diff --git a/drivers/input/touchscreen/tsc40.c b/drivers/input/touchscreen/tsc40.c
index 29687872cb945356253b0dd017f74cb0a0acc3ef..d4ae4ba84c1f7ba357d474feaa7aa567df8a75de 100644
--- a/drivers/input/touchscreen/tsc40.c
+++ b/drivers/input/touchscreen/tsc40.c
@@ -141,7 +141,7 @@ static void tsc_disconnect(struct serio *serio)
 	serio_set_drvdata(serio, NULL);
 }
 
-static struct serio_device_id tsc_serio_ids[] = {
+static const struct serio_device_id tsc_serio_ids[] = {
 	{
 		.type   = SERIO_RS232,
 		.proto  = SERIO_TSC40,