Re: [PATCH V3 00/10] PCIe TPH and cache direct injection support

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On Mon, Jul 22, 2024 at 09:44:32AM -0500, Wei Huang wrote:
> On 7/20/24 03:08, Lukas Wunner wrote:
> > Paul Luse submitted a patch two years ago to save and restore
> > TPH registers, perhaps you can include it in your patch set?
> 
> Thanks for pointing them out. I skimmed through Paul's patch and it is
> straightforward to integrate.
> 
> Depending on Bjorn's preference, I can either integrate it into my
> patchset with full credits to Paul and Jing, or Paul want to resubmit a
> new version.

The former would likely be better as I'm not sure Paul has the time
to respin the patch.  My recollection is that TPH save/restore support
was dropped as a requirement for the Intel device this was originally
developed for, but it would be a shame to lose the time and effort
that already went into it and I think it might be useful for your
use case as well to support reset recovery.

> I read Bjorn's comments, lots of them have been addressed in my patchset
> (e.g. move under /pci/pcie, support _DSM and dev->tph).

Indeed, good job!

Thanks for taking a look!

Lukas




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