netdev - Re: [PATCH v3 6/7] mfd: Add support for LAN966x PCI device

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Message-ID: <20240715141229.506bfff7@bootlin.com>
Date: Mon, 15 Jul 2024 14:12:29 +0200
From: Herve Codina <herve.codina@...tlin.com>
To: "Arnd Bergmann" <arnd@...db.de>
Cc: "Rob Herring" <robh@...nel.org>, "Conor Dooley" <conor+dt@...nel.org>,
 "Conor Dooley" <conor@...nel.org>, "Greg Kroah-Hartman"
 <gregkh@...uxfoundation.org>, "Lee Jones" <lee@...nel.org>, "Andy
 Shevchenko" <andy.shevchenko@...il.com>, "Simon Horman" <horms@...nel.org>,
 "Krzysztof Kozlowski" <krzk+dt@...nel.org>, UNGLinuxDriver@...rochip.com,
 "Saravana Kannan" <saravanak@...gle.com>, "Bjorn Helgaas"
 <bhelgaas@...gle.com>, "Philipp Zabel" <p.zabel@...gutronix.de>, "Lars
 Povlsen" <lars.povlsen@...rochip.com>, "Steen Hegelund"
 <Steen.Hegelund@...rochip.com>, "Daniel Machon"
 <daniel.machon@...rochip.com>, "David S . Miller" <davem@...emloft.net>,
 "Eric Dumazet" <edumazet@...gle.com>, "Jakub Kicinski" <kuba@...nel.org>,
 "Paolo Abeni" <pabeni@...hat.com>, "Horatiu Vultur"
 <horatiu.vultur@...rochip.com>, "Andrew Lunn" <andrew@...n.ch>,
 devicetree@...r.kernel.org, Netdev <netdev@...r.kernel.org>,
 linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, "Allan
 Nielsen" <allan.nielsen@...rochip.com>, "Luca Ceresoli"
 <luca.ceresoli@...tlin.com>, "Thomas Petazzoni"
 <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v3 6/7] mfd: Add support for LAN966x PCI device

Hi Arnd,

On Fri, 12 Jul 2024 16:14:31 +0200
"Arnd Bergmann" <arnd@...db.de> wrote:

> On Fri, Jul 12, 2024, at 15:11, Herve Codina wrote:
> > On Thu, 11 Jul 2024 14:33:26 -0600 Rob Herring <robh@...nel.org> wrote:  
> >> On Thu, Jul 11, 2024 at 1:08 PM Greg Kroah-Hartman <gregkh@...uxfoundation.org> 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