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Date:   Wed, 1 Apr 2020 18:31:22 -0500
From:   Bjorn Helgaas <helgaas@kernel.org>
To:     =?iso-8859-1?Q?Lu=EDs?= Mendes <luis.p.mendes@gmail.com>
Cc:     Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>,
        Linux PCI <linux-pci@vger.kernel.org>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        Jason Cooper <jason@lakedaemon.net>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: Problem with PCIe enumeration of Google/Coral TPU Edge module on
 Linux
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On Wed, Apr 01, 2020 at 10:20:42PM +0100, Luís Mendes wrote:
> Hi Bjorn,
> 
> Here is the dmesg output with the new kernel patch:
> https://paste.ubuntu.com/p/7cv7ZcyrnG/

Thanks.  What happens if you do this:

  # echo 1 > sys/devices/pci0000:00/0000:00:01.0/pci_bus/0000:01/rescan

(I think on v5.6 that file is "bus_rescan" instead of "rescan".
There's a patch queued up to change it.)