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Commit 857c3b66 authored by Yinghai Lu's avatar Yinghai Lu Committed by Bjorn Helgaas
Browse files

PCI: add default busn_res for pci_scan_bus() 



also do not need to shrink busn_res.

Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 67cdc827

drivers/pci/probe.c

+4 −2
Original line number Diff line number Diff line
@@ -1836,9 +1836,10 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent, 


	pci_add_resource(&resources, &ioport_resource);

	pci_add_resource(&resources, &iomem_resource);

	pci_add_resource(&resources, &busn_resource);

	b = pci_create_root_bus(parent, bus, ops, sysdata, &resources);

	if (b)

		b->busn_res.end = pci_scan_child_bus(b);

		pci_scan_child_bus(b);

	else

		pci_free_resource_list(&resources);

	return b;
@@ -1853,9 +1854,10 @@ struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops, 


	pci_add_resource(&resources, &ioport_resource);

	pci_add_resource(&resources, &iomem_resource);

	pci_add_resource(&resources, &busn_resource);

	b = pci_create_root_bus(NULL, bus, ops, sysdata, &resources);

	if (b) {

		b->busn_res.end = pci_scan_child_bus(b);

		pci_scan_child_bus(b);

		pci_bus_add_devices(b);

	} else {

		pci_free_resource_list(&resources);