[PATCH v3 10/12] ARM: mvebu: Relocate Armada 370/XP DeviceBus device tree nodes
Ezequiel Garcia
ezequiel.garcia at free-electrons.com
Wed Jun 19 08:14:37 EST 2013
On Tue, Jun 18, 2013 at 07:09:29PM -0300, Ezequiel Garcia wrote:
> On Tue, Jun 18, 2013 at 06:16:26PM +0200, Arnd Bergmann wrote:
> > On Tuesday 18 June 2013, Ezequiel Garcia wrote:
> > >
> > > + devbus-bootcs {
> > > + compatible = "marvell,mvebu-devbus";
> > > + reg = <0xffff0001 0x10400 0x8>;
> > > + ranges = <0 MBUS_ID(0x01, 0x2f) 0 0xffffffff>;
> > > + #address-cells = <1>;
> > > + #size-cells = <1>;
> > > + clocks = <&coreclk 0>;
> > > + status = "disabled";
> > > + };
> >
> > This is a violation of the binding as far as I can tell, since you don't specify ranges
> > to access the 0xffff0001 0x10400 address. However, as I explained in my comment for
> > the binding, I think you should clarify the binding and leave the implementation
> > as you have it here.
> >
>
> Mmm... again I got lost here. Which 'ranges' you say I don't specify to
> access the (formerly) 0xffff0001?
>
Oh, maybe you meant I'm not specifying an mbus-node ranges translation
in this same patch in this .dtsi file I'm modifying?
In that case, that's on purpose to avoid the nightmare involved in
mixing 'ranges' in per-board .dts files together with the ranges
declared in each included .dtsi.
By having only one mbus-node ranges property, per-board, it gets a bit
simpler.
--
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
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