netdev - Re: [PATCH net-next v5 13/17] net: pse-pd: Use regulator framework within PSE framework

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Message-ID: <84b300c7-8295-424b-9117-c604fb4cd73e@lunn.ch>
Date: Mon, 4 Mar 2024 14:32:50 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Köry Maincent <kory.maincent@...tlin.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	"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

> > > +	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?

   Andrew