linux-kernel - Re: [PATCH] Open Firmware device tree virtual filesystem

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Date:	Thu, 11 Jan 2007 19:36:22 +0100
From:	Segher Boessenkool <segher@...nel.crashing.org>
To:	"ron minnich" <rminnich@...il.com>
Cc:	"Mitch Bradley" <wmb@...mworks.com>,
	"OLPC Developer's List" <devel@...top.org>,
	"Linux Kernel ML" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Open Firmware device tree virtual filesystem

>> Segher has a modification to the devtree patch that creates a lower
>> level ops vector that can be implemented with callback or 
>> non-callback.
>>
>> It is still being tested.

It currently only hooks up OLPC, and I don't have any of
those [hint hint], so I need external testers.  I'll send
the patch to LKML if it does work.  However, the way it
implements the filesystem will need significant changes,
but we'll discuss that later :-)

> Wonderful! If the non-callback version works out,

We use it on many PowerPC platforms already, it works
just fine.

> then we can greatly
> widen the potential use of the OF device tree for many BIOSes. If that
> works, then we can put the proprietary tables into a small box and
> ignore them :-)

Yup, the DTC-generated tree is just a single binary blob
from the perspective of passing it around.


Segher

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