Re: [PATCH 1/2] OLPC: Add support for calling into Open Firmware

[David Woodhouse]

On Mon, 2008-04-21 at 12:57 -0400, H. Peter Anvin wrote:
> David Woodhouse wrote:
> > 
> >> However, until we clean up the promfs stuff, there's no chance of getting
> >> an OFW device tree upstream.
> > 
> > I see no reason why we shouldn't be able to create a 'flattened'
> > device-tree during early boot, like the PowerPC kernel does. And use it
> > thereafter, having quiesced OpenFirmware. Haven't we already been
> > working on unifying this between SPARC and PowerPC kernels?
> > 
> > I definitely don't think we need to play these tricks to keep
> > OpenFirmware resident while the kernel is running. Take a look at your
> > second patch -- it's _all_ just lookups in the device-tree, and you're
> > inventing a new way to do it instead of using the existing one.
> > 
> 
> If so, would this apply to OLPC as well?

Yes. The 'second patch' to which I refer is the one which makes OLPC
platform code use the calls in OpenFirmware... all of them gratuitous.

-- 
dwmw2

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