diff --git a/include/linux/mfd/syscon.h b/include/linux/mfd/syscon.h
index 1088149be0c95e26287d9c781eb467e056b0b08a..40a76b97b7ab9d8eabf07b1fa7272f477e92b074 100644
--- a/include/linux/mfd/syscon.h
+++ b/include/linux/mfd/syscon.h
@@ -16,6 +16,7 @@
 #define __LINUX_MFD_SYSCON_H__
 
 #include <linux/err.h>
+#include <linux/errno.h>
 
 struct device_node;