Re: [PATCH 1/2] MIPS: Allow including mach-generic/dma-coherence.h

[James Hogan]

On Tue, Jan 23, 2018 at 05:40:09PM -0800, Florian Fainelli wrote:
> @@ -71,15 +83,19 @@ static inline void plat_post_dma_flush(struct device *dev)
>  #endif
>  
>  #ifdef CONFIG_SWIOTLB
> +#ifndef phys_to_dma
>  static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
>  {
>  	return paddr;
>  }
> +#endif
>  
> +#ifndef dma_to_phys
>  static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
>  {
>  	return daddr;
>  }
>  #endif
> +#endif /* CONFIG_SWIOTLB */

FYI these were removed in commit ea8c64ace866 ("dma-mapping: move
swiotlb arch helpers to a new header"), and are only implemented by
platforms which select ARCH_HAS_PHYS_TO_DMA.

Cheers
James

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