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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>
This commit is contained in:
Yinghai Lu 2012-05-17 18:51:13 -07:00 committed by Bjorn Helgaas
parent 30aa80da43
commit b17c0e6f66
1 changed files with 4 additions and 1 deletions
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5
arch/tile/kernel/pci.c
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@ -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;
}