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rtc: mpc5121: let the core handle the alarm resolution

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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/20220309162301.61679-4-alexandre.belloni@bootlin.com
This commit is contained in:
Alexandre Belloni 2022-03-09 17:22:35 +01:00
parent 000bf045c6
commit 9597f8cc80
1 changed files with 1 additions and 14 deletions
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15
drivers/rtc/rtc-mpc5121.c
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@ -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 */