[coreboot] patch: more path support

Stefan Reinauer stepan at coresystems.de
Thu Feb 14 22:20:42 CET 2008

Segher Boessenkool wrote:
>> @ in this case seperates the type of resources (pci) from the instance
>> of it (device, function).
>> So @ is a seperator. Using _ will add ambiguity as it is NOT a
>> seperator. same problem for -.
>> Stepan, will the OFW guys kill us if we allow ':' as well as @.
We are of course free to go away from the ePAPR flat device tree (we did 
already to some extent).

Though I wonder whether we should really do this though for something as 
cosmetic as the address seperator.
@ is "at", naturally describing a path or an address where something can 
be found. I am biased, I used this way of writing paths for 10 years.

> If you want to stay close to original OF with your use of the device 
> tree
> (I think you should, but it's entirely up to you), I can push for 
> creating
> a new revision of the flat tree format that will include a decent 
> solution
> to this problem once and for all.
I agree with Segher we should stay close to the "original". That's why 
we used dtc for our device tree creation to begin with. It has a 
recognition effect, making it easier for others to join in.
Also, at some point we're not writing the DTS manually anymore anyways, 
so it doesn't really matter ;-))


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