linux-kernel - Re: [PATCH] net: mdio: fix duplicate registrations for phy with c45 in __of_mdiobus

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Message-ID: <b4d6eb7c-513a-4767-aedc-8d1b6ffd831f@lunn.ch>
Date:   Sat, 10 Jun 2023 19:10:43 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Jianhui Zhao <zhaojh329@...il.com>
Cc:     hkallweit1@...il.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: mdio: fix duplicate registrations for phy with c45
 in __of_mdiobus_register()

On Sun, Jun 11, 2023 at 12:13:08AM +0800, Jianhui Zhao wrote:
> Maybe mdiobus_scan_bus_c45() is called in __mdiobus_register().
> Thus it should skip already registered PHYs later.

Please could you expand on your commit message. I don't see what is
going wrong here. What does your device tree look like? Do you have a
PHY which responds to both C22 and C45?

Thanks
	Andrew