diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index dc68b7e..42f4e66 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2030,7 +2030,7 @@
 		if (!tries)
 			printk(KERN_ERR "%s%s%s%d: Unable to drain "
 					"transmitter\n",
-			       port->dev ? port->dev->bus_id : "",
+			       port->dev ? dev_name(port->dev) : "",
 			       port->dev ? ": " : "",
 			       drv->dev_name,
 			       drv->tty_driver->name_base + port->line);
@@ -2156,7 +2156,7 @@
 	}
 
 	printk(KERN_INFO "%s%s%s%d at %s (irq = %d) is a %s\n",
-	       port->dev ? port->dev->bus_id : "",
+	       port->dev ? dev_name(port->dev) : "",
 	       port->dev ? ": " : "",
 	       drv->dev_name,
 	       drv->tty_driver->name_base + port->line,