linux-kernel - [PATCH 20/23] ia64: Add DMA_ERROR

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Date:	Mon,  6 Dec 2010 18:24:32 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	airlied@...ux.ie, tglx@...utronix.de, hpa@...or.com,
	airlied@...hat.com, linux-kernel@...r.kernel.org, konrad@...nel.org
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: [PATCH 20/23] ia64: Add DMA_ERROR_CODE define.

This piggybacks on git commit 8fd524b355daef0945692227e726fb444cebcd4f
("x86: Kill bad_dma_address variable") wherein we use now the
dma_map_ops->mapping_error to check for errors and the standard
check is against DMA_ERROR_CODE. Introduce it to the IA64 world.

CC: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
CC: Jesse Barnes <jbarnes@...tuousgeek.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
---
 arch/ia64/include/asm/dma-mapping.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index a2e7368..4336d08 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -12,6 +12,8 @@
 
 #define ARCH_HAS_DMA_GET_REQUIRED_MASK
 
+#define DMA_ERROR_CODE 0
+
 extern struct dma_map_ops *dma_ops;
 extern struct ia64_machine_vector ia64_mv;
 extern void set_iommu_machvec(void);
-- 
1.7.1

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