diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 3a84018e3870f2253bfdf8e34d65b0670a97e006..6e24329710e1212c84e5cc5b25b562cfa5dc52d6 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -180,6 +180,8 @@ static void pcie_portdrv_err_resume(struct pci_dev *dev)
 static const struct pci_device_id port_pci_ids[] = {
 	/* handle any PCI-Express port */
 	{ PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0) },
+	/* subtractive decode PCI-to-PCI bridge, class type is 060401h */
+	{ PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x01), ~0) },
 	{ },
 };