netdev - Re: [PATCH v6 0/3] netdev/of/phy: MDIO bus multiplexer support.

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Date:	Thu, 24 May 2012 12:19:53 -0700
From:	David Daney <ddaney.cavm@...il.com>
To:	Timur Tabi <b04825@...escale.com>
CC:	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH v6 0/3] netdev/of/phy: MDIO bus multiplexer support.

On 05/24/2012 12:03 PM, Timur Tabi wrote:
> David Daney wrote:
>
>> Well, the MDIO bus must have an associated device tree node.
>>
>> For my OCTEON code, the MDIO bus device is created as a result of the
>> call to of_platform_bus_probe(), which takes care of filling in all the
>> device tree nodes of the devices it finds and creates.
>
> Ok, let me give you some background.  We actually already have MDIO muxing
> code in-house, but it's different from yours.  So now I'm rewriting it to
> use your design instead.
>
> So our current code looks for "virtual MDIO nodes", and we call
> mdiobus_alloc() and then of_mdiobus_register().  I think this is what I'm
> missing now.
>
> I just don't know what to do next.

You will have to debug it and find out why the device match is failing, 
then fix it.

David Daney
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