Re: [PATCH v5 03/13] arm64: define DMA_ERROR_CODE

From: Catalin Marinas
Date: Thu Sep 05 2013 - 12:06:29 EST


On Thu, Aug 29, 2013 at 07:32:24PM +0100, Stefano Stabellini wrote:
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> CC: catalin.marinas@xxxxxxx
> CC: will.deacon@xxxxxxx
> ---
> arch/arm64/include/asm/dma-mapping.h | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
> index 8d18100..c2cb8a0 100644
> --- a/arch/arm64/include/asm/dma-mapping.h
> +++ b/arch/arm64/include/asm/dma-mapping.h
> @@ -25,6 +25,7 @@
>
> #define ARCH_HAS_DMA_GET_REQUIRED_MASK
>
> +#define DMA_ERROR_CODE (~0)

I wonder why this isn't more generic. It looks like most (all?)
architectures define it in the same way.

--
Catalin
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