diff --git a/src/southbridge/ti/pci1x2x/pci1x2x.c b/src/southbridge/ti/pci1x2x/pci1x2x.c
index f84d866..bfb5ab9 100644
--- a/src/southbridge/ti/pci1x2x/pci1x2x.c
+++ b/src/southbridge/ti/pci1x2x/pci1x2x.c
@@ -46,8 +46,7 @@
 	 * to the sub-vendor/device ids at 40 and 42.
 	 */
 	pci_write_config32(dev, 0x80, pci_read_config32(dev, 0x080) & ~0x10);
-	pci_write_config16(dev, 0x40, vendor);
-	pci_write_config16(dev, 0x42, device);
+	pci_dev_set_subsystem(dev, vendor, device);
 	pci_write_config32(dev, 0x80, pci_read_config32(dev, 0x80) | 0x10);
 }