Messages in this thread | | | Subject | Re: [PATCH 1/2] OLPC: Add support for calling into Open Firmware | From | David Woodhouse <> | Date | Mon, 21 Apr 2008 19:54:04 +0100 |
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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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