rtc: pcf85063: set RTC_FEATURE_ALARM_RES_2S

The PCF85063 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@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-13-alexandre.belloni@bootlin.com

diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c
index 3c24774540636250968953dfe48daa245ba41630..9760824ec199e8dda5a583e0dddd45eb06d4a6ca 100644 (file)
--- a/drivers/rtc/rtc-pcf85063.c
+++ b/drivers/rtc/rtc-pcf85063.c
@@ -616,6 +616,7 @@ static int pcf85063_probe(struct i2c_client *client)
        pcf85063->rtc->ops = &pcf85063_rtc_ops;
        pcf85063->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
        pcf85063->rtc->range_max = RTC_TIMESTAMP_END_2099;
+       set_bit(RTC_FEATURE_ALARM_RES_2S, pcf85063->rtc->features);
        clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, pcf85063->rtc->features);
        clear_bit(RTC_FEATURE_ALARM, pcf85063->rtc->features);