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Message-ID: <ZeXO_NhXZQajGZPr@pengutronix.de>
Date: Mon, 4 Mar 2024 14:39:08 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Andrew Lunn <andrew@...n.ch>
Cc: Köry Maincent <kory.maincent@...tlin.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Jonathan Corbet <corbet@....net>,
Luis Chamberlain <mcgrof@...nel.org>,
Russ Weight <russ.weight@...ux.dev>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Mark Brown <broonie@...nel.org>,
Frank Rowand <frowand.list@...il.com>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org, devicetree@...r.kernel.org,
Dent Project <dentproject@...uxfoundation.org>
Subject: Re: [PATCH net-next v5 13/17] net: pse-pd: Use regulator framework
within PSE framework
On Mon, Mar 04, 2024 at 02:32:50PM +0100, Andrew Lunn wrote:
> > > > + psec = dev_find_pse_control(&phy->mdio.dev);
> > > > + if (IS_ERR(psec)) {
> > > > + rc = PTR_ERR(psec);
> > > > + goto unregister_phy;
> > > > + }
> > > > +
> > >
> > > I do not think it is a good idea to make PSE controller depend on
> > > phy->mdio.dev. The only reason why we have fwnode_find_pse_control()
> > > here was the missing port abstraction.
> >
> > I totally agree that having port abstraction would be more convenient.
> > Maxime Chevallier is currently working on this and will post it after his
> > multi-phy series get merged.
> > Meanwhile, we still need a device pointer for getting the regulator. The
> > phy->mdio.dev is the only one I can think of as a regulator consumer.
> > Another idea?
>
> Sorry, i've not been keeping up...
>
> Doesn't the device tree binding determine this? Where is the consumer
> in the tree?
The real consumer is outside of the system. Withing the system, it would
be the RJ45 port, but we have no abstraction for ports so far.
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