On Thu, Nov 02, 2023 at 10:26:31AM -0500, Mario Limonciello wrote: > On 11/2/2023 10:21, Lukas Wunner wrote: > > On Wed, Nov 01, 2023 at 08:14:31PM -0500, Mario Limonciello wrote: > > > Considering this I think it's a good idea to move that creation of the > > > device link into drivers/pci/pci-acpi.c and store a bit in struct > > > pci_device to indicate it's a tunneled port. > > > > > > Then 'thunderbolt' can look for this directly instead of walking all > > > the FW nodes. > > > > > > pcie_bandwidth_available() can just look at the tunneled port bit > > > instead of the existence of the device link. > > > > pci_is_thunderbolt_attached() should already be doing exactly what > > you want to achieve with the new bit. It tells you whether a PCI > > device is behind a Thunderbolt tunnel. So I don't think a new bit > > is actually needed. > > It's only for a device connected to an Intel TBT3 controller though; it > won't apply to USB4. Time to resurrect this patch here...? :) https://lore.kernel.org/all/20220204182820.130339-3-mario.limonciello@xxxxxxx/
