Re: [PATCH v1 0/2] platform/x86/intel-uncore-freq: Expose instance ID in the sysfs

[srinivas pandruvada]

On Fri, 2026-03-27 at 21:03 +0000, Maciej Wieczor-Retman wrote:
> On 2026-03-27 at 19:51:54 +0200, Artem Bityutskiy wrote:
> > On Fri, 2026-03-27 at 15:36 +0000, Maciej Wieczor-Retman wrote:
> > > on newer systems that can have multiple clusters on a single die,
> > > the
> > > intel-uncore-freq driver behaves differently and the domain_id is
> > > a
> > > globally unique value - unique on all TPMI devices. Therefore
> > > it's
> > > difficult to match a specific instance to a set of UFS registers
> > > for
> > > example visible through /sys/kernel/debug/tpmi directories.
> > 
> > Although, I'd say that the key point isn't that "domain_id is
> > globally
> > unique" (though this is true), but that it's a synthetic value
> > generated by the driver rather than representing an actual HW
> > instance
> > ID.
> > 
> > Artem.
> 
> Right, that's worth emphasizing. I'll try to rephrase it when
> updating the
> patches.

I think the purpose is not clear. Also need to update the
documentation.
Let me write one tomorrow.

Thanks,
Srinivas