diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 4987a84..98be6c5 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -8,6 +8,9 @@
 
 #else
 
+#include <linux/types.h>
+#include <linux/errno.h>
+
 /*
  * Some platforms don't support the GPIO programming interface.
  *