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rtc: s35390a: let the core handle the alarm resolution 

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211107225458.111068-2-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni 2021-11-07 23:54:47 +01:00
parent d87f741ddd
commit 654815eff1
1 changed files with 2 additions and 5 deletions
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7
drivers/rtc/rtc-s35390a.c
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@ -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);