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| author |   Paul Mundt <lethal@linux-sh.org> | 2006-09-27 14:48:09 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 14:48:09 +0900 |
| commit | 634bf4f69b925950ddb09ef99ad7516a449a4333 (patch) | |
| tree | 2a43f2602bf06c7e4430452bcd9f5bc4ab851532 /include/asm-sh/scatterlist.h | |
| parent | sh: Fix TCP payload csum bug in csum_partial_copy_generic(). (diff) | |
| download | linux-dev-634bf4f69b925950ddb09ef99ad7516a449a4333.tar.xz linux-dev-634bf4f69b925950ddb09ef99ad7516a449a4333.zip | |
sh: Fix libata build.
Drop virt_to_bus() from sg_dma_address() so libata builds.
While we're at it, move sg_dma_address() and sg_dma_len()
from pci.h to scatterlist.h.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/scatterlist.h')
| -rw-r--r-- | include/asm-sh/scatterlist.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-sh/scatterlist.h b/include/asm-sh/scatterlist.h index 7b91df140022..d19e7cd3b023 100644 --- a/include/asm-sh/scatterlist.h +++ b/include/asm-sh/scatterlist.h @@ -10,4 +10,13 @@ struct scatterlist { #define ISA_DMA_THRESHOLD (0x1fffffff) +/* 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) + #endif /* !(__ASM_SH_SCATTERLIST_H) */ |