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 18687C52D73 for ; Tue, 6 Aug 2024 13:09:48 +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=4/+yfebmcCt+GYD9DilF4pN8420I0xcAx5yduelZnns=; b=hNzMeU/FO2wbRDl/IcMXo1xq9K zgDnbOULxJA0tTnXynyrpPWYrdk9KKgUJoWiUf5pOKWIzL3A8W6CjcIcPV90FMIWUtFkklzFBrQy6 pUFTOFl8k8DsoKqZzCVYnTr5VKGwXO008az4l03gRRxdQkAXNccfT1wVdm6NvZ6XU0u1uvCZIOVTK njqjS3Pfx+UVrF3pFVuAYuCf4f5rElO7ERi37Owy1s9QgkIIQopWo6WpBXiHdwyb90JbImm3bCKd8 o/n9S+E2y/LnvqXsDkvjSyVlKhJcDmfWIv8ZckJLmQ4rnI8yEk9oxxvDeaOuoTkyhWJLhk4qspBW6 GYCueqCQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbJwg-00000001eCP-1Mj6; Tue, 06 Aug 2024 13:09:46 +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 1sbJwc-00000001eB6-3vee; Tue, 06 Aug 2024 13:09:44 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id D203E68CFE; Tue, 6 Aug 2024 15:09:38 +0200 (CEST) Date: Tue, 6 Aug 2024 15:09:38 +0200 From: Christoph Hellwig To: Christian Marangi Cc: Christoph Hellwig , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Joern Engel , Keith Busch , Jens Axboe , 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: <20240806130938.GA12231@lst.de> References: <20240806114118.17198-1-ansuelsmth@gmail.com> <20240806114118.17198-3-ansuelsmth@gmail.com> <20240806124312.GB10156@lst.de> <66b21f20.5d0a0220.200175.4b9b@mx.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <66b21f20.5d0a0220.200175.4b9b@mx.google.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_060943_137609_8DF2B4AE X-CRM114-Status: GOOD ( 15.07 ) 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 03:03:24PM +0200, Christian Marangi wrote: > Well on embedded pure PCIe card most of the time are not a thing... > Unless it's an enterprise product, everything is integrated in the pcb > and not detachable for cost saving measure or also if the thing use PCIe > protocol but it tighlty coupled with the SoC. Yes, PCIe has a bunch of form factors, including just soldered on BGA devices, but none of that matters at all for the logical protocol. > This implementation is already very common for all kind of pcie devices > like wireless card, gpio expander that are integrated in the PCB and > require property in DT like calibration data, quirks or GPIO pin > definitions, i2c... Do you have a document on that/