Messages in this thread | | | Date | Thu, 5 Sep 2013 17:54:15 +0100 | From | Stefano Stabellini <> | Subject | Re: [PATCH v5 03/13] arm64: define DMA_ERROR_CODE |
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On Thu, 5 Sep 2013, Catalin Marinas wrote: > On Thu, Aug 29, 2013 at 07:32:24PM +0100, Stefano Stabellini wrote: > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > > 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.
Actually it's defined as 0 on x86 and ia64. All the others define it as ~0.
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