linux-kernel - [PATCH -mm 4/5] arm: use asm-generic/scatterlist.h

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Date:	Sun,  4 Apr 2010 23:25:52 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, fujita.tomonori@....ntt.co.jp,
	arnd@...db.de, Russell King <linux@....linux.org.uk>
Subject: [PATCH -mm 4/5] arm: use asm-generic/scatterlist.h

Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc: Russell King <linux@....linux.org.uk>
---
 arch/arm/include/asm/scatterlist.h |   20 ++------------------
 1 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/arch/arm/include/asm/scatterlist.h b/arch/arm/include/asm/scatterlist.h
index ca0a37d..bcda59f 100644
--- a/arch/arm/include/asm/scatterlist.h
+++ b/arch/arm/include/asm/scatterlist.h
@@ -4,24 +4,8 @@
 #include <asm/memory.h>
 #include <asm/types.h>
 
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long	sg_magic;
-#endif
-	unsigned long	page_link;
-	unsigned int	offset;		/* buffer offset		 */
-	dma_addr_t	dma_address;	/* dma address			 */
-	unsigned int	length;		/* length			 */
-};
+#include <asm-generic/scatterlist.h>
 
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg)      ((sg)->dma_address)
-#define sg_dma_len(sg)          ((sg)->length)
+#undef ARCH_HAS_SG_CHAIN
 
 #endif /* _ASMARM_SCATTERLIST_H */
-- 
1.7.0

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