Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
828b35f6 JG |
2 | #ifndef _ASM_S390_DMA_H |
3 | #define _ASM_S390_DMA_H | |
1da177e4 | 4 | |
828b35f6 | 5 | #include <asm/io.h> |
1da177e4 | 6 | |
828b35f6 JG |
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 | */ | |
1da177e4 LT |
12 | #define MAX_DMA_ADDRESS 0x80000000 |
13 | ||
87890f92 HC |
14 | #ifdef CONFIG_PCI |
15 | extern int isa_dma_bridge_buggy; | |
16 | #else | |
17 | #define isa_dma_bridge_buggy (0) | |
18 | #endif | |
19 | ||
828b35f6 | 20 | #endif /* _ASM_S390_DMA_H */ |