1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __OF_PCI_H
3#define __OF_PCI_H
4
5#include <linux/pci.h>
6#include <linux/msi.h>
7
8struct pci_dev;
9struct of_phandle_args;
10struct device_node;
11
12#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)
13struct device_node *of_pci_find_child_device(struct device_node *parent,
14 unsigned int devfn);
15int of_pci_get_devfn(struct device_node *np);
16void of_pci_check_probe_only(void);
17#else
18static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
19 unsigned int devfn)
20{
21 return NULL;
22}
23
24static inline int of_pci_get_devfn(struct device_node *np)
25{
26 return -EINVAL;
27}
28
29static inline void of_pci_check_probe_only(void) { }
30#endif
31
32#if IS_ENABLED(CONFIG_OF_IRQ)
33int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
34#else
35static inline int
36of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
37{
38 return 0;
39}
40#endif
41
42#endif
43