1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_S390_DMA_H
 3#define _ASM_S390_DMA_H
 4
 5#include <asm/io.h>
 6
 7/*
 8 * MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated
 9 * to DMA. It _is_ used for the s390 memory zone split at 2GB caused
10 * by the 31 bit heritage.
11 */
12#define MAX_DMA_ADDRESS         0x80000000
 
 
 
 
 
 
13
14#endif /* _ASM_S390_DMA_H */

 
 1#ifndef _ASM_S390_DMA_H
 2#define _ASM_S390_DMA_H
 3
 4#include <asm/io.h>
 5
 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 */
11#define MAX_DMA_ADDRESS         0x80000000
12
13#ifdef CONFIG_PCI
14extern int isa_dma_bridge_buggy;
15#else
16#define isa_dma_bridge_buggy	(0)
17#endif
18
19#endif /* _ASM_S390_DMA_H */