netdev - Re: Handling an Extra Signal at PHY Reset

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Message-ID: <20190221140458.GF5653@lunn.ch>
Date:   Thu, 21 Feb 2019 15:04:58 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>, netdev@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Mylène Josserand 
        <mylene.josserand@...tlin.com>
Subject: Re: Handling an Extra Signal at PHY Reset

> I can also confirm that it does not prevent contacting the PHY on the
> MDIO bus, contrary to what I have stated previously.

O.K, so wrong voltage does not matter, you can still probe the PHY.

Ignore the switch. Use a pin hog to set the GPIO to the disabled
state. And set the voltage using the PHY register during probe().

    Andrew