int ret, status = urb->status;
 
        if (status)
-               err("%s - urb status %d", __func__, status);
+               dev_err(&yld->udev->dev, "%s - urb status %d\n",
+                       __func__, status);
 
        switch (yld->irq_data->cmd) {
        case CMD_KEYPRESS:
                break;
 
        default:
-               err("unexpected response %x", yld->irq_data->cmd);
+               dev_err(&yld->udev->dev, "unexpected response %x\n",
+                       yld->irq_data->cmd);
        }
 
        yealink_do_idle_tasks(yld);
        if (!yld->shutdown) {
                ret = usb_submit_urb(yld->urb_ctl, GFP_ATOMIC);
                if (ret && ret != -EPERM)
-                       err("%s - usb_submit_urb failed %d", __func__, ret);
+                       dev_err(&yld->udev->dev,
+                               "%s - usb_submit_urb failed %d\n",
+                               __func__, ret);
        }
 }
 
        int ret = 0, status = urb->status;
 
        if (status)
-               err("%s - urb status %d", __func__, status);
+               dev_err(&yld->udev->dev, "%s - urb status %d\n",
+                       __func__, status);
 
        switch (yld->ctl_data->cmd) {
        case CMD_KEYPRESS:
        }
 
        if (ret && ret != -EPERM)
-               err("%s - usb_submit_urb failed %d", __func__, ret);
+               dev_err(&yld->udev->dev, "%s - usb_submit_urb failed %d\n",
+                       __func__, ret);
 }
 
 /*******************************************************************************
        pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
        ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
        if (ret != USB_PKT_LEN)
-               err("invalid payload size %d, expected %zd", ret, USB_PKT_LEN);
+               dev_err(&intf->dev, "invalid payload size %d, expected %zd\n",
+                       ret, USB_PKT_LEN);
 
        /* initialise irq urb */
        usb_fill_int_urb(yld->urb_irq, udev, pipe, yld->irq_data,