linux-kernel - Re: [PATCH net-next v1 3/3] net: phy: micrel: add coma mode GPIO

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Message-ID: <652a5d64-4f06-7ac8-a792-df0a4b43686f@gmail.com>
Date:   Wed, 27 Apr 2022 15:06:52 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Michael Walle <michael@...le.cc>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v1 3/3] net: phy: micrel: add coma mode GPIO



On 4/27/2022 2:44 PM, Michael Walle wrote:
> The LAN8814 has a coma mode pin which puts the PHY into isolate and
> power-dowm mode. Unfortunately, the mode cannot be disabled by a
> register. Usually, the input pin has a pull-up and connected to a GPIO
> which can then be used to disable the mode. Try to get the GPIO and
> deassert it.

Poor choice of word, how about deep sleep, dormant, super isolate?
-- 
Florian