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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 10:09:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 10:09:16 -0700 |
| commit | 92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0 (patch) | |
| tree | 8d83c0dc3c6b935d8367e331872f242b742f0a8a /include/asm-x86/dma-mapping_32.h | |
| parent | f20bf6125605acbbc7eb8c9420d7221c91aa83eb (diff) | |
| parent | 644bd2f048972d75eb1979b1fdca257d528ce687 (diff) | |
| download | lwn-92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0.tar.gz lwn-92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0.zip | |
Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: (63 commits)
Fix memory leak in dm-crypt
SPARC64: sg chaining support
SPARC: sg chaining support
PPC: sg chaining support
PS3: sg chaining support
IA64: sg chaining support
x86-64: enable sg chaining
x86-64: update pci-gart iommu to sg helpers
x86-64: update nommu to sg helpers
x86-64: update calgary iommu to sg helpers
swiotlb: sg chaining support
i386: enable sg chaining
i386 dma_map_sg: convert to using sg helpers
mmc: need to zero sglist on init
Panic in blk_rq_map_sg() from CCISS driver
remove sglist_len
remove blk_queue_max_phys_segments in libata
revert sg segment size ifdefs
Fixup u14-34f ENABLE_SG_CHAINING
qla1280: enable use_sg_chaining option
...
Diffstat (limited to 'include/asm-x86/dma-mapping_32.h')
| -rw-r--r-- | include/asm-x86/dma-mapping_32.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h index f1d72d177f68..6a2d26cb5da6 100644 --- a/include/asm-x86/dma-mapping_32.h +++ b/include/asm-x86/dma-mapping_32.h @@ -2,10 +2,10 @@ #define _ASM_I386_DMA_MAPPING_H #include <linux/mm.h> +#include <linux/scatterlist.h> #include <asm/cache.h> #include <asm/io.h> -#include <asm/scatterlist.h> #include <asm/bug.h> #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) @@ -35,18 +35,19 @@ dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, } static inline int -dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, +dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) { + struct scatterlist *sg; int i; BUG_ON(!valid_dma_direction(direction)); - WARN_ON(nents == 0 || sg[0].length == 0); + WARN_ON(nents == 0 || sglist[0].length == 0); - for (i = 0; i < nents; i++ ) { - BUG_ON(!sg[i].page); + for_each_sg(sglist, sg, nents, i) { + BUG_ON(!sg->page); - sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset; + sg->dma_address = page_to_phys(sg->page) + sg->offset; } flush_write_buffers(); |