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| author | Greg Ungerer <gerg@snapgear.com> | 2005-09-13 11:14:08 +1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-12 20:04:15 -0700 |
| commit | 7cf27cb4162bd586c015e32383f30bc7fbb3ff8a (patch) | |
| tree | abba76806a5506eaa9e793e8bdd7b6c8ca6b44fa /include/asm-m68knommu | |
| parent | 962d69ed6f5c911fbdb23ef2304e3a5903e5ccbb (diff) | |
| download | op-kernel-dev-7cf27cb4162bd586c015e32383f30bc7fbb3ff8a.zip op-kernel-dev-7cf27cb4162bd586c015e32383f30bc7fbb3ff8a.tar.gz | |
[PATCH] m68knommu: implement scatter/gather support macros
Implement the scattergather support macros for m68knommu targets.
Patch originally submitted by Leon Woestenberg <leonw@mailcan.com>.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-m68knommu')
| -rw-r--r-- | include/asm-m68knommu/scatterlist.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-m68knommu/scatterlist.h b/include/asm-m68knommu/scatterlist.h index 230b8d5..12309b1 100644 --- a/include/asm-m68knommu/scatterlist.h +++ b/include/asm-m68knommu/scatterlist.h @@ -1,6 +1,8 @@ #ifndef _M68KNOMMU_SCATTERLIST_H #define _M68KNOMMU_SCATTERLIST_H +#include <linux/mm.h> + struct scatterlist { struct page *page; unsigned int offset; @@ -8,6 +10,10 @@ struct scatterlist { unsigned int length; }; +#define sg_address(sg) (page_address((sg)->page) + (sg)->offset +#define sg_dma_address(sg) ((sg)->dma_address) +#define sg_dma_len(sg) ((sg)->length) + #define ISA_DMA_THRESHOLD (0xffffffff) #endif /* !(_M68KNOMMU_SCATTERLIST_H) */ |
