From: Simon Farnsworth <simon@farnz.org.uk>
To: netdev@vger.kernel.org
Subject: Re: [RFC] net: allow FEC driver to not have attached PHY
Date: Thu, 07 Oct 2010 14:28:08 +0100 [thread overview]
Message-ID: <i8kht9$obm$1@dough.gmane.org> (raw)
In-Reply-To: 201010070350.o973oGFE026910@goober.internal.moreton.com.au
Greg Ungerer wrote:
>
> Hi All,
>
> I have a board with a ColdFire SoC on it with the built-in FEC
> ethernet module. On this hardware the FEC eth output is directly
> attached to a RTL8305 4-port 10/100 switch. There is no conventional
> PHY, the FEC output is direct into the uplink port of the switch
> chip.
>
> This setup doesn't work after the FEC code was switch to using
> phylib. The driver used to have code to bypass phy detection/setup
> for this particular board. The phylib probe finds nothing, and of
> course sets a no-link condition.
>
> So, what is the cleanest way to support this?
>
Is there anything that stops you using the fixed MDIO support in phylib
(CONFIG_FIXED_PHY)? It seems to me to be intended for this sort of
situation.
--
Simon
prev parent reply other threads:[~2010-10-07 13:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-07 3:50 [RFC] net: allow FEC driver to not have attached PHY Greg Ungerer
2010-10-07 13:11 ` Ben Hutchings
2010-10-08 5:58 ` Greg Ungerer
2010-10-07 13:24 ` Florian Fainelli
2010-10-08 5:57 ` Greg Ungerer
2010-10-07 13:28 ` Simon Farnsworth [this message]
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