Commit 3bdf8cd3 authored by Tony Prisk's avatar Tony Prisk Committed by Linus Torvalds

drivers/rtc/rtc-vt8500.c: fix year field in vt8500_rtc_set_time()

The year field is incorrectly masked when setting the date.  If the year
is beyond 2099, the year field will be incorrectly updated in hardware.

This patch masks the year field correctly.
Signed-off-by: default avatarEdgar Toernig <froese@gmx.de>
Signed-off-by: default avatarTony Prisk <linux@prisktech.co.nz>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1363b563
......@@ -137,7 +137,7 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
return -EINVAL;
}
writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S)
writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S)
| (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S)
| (bin2bcd(tm->tm_mday))
| ((tm->tm_year >= 200) << DATE_CENTURY_S),
......
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