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thermal: cpu_cooling: use cpufreq_dev_list instead of cpufreq_dev_count
As we already have a list of cpufreq_cooling_devices now, lets use it instead of a local counter. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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1 changed files with 2 additions and 6 deletions
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@ -71,8 +71,6 @@ struct cpufreq_cooling_device {
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static DEFINE_IDR(cpufreq_idr);
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static DEFINE_MUTEX(cooling_cpufreq_lock);
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static unsigned int cpufreq_dev_count;
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static LIST_HEAD(cpufreq_dev_list);
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/**
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@ -419,10 +417,9 @@ __cpufreq_cooling_register(struct device_node *np,
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mutex_lock(&cooling_cpufreq_lock);
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/* Register the notifier for first cpufreq cooling device */
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if (cpufreq_dev_count == 0)
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if (list_empty(&cpufreq_dev_list))
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cpufreq_register_notifier(&thermal_cpufreq_notifier_block,
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CPUFREQ_POLICY_NOTIFIER);
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cpufreq_dev_count++;
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list_add(&cpufreq_dev->node, &cpufreq_dev_list);
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mutex_unlock(&cooling_cpufreq_lock);
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@ -495,10 +492,9 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
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cpufreq_dev = cdev->devdata;
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mutex_lock(&cooling_cpufreq_lock);
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list_del(&cpufreq_dev->node);
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cpufreq_dev_count--;
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/* Unregister the notifier for the last cpufreq cooling device */
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if (cpufreq_dev_count == 0)
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if (list_empty(&cpufreq_dev_list))
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cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block,
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CPUFREQ_POLICY_NOTIFIER);
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mutex_unlock(&cooling_cpufreq_lock);
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