22 	if (!dev->bus->dev.of_node)  in pci_set_of_node()
24 	dev->dev.of_node = of_pci_find_child_device(dev->bus->dev.of_node,  in pci_set_of_node()
34 void pci_set_bus_of_node(struct pci_bus *bus)  in pci_set_bus_of_node()  argument
36 	if (bus->self == NULL)  in pci_set_bus_of_node()
37 		bus->dev.of_node = pcibios_get_phb_of_node(bus);  in pci_set_bus_of_node()
39 		bus->dev.of_node = of_node_get(bus->self->dev.of_node);  in pci_set_bus_of_node()
42 void pci_release_bus_of_node(struct pci_bus *bus)  in pci_release_bus_of_node()  argument
44 	of_node_put(bus->dev.of_node);  in pci_release_bus_of_node()
45 	bus->dev.of_node = NULL;  in pci_release_bus_of_node()
48 struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus)  in pcibios_get_phb_of_node()  argument
51 	if (WARN_ON(bus->self || bus->parent))  in pcibios_get_phb_of_node()
58 	if (bus->bridge->of_node)  in pcibios_get_phb_of_node()
59 		return of_node_get(bus->bridge->of_node);  in pcibios_get_phb_of_node()
60 	if (bus->bridge->parent && bus->bridge->parent->of_node)  in pcibios_get_phb_of_node()
61 		return of_node_get(bus->bridge->parent->of_node);  in pcibios_get_phb_of_node()
65 struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus)  in pci_host_bridge_of_msi_domain()  argument
70 	if (!bus->dev.of_node)  in pci_host_bridge_of_msi_domain()
74 	d = of_msi_get_domain(&bus->dev, bus->dev.of_node, DOMAIN_BUS_PCI_MSI);  in pci_host_bridge_of_msi_domain()
82 	d = irq_find_matching_host(bus->dev.of_node, DOMAIN_BUS_PCI_MSI);  in pci_host_bridge_of_msi_domain()
86 	return irq_find_host(bus->dev.of_node);  in pci_host_bridge_of_msi_domain()