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Subject: Re: [patch 29/30] PS3: Device tree source.
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Geoff Levand <geoffrey.levand@am.sony.com>
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On Wed, 2007-06-13 at 10:35 -0700, Geoff Levand wrote:
> 
> I specifically changed this because this kernel is
> NOT compatible with the device tree of the legacy
> kernel (2.6.16) that used PS3PF.
> 
> If this was set as PS3PF, then there would be no
> way to tell that an incompatible DT has been passed.

No way ? heh, there are ways, you can test for a version property for
example that you add in the new one, or you can use an additional
compatible entry (compatible is a list of strings).

Ben.