linux-kernel - Re: [PATCH net-next v2 11/15] net: pse-pd: Add support for PSE device index

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Message-ID: <Z4AEKjvy029NLQrL@pengutronix.de>
Date: Thu, 9 Jan 2025 18:15:22 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Kory Maincent <kory.maincent@...tlin.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Donald Hunter <donald.hunter@...il.com>,
	Jonathan Corbet <corbet@....net>,
	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 net-next v2 11/15] net: pse-pd: Add support for PSE
 device index

On Thu, Jan 09, 2025 at 08:50:02AM -0800, Jakub Kicinski wrote:
> On Thu, 9 Jan 2025 17:27:03 +0100 Oleksij Rempel wrote:
> > > > This index is not used in the series, I see later on you'll add power
> > > > evaluation strategy but that also seems to be within a domain not
> > > > device?
> > > > 
> > > > Doesn't it make sense to move patches 11-14 to the next series?
> > > > The other 11 patches seem to my untrained eye to reshuffle existing
> > > > stuff, so they would make sense as a cohesive series.  
> > > 
> > > Indeed PSE index is used only as user information but there is nothing
> > > correlated. You are right maybe we can add PSE index when we have something
> > > usable for it.  
> 
> Oh, maybe you want to do the devlink-y thing then?
> Devlink identifies its devices by what I'd call "sysfs name" -
> bus name and device name.
> This is more meaningful to user than an artificial ID.
> Downside is it won't work well if you have multiple objects
> under a single struct device, or multiple struct device for
> one ASIC (e.g. multiple PCIe PFs on one PCIe card)
> 
> > No user, means, it is not exposed to the user space, it is not about
> > actual user space users.
> 
> Can't parse this :)

OK, please forget it :)
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