error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC);
        if (error)
-               dev_err(&dev->idev->dev,
+               dev_err(&dev->intf->dev,
                        "%s: usb_submit_urb (urb_ctl) failed %d\n",
                        __func__, error);
 }
        const int status = urb->status;
        int error;
 
-       dev_dbg(&urb->dev->dev, "### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x\n",
+       dev_dbg(&dev->intf->dev, "### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x\n",
             dev->irq_data->byte[0],
             dev->irq_data->byte[1],
             dev->irq_data->byte[2],
        if (status) {
                if (status == -ESHUTDOWN)
                        return;
-               dev_err(&dev->idev->dev, "%s: urb status %d\n", __func__, status);
+               dev_err(&dev->intf->dev, "%s: urb status %d\n", __func__, status);
        }
 
        /* Special keys */
 
                error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC);
                if (error)
-                       dev_err(&dev->idev->dev,
+                       dev_err(&dev->intf->dev,
                                "%s: usb_submit_urb (urb_ctl) failed %d\n",
                                __func__, error);
        }
        const int status = urb->status;
        int error;
 
-       dev_dbg(&urb->dev->dev, "### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]\n",
+       dev_dbg(&dev->intf->dev, "### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]\n",
             dev->ctl_data->byte[0],
             dev->ctl_data->byte[1],
             dev->ctl_data->byte[2],
             dev->ctl_data->byte[3]);
 
        if (status)
-               dev_err(&dev->idev->dev, "%s: urb status %d\n", __func__, status);
+               dev_err(&dev->intf->dev, "%s: urb status %d\n", __func__, status);
 
        spin_lock(&dev->ctl_submit_lock);
 
                        dev->irq_urb_pending = 1;
                        error = usb_submit_urb(dev->urb_irq, GFP_ATOMIC);
                        if (error)
-                               dev_err(&dev->idev->dev,
+                               dev_err(&dev->intf->dev,
                                        "%s: usb_submit_urb (urb_irq) failed %d\n",
                                        __func__, error);
                }
                                dev->ctl_data,
                                USB_PKT_LEN, USB_CTRL_SET_TIMEOUT);
        if (error < 0 && error != -EINTR)
-               dev_err(&dev->idev->dev, "%s: usb_control_msg() failed %d\n",
+               dev_err(&dev->intf->dev, "%s: usb_control_msg() failed %d\n",
                        __func__, error);
 }
 
 
        error = usb_submit_urb(dev->urb_ctl, GFP_KERNEL);
        if (error)
-               dev_err(&idev->dev, "%s: usb_submit_urb (urb_ctl) failed %d\n",
+               dev_err(&dev->intf->dev, "%s: usb_submit_urb (urb_ctl) failed %d\n",
                        __func__, error);
        else
                dev->open = 1;
 {
        struct cm109_dev *dev = input_get_drvdata(idev);
 
-       dev_dbg(&dev->udev->dev,
+       dev_dbg(&dev->intf->dev,
                "input_ev: type=%u code=%u value=%d\n", type, code, value);
 
        if (type != EV_SND)