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-rw-r--r--include/asm-m68k/dma.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-m68k/dma.h b/include/asm-m68k/dma.h
new file mode 100644
index 000000000000..d5266a886226
--- /dev/null
+++ b/include/asm-m68k/dma.h
@@ -0,0 +1,21 @@
1#ifndef _M68K_DMA_H
2#define _M68K_DMA_H 1
3
4#include <linux/config.h>
5
6/* it's useless on the m68k, but unfortunately needed by the new
7 bootmem allocator (but this should do it for this) */
8#define MAX_DMA_ADDRESS PAGE_OFFSET
9
10#define MAX_DMA_CHANNELS 8
11
12extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */
13extern void free_dma(unsigned int dmanr); /* release it again */
14
15#ifdef CONFIG_PCI
16extern int isa_dma_bridge_buggy;
17#else
18#define isa_dma_bridge_buggy (0)
19#endif
20
21#endif /* _M68K_DMA_H */