diff --git a/flashprog.c b/flashprog.c
index 2520d11..80e53b9 100644
--- a/flashprog.c
+++ b/flashprog.c
@@ -602,6 +602,11 @@
 	return ret;
 }
 
+int probe_noop(struct flashctx *flash)
+{
+	return 1;
+}
+
 static int init_default_layout(struct flashctx *flash)
 {
 	/* Fill default layout covering the whole chip. */
diff --git a/include/chipdrivers.h b/include/chipdrivers.h
index 56644a0..0b1f1f6 100644
--- a/include/chipdrivers.h
+++ b/include/chipdrivers.h
@@ -230,4 +230,7 @@
 int prepare_memory_register_access(struct flashctx *, enum preparation_steps);
 void finish_memory_access(struct flashctx *);
 
+/* flashprog.c */
+int probe_noop(struct flashctx *);
+
 #endif /* !__CHIPDRIVERS_H__ */