On 22-05-18, 10:59, ilialin@xxxxxxxxxxxxxx wrote: > OK, I think I found out the way. Would this be correct? > ----------------------------------------------------------------------------------------------- > extern struct cpu_topology cpu_topology[NR_CPUS]; > > static struct device *qcom_cpufreq_kryo_get_cluster_lead(int cluster) > { > unsigned cpu; > > for_each_possible_cpu(cpu) { > if ((cluster == cpu_topology[cpu].cluster_id) && > (0 == cpu_topology[cpu].core_id)) > return get_cpu_device(cpu); > } > > return NULL; > } Okay, this is what you should do IMHO. for_each_possible_cpu(cpu) { cpu_dev = xxx.. ret = dev_pm_opp_set_supported_hw(cpu_dev, xxx, xxx); if (ret && ret != -EBUSY) error-out. } This would require a trivial patch for the OPP core to not throw an error message with -EBUSY. I can do that separately. -- viresh -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html