dev_pm_opp_set_supported_hw
cpufreq_opp_token = dev_pm_opp_set_supported_hw(cpu_dev, supported_hw, 2);
err = dev_pm_opp_set_supported_hw(cpu_dev, versions, 2);
err = dev_pm_opp_set_supported_hw(emc->dev, &hw_version, 1);