LXR linux/include/asm-generic/pci.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * linux/include/asm-generic/pci.h
   4 *
   5 *  Copyright (C) 2003 Russell King
   6 */
   7#ifndef _ASM_GENERIC_PCI_H
   8#define _ASM_GENERIC_PCI_H
   9
  10#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
  11static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  12{
  13        return channel ? 15 : 14;
  14}
  15#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
  16
  17/*
  18 * By default, assume that no iommu is in use and that the PCI
  19 * space is mapped to address physical 0.
  20 */
  21#ifndef PCI_DMA_BUS_IS_PHYS
  22#define PCI_DMA_BUS_IS_PHYS     (1)
  23#endif
  24
  25#endif /* _ASM_GENERIC_PCI_H */
  26