linux-kernel - Re: [PATCH v4 3/4] thermal/drivers/cpuidle_cooling: Change the registration function

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Date:   Wed, 29 Apr 2020 21:00:10 +0100
From:   Lukasz Luba <lukasz.luba@....com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>, rui.zhang@...el.com
Cc:     Viresh Kumar <viresh.kumar@...aro.org>,
        Amit Daniel Kachhap <amit.kachhap@...il.com>,
        Javi Merino <javi.merino@...nel.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        "open list:THERMAL/CPU_COOLING" <linux-pm@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/4] thermal/drivers/cpuidle_cooling: Change the
 registration function

Hi Daniel,

On 4/29/20 11:36 AM, Daniel Lezcano wrote:
> Today, there is no user for the cpuidle cooling device. The targetted
> platform is ARM and ARM64.
> 
> The cpuidle and the cpufreq cooling device are based on the device tree.
> 
> As the cpuidle cooling device can have its own configuration depending
> on the platform and the available idle states. The DT node description
> will give the optional properties to set the cooling device up.
> 
> Do no longer rely on the CPU node which is prone to error and will
> lead to a confusion in the DT because the cpufreq cooling device is
> also using it. Let initialize the cpuidle cooling device with the DT
> binding.
> 
> This was tested on:
>   - hikey960
>   - hikey6220
>   - rock960
>   - db845c
> 
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>   - V4:
>     - Changed message from pr_info to pr_debug
>     - Fixed of properties to comply with the binding
>     - Add a debug message int case the thermal-idle node is not found
>     - Do not return an error as the caller won't care
> ---

Looks good.

Reviewed-by: Lukasz Luba <lukasz.luba@....com>

Regards,
Lukasz