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

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Date: Thu, 21 Mar 2024 17:15:24 +0100
From: Kory Maincent <kory.maincent@...tlin.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: "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>,
 Andrew Lunn <andrew@...n.ch>, 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

Hello Oleksij,

On Mon, 4 Mar 2024 11:31:19 +0100
Oleksij Rempel <o.rempel@...gutronix.de> wrote:

> >    
> > > Should be tested, but if, instead of "vin-supply", we will use
> > > "pse-supply" it will make most part of pse_regulator.c obsolete.  
> > 
> > Don't know, if it is done at the pse-pi node level it may not break
> > pse_regulator.c. Not sure about it.  
> 
> me too. Before your patch set, the regulator topology for PoDL PSE was
> following:
> power-source
>   fixed-regulator
>      PoDL_PSE-consumer
> 
> Now it will be:
> power-source
>   fixed-regulator
>      PoDL_PSE-consumer
>        PSE-PI-provider
>          PSE-PI-consumer
> 
> By porting porting PSE framework to regulator, probably it make sense to
> remove two levels of regulators?
> power-source
>   fixed-regulator
>      PSE-PI-consumer

Sorry, I forgot to reply about this.
This is specific to pse_regulator driver. Could we tackle this change in another
patch series when the current patch series got applied?
Also I don't have the hardware to test it.

Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com