Re: [PATCH v2 2/5] nvme: rename "pci" operations to "mmio"

From: Christoph Hellwig
Date: Fri Jun 28 2019 - 03:23:20 EST

On Tue, Jun 25, 2019 at 11:51:28AM +0800, Daniel Drake wrote:
> Bearing in mind that we've already been told that the NVMe device
> config space is inaccessible, and the new docs show exactly how the
> BIOS enforces such inaccessibility during early boot, the remaining
> points you mentioned recently were:

If we can't access the config space we unfortunately can't support
this scheme at all, as it invalidates all our quirks handling.