Re: [PATCH v3 1/3] PCI: pciehp: Add support for disabling in-band presence

Mika Westerberg
2019-10-21T13:38:21Z

On Thu, Oct 17, 2019 at 03:32:54PM -0400, Stuart Hayes wrote:
> From: Alexandru Gagniuc <mr.nuke.me@gmail.com>
>
> The presence detect state (PDS) is normally a logical or of in-band and
> out-of-band presence. As of PCIe 4.0, there is the option to disable
> in-band presence so that the PDS bit always reflects the state of the
> out-of-band presence.
>
> The recommendation of the PCIe spec is to disable in-band presence
> whenever supported.
>
> Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>