[PATCH v6 1/2] ARM: dma-mapping: Don't use outer_flush_range when the L2C is coherent

[Russell King - ARM Linux]

On Thu, Mar 31, 2016 at 11:09:39AM +0200, Gregory CLEMENT wrote:
> diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
> index deac58d5f1f7..1538bb293e90 100644
> --- a/arch/arm/mm/dma-mapping.c
> +++ b/arch/arm/mm/dma-mapping.c
> @@ -61,7 +61,7 @@ struct arm_dma_free_args {
>  
>  struct arm_dma_allocator {
>  	void *(*alloc)(struct arm_dma_alloc_args *args,
> -		       struct page **ret_page);
> +		       struct page **ret_page, bool is_coherent);

This should be named "l2_coherent" because it controls whether L2
cache flushing is done: L1 cache flushing calls are still present.

-- 
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