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

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Message-ID: <Z0R6myuCR4Jpmc_y@sashalap>
Date: Mon, 25 Nov 2024 08:24:43 -0500
From: Sasha Levin <sashal@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Chen-Yu Tsai <wenst@...omium.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	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

On Mon, Nov 25, 2024 at 12:33:48PM +0100, Krzysztof Kozlowski wrote:
>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.

The new dashboard isn't *that* bad :)

A list of platforms that show this issue:

- google,spherion-rev3 | google,spherion-rev2
- google,steelix-sku131072 | google,steelix
- google,tomato-rev2 | google,tomato | mediatek,mt8195
- google,juniper-sku16 | google,juniper | mediatek,mt8183
- google,kingoftown | qcom,sc7180
- google,lazor-rev5-sku5 | google,lazor-rev5-sku6

-- 
Thanks,
Sasha