| /* 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 |