20 	if (!dev->bus->dev.of_node)  in pci_set_of_node()
22 	dev->dev.of_node = of_pci_find_child_device(dev->bus->dev.of_node,  in pci_set_of_node()
32 void pci_set_bus_of_node(struct pci_bus *bus)  in pci_set_bus_of_node()  argument
34 	if (bus->self == NULL)  in pci_set_bus_of_node()
35 		bus->dev.of_node = pcibios_get_phb_of_node(bus);  in pci_set_bus_of_node()
37 		bus->dev.of_node = of_node_get(bus->self->dev.of_node);  in pci_set_bus_of_node()
40 void pci_release_bus_of_node(struct pci_bus *bus)  in pci_release_bus_of_node()  argument
42 	of_node_put(bus->dev.of_node);  in pci_release_bus_of_node()
43 	bus->dev.of_node = NULL;  in pci_release_bus_of_node()
46 struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus)  in pcibios_get_phb_of_node()  argument
49 	if (WARN_ON(bus->self || bus->parent))  in pcibios_get_phb_of_node()
56 	if (bus->bridge->of_node)  in pcibios_get_phb_of_node()
57 		return of_node_get(bus->bridge->of_node);  in pcibios_get_phb_of_node()
58 	if (bus->bridge->parent && bus->bridge->parent->of_node)  in pcibios_get_phb_of_node()
59 		return of_node_get(bus->bridge->parent->of_node);  in pcibios_get_phb_of_node()