Re: [PATCH 07/20] powerpc/dma: remove the unused ARCH_HAS_DMA_MMAP_COHERENT define
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- To: Christoph Hellwig <hch@xxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>
- Subject: Re: [PATCH 07/20] powerpc/dma: remove the unused ARCH_HAS_DMA_MMAP_COHERENT define
- From: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
- Date: Thu, 09 Aug 2018 09:56:38 +1000
- Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx
- In-reply-to: <20180730163824.10064-8-hch@lst.de>
- References: <20180730163824.10064-1-hch@lst.de> <20180730163824.10064-8-hch@lst.de>
On Mon, 2018-07-30 at 18:38 +0200, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> ---
> 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 */
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