xref: /linux/include/asm-generic/pci.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
10 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
11 {
12 	return channel ? 15 : 14;
13 }
14 #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
15 
16 /*
17  * By default, assume that no iommu is in use and that the PCI
18  * space is mapped to address physical 0.
19  */
20 #ifndef PCI_DMA_BUS_IS_PHYS
21 #define PCI_DMA_BUS_IS_PHYS	(1)
22 #endif
23 
24 #endif /* _ASM_GENERIC_PCI_H */
25