arch/ia64/include/asm/dma.h

   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 */