diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 6955045199b0..78874b361120 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -232,7 +232,7 @@ struct of_device_id
 	char	type[32];
 	char	compatible[128];
 #ifdef __KERNEL__
-	void	*data;
+	const void *data;
 #else
 	kernel_ulong_t data;
 #endif