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 520D0C3DA64 for ; Tue, 6 Aug 2024 12:45:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KJZALk2TlqMRe4kETaGtjGmHrz2PcQZI1F2rCm484H8=; b=pQhXAuBFxb4vPEwVBohyM3P3SV SvR4TXElWb4b1C1BVPWponXY0weiwayQPpa4jj+zVJpY6nHC7CxMKRBeCbk7NrFjTR8agdummnuF+ AHjySTJLlY7AEYqZrjAHpeiNRhdL3rsWpSwRoIttM3SHiQ0HPEhelaqo8UWXY5FgIDghtWFFuYxkS MMAZ2fYT4XQa7E1Q6PRS7KGfjKWfjZW7EN5An//nZylUk/Q/qtbZKlmnTygmdaMOj7R2dFDimazNk YbQhOgDOLBMyDXl1ofp0LYtosCtB07rziky2S8dWygCaff9uQnu1QIYtf6w6Zh+fduX43jjkGI7sd ND9IuniQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbJZ0-00000001Xn6-3WTq; Tue, 06 Aug 2024 12:45:18 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbJX1-00000001XWQ-3ys0; Tue, 06 Aug 2024 12:45:16 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 8173668D09; Tue, 6 Aug 2024 14:43:12 +0200 (CEST) Date: Tue, 6 Aug 2024 14:43:12 +0200 From: Christoph Hellwig To: Christian Marangi Cc: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Joern Engel , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Wolfram Sang , Florian Fainelli , Thomas Bogendoerfer , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org Subject: Re: [PATCH v3 2/6] nvme: assign of_node to nvme device Message-ID: <20240806124312.GB10156@lst.de> References: <20240806114118.17198-1-ansuelsmth@gmail.com> <20240806114118.17198-3-ansuelsmth@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240806114118.17198-3-ansuelsmth@gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240806_054316_149673_F65EE9F4 X-CRM114-Status: GOOD ( 16.62 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Tue, Aug 06, 2024 at 01:41:12PM +0200, Christian Marangi wrote: > Introduce support for a dedicated node for a nvme card. This will be a > subnode of the nvme controller node that will have the "nvme-card" > compatible. > > This follow a similar implementation done for mmc where the specific mmc > card have a dedicated of_node. > > This can be used for scenario where block2mtd module is used to declare > partition in DT and block2mtd is called on the root block of the nvme > card, permitting the usage of fixed-partition parser or alternative > ones. Err, hell no. Why would you wire up a purely PCIe device to OF? PCIe is self-discovering.