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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-07-23 00:47:29 -0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-07-23 00:47:29 -0400 |
commit | bd072111e7319d90a7b8127f91c2806b9a6f279e (patch) | |
tree | 1686978814a2387ebfc16f9f5778a7f0caaf319b /include/asm-generic/dma.h | |
parent | 24d01c0681bfbc10a99304c48a89ad213d2d7a4b (diff) | |
parent | 4be3bd7849165e7efa6b0b35a23d6a3598d97465 (diff) |
Merge commit 'v2.6.31-rc4' into next
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 @@ | |||
1 | #ifndef __ASM_GENERIC_DMA_H | ||
2 | #define __ASM_GENERIC_DMA_H | ||
3 | /* | ||
4 | * This file traditionally describes the i8237 PC style DMA controller. | ||
5 | * Most architectures don't have these any more and can get the minimal | ||
6 | * implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS. | ||
7 | * | ||
8 | * Some code relies on seeing MAX_DMA_ADDRESS though. | ||
9 | */ | ||
10 | #define MAX_DMA_ADDRESS PAGE_OFFSET | ||
11 | |||
12 | extern int request_dma(unsigned int dmanr, const char *device_id); | ||
13 | extern void free_dma(unsigned int dmanr); | ||
14 | |||
15 | #endif /* __ASM_GENERIC_DMA_H */ | ||