Just the serial port in the first interface should control DTR and RTS
lines. This way, the closing of the rest of the ports does not produce a=
hangup in the communication.
Signed-off-by: NMiguel Angel Alvarez <ma.alvarez@ziv.es>
Signed-off-by: NMatthias Urlichs <matthias@urlichs.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>