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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Stefan Roese <sr@denx.de>
Cc: netdev@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] ibm_newemac: Add support for 460EX/GT-type MAL rx-channel handling
Date: Fri, 04 Apr 2008 00:10:20 +1100	[thread overview]
Message-ID: <1207228220.10388.323.camel@pasglop> (raw)
In-Reply-To: <200804031435.39999.sr@denx.de>


On Thu, 2008-04-03 at 14:35 +0200, Stefan Roese wrote:
> On Thursday 03 April 2008, Benjamin Herrenschmidt wrote:
> > On Thu, 2008-04-03 at 13:45 +0200, Stefan Roese wrote:
> > > On some 4xx PPC's (e.g. 460EX/GT), the rx channel number is a multiple
> > > of 8 (e.g. 8 for EMAC1, 16 for EMAC2), but enabling in MAL_RXCASR needs
> > > the divided by 8 value for the bitmask.
> >
> > Sounds ok, but I wonder if we ever have a MAL with more than 8 chans, do
> > we need to make this shift conditional to some device tree prop ?
> 
> I suggest we postpone such a conditional setup until we see such a MAL. OK?

Agreed. I got a bit carried away..

Ben.

      reply	other threads:[~2008-04-03 13:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-03 11:45 [PATCH] ibm_newemac: Add support for 460EX/GT-type MAL rx-channel handling Stefan Roese
2008-04-03 12:29 ` Benjamin Herrenschmidt
2008-04-03 12:35   ` Stefan Roese
2008-04-03 13:10     ` Benjamin Herrenschmidt [this message]

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