linux-dont-force-enable-rts.patch

   1 diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
   2 index 0422c0f..838331d 100644
   3 --- a/drivers/serial/serial_core.c
   4 +++ b/drivers/serial/serial_core.c
   5 @@ -189,7 +189,7 @@ static int uart_startup(struct uart_state *state, int init_hw)
   6                          * port is open and ready to respond.
   7                          */
   8                         if (info->tty->termios->c_cflag & CBAUD)
   9 -                               uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
  10 +                               uart_set_mctrl(port, (info->flags & UIF_CTS_FLOW ? TIOCM_RTS : 0) | TIOCM_DTR);
  11                 }
  12
  13                 if (info->flags & UIF_CTS_FLOW) {