linux-kernel - Re: [PATCH] thermal: tegra: allow sensor registeration to fail

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Message-ID: <20171205024625.GC4949@localhost.localdomain>
Date:   Mon, 4 Dec 2017 18:46:28 -0800
From:   Eduardo Valentin <edubezval@...il.com>
To:     Nicolin Chen <nicoleotsuka@...il.com>
Cc:     rui.zhang@...el.com, srikars@...dia.com, thierry.reding@...il.com,
        jonathanh@...dia.com, linux-pm@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thermal: tegra: allow sensor registeration to fail

Hello,

On Fri, Oct 27, 2017 at 04:54:13PM -0700, Nicolin Chen wrote:
> Not all sensors may be used on a platform. So there could be
> some missing thermal zones in the Device Tree. However, the
> the driver now errors out whenever a sensor fails to register
> the thermal zone.
> 
> Since the driver could live with other sensors, this change
> allows other sensors to continue the registerations even if
> one sensor fails to register.

What would be the use case you want to have your chip running with
failed to probe thermal zones ? If they are failing to probe
shouldnt you fix the DT nodes?

a system with correct DT, failed to probe zones is a real bug.
Either in the DT or in the code.

> 
> Signed-off-by: Nicolin Chen <nicoleotsuka@...il.com>
> ---
>