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Date: Fri, 1 Apr 2016 17:54:05 -0700 From: Kamal Mostafa <kamal@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Alexander Kochetkov <al.kochet@...il.com>, Alexandre Belloni <alexandre.belloni@...e-electrons.com>, Kamal Mostafa <kamal@...onical.com> Subject: [PATCH 3.19.y-ckt 159/170] rtc: hym8563: fix invalid year calculation 3.19.8-ckt18 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: Alexander Kochetkov <al.kochet@...il.com> commit d5861262210067fc01b2fb4f7af2fd85a3453f15 upstream. Year field must be in BCD format, according to hym8563 datasheet. Due to the bug year 2016 became 2010. Fixes: dcaf03849352 ("rtc: add hym8563 rtc-driver") Signed-off-by: Alexander Kochetkov <al.kochet@...il.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com> Signed-off-by: Kamal Mostafa <kamal@...onical.com> --- drivers/rtc/rtc-hym8563.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c index b936bb4..280584b 100644 --- a/drivers/rtc/rtc-hym8563.c +++ b/drivers/rtc/rtc-hym8563.c @@ -144,7 +144,7 @@ static int hym8563_rtc_set_time(struct device *dev, struct rtc_time *tm) * it does not seem to carry it over a subsequent write/read. * So we'll limit ourself to 100 years, starting at 2000 for now. */ - buf[6] = tm->tm_year - 100; + buf[6] = bin2bcd(tm->tm_year - 100); /* * CTL1 only contains TEST-mode bits apart from stop, -- 2.7.4
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