This is a note to let you know that I've just added the patch titled
rtc: ds1347: fix value written to century register
to the 6.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rtc-ds1347-fix-value-written-to-century-register.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4dfe05bdc1ade79b943d4979a2e2a8b5ef68fbb5 Mon Sep 17 00:00:00 2001
From: Ian Abbott <abbotti@xxxxxxxxx>
Date: Thu, 27 Oct 2022 17:32:49 +0100
Subject: rtc: ds1347: fix value written to century register
From: Ian Abbott <abbotti@xxxxxxxxx>
commit 4dfe05bdc1ade79b943d4979a2e2a8b5ef68fbb5 upstream.
In `ds1347_set_time()`, the wrong value is being written to the
`DS1347_CENTURY_REG` register. It needs to be converted to BCD. Fix
it.
Fixes: 147dae76dbb9 ("rtc: ds1347: handle century register")
Cc: <stable@xxxxxxxxxxxxxxx> # v5.5+
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
Link: https://lore.kernel.org/r/20221027163249.447416-1-abbotti@xxxxxxxxx
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-ds1347.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/rtc/rtc-ds1347.c
+++ b/drivers/rtc/rtc-ds1347.c
@@ -112,7 +112,7 @@ static int ds1347_set_time(struct device
return err;
century = (dt->tm_year / 100) + 19;
- err = regmap_write(map, DS1347_CENTURY_REG, century);
+ err = regmap_write(map, DS1347_CENTURY_REG, bin2bcd(century));
if (err)
return err;
Patches currently in stable-queue which might be from abbotti@xxxxxxxxx are
queue-6.0/rtc-ds1347-fix-value-written-to-century-register.patch
