diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-06-17 08:59:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-17 08:59:10 +0200 |
| commit | cc4949e1fdade5d063e9f8783cf0e2cc92041ce5 (patch) | |
| tree | 4023bd641bfe464efbde518fb504d6865c9df014 /include/asm-generic/dma.h | |
| parent | 28b4868820a56de661f54742ff91b78e12f1e582 (diff) | |
| parent | 300df7dc89cc276377fc020704e34875d5c473b6 (diff) | |
Merge branch 'linus' into x86/urgent
Merge reason: pull in latest to fix a bug in it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 00000000000..9dfc3a7f36d --- /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 */ |