From: Bjorn Helgaas <helgaas@kernel.org>
To: "Yong, Jonathan" <jonathan.yong@intel.com>
Cc: linux-pci@vger.kernel.org, bhelgaas@google.com
Subject: Re: [PATCH] PCI: PTM preliminary implementation
Date: Sat, 7 May 2016 21:38:21 -0500 [thread overview]
Message-ID: <20160508023821.GA13531@localhost> (raw)
In-Reply-To: <1461047358-4736-2-git-send-email-jonathan.yong@intel.com>
On Tue, Apr 19, 2016 at 06:29:18AM +0000, Yong, Jonathan wrote:
> Simplified Precision Time Measurement driver, activates PTM feature
> if a PCIe PTM requester (as per PCI Express 3.1 Base Specification
> section 7.32)is found, but not before checking if the rest of the
> PCI hierarchy can support it.
>
> The driver does not take part in facilitating PTM conversations,
> neither does it provide any useful services, it is only responsible
> for setting up the required configuration space bits.
>
> As of writing, there aren't any PTM capable devices on the market
> yet, but it is supported by the Intel Apollo Lake platform.
Can you also add lspci support for the PTM capability? That will help
debugging.
Bjorn
next prev parent reply other threads:[~2016-05-08 2:38 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-19 6:29 [RFC v4] PCI: PTM Driver Yong, Jonathan
2016-04-19 6:29 ` [PATCH] PCI: PTM preliminary implementation Yong, Jonathan
2016-04-29 16:20 ` Bjorn Helgaas
2016-04-30 12:19 ` Bjorn Helgaas
2016-05-10 3:52 ` Yong, Jonathan
2016-05-08 2:38 ` Bjorn Helgaas [this message]
2016-05-09 3:11 ` Yong, Jonathan
2016-05-09 13:35 ` Bjorn Helgaas
2016-04-27 23:18 ` [RFC v4] PCI: PTM Driver Yong, Jonathan
2016-04-29 14:17 ` Bjorn Helgaas
2016-05-03 9:02 ` Yong, Jonathan
2016-05-03 14:55 ` Bjorn Helgaas
-- strict thread matches above, loose matches on Subject: below --
2016-04-19 6:24 Yong, Jonathan
2016-04-19 6:24 ` [PATCH] PCI: PTM preliminary implementation Yong, Jonathan
2016-03-23 4:04 [RFC v3] PCI: PTM Driver Yong, Jonathan
2016-03-23 4:04 ` [PATCH] PCI: PTM preliminary implementation Yong, Jonathan
2016-04-12 4:23 ` Bjorn Helgaas
2016-04-12 4:48 ` Bjorn Helgaas
2016-03-23 2:47 [RFC v2] PCI: PTM Driver Yong, Jonathan
2016-03-23 2:47 ` [PATCH] PCI: PTM preliminary implementation Yong, Jonathan
2016-03-23 3:11 ` kbuild test robot
2016-03-23 3:57 ` kbuild test robot
2016-03-11 7:26 [RFC] PCI: PTM Driver Yong, Jonathan
2016-03-11 7:26 ` [PATCH] PCI: PTM preliminary implementation Yong, Jonathan
2016-03-11 15:53 ` Bjorn Helgaas
2016-03-14 7:44 ` Yong, Jonathan
2016-03-14 15:42 ` Bjorn Helgaas
2016-03-15 8:27 ` Yong, Jonathan
2016-03-15 13:36 ` Bjorn Helgaas
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