From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dawei Chien Subject: [RESEND][PATCH 1/3] thermal: mediatek: Add cpu dynamic power cooling model. Date: Tue, 15 Mar 2016 16:10:35 +0800 Message-ID: <1458029437-12846-2-git-send-email-dawei.chien@mediatek.com> References: <1458029437-12846-1-git-send-email-dawei.chien@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1458029437-12846-1-git-send-email-dawei.chien@mediatek.com> Sender: linux-pm-owner@vger.kernel.org To: Viresh Kumar , "Rafael J. Wysocki" , Matthias Brugger Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Daniel Kurtz , Sascha Hauer , Daniel Lezcano , Dawei Chien , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, Sascha Hauer , Punit Agrawal List-Id: devicetree@vger.kernel.org MT8173 cpufreq driver select of_cpufreq_power_cooling_register registering cooling devices with dynamic power coefficient. Signed-off-by: Dawei Chien Acked-by: Viresh Kumar --- 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 1efba34..d8ad406 100644 --- a/drivers/cpufreq/mt8173-cpufreq.c +++ b/drivers/cpufreq/mt8173-cpufreq.c @@ -309,17 +309,24 @@ 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, -- 1.7.9.5