linuxdebug/arch/s390/include/asm/dma.h

15 lines
358 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#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
#endif /* _ASM_S390_DMA_H */