# do not edit this file, it will be overwritten on update ACTION=="remove", GOTO="serial_end" SUBSYSTEM!="tty", GOTO="serial_end" SUBSYSTEMS=="pci", ENV{ID_BUS}="pci", ENV{ID_VENDOR_ID}="$attr{vendor}", ENV{ID_MODEL_ID}="$attr{device}" SUBSYSTEMS=="pci", IMPORT{builtin}="hwdb --subsystem=pci" SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id", IMPORT{builtin}="hwdb --subsystem=usb" # /dev/serial/by-path/, /dev/serial/by-id/ for USB devices KERNEL!="ttyUSB[0-9]*", GOTO="serial_end" SUBSYSTEMS=="usb-serial", ENV{.ID_PORT}="$attr{port_number}" IMPORT{builtin}="path_id", IMPORT{builtin}="usb_id" # Change the name of the usb id to a "more" human redable format. # # - $env{ID_PATH} usually is a name like: "pci-0000:00:10.0-usb-0:2.3.3.4:1.0-port0" so we strip the "pci-*" # portion and only use the usb part # - Transform the USB "speech" to the tree like structure so we start with "usb0" as root-complex 0. # (tr -d -) does the replacement # - Replace the first group after ":" to represent the bus relation (sed -e 0,/:/s//b/) indicated by "b" # - Replace the next group after ":" to represent the port relation (sed -e 0,/:/s//p/) indicated by "p" ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="", PROGRAM="/bin/sh -c 'echo $env{ID_PATH:17} | tr -d - | sed -e 0,/:/s//b/ | sed -e 0,/:/s//p/'", SYMLINK+="serial/by-bus/$result" ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="?*", PROGRAM="/bin/sh -c 'echo $env{ID_PATH:17} | tr -d - | sed -e 0,/:/s//b/ | sed -e 0,/:/s//p/'", SYMLINK+="serial/by-bus/$result" LABEL="serial_end"