rtc: pcf50633: fix month off-by-one error

The PCF50633 stores a month value of 1-12, but the kernel wants 0-11.

Signed-off-by: Rask Ingemann Lambertsen <[email protected]>
Signed-off-by: Paul Fertser <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: Balaji Rao <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c
index f4dd87e29075c5dc51b7176605ccece2e4704a9d..77b40ddd66e6e9bb2b1e1cb03caf1b7ae680370a 100644 (file)
--- a/drivers/rtc/rtc-pcf50633.c
+++ b/drivers/rtc/rtc-pcf50633.c
@@ -70,7 +70,7 @@ static void pcf2rtc_time(struct rtc_time *rtc, struct pcf50633_time *pcf)
        rtc->tm_hour = bcd2bin(pcf->time[PCF50633_TI_HOUR]);
        rtc->tm_wday = bcd2bin(pcf->time[PCF50633_TI_WKDAY]);
        rtc->tm_mday = bcd2bin(pcf->time[PCF50633_TI_DAY]);
-       rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]);
+       rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]) - 1;
        rtc->tm_year = bcd2bin(pcf->time[PCF50633_TI_YEAR]) + 100;
 }
 
@@ -81,7 +81,7 @@ static void rtc2pcf_time(struct pcf50633_time *pcf, struct rtc_time *rtc)
        pcf->time[PCF50633_TI_HOUR] = bin2bcd(rtc->tm_hour);
        pcf->time[PCF50633_TI_WKDAY] = bin2bcd(rtc->tm_wday);
        pcf->time[PCF50633_TI_DAY] = bin2bcd(rtc->tm_mday);
-       pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon);
+       pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon + 1);
        pcf->time[PCF50633_TI_YEAR] = bin2bcd(rtc->tm_year % 100);
 }