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Commit f8fa8ae0 authored by Punit Agrawal's avatar Punit Agrawal Committed by Rafael J. Wysocki
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cpufreq-dt: Supply power coefficient when registering cooling devices 



Support registering cooling devices with dynamic power coefficient
where provided by the device tree. This allows OF registered cooling
devices driver to be used with the power_allocator thermal governor.

Signed-off-by: default avatarPunit Agrawal <punit.agrawal@arm.com>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: default avatarJavi Merino <javi.merino@arm.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 3be3f8f3

drivers/cpufreq/cpufreq-dt.c

+7 −2
Original line number Diff line number Diff line
@@ -407,8 +407,13 @@ static void cpufreq_ready(struct cpufreq_policy *policy) 
	 * thermal DT code takes care of matching them.

	 */

	if (of_find_property(np, "#cooling-cells", NULL)) {

		priv->cdev = of_cpufreq_cooling_register(np,

							 policy->related_cpus);

		u32 power_coefficient = 0;



		of_property_read_u32(np, "dynamic-power-coefficient",

				     &power_coefficient);



		priv->cdev = of_cpufreq_power_cooling_register(np,

				policy->related_cpus, power_coefficient, NULL);

		if (IS_ERR(priv->cdev)) {

			dev_err(priv->cpu_dev,

				"running cpufreq without cooling device: %ld\n",