From: Dawei Chien <dawei.chien@mediatek.com>
To: Viresh Kumar <viresh.kumar@linaro.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Daniel Kurtz <djkurtz@chromium.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Dawei Chien <dawei.chien@mediatek.com>,
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 <kernel@pengutronix.de>,
Punit Agrawal <punit.agrawal@arm.com>
Subject: [RESEND][PATCH 1/3] thermal: mediatek: Add cpu dynamic power cooling model.
Date: Tue, 15 Mar 2016 16:10:35 +0800 [thread overview]
Message-ID: <1458029437-12846-2-git-send-email-dawei.chien@mediatek.com> (raw)
In-Reply-To: <1458029437-12846-1-git-send-email-dawei.chien@mediatek.com>
MT8173 cpufreq driver select of_cpufreq_power_cooling_register registering
cooling devices with dynamic power coefficient.
Signed-off-by: Dawei Chien <dawei.chien@mediatek.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
---
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
next prev parent reply other threads:[~2016-03-15 8:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 8:10 [RESEND][PATCH v6 0/3] thermal: mediatek: Add cpu dynamic power cooling model Dawei Chien
2016-03-15 8:10 ` Dawei Chien [this message]
[not found] ` <1458029437-12846-2-git-send-email-dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2016-04-12 5:38 ` [RESEND][PATCH 1/3] " Viresh Kumar
2016-04-13 4:52 ` Rafael J. Wysocki
2016-04-20 11:58 ` Matthias Brugger
[not found] ` <57176ECF.6020705-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-04-21 0:41 ` Rafael J. Wysocki
2016-04-21 3:01 ` Eduardo Valentin
2016-04-21 3:40 ` Eduardo Valentin
2016-04-21 17:53 ` Rafael J. Wysocki
2016-03-15 8:10 ` [RESEND][PATCH 2/3] arm64: dts: mt8173: Add thermal zone node Dawei Chien
2016-03-15 8:10 ` [RESEND][PATCH 3/3] arm64: dts: mt8173: Add dynamic power node Dawei Chien
[not found] ` <1458029437-12846-4-git-send-email-dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2016-04-21 4:12 ` dawei chien
2016-04-21 10:28 ` Matthias Brugger
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