Commit 3bdf8cd3 authored Feb 04, 2013 by Tony Prisk Committed by Linus Torvalds Feb 05, 2013

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>

parent 1363b563

drivers/rtc/rtc-vt8500.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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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