usb_put_dev(interface_to_usbdev(usb_intf));
 }
 
-static void decide_chip_type_by_usb_device_id(struct rtw_adapter *padapter,
-                                             const struct usb_device_id *pdid)
-{
-       padapter->chip_type = NULL_CHIP_TYPE;
-       hal_set_hw_type(padapter);
-}
-
 static void usb_intf_start(struct rtw_adapter *padapter)
 {
        RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("+usb_intf_start\n"));
        dvobj->padapters[dvobj->iface_nums++] = padapter;
        padapter->iface_id = IFACE_ID0;
 
-       /* step 1-1., decide the chip_type via vid/pid */
-       decide_chip_type_by_usb_device_id(padapter, pdid);
+       rtl8723au_set_hw_type(padapter);
 
        if (rtw_handle_dualmac23a(padapter, 1) != _SUCCESS)
                goto free_adapter;