tty: USB serial termios bits

Various drivers have hacks to mangle termios structures. This stems from
the fact there is no nice setup hook for configuring the termios settings
when the port is created

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 385cca7..05f443c 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1184,6 +1184,7 @@
 	tty->termios->c_ospeed = tty_termios_baud_rate(tty->termios);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(tty_init_termios);
 
 /**
  *	tty_driver_install_tty() - install a tty entry in the driver