diff --git a/drivers/serial/serial_mcf.c b/drivers/serial/serial_mcf.c
index 4ba6dc3..e6e21b2 100644
--- a/drivers/serial/serial_mcf.c
+++ b/drivers/serial/serial_mcf.c
@@ -83,7 +83,7 @@
 
 static int coldfire_serial_probe(struct udevice *dev)
 {
-	struct coldfire_serial_plat *plat = dev->plat;
+	struct coldfire_serial_plat *plat = dev_get_plat(dev);
 
 	plat->port = dev_seq(dev);
 
@@ -93,7 +93,7 @@
 
 static int coldfire_serial_putc(struct udevice *dev, const char ch)
 {
-	struct coldfire_serial_plat *plat = dev->plat;
+	struct coldfire_serial_plat *plat = dev_get_plat(dev);
 	uart_t *uart = (uart_t *)plat->base;
 
 	/* Wait for last character to go. */
@@ -107,7 +107,7 @@
 
 static int coldfire_serial_getc(struct udevice *dev)
 {
-	struct coldfire_serial_plat *plat = dev->plat;
+	struct coldfire_serial_plat *plat = dev_get_plat(dev);
 	uart_t *uart = (uart_t *)(plat->base);
 
 	/* Wait for a character to arrive. */
@@ -119,7 +119,7 @@
 
 int coldfire_serial_setbrg(struct udevice *dev, int baudrate)
 {
-	struct coldfire_serial_plat *plat = dev->plat;
+	struct coldfire_serial_plat *plat = dev_get_plat(dev);
 	uart_t *uart = (uart_t *)(plat->base);
 
 	mcf_serial_setbrg_common(uart, baudrate);
@@ -129,7 +129,7 @@
 
 static int coldfire_serial_pending(struct udevice *dev, bool input)
 {
-	struct coldfire_serial_plat *plat = dev->plat;
+	struct coldfire_serial_plat *plat = dev_get_plat(dev);
 	uart_t *uart = (uart_t *)(plat->base);
 
 	if (input)