netdev - Re: [1/2] net: macb: Add phy-handle DT support

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Message-ID: <20180308220045.GA57508@artie.amer.corp.natinst.com>
Date:   Thu, 8 Mar 2018 16:00:45 -0600
From:   Brad Mouring <brad.mouring@...com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Rob Herring <robh+dt@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Michael Grzeschik <m.grzeschik@...gutronix.de>,
        Mark Rutland <mark.rutland@....com>, <netdev@...r.kernel.org>,
        Julia Cartwright <julia@...com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [1/2] net: macb: Add phy-handle DT support

On Thu, Mar 08, 2018 at 06:32:47PM +0100, Andrew Lunn wrote:
> On Wed, Mar 07, 2018 at 04:42:56PM -0600, Brad Mouring wrote:
> > This optional binding (as described in the ethernet DT bindings doc)
> > directs the netdev to the phydev to use. This is useful for a phy
> > chip that has >1 phy in it, and two netdevs are using the same phy
> > chip (i.e. the second mac's phy lives on the first mac's MDIO bus)
> > ...
> Hi Brad
> 
> I think it is more logical to do this in macb_mii_probe().
> 
> I would probably also move the fixed_link code from macb_mii_init() to
> macb_mii_probe(). I would probably also move the fallback to standard
> phy registration. Make macb_mii_init() about registering the MDIO bus,
> and macb_mii_probe() about probing the MDIO bus to find the PHY to
> use. At the moment, it is all rather mixed up.
> 
>      Andrew

Hi Andrew

That makes sense, I'll rework and resend. Thanks for the suggestion.

Brad