Re: [PATCH v3 1/1] PCI/ERR: Fix reset logic in pcie_do_recovery() call

[Sinan Kaya]

On 9/25/2020 2:16 PM, Kuppuswamy, Sathyanarayanan wrote:
>> One approach is to share the restore code between hotplug driver and
>> DPC driver.
>>
>> If this is a too involved change, DPC driver should restore state
>> when hotplug is not supported.
> Yes. we can add a condition for hotplug capability check.

Now that I think about this more...

This won't work. Link is brought down automatically by the DPC hardware.
Therefore, all software state is lost. Restore won't help here.

The only solution I can see is to force driver disconnect and rescan.