[PATCH 02/12] rtc: s35390a: let the core handle the alarm resolution

From: Alexandre Belloni
Date: Sun Nov 07 2021 - 17:55:15 EST


Tell the RTC core UIE are not supported because the resolution of the alarm
is a minute.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/rtc/rtc-s35390a.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index b5bdeda7d767..26278c770731 100644
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -285,9 +285,6 @@ static int s35390a_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
alm->time.tm_min, alm->time.tm_hour, alm->time.tm_mday,
alm->time.tm_mon, alm->time.tm_year, alm->time.tm_wday);

- if (alm->time.tm_sec != 0)
- dev_warn(&client->dev, "Alarms are only supported on a per minute basis!\n");
-
/* disable interrupt (which deasserts the irq line) */
err = s35390a_set_reg(s35390a, S35390A_CMD_STATUS2, &sts, sizeof(sts));
if (err < 0)
@@ -491,8 +488,8 @@ static int s35390a_probe(struct i2c_client *client,
s35390a->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
s35390a->rtc->range_max = RTC_TIMESTAMP_END_2099;

- /* supports per-minute alarms only, therefore set uie_unsupported */
- s35390a->rtc->uie_unsupported = 1;
+ set_bit(RTC_FEATURE_ALARM_RES_MINUTE, s35390a->rtc->features);
+ clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, s35390a->rtc->features );

if (status1 & S35390A_FLAG_INT2)
rtc_update_irq(s35390a->rtc, 1, RTC_AF);
--
2.31.1