The RTC month value is 1-indexed, but the kernel assumes it is 0-indexed. This may result in the RTC not rolling over correctly. Signed-off-by: Ilya Ledvich <ilya@xxxxxxxxxxxxxx> --- drivers/rtc/rtc-em3027.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/rtc/rtc-em3027.c b/drivers/rtc/rtc-em3027.c index 77cca1392253..ef3792543f93 100644 --- a/drivers/rtc/rtc-em3027.c +++ b/drivers/rtc/rtc-em3027.c @@ -71,7 +71,7 @@ static int em3027_get_time(struct device *dev, struct rtc_time *tm) tm->tm_hour = bcd2bin(buf[2]); tm->tm_mday = bcd2bin(buf[3]); tm->tm_wday = bcd2bin(buf[4]); - tm->tm_mon = bcd2bin(buf[5]); + tm->tm_mon = bcd2bin(buf[5]) - 1; tm->tm_year = bcd2bin(buf[6]) + 100; return 0; @@ -94,7 +94,7 @@ static int em3027_set_time(struct device *dev, struct rtc_time *tm) buf[3] = bin2bcd(tm->tm_hour); buf[4] = bin2bcd(tm->tm_mday); buf[5] = bin2bcd(tm->tm_wday); - buf[6] = bin2bcd(tm->tm_mon); + buf[6] = bin2bcd(tm->tm_mon) + 1; buf[7] = bin2bcd(tm->tm_year % 100); /* write time/date registers */ -- 2.20.1
