21 строка
456 B
C
21 строка
456 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
|
|
|
|
#ifdef CONFIG_PCI
|
|
extern int isa_dma_bridge_buggy;
|
|
#else
|
|
#define isa_dma_bridge_buggy (0)
|
|
#endif
|
|
|
|
#endif /* _ASM_S390_DMA_H */
|