linux-kernel - [PATCH v2] cpufreq: mediatek: Register an Energy Model

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Date:   Wed,  6 Feb 2019 10:50:04 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Quentin Perret <quentin.perret@....com>,
        Taniya Das <tdas@...eaurora.org>, CK Hu <ck.hu@...iatek.com>,
        Eddie Huang <eddie.huang@...iatek.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH v2] cpufreq: mediatek: Register an Energy Model

Try and register an Energy Model from mediatek-cpufreq to allow
interested subsystems like the task scheduler to use the provided
information.

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---
Changes in v2:
- register the EM after setting the cpumask
---
 drivers/cpufreq/mediatek-cpufreq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index eb8920d398181..5250df762814e 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -465,6 +465,8 @@ static int mtk_cpufreq_init(struct cpufreq_policy *policy)
 	policy->driver_data = info;
 	policy->clk = info->cpu_clk;
 
+	dev_pm_opp_of_register_em(policy->cpus);
+
 	return 0;
 }
 
-- 
2.20.1.611.gfbb209baf1-goog