linux-kernel - Re: [PATCH v3 2/6] nvme: assign of

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Message-ID: <20240806130938.GA12231@lst.de>
Date: Tue, 6 Aug 2024 15:09:38 +0200
From: Christoph Hellwig <hch@....de>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Christoph Hellwig <hch@....de>, Ulf Hansson <ulf.hansson@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Joern Engel <joern@...ybastard.org>,
	Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
	Sagi Grimberg <sagi@...mberg.me>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
	linux-nvme@...ts.infradead.org
Subject: Re: [PATCH v3 2/6] nvme: assign of_node to nvme device

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/