Re: [kvm-unit-tests PATCH 2/2] devicetree: use node #address/size-cells

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On Wed, May 11, 2016 at 09:12:50AM +0200, Thomas Huth wrote:
> On 10.05.2016 19:32, Andrew Jones wrote:
> > Don't assume all pbus (cpu physical bus) translations will use the same
> > number of address and size cells as are defined in the root node.
> 
> That's a good idea, of course.
> 
> > Also,
> > drop the caching of the address/size cells in the bus structure, as that
> > was a bad idea, and unused anyway.
> 
> Maybe do it in a separate patch?

OK

> 
> > (I was tempted to completely remove dt_pbus_translate_node, which still
> >  uses the root node's address/size cells, but I kept it, as it offers a
> >  nice shortcut for when we are sure we can use the root node's cells.)
> 
> Sounds like this function could cause quite a bit of confusion in the
> future... maybe it would be better to remove it so that no one can use
> it in the wrong way anymore?

Agreed, and on 2nd (or is it 3rd) thought, I can keep it, but there's no
good reason to use the root node's cells. It can work just like before
this patch, that is, be the equivalent of dt_pbus_translate, but operate
on the node instead of the device.

Thanks,
drew

> 
>  Thomas
> 
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