Messages in this thread Patch in this message | | | From | Quentin Perret <> | Subject | [PATCH v4 3/5] cpufreq: scpi: Register an Energy Model | Date | Mon, 4 Feb 2019 11:09:50 +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 scpi-cpufreq, 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/scpi-cpufreq.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index 99449738faa4..b279f94d82f7 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -170,6 +170,9 @@ static int scpi_cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = latency; policy->fast_switch_possible = false; + + dev_pm_opp_of_register_em(policy->cpus); + return 0; out_free_cpufreq_table: -- 2.20.1
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