linux-kernel - Re: [PATCH RFC net-next v3 16/27] regulator: Add support for power budget description

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Message-ID: <Z0L13SpD-xGhPQ10@pengutronix.de>
Date: Sun, 24 Nov 2024 10:46:05 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Andrew Lunn <andrew@...n.ch>, "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>,
	Mark Brown <broonie@...nel.org>,
	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 v3 16/27] regulator: Add support for power
 budget description

On Thu, Nov 21, 2024 at 03:42:42PM +0100, Kory Maincent wrote:
> From: Kory Maincent (Dent Project) <kory.maincent@...tlin.com>
> 
> In preparation for future support of PSE port priority and power
> management, we need the power budget value of the power supply.
> This addition allows the regulator to track the available power
> capacity, which will be essential for prioritizing ports when
> making power allocation decisions.
> 
> Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>
> --- a/include/linux/regulator/machine.h
> +++ b/include/linux/regulator/machine.h
> @@ -113,6 +113,7 @@ struct notification_limit {
>   * @min_uA: Smallest current consumers may set.
>   * @max_uA: Largest current consumers may set.
>   * @ilim_uA: Maximum input current.
> + * @pw_budget: Power budget for the regulator in mW.
>   * @system_load: Load that isn't captured by any consumer requests.
>   *
>   * @over_curr_limits:		Limits for acting on over current.
> @@ -185,6 +186,7 @@ struct regulation_constraints {
>  	int max_uA;
>  	int ilim_uA;
>  
> +	int pw_budget;

Unit name is missing. Should be: pw_budget_mW or something like this.

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