1 /* 2 * linux/include/asm-generic/pci.h 3 * 4 * Copyright (C) 2003 Russell King 5 */ 6 #ifndef _ASM_GENERIC_PCI_H 7 #define _ASM_GENERIC_PCI_H 8 9 static inline struct resource * 10 pcibios_select_root(struct pci_dev *pdev, struct resource *res) 11 { 12 struct resource *root = NULL; 13 14 if (res->flags & IORESOURCE_IO) 15 root = &ioport_resource; 16 if (res->flags & IORESOURCE_MEM) 17 root = &iomem_resource; 18 19 return root; 20 } 21 22 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ 23 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 24 { 25 return channel ? 15 : 14; 26 } 27 #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */ 28 29 /* 30 * By default, assume that no iommu is in use and that the PCI 31 * space is mapped to address physical 0. 32 */ 33 #ifndef PCI_DMA_BUS_IS_PHYS 34 #define PCI_DMA_BUS_IS_PHYS (1) 35 #endif 36 37 #endif /* _ASM_GENERIC_PCI_H */ 38