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| author | Ian Abbott <abbotti@mev.co.uk> | 2022-10-27 19:32:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-14 12:16:34 +0300 |
| commit | e94443252b4656bbdce1de6da451437ed7f7158a (patch) | |
| tree | 4b655f3b7ca82885ca16469d8e2f424ac412239c /drivers/rtc | |
| parent | 6155aed4768ccd7b8a4d427e1b2db2accd5eff46 (diff) | |
| download | linux-e94443252b4656bbdce1de6da451437ed7f7158a.tar.xz | |
rtc: ds1347: fix value written to century register
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@vger.kernel.org> # v5.5+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20221027163249.447416-1-abbotti@mev.co.uk
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-ds1347.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-ds1347.c b/drivers/rtc/rtc-ds1347.c index 7025cf3fb9f8..03267ac65747 100644 --- a/drivers/rtc/rtc-ds1347.c +++ b/drivers/rtc/rtc-ds1347.c @@ -112,7 +112,7 @@ static int ds1347_set_time(struct device *dev, struct rtc_time *dt) 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; |