xref: /openbmc/linux/arch/s390/include/asm/dma.h (revision c6557e7f2b6ae76a44653d38f835174074c42e05)
1*c6557e7fSMartin Schwidefsky /*
2*c6557e7fSMartin Schwidefsky  *  include/asm-s390/dma.h
3*c6557e7fSMartin Schwidefsky  *
4*c6557e7fSMartin Schwidefsky  *  S390 version
5*c6557e7fSMartin Schwidefsky  */
6*c6557e7fSMartin Schwidefsky 
7*c6557e7fSMartin Schwidefsky #ifndef _ASM_DMA_H
8*c6557e7fSMartin Schwidefsky #define _ASM_DMA_H
9*c6557e7fSMartin Schwidefsky 
10*c6557e7fSMartin Schwidefsky #include <asm/io.h>		/* need byte IO */
11*c6557e7fSMartin Schwidefsky 
12*c6557e7fSMartin Schwidefsky #define MAX_DMA_ADDRESS         0x80000000
13*c6557e7fSMartin Schwidefsky 
14*c6557e7fSMartin Schwidefsky #define free_dma(x)	do { } while (0)
15*c6557e7fSMartin Schwidefsky 
16*c6557e7fSMartin Schwidefsky #endif /* _ASM_DMA_H */
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