diff --git a/include/mfd/syscon.h b/include/mfd/syscon.h
index 2044520..651d4c2 100644
--- a/include/mfd/syscon.h
+++ b/include/mfd/syscon.h
@@ -21,13 +21,13 @@
 #else
 static inline void __iomem *syscon_base_lookup_by_pdevname(const char *s)
 {
-	return NULL;
+	return ERR_PTR(-ENOSYS);
 }
 
 static inline void __iomem *syscon_base_lookup_by_phandle
 	(struct device_node *np, const char *property)
 {
-	return NULL;
+	return ERR_PTR(-ENOSYS);
 }
 #endif