root/include/linux/of_pci.h

INCLUDED FROM

DEFINITIONS

1. of_pci_find_child_device
2. of_pci_get_devfn
3. of_pci_check_probe_only
4. of_irq_parse_and_map_pci

   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 
   8 struct pci_dev;
   9 struct of_phandle_args;
  10 struct device_node;
  11 
  12 #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)
  13 struct device_node *of_pci_find_child_device(struct device_node *parent,
  14                                              unsigned int devfn);
  15 int of_pci_get_devfn(struct device_node *np);
  16 void of_pci_check_probe_only(void);
  17 #else
  18 static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
  19                                              unsigned int devfn)
  20 {
  21         return NULL;
  22 }
  23 
  24 static inline int of_pci_get_devfn(struct device_node *np)
  25 {
  26         return -EINVAL;
  27 }
  28 
  29 static inline void of_pci_check_probe_only(void) { }
  30 #endif
  31 
  32 #if IS_ENABLED(CONFIG_OF_IRQ)
  33 int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
  34 #else
  35 static inline int
  36 of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
  37 {
  38         return 0;
  39 }
  40 #endif
  41 
  42 #endif