RSM_DRV_UNREG_PROCESSING
rsm_drv_data.drv_state = RSM_DRV_UNREG_PROCESSING;
case RSM_DRV_UNREG_PROCESSING:
case RSM_DRV_UNREG_PROCESSING:
ASSERT(rsm_drv_data.drv_state == RSM_DRV_UNREG_PROCESSING);