M7350/kernel/arch/s390/include/asm/dma.h

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#ifndef _ASM_S390_DMA_H
#define _ASM_S390_DMA_H
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#include <asm/io.h>
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/*
* 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.
*/
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#define MAX_DMA_ADDRESS 0x80000000
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#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
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#endif /* _ASM_S390_DMA_H */