[3.19.y-ckt stable] Patch "rtc: hym8563: fix invalid year calculation" has been added to the 3.19.y-ckt tree

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    rtc: hym8563: fix invalid year calculation

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt18.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

---8<------------------------------------------------------------

>From 58035b944bbc436e793332cf49045cd45fa5a618 Mon Sep 17 00:00:00 2001
From: Alexander Kochetkov <al.kochet at gmail.com>
Date: Sun, 6 Mar 2016 12:43:57 +0300
Subject: rtc: hym8563: fix invalid year calculation

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 at gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni at free-electrons.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.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