linux-kernel - Re: [PATCH] arm/arm64: samsung: Enable W=1 on dtbs by default

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Message-ID: <986db909-144b-465a-8c46-273042a4fe5e@linaro.org>
Date: Thu, 25 Jan 2024 12:31:42 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Rob Herring <robh@...nel.org>
Cc: Alim Akhtar <alim.akhtar@...sung.com>, Conor Dooley
 <conor+dt@...nel.org>, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm/arm64: samsung: Enable W=1 on dtbs by default

On 21/11/2023 15:58, Rob Herring wrote:
> On Fri, Nov 17, 2023 at 3:19 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> On 16/11/2023 22:17, Rob Herring wrote:
>>> Samsung platforms are clean of W=1 dtc warnings, so enable the warnings
>>> by default. This way submitters don't have to remember to run a W=1
>>> build of the .dts files and the grumpiness of the maintainers can be
>>> reduced.
>>>
>>> Signed-off-by: Rob Herring <robh@...nel.org>
>>> ---
>>> Well, there's a couple of warnings on 32-bit, but they look fixable to
>>> me.
>>>
>>> There's a few other platforms we could do this to. Sadly, they are still
>>> the minority. Otherwise, we could change the default and add a flag to
>>> disable (I_STILL_HAVENT_FIXED_MY_PLATFORMS=1).
>>
>> 64-bit has still few warnings:
>> https://krzk.eu/#/builders/29/builds/3710/steps/26/logs/warnings__6_
> 
> I may move that graph check to W=2. There's some cases where port@1 is
> optional and it doesn't really make sense to fix these.
> 
> Also, Conor wants to do this for all of riscv, but this solution is
> per directory. So I need to rework it to use a different variable that
> can be per directory or global.

Just to clarify, because I still have this patch in my inbox: I assume
you are going to send a v2 of this, so I drop it.

Best regards,
Krzysztof