diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index 96a2933a15b59c5c39968a85bb50cacf71b99422..73deace0ec01ae181214e1cc33781b2410a8618a 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -1041,8 +1041,8 @@ void __init pmac_pci_init(void)
 	}
 	/* pmac_check_ht_link(); */
 
-	/* Tell pci.c to not use the common resource allocation mechanism */
-	pci_probe_only = 1;
+	/* We can allocate missing resources if any */
+	pci_probe_only = 0;
 
 #else /* CONFIG_PPC64 */
 	init_p2pbridge();