Commit 2479bb64 authored by Viresh Kumar's avatar Viresh Kumar Committed by Eduardo Valentin

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: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent 97afa4aa
...@@ -71,8 +71,6 @@ struct cpufreq_cooling_device { ...@@ -71,8 +71,6 @@ struct cpufreq_cooling_device {
static DEFINE_IDR(cpufreq_idr); static DEFINE_IDR(cpufreq_idr);
static DEFINE_MUTEX(cooling_cpufreq_lock); static DEFINE_MUTEX(cooling_cpufreq_lock);
static unsigned int cpufreq_dev_count;
static LIST_HEAD(cpufreq_dev_list); static LIST_HEAD(cpufreq_dev_list);
/** /**
...@@ -419,10 +417,9 @@ __cpufreq_cooling_register(struct device_node *np, ...@@ -419,10 +417,9 @@ __cpufreq_cooling_register(struct device_node *np,
mutex_lock(&cooling_cpufreq_lock); mutex_lock(&cooling_cpufreq_lock);
/* Register the notifier for first cpufreq cooling device */ /* 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_register_notifier(&thermal_cpufreq_notifier_block,
CPUFREQ_POLICY_NOTIFIER); CPUFREQ_POLICY_NOTIFIER);
cpufreq_dev_count++;
list_add(&cpufreq_dev->node, &cpufreq_dev_list); list_add(&cpufreq_dev->node, &cpufreq_dev_list);
mutex_unlock(&cooling_cpufreq_lock); mutex_unlock(&cooling_cpufreq_lock);
...@@ -495,10 +492,9 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) ...@@ -495,10 +492,9 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
cpufreq_dev = cdev->devdata; cpufreq_dev = cdev->devdata;
mutex_lock(&cooling_cpufreq_lock); mutex_lock(&cooling_cpufreq_lock);
list_del(&cpufreq_dev->node); list_del(&cpufreq_dev->node);
cpufreq_dev_count--;
/* Unregister the notifier for the last cpufreq cooling device */ /* 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_unregister_notifier(&thermal_cpufreq_notifier_block,
CPUFREQ_POLICY_NOTIFIER); CPUFREQ_POLICY_NOTIFIER);
mutex_unlock(&cooling_cpufreq_lock); mutex_unlock(&cooling_cpufreq_lock);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment