> Yes. The case I tried was a large write (strace cat /etc/somefile > > /dev/ttyDA2) and strace showed a single large write, but it got to the > driver in chunks of a dozen or so characters. Is that expected to happen?
Yes it is - the tty mid layer code could do better on this but it's never been much of a priority. > @@ -613,8 +613,7 @@ static int __init dashtty_init(void) > channel_driver->type = TTY_DRIVER_TYPE_SERIAL; > channel_driver->subtype = SERIAL_TYPE_NORMAL; > channel_driver->init_termios = tty_std_termios; > - channel_driver->init_termios.c_cflag = > - B38400 | CS8 | CREAD | HUPCL | CLOCAL; > + channel_driver->init_termios.c_cflag |= CLOCAL; > channel_driver->flags = TTY_DRIVER_REAL_RAW; > > tty_set_operations(channel_driver, &dashtty_ops); Ok -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
