netdev - Re: [PATCH net-next] dsa: slave: support phy devices on external MII bus

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Message-ID: <02997de6-1c8a-d69b-d19b-3a811288e8ed@prevas.dk>
Date:   Mon, 16 Oct 2017 15:16:51 +0200
From:   Martin Hundebøll <mnhu@...vas.dk>
To:     Andrew Lunn <andrew@...n.ch>
CC:     "David S . Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net-next] dsa: slave: support phy devices on external MII
 bus

On 2017-10-16 14:32, Andrew Lunn wrote:
> So this used to work. I have a 10G phy connected to the external MII
> bus on a 6390. I wonder when this got broken? Supporting phy-handle is
> old code, so when i added the external MII i don't think i needed to
> change any generic code.

It could look like commit cd28a1a9baee7 ('net: dsa: fully divert PHY 
reads/writes if requested') changed the of-case to use the mdio bus 
associated with struct dsa_switch unconditionally.

// Martin