Re: [PATCH v4] iio: adc: Remove depends on HAS_DMA in case of platform dependency

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On Fri, 22 Jun 2018 13:05:01 +0200
Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:

> Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
> symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
> In most cases this other symbol is an architecture or platform specific
> symbol, or PCI.
> 
> Generic symbols and drivers without platform dependencies keep their
> dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
> cannot work anyway.
> 
> This simplifies the dependencies, and allows to improve compile-testing.
> 
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Reviewed-by: Mark Brown <broonie@xxxxxxxxxx>
> Acked-by: Robin Murphy <robin.murphy@xxxxxxx>
> Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

I've applied to the togreg branch of iio.git.  Thanks

Jonathan

> ---
> v4:
>   - Rebase to v4.18-rc1 (applies to next-20180622, too),
> 
> v3:
>   - Add Acked-by,
>   - Rebase to v4.17-rc1,
> 
> v2:
>   - Add Reviewed-by, Acked-by,
>   - Drop RFC state,
>   - Split per subsystem.
> ---
>  drivers/iio/adc/Kconfig | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index 9da79070357c7d93..434923dd6f1e3d66 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -157,7 +157,6 @@ config AT91_SAMA5D2_ADC
>  	tristate "Atmel AT91 SAMA5D2 ADC"
>  	depends on ARCH_AT91 || COMPILE_TEST
>  	depends on HAS_IOMEM
> -	depends on HAS_DMA
>  	select IIO_BUFFER
>  	select IIO_TRIGGERED_BUFFER
>  	help
> @@ -647,7 +646,6 @@ config SD_ADC_MODULATOR
>  config STM32_ADC_CORE
>  	tristate "STMicroelectronics STM32 adc core"
>  	depends on ARCH_STM32 || COMPILE_TEST
> -	depends on HAS_DMA
>  	depends on OF
>  	depends on REGULATOR
>  	select IIO_BUFFER

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