Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef __OF_PCI_H
2#define __OF_PCI_H
3
4#include <linux/pci.h>
5#include <linux/msi.h>
6
7struct pci_dev;
8struct of_phandle_args;
9struct device_node;
10
11#ifdef CONFIG_OF
12int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
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);
16int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
17int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
18#else
19static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
20{
21 return 0;
22}
23
24static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
25 unsigned int devfn)
26{
27 return NULL;
28}
29
30static inline int of_pci_get_devfn(struct device_node *np)
31{
32 return -EINVAL;
33}
34
35static inline int
36of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
37{
38 return 0;
39}
40
41static inline int
42of_pci_parse_bus_range(struct device_node *node, struct resource *res)
43{
44 return -EINVAL;
45}
46#endif
47
48#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
49int of_pci_msi_chip_add(struct msi_chip *chip);
50void of_pci_msi_chip_remove(struct msi_chip *chip);
51struct msi_chip *of_pci_find_msi_chip_by_node(struct device_node *of_node);
52#else
53static inline int of_pci_msi_chip_add(struct msi_chip *chip) { return -EINVAL; }
54static inline void of_pci_msi_chip_remove(struct msi_chip *chip) { }
55static inline struct msi_chip *
56of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
57#endif
58
59#endif