Re: [PATCH 04/22] powerpc: rename swiotlb_dma_ops

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On Wed, Jan 10, 2018 at 09:09:14AM +0100, Christoph Hellwig wrote:
> We'll need that name for a generic implementation soon.
> 
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  arch/powerpc/include/asm/swiotlb.h | 2 +-
>  arch/powerpc/kernel/dma-swiotlb.c  | 4 ++--
>  arch/powerpc/kernel/dma.c          | 2 +-
>  arch/powerpc/sysdev/fsl_pci.c      | 2 +-
>  4 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/swiotlb.h b/arch/powerpc/include/asm/swiotlb.h
> index 9341ee804d19..f65ecf57b66c 100644
> --- a/arch/powerpc/include/asm/swiotlb.h
> +++ b/arch/powerpc/include/asm/swiotlb.h
> @@ -13,7 +13,7 @@
>  
>  #include <linux/swiotlb.h>
>  
> -extern const struct dma_map_ops swiotlb_dma_ops;
> +extern const struct dma_map_ops powerpc_swiotlb_dma_ops;
>  
>  extern unsigned int ppc_swiotlb_enable;
>  int __init swiotlb_setup_bus_notifier(void);
> diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
> index f1e99b9cee97..506ac4fafac5 100644
> --- a/arch/powerpc/kernel/dma-swiotlb.c
> +++ b/arch/powerpc/kernel/dma-swiotlb.c
> @@ -46,7 +46,7 @@ static u64 swiotlb_powerpc_get_required(struct device *dev)
>   * map_page, and unmap_page on highmem, use normal dma_ops
>   * for everything else.
>   */
> -const struct dma_map_ops swiotlb_dma_ops = {
> +const struct dma_map_ops powerpc_swiotlb_dma_ops = {
>  	.alloc = __dma_nommu_alloc_coherent,
>  	.free = __dma_nommu_free_coherent,
>  	.mmap = dma_nommu_mmap_coherent,
> @@ -89,7 +89,7 @@ static int ppc_swiotlb_bus_notify(struct notifier_block *nb,
>  
>  	/* May need to bounce if the device can't address all of DRAM */
>  	if ((dma_get_mask(dev) + 1) < memblock_end_of_DRAM())
> -		set_dma_ops(dev, &swiotlb_dma_ops);
> +		set_dma_ops(dev, &powerpc_swiotlb_dma_ops);
>  
>  	return NOTIFY_DONE;
>  }
> diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
> index 76079841d3d0..da20569de9d4 100644
> --- a/arch/powerpc/kernel/dma.c
> +++ b/arch/powerpc/kernel/dma.c
> @@ -33,7 +33,7 @@ static u64 __maybe_unused get_pfn_limit(struct device *dev)
>  	struct dev_archdata __maybe_unused *sd = &dev->archdata;
>  
>  #ifdef CONFIG_SWIOTLB
> -	if (sd->max_direct_dma_addr && dev->dma_ops == &swiotlb_dma_ops)
> +	if (sd->max_direct_dma_addr && dev->dma_ops == &powerpc_swiotlb_dma_ops)
>  		pfn = min_t(u64, pfn, sd->max_direct_dma_addr >> PAGE_SHIFT);
>  #endif
>  
> diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
> index e4d0133bbeeb..61e07c78d64f 100644
> --- a/arch/powerpc/sysdev/fsl_pci.c
> +++ b/arch/powerpc/sysdev/fsl_pci.c
> @@ -118,7 +118,7 @@ static void setup_swiotlb_ops(struct pci_controller *hose)
>  {
>  	if (ppc_swiotlb_enable) {
>  		hose->controller_ops.dma_dev_setup = pci_dma_dev_setup_swiotlb;
> -		set_pci_dma_ops(&swiotlb_dma_ops);
> +		set_pci_dma_ops(&powerpc_swiotlb_dma_ops);
>  	}
>  }
>  #else
> -- 
> 2.14.2
> 



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