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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 <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2020-05-05 22:13:09 +02:00
parent 664eaf033f
commit 040e6dc091
1 changed files with 2 additions and 0 deletions
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2
drivers/rtc/rtc-pcf2127.c
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@ -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;