From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
All the callers of ds1511_rtc_set_time will use the same epoch for tm_year
which is defined as the number of years minus 1900 since POSIX.1-2001.
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
drivers/rtc/rtc-ds1511.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 87c52d20d31a..a646bcf9cd56 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -166,24 +166,13 @@ ds1511_wdog_disable(void)
}
#endif
-/*
- * set the rtc chip's idea of the time.
- * stupidly, some callers call with year unmolested;
- * and some call with year = year - 1900. thanks.
- */
static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
{
u8 mon, day, dow, hrs, min, sec, yrs, cen;
unsigned long flags;
- /*
- * won't have to change this for a while
- */
- if (rtc_tm->tm_year < 1900)
- rtc_tm->tm_year += 1900;
-
yrs = rtc_tm->tm_year % 100;
- cen = rtc_tm->tm_year / 100;
+ cen = 19 + rtc_tm->tm_year / 100;
mon = rtc_tm->tm_mon + 1; /* tm_mon starts at zero */
day = rtc_tm->tm_mday;
dow = rtc_tm->tm_wday & 0x7; /* automatic BCD */
--
2.43.0
