Re: [XenPPC] device discovery for dart, open pic, uart etc

[Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>]

> In addition Jimi and I have a bit of disagreement over the location  
> of the property #size-cells.  Jimi believes that the absence of  
> this property should indicate that one is to look further up the  
> tree, whereas I think that the absence of this property should  
> indicate that it reverts to its default value of 1.
You are right here; #size-cells defaults to 1 if the property is  
absent from
your parent node.  Similar for #address-cells, but that defaults to 2.

>     There is additional complication that for the property 'reg'  
> the #size-cells of interest is one slot up the tree and for the  
> property 'ranges' it is not.
And for "ranges", it defaults to 1 if the property is absent from  
_this_ node.

Segher


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