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-rw-r--r--rules/60-persistent-serial.rules20
1 files changed, 20 insertions, 0 deletions
diff --git a/rules/60-persistent-serial.rules b/rules/60-persistent-serial.rules
new file mode 100644
index 0000000000..2948200c53
--- /dev/null
+++ b/rules/60-persistent-serial.rules
@@ -0,0 +1,20 @@
+# do not edit this file, it will be overwritten on update
+
+ACTION=="remove", GOTO="persistent_serial_end"
+SUBSYSTEM!="tty", GOTO="persistent_serial_end"
+KERNEL!="ttyUSB[0-9]*|ttyACM[0-9]*", GOTO="persistent_serial_end"
+
+SUBSYSTEMS=="usb-serial", ENV{.ID_PORT}="$attr{port_number}"
+
+IMPORT{builtin}="path_id"
+ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="", SYMLINK+="serial/by-path/$env{ID_PATH}"
+ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="?*", SYMLINK+="serial/by-path/$env{ID_PATH}-port$env{.ID_PORT}"
+
+IMPORT{builtin}="usb_id"
+ENV{ID_SERIAL}=="", GOTO="persistent_serial_end"
+SUBSYSTEMS=="usb", ENV{ID_USB_INTERFACE_NUM}="$attr{bInterfaceNumber}"
+ENV{ID_USB_INTERFACE_NUM}=="", GOTO="persistent_serial_end"
+ENV{.ID_PORT}=="", SYMLINK+="serial/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$env{ID_USB_INTERFACE_NUM}"
+ENV{.ID_PORT}=="?*", SYMLINK+="serial/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$env{ID_USB_INTERFACE_NUM}-port$env{.ID_PORT}"
+
+LABEL="persistent_serial_end"