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 */ 26