[PATCH v6 1/3] thermal: mediatek: Add cpu dynamic power cooling model.
From: Dawei Chien <hidden>
Date: 2015-12-16 13:30:15
Also in:
linux-arm-kernel, linux-mediatek, linux-pm, lkml
Subsystem:
cpu frequency scaling framework, the rest · Maintainers:
"Rafael J. Wysocki", Viresh Kumar, Linus Torvalds
MT8173 cpufreq driver select of_cpufreq_power_cooling_register registering cooling devices with dynamic power coefficient. Signed-off-by: Dawei Chien <redacted> --- This patch is base on patchset: https://lkml.org/lkml/2015/11/17/251 --- drivers/cpufreq/mt8173-cpufreq.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c
index 83001dc..d00bab5 100644
--- a/drivers/cpufreq/mt8173-cpufreq.c
+++ b/drivers/cpufreq/mt8173-cpufreq.c@@ -263,17 +263,24 @@ 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,
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1.7.9.5