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rtc: hym8563: let the core handle the alarm resolution 

Set RTC_FEATURE_ALARM_RES_MINUTE, so the core knows alarms have a
resolution of a minute. Also, the core will properly round down the alarm
instead of up.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-26-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni 2022-03-09 17:22:57 +01:00
parent 07398602c8
commit e6b7d19d39
1 changed files with 1 additions and 18 deletions
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19
drivers/rtc/rtc-hym8563.c
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@ -220,24 +220,6 @@ static int hym8563_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
u8 buf[4];
int ret;
/*
* The alarm has no seconds so deal with it
*/
if (alm_tm->tm_sec) {
alm_tm->tm_sec = 0;
alm_tm->tm_min++;
if (alm_tm->tm_min >= 60) {
alm_tm->tm_min = 0;
alm_tm->tm_hour++;
if (alm_tm->tm_hour >= 24) {
alm_tm->tm_hour = 0;
alm_tm->tm_mday++;
if (alm_tm->tm_mday > 31)
alm_tm->tm_mday = 0;
}
}
}
ret = i2c_smbus_read_byte_data(client, HYM8563_CTL2);
if (ret < 0)
return ret;
@ -562,6 +544,7 @@ static int hym8563_probe(struct i2c_client *client,
(ret & HYM8563_SEC_VL) ? "invalid" : "valid");
hym8563->rtc->ops = &hym8563_rtc_ops;
set_bit(RTC_FEATURE_ALARM_RES_MINUTE, hym8563->rtc->features);
/* the hym8563 alarm only supports a minute accuracy */
hym8563->rtc->uie_unsupported = 1;