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Message-ID: <20130905160536.GH11887@arm.com>
Date:	Thu, 5 Sep 2013 17:05:36 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	"Ian.Campbell@...rix.com" <Ian.Campbell@...rix.com>,
	Will Deacon <Will.Deacon@....com>
Subject: Re: [PATCH v5 03/13] arm64: define DMA_ERROR_CODE

On Thu, Aug 29, 2013 at 07:32:24PM +0100, Stefano Stabellini wrote:
> Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> CC: catalin.marinas@....com
> CC: will.deacon@....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)

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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