From: Kars de Jong jongk@linux-m68k.org
commit e34494c8df0cd96fc432efae121db3212c46ae48 upstream.
The driver was reading the wrong register as the 10-hour digit due to a misplaced ')'. It was in fact reading the 1-second digit register due to this bug.
Also remove the use of a magic number for the hour mask and use the define for it which was already present.
Fixes: 4f9b9bba1dd1 ("rtc: Add an RTC driver for the Oki MSM6242") Tested-by: Kars de Jong jongk@linux-m68k.org Signed-off-by: Kars de Jong jongk@linux-m68k.org Link: https://lore.kernel.org/r/20191116110548.8562-1-jongk@linux-m68k.org Reviewed-by: Geert Uytterhoeven geert@linux-m68k.org Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/rtc/rtc-msm6242.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-msm6242.c b/drivers/rtc/rtc-msm6242.c index 0c72a2e..6aace93 100644 --- a/drivers/rtc/rtc-msm6242.c +++ b/drivers/rtc/rtc-msm6242.c @@ -132,7 +132,8 @@ static int msm6242_read_time(struct device *dev, struct rtc_time *tm) msm6242_read(priv, MSM6242_SECOND1); tm->tm_min = msm6242_read(priv, MSM6242_MINUTE10) * 10 + msm6242_read(priv, MSM6242_MINUTE1); - tm->tm_hour = (msm6242_read(priv, MSM6242_HOUR10 & 3)) * 10 + + tm->tm_hour = (msm6242_read(priv, MSM6242_HOUR10) & + MSM6242_HOUR10_HR_MASK) * 10 + msm6242_read(priv, MSM6242_HOUR1); tm->tm_mday = msm6242_read(priv, MSM6242_DAY10) * 10 + msm6242_read(priv, MSM6242_DAY1);