On Wed, May 08, 2024 at 11:08:11AM +0530, Muni Sekhar wrote: > Thank you for the clear explanation on how to identify devices > associated with root hubs. > Could you please provide clarity on whether the root hub devices have > attribute files in the devices sysfs directory? Upon checking the > sysfs directory, I couldn't find any relevant information about these > attribute files. Root hubs have different names in sysfs from all other USB devices. The root hub on bus N is named "usbN". For example, the root hub on bus 4 is named "usb4". Alan Stern _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies