linux-kernel - Re: [PATCH] net: stmmac: Handle possible fixed-link with need_mdio

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Message-ID: <20170825162827.GA4207@lunn.ch>
Date:   Fri, 25 Aug 2017 18:28:27 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Corentin Labbe <clabbe.montjoie@...il.com>
Cc:     peppe.cavallaro@...com, alexandre.torgue@...com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: stmmac: Handle possible fixed-link with
 need_mdio_ids

On Fri, Aug 25, 2017 at 04:42:08PM +0200, Corentin Labbe wrote:
> In case of fixed link, there are no mdio node.
> This patch add a test for fixed-link for bypassing MDIO node register.

The two are not mutually exclusive. E.g.
vf610-zii-dev.dtsi/vf610-zii-dev-rev-b.dts.  It has a fixed-link on
the FEC ethernet controller, and an Ethernet switch on the MDIO bus.

If anybody ever wants to use a switch with the stmmac, this will be
required.

	Andrew