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sh: Convert to asm-generic/scatterlist.h.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-06-14 23:25:04 +09:00
parent 508fb69886
commit 84f8369015

View file

@ -1,28 +1,8 @@
#ifndef __ASM_SH_SCATTERLIST_H #ifndef __ASM_SH_SCATTERLIST_H
#define __ASM_SH_SCATTERLIST_H #define __ASM_SH_SCATTERLIST_H
#include <asm/types.h>
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset; /* for highmem, page offset */
unsigned int length;
dma_addr_t dma_address;
unsigned int dma_length;
};
#define ISA_DMA_THRESHOLD PHYS_ADDR_MASK #define ISA_DMA_THRESHOLD PHYS_ADDR_MASK
/* These macros should be used after a pci_map_sg call has been done #include <asm-generic/scatterlist.h>
* 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)
#endif /* !(__ASM_SH_SCATTERLIST_H) */ #endif /* __ASM_SH_SCATTERLIST_H */