Messages in this thread | | | Date | Tue, 22 May 2018 15:08:03 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH] cpufreq: Add Kryo CPU scaling driver |
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On 22-05-18, 10:59, ilialin@codeaurora.org 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
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