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SubjectRe: [PATCH] Staging: most: MOST and MOSTCORE should depend on HAS_DMA
On Tue, 1 Sep 2015 22:05:58 +0200
Geert Uytterhoeven <geert@linux-m68k.org> wrote:

> If NO_DMA=y:
>
> ERROR: "dma_free_coherent" [drivers/staging/most/mostcore/mostcore.ko] undefined!
> ERROR: "dma_alloc_coherent" [drivers/staging/most/mostcore/mostcore.ko] undefined!
>
> As all MOST sub drivers use DMA functionality, add a dependency on
> HAS_DMA to MOSTCORE, and to MOST, which selects MOSTCORE.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Christian Gromm <christian.gromm@microchip.com>
> ---
> drivers/staging/most/Kconfig | 1 +
> drivers/staging/most/mostcore/Kconfig | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/staging/most/Kconfig b/drivers/staging/most/Kconfig
> index d50de03de7b98972..0b9b9b539f70562d 100644
> --- a/drivers/staging/most/Kconfig
> +++ b/drivers/staging/most/Kconfig
> @@ -1,5 +1,6 @@
> menuconfig MOST
> tristate "MOST driver"
> + depends on HAS_DMA
> select MOSTCORE
> default n
> ---help---
> diff --git a/drivers/staging/most/mostcore/Kconfig b/drivers/staging/most/mostcore/Kconfig
> index 38abf1b21b6623c7..47172546d7280ee6 100644
> --- a/drivers/staging/most/mostcore/Kconfig
> +++ b/drivers/staging/most/mostcore/Kconfig
> @@ -4,6 +4,7 @@
>
> config MOSTCORE
> tristate "MOST Core"
> + depends on HAS_DMA
>
> ---help---
> Say Y here if you want to enable MOST support.



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