/proc/bus/usb. It provides the /proc/bus/usb/devices file, as well as
the /proc/bus/usb/BBB/DDD files.
-In many modern systems the usbfs filsystem isn't used at all. Instead
+In many modern systems the usbfs filesystem isn't used at all. Instead
USB device nodes are created under /dev/usb/ or someplace similar. The
"devices" file is available in debugfs, typically as
/sys/kernel/debug/usb/devices.