[PATCH v3 1/4] ARM: dma-mapping: define ARCH_HAS_DMA_MMAP_COHERENT

[Marek Szyprowski]

Hi Hideki,

On Monday, August 06, 2012 11:55 AM Hideki EIRAKU wrote:

> ARCH_HAS_DMA_MMAP_COHERENT indicates that there is dma_mmap_coherent() API
> in this architecture.  The name is already defined in PowerPC.
> 
> Signed-off-by: Hideki EIRAKU <hdk at igel.co.jp>
> ---
>  arch/arm/include/asm/dma-mapping.h |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
> index bbef15d..f41cd30 100644
> --- a/arch/arm/include/asm/dma-mapping.h
> +++ b/arch/arm/include/asm/dma-mapping.h
> @@ -187,6 +187,7 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
>  			struct dma_attrs *attrs);
> 
>  #define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL)
> +#define ARCH_HAS_DMA_MMAP_COHERENT
> 
>  static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
>  				  void *cpu_addr, dma_addr_t dma_addr,
> --
> 1.7.0.4

I will take this patch to my dma-mapping kernel tree, to the fixes branch.

Best regards
-- 
Marek Szyprowski
Samsung Poland R&D Center