diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index 97ec33572e563fce0ab5dfedf0aeaa966462f05c..8280cb16260be6f31840480ca3fd19a64bfffa1c 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -415,7 +415,7 @@ static int imx_keypad_open(struct input_dev *dev)
 }
 
 #ifdef CONFIG_OF
-static struct of_device_id imx_keypad_of_match[] = {
+static const struct of_device_id imx_keypad_of_match[] = {
 	{ .compatible = "fsl,imx21-kpp", },
 	{ /* sentinel */ }
 };