diff options
| author | Dawei Chien | 2015-12-16 14:29:14 +0100 |
|---|---|---|
| committer | Eduardo Valentin | 2016-05-17 16:28:31 +0200 |
| commit | d29016034e5b2bb55fd370e3545685a8536f5474 (patch) | |
| tree | 3ee79f522b4e9432c36f8c8a3556e18f7c445271 /drivers/cpufreq/mt8173-cpufreq.c | |
| parent | thermal: generic-adc: Add ADC based thermal sensor driver (diff) | |
| download | kernel-qcow2-linux-d29016034e5b2bb55fd370e3545685a8536f5474.tar.gz kernel-qcow2-linux-d29016034e5b2bb55fd370e3545685a8536f5474.tar.xz kernel-qcow2-linux-d29016034e5b2bb55fd370e3545685a8536f5474.zip | |
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>
Diffstat (limited to 'drivers/cpufreq/mt8173-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/mt8173-cpufreq.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c index 2058e6d292ce..6e44651c2f39 100644 --- a/drivers/cpufreq/mt8173-cpufreq.c +++ b/drivers/cpufreq/mt8173-cpufreq.c @@ -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, |