diff options
author | Viresh Kumar <viresh.kumar@linaro.org> | 2014-12-04 04:12:00 (GMT) |
---|---|---|
committer | Eduardo Valentin <edubezval@gmail.com> | 2014-12-08 18:04:56 (GMT) |
commit | 5194fe469927e50367b35e556812c7fc6ce130d1 (patch) | |
tree | 51673e1f5f719c631e466cb3ffff0ab981927f75 /drivers/thermal | |
parent | 7adb635b3cd790e4e0d7e9d0b3dd30574ae36596 (diff) | |
download | linux-5194fe469927e50367b35e556812c7fc6ce130d1.tar.xz |
thermal: cpu_cooling: Merge cpufreq_apply_cooling() into cpufreq_set_cur_state()
cpufreq_apply_cooling() has a single caller, cpufreq_set_cur_state() and
cpufreq_set_cur_state() is an unnecessary wrapper over cpufreq_apply_cooling().
Get rid of it by merging both routines.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal')
-rw-r--r-- | drivers/thermal/cpu_cooling.c | 52 |
1 files changed, 16 insertions, 36 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 86bcf8d..a3dd74f 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -254,41 +254,6 @@ static unsigned int get_cpu_frequency(unsigned int cpu, unsigned long level) } /** - * cpufreq_apply_cooling - function to apply frequency clipping. - * @cpufreq_device: cpufreq_cooling_device pointer containing frequency - * clipping data. - * @cooling_state: value of the cooling state. - * - * Function used to make sure the cpufreq layer is aware of current thermal - * limits. The limits are applied by updating the cpufreq policy. - * - * Return: 0 on success, an error code otherwise (-EINVAL in case wrong - * cooling state). - */ -static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device, - unsigned long cooling_state) -{ - unsigned int clip_freq; - struct cpumask *mask = &cpufreq_device->allowed_cpus; - unsigned int cpu = cpumask_any(mask); - - /* Check if the old cooling action is same as new cooling action */ - if (cpufreq_device->cpufreq_state == cooling_state) - return 0; - - clip_freq = get_cpu_frequency(cpu, cooling_state); - if (!clip_freq) - return -EINVAL; - - cpufreq_device->cpufreq_state = cooling_state; - cpufreq_device->cpufreq_val = clip_freq; - - cpufreq_update_policy(cpu); - - return 0; -} - -/** * cpufreq_thermal_notifier - notifier callback for cpufreq policy change. * @nb: struct notifier_block * with callback info. * @event: value showing cpufreq event for which this function invoked. @@ -391,8 +356,23 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state) { struct cpufreq_cooling_device *cpufreq_device = cdev->devdata; + unsigned int cpu = cpumask_any(&cpufreq_device->allowed_cpus); + unsigned int clip_freq; + + /* Check if the old cooling action is same as new cooling action */ + if (cpufreq_device->cpufreq_state == state) + return 0; - return cpufreq_apply_cooling(cpufreq_device, state); + clip_freq = get_cpu_frequency(cpu, state); + if (!clip_freq) + return -EINVAL; + + cpufreq_device->cpufreq_state = state; + cpufreq_device->cpufreq_val = clip_freq; + + cpufreq_update_policy(cpu); + + return 0; } /* Bind cpufreq callbacks to thermal cooling device ops */ |