tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / arch / s390 / include / asm / dma.h
at v3.19-rc4 19 lines 417 B view raw
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 */