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Date:	Thu, 1 Nov 2007 16:07:09 -0500
From:	Josh Boyer <jwboyer@...ux.vnet.ibm.com>
To:	benh@...nel.crashing.org
Cc:	Stefan Roese <sr@...x.de>, netdev@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: [PATCH] net: Add 405EX support to new EMAC driver

On Fri, 02 Nov 2007 07:37:01 +1100
Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote:

> 
> On Thu, 2007-11-01 at 15:54 +0100, Stefan Roese wrote:
> > This patch adds support for the 405EX to the new EMAC driver.
> > 
> > Tested on AMCC Kilauea.
> 
>  .../...
> 
> > diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c
> > index de41695..e393f68 100644
> > --- a/drivers/net/ibm_newemac/rgmii.c
> > +++ b/drivers/net/ibm_newemac/rgmii.c
> > @@ -140,9 +140,6 @@ void rgmii_get_mdio(struct of_device *ofdev, int input)
> >  
> >  	RGMII_DBG2(dev, "get_mdio(%d)" NL, input);
> >  
> > -	if (dev->type != RGMII_AXON)
> > -		return;
> > -
> >  	mutex_lock(&dev->lock);
> 
> That will break 440GX boards that need to use the RGMII for data and the
> ZMII for MDIO.
> 
> You may want to change the name RGMII_AXON something like RGMII_HAS_MDIO
> instead and set that for 405EX as well instead.

And perhaps adding a comment about that since the meaning of that code
isn't very obvious. That way people that aren't the original author
of the driver don't get confused again.

josh
-
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