rtc: ds1307: fix regmap config

Current max_register setting breaks reading nvram on certain chips and
also reading the standard registers on RX8130 where register map starts
at 0x10.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Fixes: 11e5890b5342 "rtc: ds1307: convert driver to regmap"
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 4fac49e55d473e80c87eb932698a33383ffca04b..4b43aa62fbc789b049ecf05b3be7ec393dfa868d 100644 (file)
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -1301,7 +1301,6 @@ static void ds1307_clks_register(struct ds1307 *ds1307)
 static const struct regmap_config regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
-       .max_register = 0x12,
 };
 
 static int ds1307_probe(struct i2c_client *client,