diff --git a/include/linux/irqdomain_defs.h b/include/linux/irqdomain_defs.h
index a7dea0c8c5e0c..5c1fe6f1fcde8 100644
--- a/include/linux/irqdomain_defs.h
+++ b/include/linux/irqdomain_defs.h
@@ -27,6 +27,7 @@ enum irq_domain_bus_token {
 	DOMAIN_BUS_AMDVI,
 	DOMAIN_BUS_PCI_DEVICE_IMS,
 	DOMAIN_BUS_DEVICE_MSI,
+	DOMAIN_BUS_WIRED_TO_MSI,
 };
 
 #endif /* _LINUX_IRQDOMAIN_DEFS_H */