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Date:   Sat, 1 May 2021 10:38:16 +0200
From:   Lukas Wunner <lukas@wunner.de>
To:     Bjorn Helgaas <helgaas@kernel.org>
Cc:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Ethan Zhao <haifeng.zhao@intel.com>,
        Sinan Kaya <okaya@kernel.org>, Ashok Raj <ashok.raj@intel.com>,
        Keith Busch <kbusch@kernel.org>,
        Yicong Yang <yangyicong@hisilicon.com>,
        linux-pci@vger.kernel.org, Russell Currey <ruscur@russell.cc>,
        Oliver OHalloran <oohall@gmail.com>,
        Stuart Hayes <stuart.w.hayes@gmail.com>,
        Mika Westerberg <mika.westerberg@linux.intel.com>
Subject: Re: [PATCH v2] PCI: pciehp: Ignore Link Down/Up caused by DPC
Message-ID: <20210501083816.GA29239@wunner.de>
References: <0be565d97438fe2a6d57354b3aa4e8626952a00b.1619857124.git.lukas@wunner.de>
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On Sat, May 01, 2021 at 10:29:00AM +0200, Lukas Wunner wrote:
> Downstream Port Containment (PCIe Base Spec, sec. 6.2.10) disables the
> link upon an error and attempts to re-enable it when instructed by the
> DPC driver.
[...]

Sorry, forgot to include the changelog v1 -> v2:

* Raise timeout for DPC completion from 3 sec to 4 sec (Yicong Yang)

* Amend commit message to clarify that the timeout is not taken from
  the spec but rather based on reports (Yicong Yang, Ethan Zhao)