Re: [PATCH V3 3/4] pmdomain: core: Fix debugfs node creation failure

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On Mon, 7 Oct 2024 at 19:33, Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On Mon, Oct 07, 2024 at 11:36:41AM GMT, Sibi Sankar wrote:
> > The domain attributes returned by the perf protocol can end up
> > reporting identical names across domains, resulting in debugfs
> > node creation failure. Fix this failure by ensuring that pm domains
> > get a unique name using ida in pm_genpd_init.

Thanks for working on this!

>
> Can we make this opt-in or opt-out? Seeing numeric suffixes next to
> well-known power domain names (e.g. those comin from RPMh or the CPU
> domains) is a bit strange. Or maybe you can limit the IDA suffix just to
> the SCMI / perf domains?

I was also thinking something along the lines of this.

Another thing on top of what Dmitry suggests, could be to iterate
through the &gpd_list and compare the existing genpd->names with the
one that we are adding in pm_genpd_init(). In this way, we don't need
to add the IDA to more than those that really need it.

What do you think?

[...]

Kind regards
Uffe




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