diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index ddbe7c3ca4ce2..82561242cda42 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -469,6 +469,8 @@ int compare_pnp_id(struct pnp_id *pos, const char *id);
 int pnp_register_driver(struct pnp_driver *drv);
 void pnp_unregister_driver(struct pnp_driver *drv);
 
+#define dev_is_pnp(d) ((d)->bus == &pnp_bus_type)
+
 #else
 
 /* device management */
@@ -500,6 +502,8 @@ static inline int compare_pnp_id(struct pnp_id *pos, const char *id) { return -E
 static inline int pnp_register_driver(struct pnp_driver *drv) { return -ENODEV; }
 static inline void pnp_unregister_driver(struct pnp_driver *drv) { }
 
+#define dev_is_pnp(d) false
+
 #endif /* CONFIG_PNP */
 
 /**