On Fri, Oct 13, 2023 at 11:22:12AM -0400, Alan Stern wrote: > Not all USB devices have interfaces. This is true in particular of > the STMicroelectronics STEVAL-USBC2DP Type-C to DisplayPort adapter, > as well as possibly other USB-C devices. > > As a result these devices do not show up in the output from "lsusb -t", > because the logic in print_tree_dev_interface() lists interfaces, not > devices (as implied by the function's name). This means that the > output from "lsusb -t" can be inconsistent with the output from > "lsusb", since some devices are omitted. > > To fix the problem, we make the subroutine call print_usbdevice() at > least once even if the device has no interfaces, and make the latter > routine print a minimal description of such devices (anything that does > not require access to the interface descriptor). > > Reported-and-tested-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> > Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Link: https://lore.kernel.org/linux-usb/70c563f1-847c-32a1-cf4d-6bf9802017ab@xxxxxxxxxxxx/ Now applied, thanks! I'll do a new release in a few days to get this out to the world. greg k-h
