linux-kernel - Re: [PATCH v6 1/3] netdev/of/phy: New function: of_mdio_find

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Message-Id: <20120507.225842.692131427998127266.davem@davemloft.net>
Date:	Mon, 07 May 2012 22:58:42 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	ddaney.cavm@...il.com
Cc:	ralf@...ux-mips.org, grant.likely@...retlab.ca,
	rob.herring@...xeda.com, devicetree-discuss@...ts.ozlabs.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org, afleming@...il.com,
	galak@...nel.crashing.org, david.daney@...ium.com
Subject: Re: [PATCH v6 1/3] netdev/of/phy: New function: of_mdio_find_bus().

From: David Daney <ddaney.cavm@...il.com>
Date: Wed,  2 May 2012 18:16:37 -0700

> From: David Daney <david.daney@...ium.com>
> 
> Add of_mdio_find_bus() which allows an mii_bus to be located given its
> associated the device tree node.
> 
> This is needed by the follow-on patch to add a driver for MDIO bus
> multiplexers.
> 
> The of_mdiobus_register() function is modified so that the device tree
> node is recorded in the mii_bus.  Then we can find it again by
> iterating over all mdio_bus_class devices.
> 
> Because the OF device tree has now become an integral part of the
> kernel, this can live in mdio_bus.c (which contains the needed
> mdio_bus_class structure) instead of of_mdio.c.
> 
> Signed-off-by: David Daney <david.daney@...ium.com>

Applied.
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