diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 0fae816fba39..44604af23b3a 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -952,6 +952,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
 
 	bus = bridge->bus;
 
+	pci_bus_size_bridges(bus);
 	pci_bus_assign_resources(bus);
 
 	list_for_each_entry(child, &bus->children, node)