diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 4ef747307ecbb51a8ae195191243000e16c51795..0af4eec8c7b1f57e7ace1e216b308ad2a2469b2e 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -207,7 +207,7 @@ struct imx_port {
 	unsigned short		trcv_delay; /* transceiver delay */
 	struct clk		*clk_ipg;
 	struct clk		*clk_per;
-	struct imx_uart_data	*devdata;
+	const struct imx_uart_data *devdata;
 };
 
 struct imx_port_ucrs {