Recommended notation for OPP to avoid DTC warnings

Viresh Kumar viresh.kumar at linaro.org
Mon Feb 27 02:55:33 PST 2017


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 at 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 at 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



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