linux-kernel - Re: [PATCH 02/22] arm64: rename swiotlb_dma

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Message-ID: <4564e50d-7e52-7b72-7c95-d4acda92da0c@arm.com>
Date:   Wed, 10 Jan 2018 12:13:39 +0000
From:   Robin Murphy <robin.murphy@....com>
To:     Christoph Hellwig <hch@....de>, iommu@...ts.linux-foundation.org
Cc:     linux-arch@...r.kernel.org, linux-mips@...ux-mips.org,
        Michal Simek <monstr@...str.eu>, linux-ia64@...r.kernel.org,
        Christian König <ckoenig.leichtzumerken@...il.com>,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        Konrad Rzeszutek Wilk <konrad@...nok.org>,
        Guan Xuetao <gxt@...c.pku.edu.cn>,
        linuxppc-dev@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 02/22] arm64: rename swiotlb_dma_ops

On 10/01/18 08:09, Christoph Hellwig wrote:
> We'll need that name for a generic implementation soon.

Reviewed-by: Robin Murphy <robin.murphy@....com>

> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>   arch/arm64/mm/dma-mapping.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
> index f3a637b98487..6840426bbe77 100644
> --- a/arch/arm64/mm/dma-mapping.c
> +++ b/arch/arm64/mm/dma-mapping.c
> @@ -368,7 +368,7 @@ static int __swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t addr)
>   	return 0;
>   }
>   
> -static const struct dma_map_ops swiotlb_dma_ops = {
> +static const struct dma_map_ops arm64_swiotlb_dma_ops = {
>   	.alloc = __dma_alloc,
>   	.free = __dma_free,
>   	.mmap = __swiotlb_mmap,
> @@ -923,7 +923,7 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
>   			const struct iommu_ops *iommu, bool coherent)
>   {
>   	if (!dev->dma_ops)
> -		dev->dma_ops = &swiotlb_dma_ops;
> +		dev->dma_ops = &arm64_swiotlb_dma_ops;
>   
>   	dev->archdata.dma_coherent = coherent;
>   	__iommu_setup_dma_ops(dev, dma_base, size, iommu);
>