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cpufreq: dt: Register an Energy Model

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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 cpufreq-dt, hence ensuring interested subsystems (the task
scheduler, for example) can make use of that information when available.

Signed-off-by: Quentin Perret <quentin.perret@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Quentin Perret
2019-02-04 11:09:49 +00:00
committed by Viresh Kumar
parent a4f342b960
commit 76d004bf72
1 changed files with 2 additions and 0 deletions
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2
drivers/cpufreq/cpufreq-dt.c
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@@ -280,6 +280,8 @@ static int cpufreq_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = transition_latency; policy->cpuinfo.transition_latency = transition_latency;
policy->dvfs_possible_from_any_cpu = true; policy->dvfs_possible_from_any_cpu = true;
dev_pm_opp_of_register_em(policy->cpus);
return 0; return 0;
out_free_cpufreq_table: out_free_cpufreq_table: