diff options
Diffstat (limited to 'include/asm-mn10300/scatterlist.h')
| -rw-r--r-- | include/asm-mn10300/scatterlist.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-mn10300/scatterlist.h b/include/asm-mn10300/scatterlist.h index e29d91dbcf2b..67535901b9ff 100644 --- a/include/asm-mn10300/scatterlist.h +++ b/include/asm-mn10300/scatterlist.h @@ -43,4 +43,13 @@ struct scatterlist { #define ISA_DMA_THRESHOLD (0x00ffffff) +/* + * 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. + */ +#define sg_dma_address(sg) ((sg)->dma_address) +#define sg_dma_len(sg) ((sg)->length) + #endif /* _ASM_SCATTERLIST_H */ |