From: Dietmar Eggemann Date: Mon, 4 Feb 2019 11:09:51 +0000 (+0000) Subject: cpufreq: arm_big_little: Register an Energy Model X-Git-Tag: v5.15~6891^2^2^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2516d670052d5c3eb3253e5c815ff85bf0daf35a;p=platform%2Fkernel%2Flinux-starfive.git 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 Signed-off-by: Quentin Perret Signed-off-by: Viresh Kumar --- diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c index cf62a1f64dd7..7fe52fcddcf1 100644 --- a/drivers/cpufreq/arm_big_little.c +++ b/drivers/cpufreq/arm_big_little.c @@ -487,6 +487,8 @@ static int bL_cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = arm_bL_ops->get_transition_latency(cpu_dev); + dev_pm_opp_of_register_em(policy->cpus); + if (is_bL_switching_enabled()) per_cpu(cpu_last_req_freq, policy->cpu) = clk_get_cpu_rate(policy->cpu);