linux-kernel - Re: [RFC PATCH v2 1/6] dt-bindings: pinctrl: starfive: Add JH8100 pinctrl

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Date: Wed, 21 Feb 2024 08:24:26 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Conor Dooley <conor@...nel.org>
Cc: Alex Soo <yuklin.soo@...rfivetech.com>,
 Linus Walleij <linus.walleij@...aro.org>,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
 Hal Feng <hal.feng@...rfivetech.com>,
 Ley Foon Tan <leyfoon.tan@...rfivetech.com>,
 Jianlong Huang <jianlong.huang@...rfivetech.com>,
 Emil Renner Berthing <kernel@...il.dk>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Drew Fustini <drew@...gleboard.org>,
 linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
Subject: Re: [RFC PATCH v2 1/6] dt-bindings: pinctrl: starfive: Add JH8100
 pinctrl

On 20/02/2024 20:10, Conor Dooley wrote:
> On Tue, Feb 20, 2024 at 09:11:43AM +0100, Krzysztof Kozlowski wrote:
>> On 20/02/2024 07:42, Alex Soo wrote:
>>> Add documentation and header file for JH8100 pinctrl driver.
>>>
>>> Signed-off-by: Alex Soo <yuklin.soo@...rfivetech.com>
>>> ---
>>
>>
>> RFC? Why isn't this patch ready for review?
> 
> The TL;DR is that Emil and I didn't want to apply the dts patches to
> support a platform that hadn't actually been taped out yet. 
> For an SoC in that state, at least the bindings for, clock and pinctrl
> could be subject to changes before tapeou. I think putting RFC on those
> patches is a good idea, but of course the rationale should be mentioned.

That would be useful information. We also could mark some bindings
unstable and accept breaking ABI under certain conditions, like that it
is early work without users for long time.

Best regards,
Krzysztof