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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>
This commit is contained in:
Viresh Kumar 2014-12-04 09:42:04 +05:30 committed by Eduardo Valentin
parent 97afa4aafb
commit 2479bb6443
1 changed files with 2 additions and 6 deletions
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8
drivers/thermal/cpu_cooling.c
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@ -71,8 +71,6 @@ struct cpufreq_cooling_device {
static DEFINE_IDR(cpufreq_idr);
static DEFINE_MUTEX(cooling_cpufreq_lock);
static unsigned int cpufreq_dev_count;
static LIST_HEAD(cpufreq_dev_list);
/**
@ -419,10 +417,9 @@ __cpufreq_cooling_register(struct device_node *np,
mutex_lock(&cooling_cpufreq_lock);
/* Register the notifier for first cpufreq cooling device */
if (cpufreq_dev_count == 0)
if (list_empty(&cpufreq_dev_list))
cpufreq_register_notifier(&thermal_cpufreq_notifier_block,
CPUFREQ_POLICY_NOTIFIER);
cpufreq_dev_count++;
list_add(&cpufreq_dev->node, &cpufreq_dev_list);
mutex_unlock(&cooling_cpufreq_lock);
@ -495,10 +492,9 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
cpufreq_dev = cdev->devdata;
mutex_lock(&cooling_cpufreq_lock);
list_del(&cpufreq_dev->node);
cpufreq_dev_count--;
/* Unregister the notifier for the last cpufreq cooling device */
if (cpufreq_dev_count == 0)
if (list_empty(&cpufreq_dev_list))
cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block,
CPUFREQ_POLICY_NOTIFIER);
mutex_unlock(&cooling_cpufreq_lock);