On Sat, Jun 02, 2018 at 12:50:50AM -0500, Bjorn Helgaas wrote: > 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. Thank you! > 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. I just finished testing of your branch and everything still work as expected :)
