Re: [PATCH v8 11/17] iio: adc: ad7944: add support for SPI offload

[David Lechner]

On 2/7/25 2:09 PM, David Lechner wrote:
> Add support for SPI offload to the ad7944 driver. This allows reading
> data at the max sample rate of 2.5 MSPS.
> 

...

> ---
>  drivers/iio/adc/Kconfig  |   1 +
>  drivers/iio/adc/ad7944.c | 291 ++++++++++++++++++++++++++++++++++++++++++++---
>  2 files changed, 276 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index a3e8ac569ce4c6b6b30b48acb265d530aa98e89c..995b9cacbaa964d26424346120c139858f93cdcd 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -360,6 +360,7 @@ config AD7923
>  config AD7944
>  	tristate "Analog Devices AD7944 and similar ADCs driver"
>  	depends on SPI
> +	select SPI_OFFLOAD
>  	select IIO_BUFFER

I missed adding

	select IIO_BUFFER_DMAENGINE

Closes: https://lore.kernel.org/oe-kbuild-all/202502082251.NuHT15R7-lkp@xxxxxxxxx/

>  	select IIO_TRIGGERED_BUFFER
>  	help