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thermal: mediatek: Add cpu dynamic power cooling model. 

MT8173 cpufreq driver select of_cpufreq_power_cooling_register registering
cooling devices with dynamic power coefficient.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Dawei Chien <dawei.chien@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
hifive-unleashed-5.1
Dawei Chien 2015-12-16 21:29:14 +08:00 committed by Eduardo Valentin
parent b3aef78f76
commit d29016034e
1 changed files with 9 additions and 2 deletions
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11
drivers/cpufreq/mt8173-cpufreq.c
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@ -310,17 +310,24 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
return 0;
}
#define DYNAMIC_POWER "dynamic-power-coefficient"
static void mtk_cpufreq_ready(struct cpufreq_policy *policy)
{
struct mtk_cpu_dvfs_info *info = policy->driver_data;
struct device_node *np = of_node_get(info->cpu_dev->of_node);
u32 capacitance = 0;
if (WARN_ON(!np))
return;
if (of_find_property(np, "#cooling-cells", NULL)) {
info->cdev = of_cpufreq_cooling_register(np,
policy->related_cpus);
of_property_read_u32(np, DYNAMIC_POWER, &capacitance);
info->cdev = of_cpufreq_power_cooling_register(np,
policy->related_cpus,
capacitance,
NULL);
if (IS_ERR(info->cdev)) {
dev_err(info->cpu_dev,