linux-kernel - Re: [PATCH net-next v3 1/7] net: ethtool: pse-pd: Expand C33 PSE status with class, power and extended state

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Date: Tue, 25 Jun 2024 11:18:35 +0200
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>, Donald Hunter <donald.hunter@...il.com>, Thomas
 Petazzoni <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, Dent Project
 <dentproject@...uxfoundation.org>, kernel@...gutronix.de,
 UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next v3 1/7] net: ethtool: pse-pd: Expand C33 PSE
 status with class, power and extended state

Hello Oleksij,

On Mon, 17 Jun 2024 21:55:25 +0200
Oleksij Rempel <o.rempel@...gutronix.de> wrote:

> 
> > > The difference between open and underload is probably:
> > > - open: Iport = 0, detection state
> > > - underload: Iport < Imin (or Ihold?), Iport can be 0. related to
> > > powered/MPS state.  
> > 
> > Should I put it under MPS substate then?  
> 
> If my understand is correct, then yes. Can you test it? Do you have PD
> with adjustable load?

In fact I can't test it, I have a splitter and an adjustable load, not a
splitter that can adjust it's own load. So I can't decrease the load of the
splitter itself and reach this error condition.

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