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Commit 07d888d8 authored by Viresh Kumar's avatar Viresh Kumar Committed by Eduardo Valentin
Browse files

thermal: cpu_cooling: Add comment to clarify relation between cooling state and frequency 



This wasn't explained well anywhere and should be clearly specified. Lets add a
top level comment for this.

Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent beca6053

drivers/thermal/cpu_cooling.c

+14 −0
Original line number Diff line number Diff line
@@ -28,6 +28,20 @@ 
#include <linux/cpu.h>

#include <linux/cpu_cooling.h>



/*

 * Cooling state <-> CPUFreq frequency

 *

 * Cooling states are translated to frequencies throughout this driver and this

 * is the relation between them.

 *

 * Highest cooling state corresponds to lowest possible frequency.

 *

 * i.e.

 *	level 0 --> 1st Max Freq

 *	level 1 --> 2nd Max Freq

 *	...

 */



/**

 * struct cpufreq_cooling_device - data for cooling device with cpufreq

 * @id: unique integer value corresponding to each cpufreq_cooling_device