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

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Date: Mon, 5 Feb 2024 14:55:37 -0500
From: Frank Li <Frank.li@....com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Jakub Kicinski <kuba@...nel.org>, 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 Mon, Feb 05, 2024 at 10:25:46AM +0100, Krzysztof Kozlowski wrote:
> 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.

Understand, but without dts change, it is not easy to understand why need
change dt-binding files.

Frank

> 
> Best regards,
> Krzysztof
>