Re: [PATCH 1/2] pci: prevent sk hynix nvme from entering D3

From: Christoph Hellwig
Date: Wed Nov 07 2018 - 03:19:19 EST


On Tue, Nov 06, 2018 at 06:11:31PM +0800, AceLan Kao wrote:
> Agree, this is not a good fix for Sk hynix nvme, so Dell is still pushing
> Sk hynix to fix it from firmware.
> But before the firmware is ready, this is still a issue that need to be fixed in
> kernel side, and the new firmware may not be applied on the old nvme
> modules.
> This list won't keep growing, and we'll keep an eye on the new firmware and
> co-work with engineers from Sky hynix to make sure this issue won't happen
> again.

We generally quirk for grave issues that make devices unusable.

To me working around a D3 mode that consumers more power than D0
does not quite fit that bill.