diff --git a/include/linux/mfd/stmpe.h b/include/linux/mfd/stmpe.h
index 8516fd1eaabc7882127d269bf4db58366e93bb57..f8d5b4d5843fc02ad7728c207992d0b33ac0c5a7 100644
--- a/include/linux/mfd/stmpe.h
+++ b/include/linux/mfd/stmpe.h
@@ -117,7 +117,7 @@ struct matrix_keymap_data;
  * @no_autorepeat: disable key autorepeat
  */
 struct stmpe_keypad_platform_data {
-	struct matrix_keymap_data *keymap_data;
+	const struct matrix_keymap_data *keymap_data;
 	unsigned int debounce_ms;
 	unsigned int scan_count;
 	bool no_autorepeat;