / sleep: check RTC features instead of ops in suspend_test

From: Alexandre Belloni
Date: Wed Aug 04 2021 - 06:44:39 EST


Test RTC_FEATURE_ALARM instead of relying on ops->set_alarm to know whether
alarms are available.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
kernel/power/suspend_test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c
index e1ed58adb69e..d20526c5be15 100644
--- a/kernel/power/suspend_test.c
+++ b/kernel/power/suspend_test.c
@@ -129,7 +129,7 @@ static int __init has_wakealarm(struct device *dev, const void *data)
{
struct rtc_device *candidate = to_rtc_device(dev);

- if (!candidate->ops->set_alarm)
+ if (!test_bit(RTC_FEATURE_ALARM, candidate->features))
return 0;
if (!device_may_wakeup(candidate->dev.parent))
return 0;
--
2.31.1