diff options
Diffstat (limited to 'arch/blackfin')
-rw-r--r-- | arch/blackfin/include/asm/scatterlist.h | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/arch/blackfin/include/asm/scatterlist.h b/arch/blackfin/include/asm/scatterlist.h index 04f448711cd0..64d41d34ab0b 100644 --- a/arch/blackfin/include/asm/scatterlist.h +++ b/arch/blackfin/include/asm/scatterlist.h | |||
@@ -1,27 +1,7 @@ | |||
1 | #ifndef _BLACKFIN_SCATTERLIST_H | 1 | #ifndef _BLACKFIN_SCATTERLIST_H |
2 | #define _BLACKFIN_SCATTERLIST_H | 2 | #define _BLACKFIN_SCATTERLIST_H |
3 | 3 | ||
4 | #include <linux/mm.h> | 4 | #include <asm-generic/scatterlist.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; | ||
12 | dma_addr_t dma_address; | ||
13 | unsigned int length; | ||
14 | }; | ||
15 | |||
16 | /* | ||
17 | * These macros should be used after a pci_map_sg call has been done | ||
18 | * to get bus addresses of each of the SG entries and their lengths. | ||
19 | * You should only work with the number of sg entries pci_map_sg | ||
20 | * returns, or alternatively stop on the first sg_dma_len(sg) which | ||
21 | * is 0. | ||
22 | */ | ||
23 | #define sg_dma_address(sg) ((sg)->dma_address) | ||
24 | #define sg_dma_len(sg) ((sg)->length) | ||
25 | 5 | ||
26 | #define ISA_DMA_THRESHOLD (0xffffffff) | 6 | #define ISA_DMA_THRESHOLD (0xffffffff) |
27 | 7 | ||