Re: [PATCH] kbuild: Report enabled nodes with duplicated address

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On Tue, Dec 14, 2021 at 10:11 AM Sam Protsenko
<semen.protsenko@xxxxxxxxxx> wrote:
>
> On Tue, 7 Dec 2021 at 16:03, Sam Protsenko <semen.protsenko@xxxxxxxxxx> wrote:
> >
> > Duplicated unit address is a normal case, as long as no more than one
> > node using that address is enabled. Having duplicated addresses is
> > already allowed by '-Wno-unique_unit_address' in DTC_FLAGS. But two
> > simultaneously enabled nodes sharing the same address is usually
> > incorrect. Add '-Wunique_unit_address_if_enabled' flag to report
> > warnings for such case when doing "make dtbs_check".
> >
> > Signed-off-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
> > Reported-by: Rob Herring <robh@xxxxxxxxxx>
> > Suggested-by: Rob Herring <robh@xxxxxxxxxx>
> > ---
> > NOTE: After applying this patch, a lot of warnings appear on "make
> > dtbs_check". I'm not completely sure if it's ok, so feel free to Nack.
> >
>
> Hi Rob,
>
> Do you think this patch is feasible? You asked me to send it before,
> though I now see it leads to a lot of errors being revealed when doing
> "make dtbs" and "make dtbs_check". Please let me know if it's Ack or
> Nack -- I'm fine with any resolution, just want to know if I should
> continue to carry it in my local branch or drop it.

Sorry, I'd missed this. Anyway, since there are lots of warnings, we
can't apply this.

Rob



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