Subject: Re: [PATCH 2/6] PowerPC 440EPx: Sequoia DTS

From: Benjamin Herrenschmidt <[email-masked]>
Date: Tue, 07 Aug 2007 08:15:23 +1000

On Mon, 2007-08-06 at 22:37 +0400, Sergei Shtylyov wrote:
> 
>     Actually, checking for the presence of all possible perverted
> mapping 
> props doesn't seem a good idea -- it's simpler to check for the
> presence of 
> one prop (like "direct-mapped" I was thinking about, or maybe
> "simple-map").

Or more simply... if it's not a direct mapping, it doesn't have a ranges
property and can't be walked down by conventional means.

Ben.