From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DBB2823BF; Mon, 15 Jul 2024 12:12:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721045564; cv=none; b=g74OayVrMNODovPAs57hRqF+D69oEv8ugWagBKMwFFDJOJKclpMxOR1C18ym/e4gzm5yRtel5l8psSc+3oDs9n0TE0ASxyTCrkdUddEtDzWQ/SyobVXaWJOk8VMFtvXDrq0p0YyVBxEs0AYFiYoHfM4Q4qSqAsIKIEtnyaBn8hM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721045564; c=relaxed/simple; bh=VMT/rOOT1qU6Hq3BJfq7+bEmeu/KFHSk04Ws3Ap/4ck=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CixhIZAfeYB5tBb8J8948/wYsNPE2TGogervwopoookf6+5WCUKz0dD8c/Qlc595bvc18Jcjj76d6CLLEY8fPQ86ZXOsm1l8x9Xgr7lHjAEq5kjo5tnosjvbhOeeKFaRP7fQAu+m40s+obQPV0ImDnVy24JnuvQL5ra3Z6oVuKY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=C72YI2wv; arc=none smtp.client-ip=217.70.183.199 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="C72YI2wv" Received: by mail.gandi.net (Postfix) with ESMTPSA id 4A18DFF807; Mon, 15 Jul 2024 12:12:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1721045554; 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=J42xHR7gwk4N29F7WjDkMRYuLDoqLtCVLUGQwLuIj/c=; b=C72YI2wvQberRhw2lVvuDSA+IPGFIE/OYIHxbtnYZM3vI9rff8lNmiBdud4necXX0yPdL2 tRLV/EmzVfjFoxUSRvJ9gntMpsyEXBvavtT2eajp73QNd3Xg/yf8ce0JreU4aoLahoqWOu Vg2ynDc3WQ3uRPZBJsqt1Jdu3sw/Ku+8ISx7ujQ4IYn57r3ZcgmOK0GMiPmS8vl+Aff5xs zvwWXZYwpghuWnR2GKE0iVl7MPpYMSqa0/APTgBjIm3BC7LooahALXAKdbQW3eBtkMOt3y TJ2HKx0utDS0yL4Y3A9Dr5wNs6DM0eGlOoOo+S5x1A+5LpHu552OKkV02V5brw== Date: Mon, 15 Jul 2024 14:12:29 +0200 From: Herve Codina To: "Arnd Bergmann" Cc: "Rob Herring" , "Conor Dooley" , "Conor Dooley" , "Greg Kroah-Hartman" , "Lee Jones" , "Andy Shevchenko" , "Simon Horman" , "Krzysztof Kozlowski" , UNGLinuxDriver@microchip.com, "Saravana Kannan" , "Bjorn Helgaas" , "Philipp Zabel" , "Lars Povlsen" , "Steen Hegelund" , "Daniel Machon" , "David S . Miller" , "Eric Dumazet" , "Jakub Kicinski" , "Paolo Abeni" , "Horatiu Vultur" , "Andrew Lunn" , devicetree@vger.kernel.org, Netdev , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Allan Nielsen" , "Luca Ceresoli" , "Thomas Petazzoni" Subject: Re: [PATCH v3 6/7] mfd: Add support for LAN966x PCI device Message-ID: <20240715141229.506bfff7@bootlin.com> In-Reply-To: <83f7fa09-d0e6-4f36-a27d-cee08979be2a@app.fastmail.com> References: <20240627091137.370572-1-herve.codina@bootlin.com> <20240627091137.370572-7-herve.codina@bootlin.com> <20240711152952.GL501857@google.com> <20240711184438.65446cc3@bootlin.com> <2024071113-motocross-escalator-e034@gregkh> <20240712151122.67a17a94@bootlin.com> <83f7fa09-d0e6-4f36-a27d-cee08979be2a@app.fastmail.com> Organization: Bootlin X-Mailer: Claws Mail 4.2.0 (GTK 3.24.41; x86_64-redhat-linux-gnu) 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: 8bit X-GND-Sasl: herve.codina@bootlin.com Hi Arnd, On Fri, 12 Jul 2024 16:14:31 +0200 "Arnd Bergmann" wrote: > On Fri, Jul 12, 2024, at 15:11, Herve Codina wrote: > > On Thu, 11 Jul 2024 14:33:26 -0600 Rob Herring wrote: > >> On Thu, Jul 11, 2024 at 1:08 PM Greg Kroah-Hartman wrote: > > >> > > > >> > > This PCI driver purpose is to instanciate many other drivers using a DT > >> > > overlay. I think MFD is the right subsystem. > >> > >> It is a Multi-function Device, but it doesn't appear to use any of the > >> MFD subsystem. So maybe drivers/soc/? Another dumping ground, but it > >> is a driver for an SoC exposed as a PCI device. > >> > > > > In drivers/soc, drivers/soc/microchip/ could be the right place. > > > > Conor, are you open to have the PCI LAN966x device driver in > > drivers/soc/microchip/ ? > > That sounds like a much worse fit than drivers/mfd: the code > here does not actually run on the lan966x soc, it instead runs > on whatever other machine you happen to plug it into as a > PCI device. Maybe drivers/misc ? Best regards, Hervé