[PATCH v3 1/2] nvme: Look for StorageD3Enable on companion ACPI device instead

David E. Box david.e.box at linux.intel.com
Tue Jun 1 12:12:26 PDT 2021


On Mon, 2021-05-31 at 08:46 +0200, Christoph Hellwig wrote:
> On Fri, May 28, 2021 at 11:02:34AM -0500, Mario Limonciello wrote:
> > The documentation around the StorageD3Enable property hints that it
> > should be made on the PCI device.  This is where newer AMD systems
> > set
> > the property and it's required for S0i3 support.
> > 
> > So rather than look for nodes of the root port only present on
> > Intel
> > systems, switch to the companion ACPI device for all systems.
> > David Box from Intel indicated this should work on Intel as well.
> 
> I think we need to wait for the confirmation from David.

I've tested one configuration remotely already and it works. I've got
one more to test. I'll know by tomorrow.

David





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