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From: Bjorn Helgaas <helgaas@kernel.org>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>,
	Mario.Limonciello@dell.com,
	Michael Jamet <michael.jamet@intel.com>,
	Yehezkel Bernat <YehezkelShB@gmail.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Lukas Wunner <lukas@wunner.de>,
	linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v8 0/7] PCI: Fixes and cleanups for native PCIe, SHPC and ACPI hotplug
Date: Sat, 2 Jun 2018 00:50:50 -0500	[thread overview]
Message-ID: <20180602055050.GC187972@bhelgaas-glaptop.roam.corp.google.com> (raw)
In-Reply-To: <20180528124756.78512-1-mika.westerberg@linux.intel.com>

On Mon, May 28, 2018 at 03:47:49PM +0300, Mika Westerberg wrote:
> When Thunderbolt host router is configured to be in native enumeration mode
> it is only present in the system if there is something connected to the
> ports. This pretty much follows how the BIOS assisted mode works.
> 
> In native enumeration mode the Thunderbolt host controller (NHI) and USB
> host controller (xHCI) are not hot-added using native PCIe hotplug but
> instead they will be hotplugged via BIOS triggered ACPI Notify() to the
> root port. This is done to preserve resources since NHI and xHCI only need
> 1 MB of MMIO space and no additional buses. Currently Linux does not
> support this very well and ends up failing the hotplug in one way or
> another. More detailed explanation is in changelog of patch [4/7].
> 
> This series fixes this issue and in addition includes fixes for few other
> issues found during testing on a system that has Thunderbolt controller in
> native PCIe enumeration mode. However, the fixes here are not in any way
> Thunderbolt specific and should be applicable to other systems as well.

I applied all these on pci/hotplug for v4.18.

Thanks for your help and patience!  I reordered some things and
tweaked some changelogs, so let me know if I broke anything.  I'll put
this into -next as soon as the 0-day robot builds it.

Bjorn

  parent reply	other threads:[~2018-06-02  5:50 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-28 12:47 [PATCH v8 0/7] PCI: Fixes and cleanups for native PCIe, SHPC and ACPI hotplug Mika Westerberg
2018-05-28 12:47 ` [PATCH v8 1/7] PCI: Take all bridges into account when calculating bus numbers for extension Mika Westerberg
2018-06-01 13:49   ` Bjorn Helgaas
2018-06-01 13:55     ` Mika Westerberg
2018-05-28 12:47 ` [PATCH v8 2/7] PCI: Introduce shpchp_is_native() Mika Westerberg
2018-05-29  9:06   ` Rafael J. Wysocki
2018-05-29 16:33   ` Andy Shevchenko
2018-05-30 20:23   ` Bjorn Helgaas
2018-05-30 21:55     ` Bjorn Helgaas
2018-05-31  6:58     ` Mika Westerberg
2018-05-31 13:12       ` Bjorn Helgaas
2018-05-31 13:51         ` Mika Westerberg
2018-05-31 16:55           ` Bjorn Helgaas
2018-06-01  9:27             ` Mika Westerberg
2018-06-01 13:25               ` Bjorn Helgaas
2018-05-28 12:47 ` [PATCH v8 3/7] PCI: Introduce hotplug_is_native() Mika Westerberg
2018-05-29  9:06   ` Rafael J. Wysocki
2018-05-29 16:34   ` Andy Shevchenko
2018-05-28 12:47 ` [PATCH v8 6/7] PCI: Move resource distribution for a single bridge outside of the loop Mika Westerberg
2018-05-29 17:24   ` Andy Shevchenko
2018-05-28 12:47 ` [PATCH v8 7/7] PCI: Document return value of pci_scan_bridge() and pci_scan_bridge_extend() Mika Westerberg
2018-05-29 17:24   ` Andy Shevchenko
2018-05-29 13:26 ` [PATCH v8 0/7] PCI: Fixes and cleanups for native PCIe, SHPC and ACPI hotplug Bjorn Helgaas
2018-05-29 13:41   ` Mika Westerberg
2018-05-29 16:01 ` [PATCH v8 4/7] ACPI/hotplug/PCI: Do not scan all bridges when native PCIe hotplug is used Mika Westerberg
2018-05-29 17:16   ` Andy Shevchenko
2018-06-01 14:11   ` Bjorn Helgaas
2018-06-01 14:24     ` Mika Westerberg
2018-06-01 18:41       ` Bjorn Helgaas
2018-06-01 19:19         ` Mika Westerberg
2018-06-01 21:50           ` Bjorn Helgaas
2018-06-01 22:09             ` Mika Westerberg
2018-06-01 21:35   ` Bjorn Helgaas
2018-06-01 21:48     ` Mika Westerberg
2018-06-02  5:46       ` Bjorn Helgaas
2018-06-02 18:44         ` Mika Westerberg
2018-05-29 16:02 ` [PATCH v8 5/7] ACPI/hotplug/PCI: Mark stale PCI devices disconnected Mika Westerberg
2018-06-02  5:50 ` Bjorn Helgaas [this message]
2018-06-02 18:47   ` [PATCH v8 0/7] PCI: Fixes and cleanups for native PCIe, SHPC and ACPI hotplug Mika Westerberg

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