[PATCH] rtc: mv: let the core handle invalid alarms

From: Alexandre Belloni
Date: Mon Oct 01 2018 - 18:05:41 EST


Instead of lying to the core when the alarm is invalid, let it handle that
by returning the error.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/rtc/rtc-mv.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index 4b198b3778d3..e7f14bd12fe3 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -125,13 +125,9 @@ static int mv_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
/* hw counts from year 2000, but tm_year is relative to 1900 */
alm->time.tm_year = bcd2bin(year) + 100;

- if (rtc_valid_tm(&alm->time) < 0) {
- dev_err(dev, "retrieved alarm date/time is not valid.\n");
- rtc_time_to_tm(0, &alm->time);
- }
-
alm->enabled = !!readl(ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS);
- return 0;
+
+ return rtc_valid_tm(&alm->time);
}

static int mv_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
--
2.19.0