From 040e6dc0911c86add1ec3140432672e626b9d4ae Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Tue, 5 May 2020 22:13:09 +0200 Subject: rtc: pcf2127: set regmap max_register Set regmap max_register to ease debugging and enforce the register range. Link: https://lore.kernel.org/r/20200505201310.255145-4-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-pcf2127.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index 5ac996578523..039078029bd4 100644 --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -634,6 +634,7 @@ static int pcf2127_i2c_probe(struct i2c_client *client, static const struct regmap_config config = { .reg_bits = 8, .val_bits = 8, + .max_register = 0x1d, }; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) @@ -701,6 +702,7 @@ static int pcf2127_spi_probe(struct spi_device *spi) .val_bits = 8, .read_flag_mask = 0xa0, .write_flag_mask = 0x20, + .max_register = 0x1d, }; struct regmap *regmap; -- cgit v1.2.3-59-g8ed1b