diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 8aff0b4d8ddf..91e36bcfde74 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -239,7 +239,7 @@ static struct imx_uart_data imx_uart_devdata[] = {
 	},
 };
 
-static struct platform_device_id imx_uart_devtype[] = {
+static const struct platform_device_id imx_uart_devtype[] = {
 	{
 		.name = "imx1-uart",
 		.driver_data = (kernel_ulong_t) &imx_uart_devdata[IMX1_UART],