[PATCH 07/20] powerpc/dma: remove the unused ARCH_HAS_DMA_MMAP_COHERENT define

[Benjamin Herrenschmidt]

On Mon, 2018-07-30 at 18:38 +0200, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>

> ---
>  arch/powerpc/include/asm/dma-mapping.h | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
> index 8fa394520af6..f2a4a7142b1e 100644
> --- a/arch/powerpc/include/asm/dma-mapping.h
> +++ b/arch/powerpc/include/asm/dma-mapping.h
> @@ -112,7 +112,5 @@ extern int dma_set_mask(struct device *dev, u64 dma_mask);
>  
>  extern u64 __dma_get_required_mask(struct device *dev);
>  
> -#define ARCH_HAS_DMA_MMAP_COHERENT
> -
>  #endif /* __KERNEL__ */
>  #endif	/* _ASM_DMA_MAPPING_H */