This driver makes use of regmap_spi, but does not select the required module. Add the missing 'select REGMAP_SPI'. Fixes: 627198942641 ("iio: adc: add ADC driver for the TI LMP92064 controller") Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx> Link: https://patch.msgid.link/20241003-iio-select-v1-5-67c0385197cd@xxxxxxxxx Cc: <Stable@xxxxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/iio/adc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 45872a4e2acf..68640fa26f4e 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -1529,6 +1529,7 @@ config TI_AM335X_ADC config TI_LMP92064 tristate "Texas Instruments LMP92064 ADC driver" depends on SPI + select REGMAP_SPI help Say yes here to build support for the LMP92064 Precision Current and Voltage sensor. -- 2.47.0