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rtc: rx8025: 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/20211107225458.111068-8-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni 2021-11-07 23:54:53 +01:00
parent 5e7f635aa6
commit 8670558f9e
1 changed files with 2 additions and 13 deletions
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15
drivers/rtc/rtc-rx8025.c
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@ -358,17 +358,6 @@ static int rx8025_set_alarm(struct device *dev, struct rtc_wkalrm *t)
if (client->irq <= 0)
return -EINVAL;
/*
* Hardware alarm precision is 1 minute!
* round up to nearest minute
*/
if (t->time.tm_sec) {
time64_t alarm_time = rtc_tm_to_time64(&t->time);
alarm_time += 60 - t->time.tm_sec;
rtc_time64_to_tm(alarm_time, &t->time);
}
ald[0] = bin2bcd(t->time.tm_min);
if (rx8025->ctrl1 & RX8025_BIT_CTRL1_1224)
ald[1] = bin2bcd(t->time.tm_hour);
@ -579,8 +568,8 @@ static int rx8025_probe(struct i2c_client *client,
rx8025->rtc->max_user_freq = 1;
/* the rx8025 alarm only supports a minute accuracy */
rx8025->rtc->uie_unsupported = 1;
set_bit(RTC_FEATURE_ALARM_RES_MINUTE, rx8025->rtc->features);
clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rx8025->rtc->features);
err = devm_rtc_register_device(rx8025->rtc);
if (err)