diff --git a/drivers/serial/serial_mcf.c b/drivers/serial/serial_mcf.c
index a78a7ec..4ba6dc3 100644
--- a/drivers/serial/serial_mcf.c
+++ b/drivers/serial/serial_mcf.c
@@ -85,7 +85,7 @@
 {
 	struct coldfire_serial_plat *plat = dev->plat;
 
-	plat->port = dev->seq;
+	plat->port = dev_seq(dev);
 
 	return mcf_serial_init_common((uart_t *)plat->base,
 						plat->port, plat->baudrate);
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index e328fb6..120df83 100644
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -187,7 +187,7 @@
 
 	plat->reg = (struct s5p_uart *)addr;
 	plat->port_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
-					"id", dev->seq);
+					"id", dev_seq(dev));
 	return 0;
 }