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 6B41AC021A4 for ; Wed, 12 Feb 2025 08:32:09 +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=OwJdZtgWYWUVqo3Nvf3DrmaSrZ4DNM4tXvIwnqc+ACc=; b=LsDA3cRnBSEZm/ iS2kqDgSyLePMhqMXe11pqx4OrmNUtdBg/1F/5jREY/Az5hVqBPGoF+qpiSC8g5VxIbZ1IaX0CdMl 2jSUJ1xARtt60f7LSymdTXYQFj4YVO6uA3xAa97mDu0iNUWbhP4q1aqnvMXDVXu63a5fWeD8g157G HbC7e37KaPVAbLwldgLfNjQ15zMAYcuHSyaOPmvqrhvf8sgJAQfEM7VkqfrZiZSbuwKjiB+PQoO+l BXYuPkGZR3ierjy2/cJYar2Or2ibcxjMaC1lnHfGjcUXln5VXq7pN4EhsxPsJeMxJplIGsoUx1rfQ UnOwGlGEe38Z8s+SfSTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ti8A4-00000006dVn-0hTR; Wed, 12 Feb 2025 08:32:00 +0000 Received: from relay7-d.mail.gandi.net ([217.70.183.200]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1ti84D-00000006cAx-0ELy for linux-mtd@lists.infradead.org; Wed, 12 Feb 2025 08:25:58 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 6C0E943201; Wed, 12 Feb 2025 08:25:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1739348754; 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=T5noWuekGcO4TRN2XISrfPnAA/81AD4EC5oVcCNbEiI=; b=HfC5z0HQ2GOPil858ShZzgc2qF7Z/QimMkB0RVsbUAedBhzcU7Ac55BCUvrnHLgFR0PWkF t8WeE7GCJ4Df3HBC+3em9OIILTUIszJARx6+BuvZCgpaGRPlN5fCWeBUGsjOc4hWkvLPvX atm+E9mzhg3cyAJAS9QvV68HQbjJk0/EnvBrsZScMeFustb615ExWREzOFV6qTzmyWlrMr uZBAxN1UCRWXfKJOZVqrDbmJ9Mwi9GaTC5gX3ztM1BRBpsCTL5Gbua26UgF5o8rH36YLc0 2f4RdvR6nhBLXlX8kMDGLodAyNWvOJNiwGPPbqov+dTKWgcY623VztIfdFZjYQ== 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: <20250211212928.GA1188800-robh@kernel.org> (Rob Herring's message of "Tue, 11 Feb 2025 15:29:28 -0600") References: <20250205133730.273985-1-amit.kumar-mahapatra@amd.com> <20250205133730.273985-2-amit.kumar-mahapatra@amd.com> <20250211212928.GA1188800-robh@kernel.org> User-Agent: mu4e 1.12.7; emacs 29.4 Date: Wed, 12 Feb 2025 09:25:53 +0100 Message-ID: <87r043r2lq.fsf@bootlin.com> MIME-Version: 1.0 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdegfeeflecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvvefujghffgffkfggtgfgsehtqhertddtreejnecuhfhrohhmpefoihhquhgvlhcutfgrhihnrghluceomhhiqhhuvghlrdhrrgihnhgrlhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepffeghfejtdefieeguddukedujeektdeihfelleeuieeuveehkedvleduheeivdefnecukfhppeeltddrkeelrdduieefrdduvdejnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepledtrdekledrudeifedruddvjedphhgvlhhopehlohgtrghlhhhoshhtpdhmrghilhhfrhhomhepmhhiqhhuvghlrdhrrgihnhgrlhessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepuddupdhrtghpthhtoheprhhosghhsehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrmhhithdrkhhumhgrrhdqmhgrhhgrphgrthhrrgesrghmugdrtghomhdprhgtphhtthhopehrihgthhgrrhgusehnohgurdgrthdprhgtphhtthhopehvihhgnhgvshhhrhesthhirdgtohhmpdhrtghpthhtohepkhhriihkodgutheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheptghonhhorhdoughtsehkvghrn hgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhmthgusehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhrtghpthhtohepuggvvhhitggvthhrvggvsehvghgvrhdrkhgvrhhnvghlrdhorhhg X-GND-Sasl: miquel.raynal@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250212_002557_260244_269D6444 X-CRM114-Status: UNSURE ( 8.79 ) X-CRM114-Notice: Please train this message. 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arc=none smtp.client-ip=217.70.183.200 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="HfC5z0HQ" Received: by mail.gandi.net (Postfix) with ESMTPSA id 6C0E943201; Wed, 12 Feb 2025 08:25:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1739348754; 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=T5noWuekGcO4TRN2XISrfPnAA/81AD4EC5oVcCNbEiI=; b=HfC5z0HQ2GOPil858ShZzgc2qF7Z/QimMkB0RVsbUAedBhzcU7Ac55BCUvrnHLgFR0PWkF t8WeE7GCJ4Df3HBC+3em9OIILTUIszJARx6+BuvZCgpaGRPlN5fCWeBUGsjOc4hWkvLPvX atm+E9mzhg3cyAJAS9QvV68HQbjJk0/EnvBrsZScMeFustb615ExWREzOFV6qTzmyWlrMr uZBAxN1UCRWXfKJOZVqrDbmJ9Mwi9GaTC5gX3ztM1BRBpsCTL5Gbua26UgF5o8rH36YLc0 2f4RdvR6nhBLXlX8kMDGLodAyNWvOJNiwGPPbqov+dTKWgcY623VztIfdFZjYQ== 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: <20250211212928.GA1188800-robh@kernel.org> (Rob Herring's message of "Tue, 11 Feb 2025 15:29:28 -0600") References: <20250205133730.273985-1-amit.kumar-mahapatra@amd.com> <20250205133730.273985-2-amit.kumar-mahapatra@amd.com> <20250211212928.GA1188800-robh@kernel.org> User-Agent: mu4e 1.12.7; emacs 29.4 Date: Wed, 12 Feb 2025 09:25:53 +0100 Message-ID: <87r043r2lq.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: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdegfeeflecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvvefujghffgffkfggtgfgsehtqhertddtreejnecuhfhrohhmpefoihhquhgvlhcutfgrhihnrghluceomhhiqhhuvghlrdhrrgihnhgrlhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepffeghfejtdefieeguddukedujeektdeihfelleeuieeuveehkedvleduheeivdefnecukfhppeeltddrkeelrdduieefrdduvdejnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepledtrdekledrudeifedruddvjedphhgvlhhopehlohgtrghlhhhoshhtpdhmrghilhhfrhhomhepmhhiqhhuvghlrdhrrgihnhgrlhessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepuddupdhrtghpthhtoheprhhosghhsehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrmhhithdrkhhumhgrrhdqmhgrhhgrphgrthhrrgesrghmugdrtghomhdprhgtphhtthhopehrihgthhgrrhgusehnohgurdgrthdprhgtphhtthhopehvihhgnhgvshhhrhesthhirdgtohhmpdhrtghpthhtohepkhhriihkodgutheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheptghonhhorhdoughtsehkvghrn hgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhmthgusehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhrtghpthhtohepuggvvhhitggvthhrvggvsehvghgvrhdrkhgvrhhnvghlrdhorhhg X-GND-Sasl: miquel.raynal@bootlin.com Hi, >> 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' in=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 property=20 > can mean not concatenated or last partition if you use 'next-partition'.= =20 Out of curiosity, would the chosen node be eligible as a central place where to look at? Thanks, Miqu=C3=A8l