linux-kernel - Re: [PATCH net-next v2 3/9] net: phy: Allow PHY drivers to report isolation support

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Message-ID: <ZwAb3DNWYl0ykRBl@pengutronix.de>
Date: Fri, 4 Oct 2024 18:46:20 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
	Andrew Lunn <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Russell King <linux@...linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Herve Codina <herve.codina@...tlin.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Marek Behún <kabel@...nel.org>,
	Köry Maincent <kory.maincent@...tlin.com>
Subject: Re: [PATCH net-next v2 3/9] net: phy: Allow PHY drivers to report
 isolation support

On Fri, Oct 04, 2024 at 06:15:53PM +0200, Maxime Chevallier wrote:
> Some PHYs have malfunctionning isolation modes, where the MII lines
> aren't correctly set in high-impedance, potentially interfering with the
> MII bus in unexpected ways. Some other PHYs simply don't support it.

Do we have in this case multiple isolation variants like high-impedance
and "the other one"? :)  Do the "the other one" is still usable for some
cases like Wake on LAN without shared xMII?

I'm just curios.

Regards,
Oleksij
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