linux-kernel - Re: [PATCH v7 10/10] of: mdio: Prevent of_mdiobus

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Message-ID: <20171024184654.ggfrsrjd3nobku5n@rob-hp-laptop>
Date:   Tue, 24 Oct 2017 13:46:54 -0500
From:   Rob Herring <robh@...nel.org>
To:     Corentin Labbe <clabbe.montjoie@...il.com>
Cc:     mark.rutland@....com, maxime.ripard@...e-electrons.com,
        wens@...e.org, linux@...linux.org.uk, catalin.marinas@....com,
        will.deacon@....com, peppe.cavallaro@...com,
        alexandre.torgue@...com, andrew@...n.ch, f.fainelli@...il.com,
        frowand.list@...il.com, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v7 10/10] of: mdio: Prevent of_mdiobus_register from
 scanning mdio-mux nodes

On Wed, Oct 18, 2017 at 01:44:58PM +0200, Corentin Labbe wrote:
> Each child node of an MDIO node is scanned as a PHY when calling
> of_mdiobus_register() givint the following result:
> [   18.175379] mdio_bus stmmac-0: /soc/ethernet@...0000/mdio/mdio-mux has invalid PHY address
> [   18.175408] mdio_bus stmmac-0: scan phy mdio-mux at address 0
> [   18.175450] mdio_bus stmmac-0: scan phy mdio-mux at address 1
> [...]
> [   18.176420] mdio_bus stmmac-0: scan phy mdio-mux at address 30
> [   18.176452] mdio_bus stmmac-0: scan phy mdio-mux at address 31
> 
> Since mdio-mux nodes are not PHY, this patch a way to to not scan
> them.

This can be dropped now, right?
> 
> Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
> ---
>  drivers/of/of_mdio.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)