linux-kernel - Re: [GIT PULL] Devicetree updates for v6.13

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Message-ID: <bd424582-c537-4a22-afd6-d53cb3fd5814@collabora.com>
Date: Mon, 25 Nov 2024 13:11:23 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Chen-Yu Tsai <wenst@...omium.org>
Cc: Sasha Levin <sashal@...nel.org>, Rob Herring <robh@...nel.org>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Saravana Kannan <saravanak@...gle.com>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, Matthias Brugger <matthias.bgg@...il.com>
Subject: Re: [GIT PULL] Devicetree updates for v6.13

Il 25/11/24 12:33, Krzysztof Kozlowski ha scritto:
> On 25/11/2024 12:00, Krzysztof Kozlowski wrote:
>> On 25/11/2024 11:34, Chen-Yu Tsai wrote:
>>> On Mon, Nov 25, 2024 at 5:48 PM AngeloGioacchino Del Regno
>>> <angelogioacchino.delregno@...labora.com> wrote:
>>>>
>>>> Il 24/11/24 17:59, Sasha Levin ha scritto:
>>>>> On Sun, Nov 24, 2024 at 05:47:33PM +0100, Krzysztof Kozlowski wrote:
>>>>>> On 24/11/2024 17:29, Sasha Levin wrote:
>>>>>>> Hi Rob,
>>>>>>>
>>>>>>> On Mon, Nov 18, 2024 at 03:07:30PM -0600, Rob Herring wrote:
>>>>>>>>       of: WARN on deprecated #address-cells/#size-cells handling
>>>>>>>
>>>>>>> With the commit above, I've started seeing boot warnings on a few
>>>>>>
>>>>>> And same boards do not report problems on the next?
>>>>>
>>>>> Looks like they do. I haven't checked it previously, but I see that we
>>>>> have similar warnings on a few boards that KernelCI is testing -next on.
>>>>>
>>>>
>>>> That's... horrendous.
>>>>
>>>> I hope that we can get a proper fix with a bootloader update on these (now very
>>>> old) devices... Adding a Google engineer to the loop so that he can follow up
>>>> internally.
>>>
>>> AFAIK that's unlikely going to happen given the resources needed from
>>> the ODMs for a firmware re-qualification. Or we would have fixed the GIC
>>> bug in ATF and had pseudo-NMI.
>>>
>>> Some of the firmware code involved is 10 years old, so even the RK3399
>>> Chromebooks, which no longer have support, could suffer from this as
>>> well.
>>>
>>>> The alternative would be to hack-in a firmware node to mt8183-kukui.dtsi, but....
>>>> ...ugh. That'd be indeed a hack for the sole purpose of fixing a bootloader that
>>>> is acting in a broken way, and I don't like that at all (...and I'm sure I'm not
>>>> alone!).
>>>
>>
>> Then we should add it to the exception list. Let me take a look at this.
> https://lore.kernel.org/linux-devicetree/20241125113151.107812-1-krzysztof.kozlowski@linaro.org/T/#u
> 
> I sent a fix for this platform only. You did not paste links to other
> failing platforms (and sorry but kernelci web interface was absolutely
> unmanageable and unusable, so I am not going to even try to look for
> them) so not sure who should be added to list of exceptions.
> 

Are you aware of the new dashboard, or are you referring to the old one?

https://dashboard.kernelci.org/tree

P.S.: If you do have any feedback on how to make it better, please feel free to
give it out: the KCI team will surely be happy to read it.

Cheers,
Angelo