linux-kernel - Re: [PATCH v4 1/4] dt-bindings: mtd: raw-nand-chip: Relax node name pattern

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Message-ID: <174222729663.55568.3356685384531262945.robh@kernel.org>
Date: Mon, 17 Mar 2025 11:01:37 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: J. Neuschäfer <j.ne@...teo.net>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
	Crystal Wood <oss@...error.net>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Nicholas Piggin <npiggin@...il.com>,
	Naveen N Rao <naveen@...nel.org>, devicetree@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	linuxppc-dev@...ts.ozlabs.org,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Conor Dooley <conor+dt@...nel.org>, Frank Li <Frank.Li@....com>
Subject: Re: [PATCH v4 1/4] dt-bindings: mtd: raw-nand-chip: Relax node name
 pattern


On Thu, 13 Mar 2025 22:35:44 +0100, J. Neuschäfer wrote:
> In some scenarios, such as under the Freescale eLBC bus, there are raw
> NAND chips with a unit address that has a comma in it (cs,offset).
> For reasons of compatibility with historical device trees and
> readability of the unit addresses, this format is kept.
> 
> Relax the $nodename pattern in raw-nand-chip.yaml to allow such unit
> addresses. Unfortunately $nonenames defined in bindings that reference
> raw-nand
> 
> Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
> ---
> 
> V4:
> - reintroduce patch to silence dtc validation error, after discussion
>   with Rob Herring and Miquèl Raynal
> - add some more detail to the commit message
> - remove unit address format rather than extending it
>   (old pattern: "^nand@[a-f0-9](,[0-9a-f]*)?$")
> 
> V3:
> - remove patch after discussion with Miquèl Raynal
> 
> V2:
> - new patch
> ---
>  Documentation/devicetree/bindings/mtd/raw-nand-chip.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>