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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: Edgar Toernig <froese@gmx.de>
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tony Prisk 2013-02-04 14:28:44 -08:00 committed by Linus Torvalds
parent 1363b563a7
commit 3bdf8cd322
1 changed files with 1 additions and 1 deletions

View File

@ -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),