The PCF2127 doesn't support UIE because setting an alarm to fire every second confuses the chip and the fastest we can go is an alarm every 2 seconds. Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-pcf2127.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index f8469b134411..63b275b014bd 100644 --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -656,6 +656,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, pcf2127->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; pcf2127->rtc->range_max = RTC_TIMESTAMP_END_2099; pcf2127->rtc->set_start_time = true; /* Sets actual start to 1970 */ + set_bit(RTC_FEATURE_ALARM_RES_2S, pcf2127->rtc->features); clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, pcf2127->rtc->features); clear_bit(RTC_FEATURE_ALARM, pcf2127->rtc->features); -- 2.35.1
