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From: Andrew Lunn <andrew@lunn.ch>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jose Antonio Delgado Alfonso <jose.delgado@aoifes.com>,
	netdev@vger.kernel.org,
	Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Subject: Re: [ISSUE: mv88e6xxx]: Down/Up link and not forwarding
Date: Tue, 4 Oct 2016 22:28:22 +0200	[thread overview]
Message-ID: <20161004202822.GC22841@lunn.ch> (raw)
In-Reply-To: <19A0FE92-E4DB-49EB-AF4C-30A73DFED7E9@gmail.com>

> >The main difference is GLOBAL2 5th register. When the unit is just
> >initialized, the driver sets this register to 00ff, however, when
> >the issue happens, its value is c12f.

You might want to hack the MDIO driver and get it to trap writes to
this register and give you a call stack.

     Andrew

  reply	other threads:[~2016-10-04 20:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8e5e36d7-7618-2a4e-6aba-e65e41662d47@aoifes.com>
2016-10-04 15:37 ` [ISSUE: mv88e6xxx]: Down/Up link and not forwarding Jose Antonio Delgado Alfonso
2016-10-04 18:58   ` Florian Fainelli
2016-10-04 20:28     ` Andrew Lunn [this message]
2016-10-04 15:13 Jose Antonio Delgado Alfonso

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