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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2022-03-09 17:22:42 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2022-03-23 19:58:39 +0100
commitbda1027358e72e6255f11a4b59c375f138a2dd10 (patch)
treedca9567d7ec1e714abaed3e570b66804e66046b4 /drivers/rtc/rtc-pcf2127.c
parent689fafd5b53ac223ba7c7b83aebe1c78ce7db46c (diff)
downloadlinux-bda1027358e72e6255f11a4b59c375f138a2dd10.tar.gz
rtc: pcf2127: set RTC_FEATURE_ALARM_RES_2S
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@bootlin.com> Link: https://lore.kernel.org/r/20220309162301.61679-11-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers/rtc/rtc-pcf2127.c')
-rw-r--r--drivers/rtc/rtc-pcf2127.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index f8469b1344118..63b275b014bd6 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);