linux-kernel - Re: [PATCH 2/2] thermal: core: Remove pointless debug traces

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Date:   Wed, 1 Apr 2020 08:29:36 +0100
From:   Lukasz Luba <lukasz.luba@....com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] thermal: core: Remove pointless debug traces

Hi Daniel,

On 3/31/20 5:54 PM, Daniel Lezcano wrote:
> The last temperature and the current temperature are show via a
> dev_debug. The line before, those temperature are also traced.
> 
> It is pointless to duplicate the traces for the temperatures,
> remove the dev_dbg traces.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>   drivers/thermal/thermal_core.c | 6 ------
>   1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index 9a321dc548c8..c06550930979 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -447,12 +447,6 @@ static void update_temperature(struct thermal_zone_device *tz)
>   	mutex_unlock(&tz->lock);
>   
>   	trace_thermal_temperature(tz);
> -	if (tz->last_temperature == THERMAL_TEMP_INVALID)
> -		dev_dbg(&tz->device, "last_temperature N/A, current_temperature=%d\n",
> -			tz->temperature);
> -	else
> -		dev_dbg(&tz->device, "last_temperature=%d, current_temperature=%d\n",
> -			tz->last_temperature, tz->temperature);
>   }
>   
>   static void thermal_zone_device_init(struct thermal_zone_device *tz)
> 

This prints really deserve to be removed.

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

Regards,
Lukasz