[PATCH 2/4] ARM: dma: define DMA_ALIGNMENT instead of defining dma_alloc

[Marco Felsch]

Hi Ahmad,

On 23-09-21, Ahmad Fatoum wrote:
> There's a suitable fallback dma_alloc implementation already in dma.h,
> which we can use as soon as we define DMA_ALIGNMENT. By doing that, we
> also can use the __dma_aligned attribute that will come in handy in the
> follow-up commit.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

feel free to add my r-b for the whole series.

Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>

> ---
>  arch/arm/include/asm/dma.h | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
> index 53953a486393..0774a11c5a30 100644
> --- a/arch/arm/include/asm/dma.h
> +++ b/arch/arm/include/asm/dma.h
> @@ -3,11 +3,7 @@
>  
>  #include <common.h>
>  
> -#define dma_alloc dma_alloc
> -static inline void *dma_alloc(size_t size)
> -{
> -	return xmemalign(64, ALIGN(size, 64));
> -}
> +#define DMA_ALIGNMENT	64
>  
>  #ifndef CONFIG_MMU
>  #define dma_alloc_coherent dma_alloc_coherent
> -- 
> 2.39.2
> 
>