[deliverable/linux.git] / arch / s390 / include / asm / dma.h

#ifndef _ASM_S390_DMA_H
#define _ASM_S390_DMA_H

#include <asm/io.h>

/*
 * MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated
 * to DMA. It _is_ used for the s390 memory zone split at 2GB caused
 * by the 31 bit heritage.
 */
#define MAX_DMA_ADDRESS         0x80000000

#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy	(0)
#endif

#endif /* _ASM_S390_DMA_H */
Commit	Line	Data
828b35f6 JG	1	#ifndef _ASM_S390_DMA_H
828b35f6 JG	2	#define _ASM_S390_DMA_H
1da177e4	3
828b35f6	4	#include <asm/io.h>
1da177e4	5
828b35f6 JG	6	/*
	7	* MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated
	8	* to DMA. It _is_ used for the s390 memory zone split at 2GB caused
	9	* by the 31 bit heritage.
	10	*/
1da177e4 LT	11	#define MAX_DMA_ADDRESS 0x80000000
1da177e4 LT	12
87890f92 HC	13	#ifdef CONFIG_PCI
	14	extern int isa_dma_bridge_buggy;
	15	#else
	16	#define isa_dma_bridge_buggy (0)
	17	#endif
	18
828b35f6	19	#endif /* _ASM_S390_DMA_H */