Hello, On 22/10/2018 14:38:12+0200, Soeren Moch wrote: > Commit 51ed73eb998a1c79a2b0e9bed68f75a8a2c93b9b ("rtc: ds1340: Add support > for trickle charger.") breaks ds1339 wakealarm support by limiting > accessible registers. Fix this. > > Fixes: 51ed73eb998a ("rtc: ds1340: Add support for trickle charger.") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Soeren Moch <smoch@xxxxxx> > -- > Cc: Andrea Greco <a.greco@xxxxxxxxx> > Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx> > Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> > Cc: linux-rtc@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > --- > drivers/rtc/rtc-ds1307.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c > index 4b2b4627daeb..71396b62dc52 100644 > --- a/drivers/rtc/rtc-ds1307.c > +++ b/drivers/rtc/rtc-ds1307.c > @@ -1384,7 +1384,6 @@ static void ds1307_clks_register(struct ds1307 *ds1307) > static const struct regmap_config regmap_config = { > .reg_bits = 8, > .val_bits = 8, > - .max_register = 0x9, I would prefer having a different regmap_config for chips that have more registers. I guess you could put a pointer to a regmap_config in chip_desc. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com