From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8EF10C02198 for ; Wed, 12 Feb 2025 16:31:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YA8Wo4n/SXityj0Qkc52qitoCHAbxeHk5wXAGTKmlBk=; b=vSvO/M0dyPIrze 7ajnEu1oBpmic6RwGhFYQpeoe9288RJd+rzi9FZ28yvYtV5yr+0yHe8qqmC7/vYhzbDIBt/1Ui3ui 4DFaT4qrzDAacGwl7YQpRL68poHwKsRwBQ6cM6ujLkCsXqIWRF1RZUA5eqc6I+4n+DY2UvfoUuUcu 7i71Q+92T71LmI3JFsBzYk/fHO24P3xv+BmaRLY4kghvILSpkEy3d9UA7YK+XREBpCd/A1Ab4b3QJ zvfAVpuiZSLr5fmKP2I9fjILXnuekgDrpoYKQu8imoq86HoVCW/B0jg9kkI3x64AV8AAIq8EZifQp ye6NfBVt9pFeVmWeVWjg==; 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arc=none smtp.client-ip=217.70.183.196 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="dAG8SAQl" Received: by mail.gandi.net (Postfix) with ESMTPSA id 0A62C44419; Wed, 12 Feb 2025 16:18:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1739377120; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JSBE115N7U9CMQpZg6ZPZBsdfvFaB3/geDg7qbYTHHU=; b=dAG8SAQlqiIZbfuzzhstCGWm+L9Dbfjcybrs1hu50NYmrj612zYGM9rM5S5H96pxSREXPg aWhS4n4Na7gekB6QW63VfnQAnw20W+bGhF6YqRDN1jMnRJT/UkoJCLgPXf9uTYxu9k+Jai n1rDqsCTv3cezCmSeWCZnmIpYmoKkjSWA/MSPrdKFkBAbdWkmIupX1Im/7yEbkiSdCmH+I 5U9tcUTaBUqiz66eFrreUccik+VM7a5gw+fWK3F3jvrg0+J9UoRsEn4bpSLqvT0aXdKLPW dPjeh9XAwQtdUT9oRHVsVqmtJSsq4fj/tAWeN7wseNLGmTCwNv4dF9Y7X6c4ag== From: Miquel Raynal To: Rob Herring Cc: Amit Kumar Mahapatra , richard@nod.at, vigneshr@ti.com, krzk+dt@kernel.org, conor+dt@kernel.org, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, git@amd.com, amitrkcian2002@gmail.com Subject: Re: [PATCH v12 1/3] dt-bindings: mtd: Describe MTD partitions concatenation In-Reply-To: <20250212160659.GA3883406-robh@kernel.org> (Rob Herring's message of "Wed, 12 Feb 2025 10:06:59 -0600") References: <20250205133730.273985-1-amit.kumar-mahapatra@amd.com> <20250205133730.273985-2-amit.kumar-mahapatra@amd.com> <20250211212928.GA1188800-robh@kernel.org> <87r043r2lq.fsf@bootlin.com> <20250212160659.GA3883406-robh@kernel.org> User-Agent: mu4e 1.12.7; emacs 29.4 Date: Wed, 12 Feb 2025 17:18:39 +0100 Message-ID: <874j0zqgps.fsf@bootlin.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: 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: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdeggeefgecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvvefujghffgffkfggtgfgsehtqhertddtreejnecuhfhrohhmpefoihhquhgvlhcutfgrhihnrghluceomhhiqhhuvghlrdhrrgihnhgrlhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepffeghfejtdefieeguddukedujeektdeihfelleeuieeuveehkedvleduheeivdefnecukfhppeeltddrkeelrdduieefrdduvdejnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepledtrdekledrudeifedruddvjedphhgvlhhopehlohgtrghlhhhoshhtpdhmrghilhhfrhhomhepmhhiqhhuvghlrdhrrgihnhgrlhessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepuddupdhrtghpthhtoheprhhosghhsehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrmhhithdrkhhumhgrrhdqmhgrhhgrphgrthhrrgesrghmugdrtghomhdprhgtphhtthhopehrihgthhgrrhgusehnohgurdgrthdprhgtphhtthhopehvihhgnhgvshhhrhesthhirdgtohhmpdhrtghpthhtohepkhhriihkodgutheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheptghonhhorhdoughtsehkvghrn hgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhmthgusehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhrtghpthhtohepuggvvhhitggvthhrvggvsehvghgvrhdrkhgvrhhnvghlrdhorhhg X-GND-Sasl: miquel.raynal@bootlin.com On 12/02/2025 at 10:06:59 -06, Rob Herring wrote: > On Wed, Feb 12, 2025 at 09:25:53AM +0100, Miquel Raynal wrote: >> Hi, >>=20 >> >> The partitions that gets created are >> >> part0_0 >> >> part1_1 >> >> part0_1-part1_0-concat >> > >> > 'part-concat' doesn't work if you have multiple sets of partitions you= =20 >> > want to concatenate. >> > >> > I think you need something like 'prev-partition' or 'next-partition' i= n=20 >> > the partition nodes to create a linked list of partitions. Hopefully,= =20 >> > you don't need both properties, but you do have to scan everything to= =20 >> > figure out which ones are concatenated or not. For example, no propert= y=20 >> > can mean not concatenated or last partition if you use 'next-partition= '.=20 >>=20 >> Out of curiosity, would the chosen node be eligible as a central place >> where to look at? > > Why would you need that? I'm talking about storing in a central place all the concatenated partitions. Your proposal with "next-partition" works fine if we locate it inside the 'partitions' node, but I feel like the 'part-concat' instead was not fitting very well there. So I was wondering in this case if moving the concatenation of the partitions would be eligible to the chosen node, or if that's reserved to *very* few properties (and should remain like that). Thanks, Miqu=C3=A8l