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Message-ID: <7a5679f1-04a9-490e-ad9d-8f7e706c90cf@collabora.com>
Date: Wed, 5 Jun 2024 12:33:59 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Nicolas Pitre <npitre@...libre.com>
Cc: Julien Panis <jpanis@...libre.com>, "Rafael J. Wysocki"
 <rafael@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>,
 Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>,
 Matthias Brugger <matthias.bgg@...il.com>, linux-pm@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] thermal/drivers/mediatek/lvts_thermal: Return error in
 case of invalid efuse data

Il 04/06/24 18:33, Nicolas Pitre ha scritto:
> On Tue, 4 Jun 2024, AngeloGioacchino Del Regno wrote:
> 
>> Il 03/06/24 14:06, Julien Panis ha scritto:
>>> This patch prevents from registering thermal entries and letting the
>>> driver misbehave if efuse data is invalid. A device is not properly
>>> calibrated if the golden temperature is zero.
>>>
>>> Signed-off-by: Julien Panis <jpanis@...libre.com>
>>
>> Fixes tag, please.
> 
> What should it refer to? This is arguably a robustness enhancement for a
> defficiency that has been there all along.
> 
> 

If that's been there since day 1, the fixes tag should be the day 1 commit,
of course.

I see that as an important bugfix and not just a robustness enhancement, as
SoCs with uncalibrated LVTS would *not work*, as the kernel would shut down
the system before even loading the userspace.

Regards,
Angelo


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