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kernel/linux-imx6_3.14.28/include/asm-generic/pci.h 810 Bytes
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  /*
   * linux/include/asm-generic/pci.h
   *
   *  Copyright (C) 2003 Russell King
   */
  #ifndef _ASM_GENERIC_PCI_H
  #define _ASM_GENERIC_PCI_H
  
  static inline struct resource *
  pcibios_select_root(struct pci_dev *pdev, struct resource *res)
  {
  	struct resource *root = NULL;
  
  	if (res->flags & IORESOURCE_IO)
  		root = &ioport_resource;
  	if (res->flags & IORESOURCE_MEM)
  		root = &iomem_resource;
  
  	return root;
  }
  
  #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
  static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  {
  	return channel ? 15 : 14;
  }
  #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
  
  /*
   * By default, assume that no iommu is in use and that the PCI
   * space is mapped to address physical 0.
   */
  #ifndef PCI_DMA_BUS_IS_PHYS
  #define PCI_DMA_BUS_IS_PHYS	(1)
  #endif
  
  #endif /* _ASM_GENERIC_PCI_H */