lkml.org 
[lkml]   [2013]   [Oct]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v8 02/17] arm64: define DMA_ERROR_CODE
On Wed, Oct 09, 2013 at 09:48:15PM +0100, Stefano Stabellini wrote:
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> CC: will.deacon@arm.com
> ---
> 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)

Hmm, is this guaranteed to be large enough for a dma_addr_t? Other 64-bit
architectures using a non-zero error code cast to dma_addr_t before the
negation.

Will


\
 
 \ /
  Last update: 2013-10-10 12:01    [W:0.083 / U:0.220 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site