cpufreq: arm_big_little: Register an Energy Model
Now that PM_OPP provides a helper function to estimate the power consumed by CPUs, make sure to try and register an Energy Model (EM) from the arm_big_little CPUFreq driver, hence ensuring interested subsystems (the task scheduler, for example) can make use of that information when available. Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Signed-off-by: Quentin Perret <quentin.perret@arm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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@ -487,6 +487,8 @@ static int bL_cpufreq_init(struct cpufreq_policy *policy)
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policy->cpuinfo.transition_latency =
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arm_bL_ops->get_transition_latency(cpu_dev);
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dev_pm_opp_of_register_em(policy->cpus);
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if (is_bL_switching_enabled())
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per_cpu(cpu_last_req_freq, policy->cpu) = clk_get_cpu_rate(policy->cpu);
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