On Wed, Aug 13, 2025 at 12:25:52PM -0500, Bjorn Helgaas wrote: > On Tue, Aug 12, 2025 at 03:42:29PM +0200, Lukas Wunner wrote: > > The thunderbolt driver sets up device link dependencies from hotplug ports > > to the Host Router (aka Native Host Interface, NHI). When resuming from > > system sleep, this allows the Host Router to re-establish tunnels to > > attached Thunderbolt devices before the hotplug ports resume. > > > > To identify the hotplug ports, the driver utilizes the is_hotplug_bridge > > flag which also encompasses ACPI slots handled by the ACPI hotplug driver. > > > > Thunderbolt hotplug ports are always Hot-Plug Capable PCIe ports, so it is > > more apt to identify them with the is_pciehp flag. > > > > Similarly, hotplug ports on older Thunderbolt controllers have broken MSI > > support and are quirked to use legacy INTx interrupts instead. The quirk > > identifies them with is_hotplug_bridge, even though all affected ports are > > also matched by is_pciehp. So use is_pciehp here as well. > > > > Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx> > > Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Applied to thunderbolt.git/next, thanks!
