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
  11 static 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 */