On Mon, 28 Oct 2024 16:29:15 +0000
Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The newly added driver fails to link when CONFIG_CRC8 is not set:
>
> ld.lld-20: error: undefined symbol: crc8_populate_msb
> ld.lld-20: error: undefined symbol: crc8
> >>> vmlinux.o:(ad7779_spi_read)
>
> Select this from Kconfig as we do for other drivers like it.
>
> Fixes: cc20fa9e9ad4 ("drivers: iio: adc: add support for ad777x family")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Squashed into original patch.
Thanks!
Jonathan
> ---
> drivers/iio/adc/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index d8abe28eec89..849c90203071 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -290,6 +290,7 @@ config AD7768_1
> config AD7779
> tristate "Analog Devices AD7779 ADC driver"
> depends on SPI
> + select CRC8
> select IIO_BUFFER
> help
> Say yes here to build support for Analog Devices AD777X family
