some questions:
a) could you add CONFIG_SERIAL_ECHO and SERIAL_ECHO_PORT to the makefile ?
I like this option very much ... :-)
b) please add "X(serial_echo_print" to linux/kernel/ksyms.c, so that it
can be used by modules, too.
c) currently, the serial-echo speed is hardwirde to 9600bps, this is done
by writing 0x000c to UART_LCR as divisor value. what other values are
possible, i.e. for a null-modem 115kbps link ?
/herp