Re: [PATCH] iio: adc: select triggered buffer for sama5d2 adc

From: Jonathan Cameron
Date: Thu Aug 17 2017 - 10:38:31 EST


On Tue, 15 Aug 2017 16:46:31 +0200
Arnd Bergmann <arnd@xxxxxxxx> wrote:

> Without the triggered buffer code, we get a link error:
>
> drivers/iio/adc/at91-sama5d2_adc.o: In function `at91_adc_probe':
> at91-sama5d2_adc.c:(.text+0x938): undefined reference to `devm_iio_triggered_buffer_setup'
>
> This adds a Kconfig 'select' statement like other ADC
> drivers have it already.
>
> Fixes: 5e1a1da0f8c9 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Doh. Shouldn't have missed this one.

Thanks Arnd,

Applied to the togreg branch of iio.git will head for Greg and hence linux-next
in a few days.

Jonathan
> ---
> drivers/iio/adc/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index e4eeebac5297..57625653fcb6 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -158,6 +158,7 @@ config AT91_SAMA5D2_ADC
> tristate "Atmel AT91 SAMA5D2 ADC"
> depends on ARCH_AT91 || COMPILE_TEST
> depends on HAS_IOMEM
> + select IIO_TRIGGERED_BUFFER
> help
> Say yes here to build support for Atmel SAMA5D2 ADC which is
> available on SAMA5D2 SoC family.