diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 5ed9930..6244b18 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1323,7 +1323,7 @@
 			~hpp->pci_exp_devctl_and, hpp->pci_exp_devctl_or);
 
 	/* Initialize Link Control Register */
-	if (dev->subordinate)
+	if (pcie_cap_has_lnkctl(dev))
 		pcie_capability_clear_and_set_word(dev, PCI_EXP_LNKCTL,
 			~hpp->pci_exp_lnkctl_and, hpp->pci_exp_lnkctl_or);