netdev - Re: [PATCH] net: phy: at803x: Improve hibernation support on start up

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Message-ID: <ffc4c902-689a-495a-9b57-e72601547c53@lunn.ch>
Date: Thu, 10 Aug 2023 15:49:24 +0200
From: Andrew Lunn <andrew@...n.ch>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>, Marek Vasut <marex@...x.de>,
	Wei Fang <wei.fang@....com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Oleksij Rempel <linux@...pel-privat.de>,
	Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH] net: phy: at803x: Improve hibernation support on start up

> > What will be the best way to solve this issue for DSA switches attached to
> > MAC with RGMII RXC requirements?
> 
> I have no idea - the problem there is the model that has been adopted
> in Linux is that there is no direct relationship between the DSA switch
> and the MAC like there is with a PHY.

A clock provider/consumer relationship can be expressed in DT. The DSA
switch port would provide the clock, rather than the PHY.

       Andrew