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arm: use asm-generic/scatterlist.h

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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
FUJITA Tomonori 2010-04-04 23:25:52 +09:00 committed by Russell King
parent 52882173cf
commit 4d736b5e1c
1 changed files with 2 additions and 18 deletions
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20
arch/arm/include/asm/scatterlist.h
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@ -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 */