From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dawei Chien Subject: [PATCH v5 1/3] thermal: mediatek: Add cpu dynamic power cooling model. Date: Wed, 16 Dec 2015 11:59:14 +0800 Message-ID: <1450238356-36319-2-git-send-email-dawei.chien@mediatek.com> References: <1450238356-36319-1-git-send-email-dawei.chien@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1450238356-36319-1-git-send-email-dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+glpam-linux-mediatek=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Viresh Kumar Cc: Mark Rutland , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Punit Agrawal , srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Pawel Moll , Ian Campbell , Dawei Chien , Sascha Hauer , Daniel Lezcano , "Rafael J. Wysocki" , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Sascha Hauer , Kumar Gala , Matthias Brugger , linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org 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 --- 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, -- 1.7.9.5