1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_IA64_DMA_H 3 #define _ASM_IA64_DMA_H 4 5 /* 6 * Copyright (C) 1998-2002 Hewlett-Packard Co 7 * David Mosberger-Tang <davidm@hpl.hp.com> 8 */ 9 10 11 #include <asm/io.h> /* need byte IO */ 12 13 extern unsigned long MAX_DMA_ADDRESS; 14 15 #ifdef CONFIG_PCI 16 extern int isa_dma_bridge_buggy; 17 #else 18 # define isa_dma_bridge_buggy (0) 19 #endif 20 21 #define free_dma(x) 22 23 #endif /* _ASM_IA64_DMA_H */ 24