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Miller" , Lee Jones , Vinod Koul , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Manivannan Sadhasivam , Bjorn Helgaas , J. =?utf-8?Q?Neusch=C3=A4fer?= , Wim Van Sebroeck , Guenter Roeck , Mark Brown , Richard Weinberger , Vignesh Raghavendra , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-crypto@vger.kernel.org, dmaengine@vger.kernel.org, linux-pci@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-spi@vger.kernel.org, linux-mtd@lists.infradead.org Subject: Re: [PATCH v2 12/12] dt-bindings: mtd: raw-nand-chip: Relax node name pattern In-Reply-To: ("J. =?utf-8?Q?Neusch=C3=A4fer=22'?= =?utf-8?Q?s?= message of "Sun, 16 Feb 2025 18:12:26 +0000") References: <20250207-ppcyaml-v2-0-8137b0c42526@posteo.net> <20250207-ppcyaml-v2-12-8137b0c42526@posteo.net> <87o6zaurv9.fsf@bootlin.com> User-Agent: mu4e 1.12.7; emacs 29.4 Date: Mon, 17 Feb 2025 10:31:08 +0100 Message-ID: <87tt8svrxf.fsf@bootlin.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdehkedtgecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvvefujghffgffkfggtgfgsehtqhertddtreejnecuhfhrohhmpefoihhquhgvlhcutfgrhihnrghluceomhhiqhhuvghlrdhrrgihnhgrlhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnheptdevhffgtdfhhefggeeftdeiffduiedtgffftddutdehteejhfevieelveegveetnecuffhomhgrihhnpeguvghvihgtvghtrhgvvgdrohhrghenucfkphepledtrdekledrudeifedruddvjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeeltddrkeelrdduieefrdduvdejpdhhvghloheplhhotggrlhhhohhsthdpmhgrihhlfhhrohhmpehmihhquhgvlhdrrhgrhihnrghlsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeefledprhgtphhtthhopehjrdhnvgesphhoshhtvghordhnvghtpdhrtghpthhtohepuggvvhhnuhhllhdojhdrnhgvrdhpohhsthgvohdrnhgvtheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepuggvvhhitggvthhrvggvsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugihpphgtqdguvghvsehlihhsthhsrdhoi ihlrggsshdrohhrghdprhgtphhtthhopehkrhiikheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepihhmgieslhhishhtshdrlhhinhhugidruggvvhdprhgtphhtthhopehoshhssegsuhhsvghrrhhorhdrnhgvthdprhgtphhtthhopehmrgguugihsehlihhnuhigrdhisghmrdgtohhm X-GND-Sasl: miquel.raynal@bootlin.com Hello, >> > 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). >> > Relax the $nodename pattern in raw-nand-chip.yaml to allow such unit >> > addresses. >>=20 >> This is super specific to this controller, I'd rather avoid that in the >> main (shared) files. I believe you can force another node name in the >> controller's binding instead? > > It's a bit tricky. AFAICS, when I declare a node name pattern in my > specific binding in addition to the generic binding, the result is that > both of them apply, so I can't relax stricter requirements: > > # raw-nand-chip.yaml > properties: > $nodename: > pattern: "^nand@[a-f0-9]$" > > # fsl,elbc-fcm-nand.yaml > properties: > $nodename: > pattern: "^nand@[a-f0-9](,[0-9a-f]*)?$" Well, I guess this is creating a second possible node name. > # dtc > /.../fsl,elbc-fcm-nand.example.dtb: > nand@1,0: $nodename:0: 'nand@1,0' does not match '^nand@[a-f0-9]$' > from schema $id: > http://devicetree.org/schemas/mtd/fsl,elbc-fcm-nand.yaml# What about fixing the DT instead? > (I changed the second pattern to nand-fail@... and dtc warned about it > mismatching too.) > > Perhaps I'm missing a DT-schema trick to override a value/pattern. > > Alternatively (pending discussion on patch 11/12), I might end up not > referencing raw-nand-chip.yaml. Ok. Thanks, Miqu=C3=A8l