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Subject[PATCH 4/5] rtc: pcf2127: set regmap max_register
Date
Set regmap max_register to ease debugging and enforce the register range.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
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;

--
2.26.2
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