Loading...
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
11static 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#endif /* _ASM_GENERIC_PCI_H */
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
9static inline struct resource *
10pcibios_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
23static 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 */