static void pcibios_scan_phb()

in pci/pci-common.c [956:978]

• 19 lines of code
• 2 McCabe index (conditional complexity)

static void pcibios_scan_phb(struct pci_controller *hose)
{
	LIST_HEAD(resources);
	struct pci_bus *bus;
	struct device_node *node = hose->dn;

	pr_debug("PCI: Scanning PHB %pOF\n", node);

	pcibios_setup_phb_resources(hose, &resources);

	bus = pci_scan_root_bus(hose->parent, hose->first_busno,
				hose->ops, hose, &resources);
	if (bus == NULL) {
		pr_err("Failed to create bus for PCI domain %04x\n",
		       hose->global_number);
		pci_free_resource_list(&resources);
		return;
	}
	bus->busn_res.start = hose->first_busno;
	hose->bus = bus;

	hose->last_busno = bus->busn_res.end;
}