Re: Recommended notation for OPP to avoid DTC warnings

From: Viresh Kumar
Date: Mon Feb 27 2017 - 06:22:54 EST


On 27-02-17, 10:44, Mark Rutland wrote:
> On Sun, Feb 26, 2017 at 02:18:03PM +0900, Masahiro Yamada wrote:
> > Hi.
> >
> >
> > Decumentation/devicetree/bindings/opp/opp.txt
> > takes examples like this:
> >
> > opp@1000000000 {
> > opp-hz = /bits/ 64 <1000000000>;
> > opp-microvolt = <970000 975000 985000>;
> > opp-microamp = <70000>;
> > clock-latency-ns = <300000>;
> > opp-suspend;
> > };
>
> > If we follow this notation and the device-tree is built with W=1,
> > DTC warns like follows:
> >
> > Warning (unit_address_vs_reg): Node /opp_table0/opp@1000000000 has a
> > unit name, but no reg property
> >
> > Is there a recommended notation to avoid it?
> >
> > Maybe, simply omit the "@" ?
>
> I think just s/@/-/ should be fine, e.g. call the above opp-1000000000.

That's fine with me. I can send a patch to fix all existing users if we all
agree for it.

--
viresh