linux-kernel - Re: [PATCH v6 1/3] PCI: Add Precision Time Measurement (PTM) support

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Date:   Tue, 23 Aug 2016 08:13:43 +0800
From:   "Yong, Jonathan" <jonathan.yong@...el.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
CC:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        intel-wired-lan@...ts.osuosl.org,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 1/3] PCI: Add Precision Time Measurement (PTM) support

On 08/23/2016 01:01, Bjorn Helgaas wrote:
> On Tue, Aug 16, 2016 at 08:37:15AM -0500, Bjorn Helgaas wrote:
>> On Tue, Aug 16, 2016 at 04:04:31PM +0800, Yong, Jonathan wrote:
>>> On 08/16/2016 02:59, Bjorn Helgaas wrote:
>>>>
>>>> I guess I was hoping you could test these patches.  Do you have any
>>>> way to do that?
>>>>
>>>
>>> No real hardware with this feature yet, so testing is entirely on software.
>>
>> OK, let me know the results of your software testing with these patches.
> 
> Do you have some software testing you can do on these patches?
> 

Yes, they're entirely synthetic however and do not reflect real hardware.

At the moment, they're hooks to pci_scan_bus and providing a fake config
space for the driver to manipulate, inspected with lspci.

The PTM bits are set properly as far as I can tell.