Re: [PATCH 2/2] PCI/NPEM: Add Native PCIe Enclosure Management support

[Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>]

On Mon, 11 Mar 2024 17:30:06 -0500
Stuart Hayes <stuart.w.hayes@gmail.com> wrote:

> > > No, Linux doesn't support _DSM. It was proposed in previous
> > > iterations by Stuart but I dropped it. We decided that it need to be
> > > strongly rebuild because "pci/pcie" is not right place for ACPI code
> > > so we cannot register _DSM driver instead of NPEM as it was proposed
> > > and I don't have _DSM capable hardware to test it.  
> >  
> 
> I'm not sure I understand why pci/pcie isn't the right place for ACPI code--
> there are other _DSMs used in PCI code already, and this _DSM is defined
> in a PCI ECN.

I looked into internal review history and I found out that I dropped it after
discussion with Dan Williams:

> After review and discussion with Dan _DSM extension is dropped.

Unfortunately, I don't remember what exactly he suggested, I just remembered
conclusion that it needs to be reworked and I decided to drop it.
Maybe, I didn't understand him correctly.

Dan, could you take a look? Do you remember something?

Thanks,
Mariusz