|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef __OF_PCI_H | 
|  | #define __OF_PCI_H | 
|  |  | 
|  | #include <linux/pci.h> | 
|  | #include <linux/msi.h> | 
|  |  | 
|  | struct pci_dev; | 
|  | struct of_phandle_args; | 
|  | struct device_node; | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI) | 
|  | struct device_node *of_pci_find_child_device(struct device_node *parent, | 
|  | unsigned int devfn); | 
|  | int of_pci_get_devfn(struct device_node *np); | 
|  | void of_pci_check_probe_only(void); | 
|  | #else | 
|  | static inline struct device_node *of_pci_find_child_device(struct device_node *parent, | 
|  | unsigned int devfn) | 
|  | { | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | static inline int of_pci_get_devfn(struct device_node *np) | 
|  | { | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | static inline void of_pci_check_probe_only(void) { } | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_OF_IRQ) | 
|  | int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); | 
|  | #else | 
|  | static inline int | 
|  | of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif |