On Wed, 31 Jan 2024 16:52:46 -0600 Mario Limonciello <mario.limonciello@xxxxxxx> wrote: > The kernel fails when compiling without `CONFIG_REGMAP_I2C` but with > `CONFIG_BMA400`. > ``` > ld: drivers/iio/accel/bma400_i2c.o: in function `bma400_i2c_probe': > bma400_i2c.c:(.text+0x23): undefined reference to `__devm_regmap_init_i2c' > ``` > > This was caught with one of the kconfigs used by the LKP robot for a > separate issue. > > Link: https://download.01.org/0day-ci/archive/20240131/202401311634.FE5CBVwe-lkp@xxxxxxxxx/config > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> Good catch. Ideally would have a fixes tag but it's a bit complex in this case as they two parts landed in different series. I've added both tags and marked it for stable. Fixes: 465c811f1f20 ("iio: accel: Add driver for the BMA400") Fixes: 9bea10642396 ("iio: accel: bma400: add support for bma400 spi") > --- > drivers/iio/accel/Kconfig | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig > index 91adcac875a4..c9d7afe489e8 100644 > --- a/drivers/iio/accel/Kconfig > +++ b/drivers/iio/accel/Kconfig > @@ -219,10 +219,12 @@ config BMA400 > > config BMA400_I2C > tristate > + select REGMAP_I2C > depends on BMA400 > > config BMA400_SPI > tristate > + select REGMAP_SPI > depends on BMA400 > > config BMC150_ACCEL
