linux-kernel - Re: [net-next 2/5] net: mdio: of: use fwnode_mdiobus

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Message-ID: <Yj4KzQPeVUxZEn0k@lunn.ch>
Date:   Fri, 25 Mar 2022 19:32:45 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Clément Léger <clement.leger@...tlin.com>
Cc:     Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Allan Nielsen <allan.nielsen@...rochip.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [net-next 2/5] net: mdio: of: use fwnode_mdiobus_* functions

On Fri, Mar 25, 2022 at 06:22:31PM +0100, Clément Léger wrote:
> Now that fwnode support has been added and implements the same behavior
> expected by device-tree parsing

The problem is, we cannot actually see that. There is no side by side
comparison which makes it clear it has the same behaviour.

Please see if something like this will work:

1/4: copy drivers/net/mdio/of_mdio.c to drivers/net/mdio/fwnode_mdio.c
2/4: Delete from fwnode_mdio.c the bits you don't need, like the whitelist
3/4: modify what is left of fwnode_mdio.c to actually use fwnode.
4/4: Rework of_mdio.c to use the code in fwnode_mdio.c

The 3/4 should make it clear it has the same behaviour, because we can
see what you have actually changed.

FYI: net-next is closed at the moment, so you need to post RFC
patches.

    Andrew