|  | /* | 
|  | * 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 */ |