diff options
-rw-r--r-- | arch/sh/include/asm/scatterlist.h | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h index c693d268a413..327cc2e4c97b 100644 --- a/arch/sh/include/asm/scatterlist.h +++ b/arch/sh/include/asm/scatterlist.h | |||
@@ -1,28 +1,8 @@ | |||
1 | #ifndef __ASM_SH_SCATTERLIST_H | 1 | #ifndef __ASM_SH_SCATTERLIST_H |
2 | #define __ASM_SH_SCATTERLIST_H | 2 | #define __ASM_SH_SCATTERLIST_H |
3 | 3 | ||
4 | #include <asm/types.h> | ||
5 | |||
6 | struct scatterlist { | ||
7 | #ifdef CONFIG_DEBUG_SG | ||
8 | unsigned long sg_magic; | ||
9 | #endif | ||
10 | unsigned long page_link; | ||
11 | unsigned int offset; /* for highmem, page offset */ | ||
12 | unsigned int length; | ||
13 | dma_addr_t dma_address; | ||
14 | unsigned int dma_length; | ||
15 | }; | ||
16 | |||
17 | #define ISA_DMA_THRESHOLD PHYS_ADDR_MASK | 4 | #define ISA_DMA_THRESHOLD PHYS_ADDR_MASK |
18 | 5 | ||
19 | /* These macros should be used after a pci_map_sg call has been done | 6 | #include <asm-generic/scatterlist.h> |
20 | * to get bus addresses of each of the SG entries and their lengths. | ||
21 | * You should only work with the number of sg entries pci_map_sg | ||
22 | * returns, or alternatively stop on the first sg_dma_len(sg) which | ||
23 | * is 0. | ||
24 | */ | ||
25 | #define sg_dma_address(sg) ((sg)->dma_address) | ||
26 | #define sg_dma_len(sg) ((sg)->length) | ||
27 | 7 | ||
28 | #endif /* !(__ASM_SH_SCATTERLIST_H) */ | 8 | #endif /* __ASM_SH_SCATTERLIST_H */ |