From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catalin Marinas Subject: Re: [PATCH v5 03/13] arm64: define DMA_ERROR_CODE Date: Thu, 5 Sep 2013 17:05:36 +0100 Message-ID: <20130905160536.GH11887@arm.com> References: <1377801154-29215-3-git-send-email-stefano.stabellini@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1377801154-29215-3-git-send-email-stefano.stabellini@eu.citrix.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Stefano Stabellini Cc: "xen-devel@lists.xensource.com" , "Ian.Campbell@citrix.com" , "konrad.wilk@oracle.com" , Will Deacon , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" List-Id: xen-devel@lists.xenproject.org On Thu, Aug 29, 2013 at 07:32:24PM +0100, Stefano Stabellini wrote: > Signed-off-by: Stefano Stabellini > CC: 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) I wonder why this isn't more generic. It looks like most (all?) architectures define it in the same way. -- Catalin