PCI: add default busn_res for pci_scan_bus()
also do not need to shrink busn_res. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -1836,9 +1836,10 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
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pci_add_resource(&resources, &ioport_resource);
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pci_add_resource(&resources, &ioport_resource);
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pci_add_resource(&resources, &iomem_resource);
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pci_add_resource(&resources, &iomem_resource);
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pci_add_resource(&resources, &busn_resource);
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b = pci_create_root_bus(parent, bus, ops, sysdata, &resources);
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b = pci_create_root_bus(parent, bus, ops, sysdata, &resources);
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if (b)
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if (b)
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b->busn_res.end = pci_scan_child_bus(b);
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pci_scan_child_bus(b);
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else
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else
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pci_free_resource_list(&resources);
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pci_free_resource_list(&resources);
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return b;
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return b;
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@ -1853,9 +1854,10 @@ struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
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pci_add_resource(&resources, &ioport_resource);
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pci_add_resource(&resources, &ioport_resource);
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pci_add_resource(&resources, &iomem_resource);
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pci_add_resource(&resources, &iomem_resource);
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pci_add_resource(&resources, &busn_resource);
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b = pci_create_root_bus(NULL, bus, ops, sysdata, &resources);
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b = pci_create_root_bus(NULL, bus, ops, sysdata, &resources);
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if (b) {
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if (b) {
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b->busn_res.end = pci_scan_child_bus(b);
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pci_scan_child_bus(b);
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pci_bus_add_devices(b);
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pci_bus_add_devices(b);
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} else {
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} else {
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pci_free_resource_list(&resources);
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pci_free_resource_list(&resources);
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