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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-07-23 00:47:29 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-07-23 00:47:29 -0400
commitbd072111e7319d90a7b8127f91c2806b9a6f279e (patch)
tree1686978814a2387ebfc16f9f5778a7f0caaf319b /include/asm-generic/dma.h
parent24d01c0681bfbc10a99304c48a89ad213d2d7a4b (diff)
parent4be3bd7849165e7efa6b0b35a23d6a3598d97465 (diff)
Merge commit 'v2.6.31-rc4' into next
Diffstat (limited to 'include/asm-generic/dma.h')
-rw-r--r--include/asm-generic/dma.h15
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
12extern int request_dma(unsigned int dmanr, const char *device_id);
13extern void free_dma(unsigned int dmanr);
14
15#endif /* __ASM_GENERIC_DMA_H */