diff --git a/include/linux/console.h b/include/linux/console.h
index f76fc297322dcb0395dad79c04cdd32aac80815f..95cf6f08a59d2f39e51ba182a911f8f3ec5675cd 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -79,8 +79,13 @@ int register_con_driver(const struct consw *csw, int first, int last);
 int unregister_con_driver(const struct consw *csw);
 int take_over_console(const struct consw *sw, int first, int last, int deflt);
 void give_up_console(const struct consw *sw);
+#ifdef CONFIG_HW_CONSOLE
 int con_debug_enter(struct vc_data *vc);
 int con_debug_leave(void);
+#else
+#define con_debug_enter(vc) (0)
+#define con_debug_leave() (0)
+#endif
 
 /* scroll */
 #define SM_UP       (1)