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: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -310,6 +310,7 @@ int __init pcibios_init(void)
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if (pci_scan_flags[i] == 0 && controllers[i].ops != NULL) {
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struct pci_controller *controller = &controllers[i];
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struct pci_bus *bus;
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LIST_HEAD(resources);
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if (tile_init_irqs(i, controller)) {
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pr_err("PCI: Could not initialize IRQs\n");
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@ -327,7 +328,9 @@ int __init pcibios_init(void)
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* This is inlined in linux/pci.h and calls into
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* pci_scan_bus_parented() in probe.c.
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*/
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bus = pci_scan_bus(0, controller->ops, controller);
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pci_add_resource(&resources, &ioport_resource);
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pci_add_resource(&resources, &iomem_resource);
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bus = pci_scan_root_bus(NULL, 0, controller->ops, controller, &resources);
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controller->root_bus = bus;
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controller->last_busno = bus->busn_res.end;
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}
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