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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __OF_PCI_H3#define __OF_PCI_H4 5#include <linux/types.h>6#include <linux/errno.h>7 8struct pci_dev;9struct device_node;10 11#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)12struct device_node *of_pci_find_child_device(struct device_node *parent,13 unsigned int devfn);14int of_pci_get_devfn(struct device_node *np);15void of_pci_check_probe_only(void);16#else17static inline struct device_node *of_pci_find_child_device(struct device_node *parent,18 unsigned int devfn)19{20 return NULL;21}22 23static inline int of_pci_get_devfn(struct device_node *np)24{25 return -EINVAL;26}27 28static inline void of_pci_check_probe_only(void) { }29#endif30 31#if IS_ENABLED(CONFIG_OF_IRQ)32int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);33#else34static inline int35of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)36{37 return 0;38}39#endif40 41#endif42