`bmp280_regmap_bus` and `bmp380_regmap_bus` are conditionally assigned to `bmp_regmap_bus`, which is only used to pass the struct as a read-only member. Add the const modifier to the structs and the pointer to move the data to a read-only section. Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx> --- drivers/iio/pressure/bmp280-spi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iio/pressure/bmp280-spi.c b/drivers/iio/pressure/bmp280-spi.c index 62b4e58104cf..fee266d4e055 100644 --- a/drivers/iio/pressure/bmp280-spi.c +++ b/drivers/iio/pressure/bmp280-spi.c @@ -64,14 +64,14 @@ static int bmp380_regmap_spi_read(void *context, const void *reg, return 0; } -static struct regmap_bus bmp280_regmap_bus = { +static const struct regmap_bus bmp280_regmap_bus = { .write = bmp280_regmap_spi_write, .read = bmp280_regmap_spi_read, .reg_format_endian_default = REGMAP_ENDIAN_BIG, .val_format_endian_default = REGMAP_ENDIAN_BIG, }; -static struct regmap_bus bmp380_regmap_bus = { +static const struct regmap_bus bmp380_regmap_bus = { .write = bmp280_regmap_spi_write, .read = bmp380_regmap_spi_read, .read_flag_mask = BIT(7), @@ -83,7 +83,7 @@ static int bmp280_spi_probe(struct spi_device *spi) { const struct spi_device_id *id = spi_get_device_id(spi); const struct bmp280_chip_info *chip_info; - struct regmap_bus *bmp_regmap_bus; + struct regmap_bus const *bmp_regmap_bus; struct regmap *regmap; int ret; -- 2.40.1