diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index d5c689d6217e3a2eb46223fa1ffd01b77e15e0df..20e911724027a1db5da67423235f1961f76c0077 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -206,7 +206,7 @@ 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 {