From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@prisktech.co.nz (Tony Prisk) Date: Mon, 31 Dec 2012 07:56:33 +1300 Subject: [PATCH] rtc: vt8500: Fix year field in vt8500_rtc_set_time Message-ID: <1356893793-29537-1-git-send-email-linux@prisktech.co.nz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Signed-off-by: Tony Prisk --- Patch based on 3.8-rc1 drivers/rtc/rtc-vt8500.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c index 14e2d8c..37b42a4 100644 --- a/drivers/rtc/rtc-vt8500.c +++ b/drivers/rtc/rtc-vt8500.c @@ -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) << DATE_MONTH_S) | (bin2bcd(tm->tm_mday)), vt8500_rtc->regbase + VT8500_RTC_DS); -- 1.7.9.5