diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 0178823ce8c20..8af3b86206b1a 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -151,6 +151,7 @@
 #define PCI_CLASS_OTHERS		0xff
 
 /* Vendors and devices.  Sort key: vendor first, device next. */
+#define PCI_VENDOR_ID_PCI_SIG		0x0001
 
 #define PCI_VENDOR_ID_LOONGSON		0x0014