Re: [PATCH] powercap/drivers/dtpm: Add dtpm devfreq with energy model support

[Daniel Lezcano]

On 23/03/2021 16:56, Lukasz Luba wrote:
> Hi Daniel,
> 
> On 3/19/21 4:28 PM, Daniel Lezcano wrote:
>> Currently the dtpm supports the CPUs via cpufreq and the energy
>> model. This change provides the same for the device which supports
>> devfreq.
>>
>> Each device supporting devfreq and having an energy model can register
>> themselves in the list of supported devices.
>>
>> The concept is the same as the cpufreq dtpm support: the QoS is used
>> to aggregate the requests and the energy model gives the value of the
>> instantaneous power consumption ponderated by the load of the device.
>>
> 
> 
> I've just started the review, but I have a blocking question:
> 
> Why there is no unregister function (like 'dtmp_unregister_devfreq')?
> Do you consider any devfreq drivers to be modules?
> 
> The code looks like an API that it's going to be called directly in
> e.g. GPU driver in it's probe function. In that case probably the
> module unloading should call dtmp unregister.
> 
> Could you explain this to me please? So I can continue the review.

Just forgot the unregister function :)


-- 
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog