netdev - Re: [PATCH net-next] net: dsa: mv88e6xxx: fix freeing unused SERDES IRQ

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Message-ID: <20190829170832.GA12909@lunn.ch>
Date:   Thu, 29 Aug 2019 19:08:32 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vivien Didelot <vivien.didelot@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        Marek Behún <marek.behun@....cz>,
        f.fainelli@...il.com
Subject: Re: [PATCH net-next] net: dsa: mv88e6xxx: fix freeing unused SERDES
 IRQ

On Wed, Aug 28, 2019 at 02:55:11PM -0400, Vivien Didelot wrote:
> Now mv88e6xxx does not enable its ports at setup itself and let
> the DSA core handle this, unused ports are disabled without being
> powered on first. While that is expected, the SERDES powering code
> was assuming that a port was already set up before powering it down,
> resulting in freeing an unused IRQ. The patch fixes this assumption.
> 
> Fixes: b759f528ca3d ("net: dsa: mv88e6xxx: enable SERDES after setup")
> Signed-off-by: Vivien Didelot <vivien.didelot@...il.com>

Tested-by: Andrew Lunn <andrew@...n.ch>

    Andrew