linux-kernel - Re: [PATCH v2 0/4] Add 8qm SMMU information

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Date: Mon, 5 Feb 2024 10:25:46 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Frank Li <Frank.li@....com>, Jakub Kicinski <kuba@...nel.org>
Cc: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>,
 Wei Fang <wei.fang@....com>, Shenwei Wang <shenwei.wang@....com>,
 Clark Wang <xiaoning.wang@....com>, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
 linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, imx@...ts.linux.dev
Subject: Re: [PATCH v2 0/4] Add 8qm SMMU information

On 02/02/2024 23:28, Frank Li wrote:
> On Fri, Feb 02, 2024 at 11:05:11AM -0800, Jakub Kicinski wrote:
>> On Thu, 01 Feb 2024 15:22:40 -0500 Frank Li wrote:
>>>       dt-bindings: mmc: fsl-imx-esdhc: add iommus property
>>>       dt-bindings: net: fec: add iommus property
>>>       arm64: dts: imx8qm: add smmu node
>>>       arm64: dts: imx8qm: add smmu stream id information
>>>
>>>  .../devicetree/bindings/mmc/fsl-imx-esdhc.yaml     |  3 ++
>>>  Documentation/devicetree/bindings/net/fsl,fec.yaml |  3 ++
>>>  arch/arm64/boot/dts/freescale/imx8qm-ss-conn.dtsi  |  6 ++++
>>>  arch/arm64/boot/dts/freescale/imx8qm.dtsi          | 41 ++++++++++++++++++++++
>>
>> Any preference on whether all these go via a platform tree,
>> or should we pick up the net patch to netdev? I guess taking
>> the DTB via netdev would be the usual way to handle this?
> 
> Supposed dt-bindings go through netdev tree.
> 
> without dt-bindings, just DTB_CHECK warning. No strict dependence
> relationship between dt-bindings doc and dts file. 

Please make it easier for maintainers and sent entirely independent
patches for different subsystems in SEPARATE patchsets.

There is no dependency here between anything. Combining it, OTOH, brings
the questions about such dependency and makes it a bit more difficult to
apply for each maintainer.

Best regards,
Krzysztof