Commit 8670558f authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

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: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211107225458.111068-8-alexandre.belloni@bootlin.com
parent 5e7f635a

drivers/rtc/rtc-rx8025.c

+2 −13
Original line number Diff line number Diff line
@@ -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)