diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 19ce68e421a7..67d0c213b1c7 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -2337,7 +2337,7 @@ static struct s3c24xx_serial_drv_data exynos5433_serial_drv_data = {
 #define EXYNOS5433_SERIAL_DRV_DATA (kernel_ulong_t)NULL
 #endif
 
-static struct platform_device_id s3c24xx_serial_driver_ids[] = {
+static const struct platform_device_id s3c24xx_serial_driver_ids[] = {
 	{
 		.name		= "s3c2410-uart",
 		.driver_data	= S3C2410_SERIAL_DRV_DATA,