@@ -345,7 +345,17 @@ static int rx8025_set_alarm(struct device *dev, struct rtc_wkalrm *t)
if (client->irq <= 0)
return -EINVAL;
- /* Hardware alarm precision is 1 minute! */
+ /*
+ * 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);
The alarm for rx8025 only has a minute accuracy, so round up to nearest minute when setting alarm. Without doing this, rtctest blocks one day after setting alarm to 5 seconds later. pcf8563 and hym8563 also have similar handling. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Wolfgang Grandegger <wg@grandegger.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- drivers/rtc/rtc-rx8025.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)