netdev - Re: net: phylink: dsa: mv88e6xxx: flaky link detection on switch ports with internal PHYs

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Message-ID: <9f885072-d47d-ce1f-379b-619456f6ed08@bell.net>
Date:   Fri, 25 Jan 2019 13:38:01 -0500
From:   John David Anglin <dave.anglin@...l.net>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
Subject: Re: net: phylink: dsa: mv88e6xxx: flaky link detection on switch
 ports with internal PHYs

On 2019-01-25 11:48 a.m., Russell King - ARM Linux admin wrote:
> If you don't have any means to reset the card like that, then the only
> workaround is to reduce the maximum speed - and avoid going to 1.8V
> signalling mode.
There is no power controller on espressobin.  The regulator only
switches the I/O voltage.

The attached change fixed reboot on espressobin with problematic SD card.

Thanks,
Dave

-- 
John David Anglin  dave.anglin@...l.net


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