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Commit b17c0e6f authored by Yinghai Lu's avatar Yinghai Lu Committed by Bjorn Helgaas
Browse files

tile/PCI: use pci_scan_root_bus instead pci_scan_bus 



It will update busn_res accordingly, so we get that for last_busno.

Acked-by: default avatarChris Metcalf <cmetcalf@tilera.com>
Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 30aa80da

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;

		}