if (count == 0)
                return;
 
-       pr_debug("%s - minor %d, %d byte(s)\n", __func__, port->minor, count);
+       dev_dbg(&port->dev, "%s - %d byte(s)\n", __func__, count);
 
        if (!port->port.console) {
-               pr_debug("%s - port not opened\n", __func__);
+               dev_dbg(&port->dev, "%s - port not opened\n", __func__);
                return;
        }
 
                        retval = serial->type->write(NULL, port, buf, i);
                else
                        retval = usb_serial_generic_write(NULL, port, buf, i);
-               pr_debug("%s - return value : %d\n", __func__, retval);
+               dev_dbg(&port->dev, "%s - write: %d\n", __func__, retval);
                if (lf) {
                        /* append CR after LF */
                        unsigned char cr = 13;
                        else
                                retval = usb_serial_generic_write(NULL,
                                                                port, &cr, 1);
-                       pr_debug("%s - return value : %d\n", __func__, retval);
+                       dev_dbg(&port->dev, "%s - write cr: %d\n",
+                                                       __func__, retval);
                }
                buf += i;
                count -= i;