intel_wait_for_register_fw
ret = intel_wait_for_register_fw(uncore, DMA_CTRL, START_DMA, 0, 100, NULL);
ret = intel_wait_for_register_fw(uncore, GU_CNTL, DRIVERFLR, 0, flr_timeout_ms, NULL);
ret = intel_wait_for_register_fw(uncore, GU_CNTL,
ret = intel_wait_for_register_fw(uncore, GU_DEBUG,