+ @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r
+ RemainingDevicePath is already being managed by \r
+ the driver specified by This.\r
+ @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r
+ RemainingDevicePath is already being managed by a \r
+ different driver or an application that requires \r
+ exclusive access.\r
+ @retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r
+ RemainingDevicePath is not supported by the driver \r
+ specified by This.\r