linux-kernel - [PATCH v1 5/7] cpufreq: qcom-hw: Register as a cpufreq cooling device

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Date:   Thu, 10 Jan 2019 05:30:54 +0530
From:   Amit Kucheria <amit.kucheria@...aro.org>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arm-msm@...r.kernel.org, bjorn.andersson@...aro.org,
        viresh.kumar@...aro.org, edubezval@...il.com,
        andy.gross@...aro.org, tdas@...eaurora.org, swboyd@...omium.org,
        dianders@...omium.org, mka@...omium.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-pm@...r.kernel.org (open list:CPU FREQUENCY DRIVERS)
Subject: [PATCH v1 5/7] cpufreq: qcom-hw: Register as a cpufreq cooling device

Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org>
---
 drivers/cpufreq/qcom-cpufreq-hw.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 649dddd72749..1c01311e5927 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -5,6 +5,7 @@
 
 #include <linux/bitfield.h>
 #include <linux/cpufreq.h>
+#include <linux/cpu_cooling.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -216,7 +217,10 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
 static int qcom_cpufreq_hw_cpu_exit(struct cpufreq_policy *policy)
 {
 	void __iomem *base = policy->driver_data - REG_PERF_STATE;
+	struct thermal_cooling_device *cdev = policy->cooldev;
 
+	if (cdev)
+		cpufreq_cooling_unregister(cdev);
 	kfree(policy->freq_table);
 	devm_iounmap(&global_pdev->dev, base);
 
@@ -238,6 +242,7 @@ static struct cpufreq_driver cpufreq_qcom_hw_driver = {
 	.init		= qcom_cpufreq_hw_cpu_init,
 	.exit		= qcom_cpufreq_hw_cpu_exit,
 	.fast_switch    = qcom_cpufreq_hw_fast_switch,
+	.ready		= generic_cpufreq_ready,
 	.name		= "qcom-cpufreq-hw",
 	.attr		= qcom_cpufreq_hw_attr,
 };
-- 
2.17.1