Messages in this thread Patch in this message | | | From | Quentin Perret <> | Subject | [PATCH v4 2/5] cpufreq: dt: Register an Energy Model | Date | Mon, 4 Feb 2019 11:09:49 +0000 |
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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> --- drivers/cpufreq/cpufreq-dt.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index e58bfcb1169e..d74e0402512a 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -280,6 +280,8 @@ static int cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = transition_latency; policy->dvfs_possible_from_any_cpu = true; + dev_pm_opp_of_register_em(policy->cpus); + return 0; out_free_cpufreq_table: -- 2.20.1
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