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Date:   Fri, 19 Jun 2020 15:42:18 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Kurt Kanzenbach <kurt@linutronix.de>
Cc:     Vivien Didelot <vivien.didelot@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>, netdev@vger.kernel.org,
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        Richard Cochran <richardcochran@gmail.com>,
        Kamil Alkhouri <kamil.alkhouri@hs-offenburg.de>,
        ilias.apalodimas@linaro.org
Subject: Re: [RFC PATCH 6/9] net: dsa: hellcreek: Add debugging mechanisms
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> > Are trace registers counters?
> 
> No. The trace registers provide bits for error conditions and if packets
> have been dropped e.g. because of full queues or FCS errors, and so on.

Is there some documentation somewhere? A better understanding of what
they can do might help figure out the correct API.

     Andrew