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

From: Marek Szyprowski
Date: Tue Aug 07 2012 - 11:22:13 EST


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@xxxxxxxxxx>
> ---
> 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


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