linux-kernel - Re: [PATCH 1/3] thermal/drivers/cpufreq_cooling: Use device name instead of auto-numbering

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Message-ID: <452c1619-fcda-d006-721a-d471389aa90a@arm.com>
Date:   Fri, 12 Mar 2021 10:58:18 +0000
From:   Lukasz Luba <lukasz.luba@....com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     rui.zhang@...el.com, amitk@...nel.org, linux-pm@...r.kernel.org,
        Amit Daniel Kachhap <amit.kachhap@...il.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Javi Merino <javi.merino@...nel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] thermal/drivers/cpufreq_cooling: Use device name
 instead of auto-numbering

Hi Daniel,

Only minor comments.

On 3/10/21 11:45 AM, Daniel Lezcano wrote:
> Currently the naming of a cooling device is just a cooling technique
> followed by a number. When there are multiple cooling devices using
> the same technique, it is impossible to clearly identify the related
> device as this one is just a number.
> 
> For instance:
> 
>   thermal-cpufreq-0
>   thermal-cpufreq-1
>   etc ...
> 
> The 'thermal' prefix is redundant with the subsystem namespace. This
> patch removes the 'thermal prefix and changes the number by the device

missing ', after 'thermal

> name. So the naming above becomes:
> 
>   cpufreq-cpu0
>   cpufreq-cpu4
>   etc ...
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>   drivers/thermal/cpufreq_cooling.c | 28 +++++++---------------------
>   1 file changed, 7 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/thermal/cpufreq_cooling.c b/drivers/thermal/cpufreq_cooling.c
> index 10af3341e5ea..cf0332bbdcd3 100644
> --- a/drivers/thermal/cpufreq_cooling.c
> +++ b/drivers/thermal/cpufreq_cooling.c
> @@ -13,6 +13,7 @@
>   #include <linux/cpu.h>
>   #include <linux/cpufreq.h>
>   #include <linux/cpu_cooling.h>
> +#include <linux/device.h>
>   #include <linux/energy_model.h>
>   #include <linux/err.h>
>   #include <linux/export.h>

You can now also remove the header:
#include <linux/idr.h>


other than that, LGTM

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