Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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);
17int of_pci_map_rid(struct device_node *np, u32 rid,
18 const char *map_name, const char *map_mask_name,
19 struct device_node **target, u32 *id_out);
20#else
21static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
22 unsigned int devfn)
23{
24 return NULL;
25}
26
27static inline int of_pci_get_devfn(struct device_node *np)
28{
29 return -EINVAL;
30}
31
32static inline int of_pci_map_rid(struct device_node *np, u32 rid,
33 const char *map_name, const char *map_mask_name,
34 struct device_node **target, u32 *id_out)
35{
36 return -EINVAL;
37}
38
39static inline void of_pci_check_probe_only(void) { }
40#endif
41
42#if IS_ENABLED(CONFIG_OF_IRQ)
43int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
44#else
45static inline int
46of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
47{
48 return 0;
49}
50#endif
51
52#endif