[PATCH 11/29] rtc: pcf2127: set RTC_FEATURE_ALARM_RES_2S

From: Alexandre Belloni
Date: Wed Mar 09 2022 - 11:36:00 EST


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