linux-kernel - [PATCH v9 02/18] arm64: define DMA_ERROR

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Date:	Fri, 25 Oct 2013 11:51:37 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	<xen-devel@...ts.xensource.com>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <konrad.wilk@...cle.com>,
	<Stefano.Stabellini@...citrix.com>, <Ian.Campbell@...rix.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	<will.deacon@....com>
Subject: [PATCH v9 02/18] arm64: define DMA_ERROR_CODE

Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
Acked-by: Catalin Marinas <catalin.marinas@....com>
CC: will.deacon@....com

Changes in v8:
- cast to dma_addr_t before returning.
---
 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..59206b1 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	(~(dma_addr_t)0)
 extern struct dma_map_ops *dma_ops;
 
 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
-- 
1.7.2.5

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