linux-kernel - [PATCH] thermal: power_allocate: add upper and lower limits

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Message-ID: <20200424071601.2636-1-michael.kao@mediatek.com>
Date:   Fri, 24 Apr 2020 15:16:01 +0800
From:   Michael Kao <michael.kao@...iatek.com>
To:     Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <hsinyi@...omium.org>, <linux-pm@...r.kernel.org>,
        <srv_heupstream@...iatek.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Michael Kao <michael.kao@...iatek.com>
Subject: [PATCH] thermal: power_allocate: add upper and lower limits

The upper and lower limits of thermal throttle state in the
device tree do not apply to the power_allocate governor.
Add the upper and lower limits to the power_allocate governor.

Signed-off-by: Michael Kao <michael.kao@...iatek.com>
---
 drivers/thermal/thermal_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 9a321dc548c8..f6feed2265bd 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -598,7 +598,7 @@ int power_actor_set_power(struct thermal_cooling_device *cdev,
 	if (ret)
 		return ret;
 
-	instance->target = state;
+	instance->target = clamp_val(state, instance->lower, instance->upper);
 	mutex_lock(&cdev->lock);
 	cdev->updated = false;
 	mutex_unlock(&cdev->lock);
-- 
2.18.0