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| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-09 02:55:21 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-09 02:55:21 +0200 |
| commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
| tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /include/asm-generic/dma.h | |
| parent | Merge branch 'iop-raid6' into async-tx-next (diff) | |
| parent | dmaengine: Move all map_sg/unmap_sg for slave channel to its client (diff) | |
| download | linux-bbb20089a3275a19e475dbc21320c3742e3ca423.tar.xz linux-bbb20089a3275a19e475dbc21320c3742e3ca423.zip | |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
Diffstat (limited to 'include/asm-generic/dma.h')
| -rw-r--r-- | include/asm-generic/dma.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-generic/dma.h b/include/asm-generic/dma.h new file mode 100644 index 000000000000..9dfc3a7f36d2 --- /dev/null +++ b/include/asm-generic/dma.h @@ -0,0 +1,15 @@ +#ifndef __ASM_GENERIC_DMA_H +#define __ASM_GENERIC_DMA_H +/* + * This file traditionally describes the i8237 PC style DMA controller. + * Most architectures don't have these any more and can get the minimal + * implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS. + * + * Some code relies on seeing MAX_DMA_ADDRESS though. + */ +#define MAX_DMA_ADDRESS PAGE_OFFSET + +extern int request_dma(unsigned int dmanr, const char *device_id); +extern void free_dma(unsigned int dmanr); + +#endif /* __ASM_GENERIC_DMA_H */ |