tile/PCI: use pci_scan_root_bus instead pci_scan_bus (b17c0e6f) · Commits · 戴 / test

It will update busn_res accordingly, so we get that for last_busno. Acked-by:

arch/tile/kernel/pci.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -310,6 +310,7 @@ int __init pcibios_init(void)
		if (pci_scan_flags[i] == 0 && controllers[i].ops != NULL) {
		struct pci_controller *controller = &controllers[i];
		struct pci_bus *bus;
		LIST_HEAD(resources);

		if (tile_init_irqs(i, controller)) {
		pr_err("PCI: Could not initialize IRQs\n");
		@@ -327,7 +328,9 @@ int __init pcibios_init(void)
		* This is inlined in linux/pci.h and calls into
		* pci_scan_bus_parented() in probe.c.
		*/
		bus = pci_scan_bus(0, controller->ops, controller);
		pci_add_resource(&resources, &ioport_resource);
		pci_add_resource(&resources, &iomem_resource);
		bus = pci_scan_root_bus(NULL, 0, controller->ops, controller, &resources);
		controller->root_bus = bus;
		controller->last_busno = bus->busn_res.end;
		}