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Date:   Mon, 21 Oct 2019 16:38:14 +0300
From:   Mika Westerberg <mika.westerberg@linux.intel.com>
To:     Stuart Hayes <stuart.w.hayes@gmail.com>
Cc:     Bjorn Helgaas <bhelgaas@google.com>,
        Austin Bolen <austin_bolen@dell.com>, keith.busch@intel.com,
        Alexandru Gagniuc <mr.nuke.me@gmail.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        "Gustavo A . R . Silva" <gustavo@embeddedor.com>,
        Sinan Kaya <okaya@kernel.org>,
        Oza Pawandeep <poza@codeaurora.org>, linux-pci@vger.kernel.org,
        linux-kernel@vger.kernel.org, lukas@wunner.de
Subject: Re: [PATCH v3 1/3] PCI: pciehp: Add support for disabling in-band
 presence
Message-ID: <20191021133814.GJ2819@lahna.fi.intel.com>
References: <20191017193256.3636-1-stuart.w.hayes@gmail.com>
 <20191017193256.3636-2-stuart.w.hayes@gmail.com>
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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>