diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2022-10-27 19:32:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-07 13:11:50 +0300 |
| commit | 08c83264e6906615a7792f24de6e5785651d62ac (patch) | |
| tree | f25601e21c64a33b0d473ed9ed3b3a00a720ab07 /drivers/rtc | |
| parent | 135b9ed45347ef22fd05e15a891d23c9b33d72f9 (diff) | |
| download | linux-08c83264e6906615a7792f24de6e5785651d62ac.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 157bf5209ac4..a40c1a52df65 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; |