linux-kernel - Re: [PATCH 1/2] dt-bindings: pwm: mediatek,mt2712: add compatible for MT7988

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Date: Fri, 16 Feb 2024 10:07:12 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Rafał Miłecki <zajec5@...il.com>,
 Conor Dooley <conor@...nel.org>
Cc: Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
 John Crispin <john@...ozen.org>, linux-pwm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH 1/2] dt-bindings: pwm: mediatek,mt2712: add compatible for
 MT7988

On 14/02/2024 07:34, Rafał Miłecki wrote:
> On 13.02.2024 19:18, Conor Dooley wrote:
>> On Tue, Feb 13, 2024 at 05:46:32PM +0100, Rafał Miłecki wrote:
>>> From: Rafał Miłecki <rafal@...ecki.pl>
>>>
>>> MT7988 has on-SoC controller that can control up to 8 PWMs.
>>
>> I see a binding and a dts patch, but no driver patch, how come?
> 
> I believe that to avoid cross-trees patchsets (which are sometimes
> tricky for maintainers) there are two ways of submiting such changes:
> 1. dt-binding + driver; then (separately) DTS
> 2. dt-binding + DTS; then (separately) driver
> 
> I chose later in this case as my personal priority right now is to deal
> with all MediaTek DTS files.
> 
> Is that wrong or unacceptable?

That was explained many, many times. For cases like driver+bindings+DTS,
bindings go via driver subsystem, so they should be posted with driver
patches.

Feel free to include DTS at the end of series, unless you send to Greg
or netdev.
Better, also required for Greg and netdev, is to send DTS separately
with lore links to the bindings.

Best regards,
Krzysztof