Re: [PATCH] iio: adc: rockchip_saradc: select IIO_TRIGGERED_BUFFER

From: Heiko Stuebner
Date: Mon Aug 03 2020 - 08:20:09 EST


Am Montag, 3. August 2020, 10:30:01 CEST schrieb Michael Walle:
> The kernel fails to compile due to undefined reference to
> devm_iio_triggered_buffer_setup() if IIO_TRIGGERED_BUFFER is not
> enabled. The original patch [1] had this dependency. But somehow it
> didn't make it into the kernel tree. Re-add it.
>
> [1] https://lore.kernel.org/lkml/20200623233011.2319035-3-heiko@xxxxxxxxx/
>
> Fixes: 4e130dc7b413 ("iio: adc: rockchip_saradc: Add support iio buffers")
> Signed-off-by: Michael Walle <michael@xxxxxxxx>

Reviewed-by: Heiko Stuebner <heiko.stuebner@xxxxxxxxxxxxxxxxxxxxx>

> ---
> drivers/iio/adc/Kconfig | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index 66d9cc073157..d94dc800b842 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -865,6 +865,8 @@ config ROCKCHIP_SARADC
> tristate "Rockchip SARADC driver"
> depends on ARCH_ROCKCHIP || (ARM && COMPILE_TEST)
> depends on RESET_CONTROLLER
> + select IIO_BUFFER
> + select IIO_TRIGGERED_BUFFER
> help
> Say yes here to build support for the SARADC found in SoCs from
> Rockchip.
>