On Tue, Oct 30, 2018 at 9:20 AM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > > Michael Ellerman <mpe@xxxxxxxxxxxxxx> writes: > > Hi Rob, > > > > Sorry I missed this when you posted it. > > > > Rob Herring <robh@xxxxxxxxxx> writes: > >> Iterating thru cpu nodes is a common pattern. Create a common iterator > >> which can find child nodes either by node name or device_type == cpu. > >> Using the former will allow for eventually dropping device_type > >> properties which are deprecated for FDT. > > > > Device trees we see on powerpc generally don't (never?) use "cpu" as the > > node name for CPU nodes. And many of those device trees come from > > firmware, so we can't update them. > > > > So dropping support for device_type is a non-starter from our POV. > > ps. presumably that's what you meant by deprecated *for FDT*. Right. > But anyway just wanted to make sure we are on the same page. Yes, I was aware at least older powerpc DTs don't use 'cpu' for node names. Rob