linux-kernel - Re: [PATCH RFC net-next v2 11/18] regulator: Add support for power budget description

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Message-ID: <8c5df9b8-2ee9-4baa-a7f3-1d7f633cc908@sirena.org.uk>
Date: Wed, 30 Oct 2024 17:31:34 +0000
From: Mark Brown <broonie@...nel.org>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Andrew Lunn <andrew@...n.ch>, 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>,
	Donald Hunter <donald.hunter@...il.com>,
	Rob Herring <robh@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
	Simon Horman <horms@...nel.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Liam Girdwood <lgirdwood@...il.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-doc@...r.kernel.org, Kyle Swenson <kyle.swenson@....tech>,
	Dent Project <dentproject@...uxfoundation.org>,
	kernel@...gutronix.de,
	Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: Re: [PATCH RFC net-next v2 11/18] regulator: Add support for power
 budget description

On Wed, Oct 30, 2024 at 06:22:11PM +0100, Kory Maincent wrote:
> Mark Brown <broonie@...nel.org> wrote:
> > On Wed, Oct 30, 2024 at 05:53:13PM +0100, Kory Maincent wrote:

> > > +int regulator_get_power_budget(struct regulator *regulator)
> > > +{
> > > +	return regulator->rdev->constraints->pw_budget;
> > > +}  

> > This is going to go badly with multiple consumers...

> On my series the available power budget of the PIs (which are consumers) is
> managed in the PSE core in the PSE power domain (patch 13). We could move it
> directly to regulator API.

It feels like it's going to need joining up at some point.

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