# There are a number of modifiers that are allowed to be used in some # of the different fields. They provide the following subsitutions: # # %n the "kernel number" of the device. # For example, 'sda3' has a "kernel number" of '3' # %e the smallest number for that name which does not matches an existing node # %k the kernel name for the device # %M the kernel major number for the device # %m the kernel minor number for the device # %b the bus id for the device # %c the string returned by the PROGRAM # %s{filename} the content of a sysfs attribute # %% the '%' char itself # # Backward compatibility with old OMAP UART-style ttyO0 naming SUBSYSTEM=="tty", ATTR{uartclk}!="0", KERNEL=="ttyS[0-9]", SYMLINK+="ttyO%n"