netdev - Re: [PATCH 2/2] [POWERPC] UCC nodes cleanup

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Date:	Fri, 11 Apr 2008 21:31:00 +0400
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Timur Tabi <timur@...escale.com>
Cc:	linuxppc-dev@...abs.org, Jeff Garzik <jgarzik@...ox.com>,
	linux-serial@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] [POWERPC] UCC nodes cleanup

On Fri, Apr 11, 2008 at 09:21:06PM +0400, Anton Vorontsov wrote:
> On Fri, Apr 11, 2008 at 12:12:30PM -0500, Timur Tabi wrote:
> > Anton Vorontsov wrote:
> > 
> > > Or maybe I'm thinking here in terms of "fsl,ucc"... and cell-index is
> > > indeed should be -1... don't know. Please decide. ;-)
> > 
> > Well, that's what I was thinking.  cell-index is zero-based, so UCC1 should have
> > cell-index = <0>.
> > 
> > Of course, this means all the code needs to change, since I think device-id is
> > one-based.
> 
> Yup. You raised a really good question, because we're _introducing_
> cell-index for UCC nodes, and if we'll choice wrong numbering scheme
> now, then there will be no way back w/o breaking backward compatibility.

Hm... thinking about it more, we're introducing implementation for the
cell-index, but device tree was "infected" already.

So, too late. :-D

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
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