Commit 9597f8cc authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: mpc5121: 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: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-4-alexandre.belloni@bootlin.com
parent 000bf045

drivers/rtc/rtc-mpc5121.c

+1 −14
Original line number Diff line number Diff line
@@ -210,20 +210,6 @@ static int mpc5121_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) 
	struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev);

	struct mpc5121_rtc_regs __iomem *regs = rtc->regs;



	/*

	 * the alarm has no seconds so deal with it

	 */

	if (alarm->time.tm_sec) {

		alarm->time.tm_sec = 0;

		alarm->time.tm_min++;

		if (alarm->time.tm_min >= 60) {

			alarm->time.tm_min = 0;

			alarm->time.tm_hour++;

			if (alarm->time.tm_hour >= 24)

				alarm->time.tm_hour = 0;

		}

	}



	alarm->time.tm_mday = -1;

	alarm->time.tm_mon = -1;

	alarm->time.tm_year = -1;
@@ -349,6 +335,7 @@ static int mpc5121_rtc_probe(struct platform_device *op) 
	}



	rtc->rtc->ops = &mpc5200_rtc_ops;

	set_bit(RTC_FEATURE_ALARM_RES_MINUTE, rtc->rtc->features);

	rtc->rtc->uie_unsupported = 1;

	rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_0000;

	rtc->rtc->range_max = 65733206399ULL; /* 4052-12-31 23:59:59 */