diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/keyspan.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index f2a6fce5de1e..6bfdba6a213f 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -278,29 +278,35 @@ static void keyspan_set_termios (struct usb_serial_port *port, struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; unsigned int cflag; + struct tty_struct *tty = port->tty; dbg("%s", __FUNCTION__); p_priv = usb_get_serial_port_data(port); d_details = p_priv->device_details; - cflag = port->tty->termios->c_cflag; + cflag = tty->termios->c_cflag; device_port = port->number - port->serial->minor; /* Baud rate calculation takes baud rate as an integer so other rates can be generated if desired. */ - baud_rate = tty_get_baud_rate(port->tty); + baud_rate = tty_get_baud_rate(tty); /* If no match or invalid, don't change */ - if (baud_rate >= 0 - && d_details->calculate_baud_rate(baud_rate, d_details->baudclk, + if (d_details->calculate_baud_rate(baud_rate, d_details->baudclk, NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { /* FIXME - more to do here to ensure rate changes cleanly */ + /* FIXME - calcuate exact rate from divisor ? */ p_priv->baud = baud_rate; - } + } else + baud_rate = tty_termios_baud_rate(old_termios); + tty_encode_baud_rate(tty, baud_rate, baud_rate); /* set CTS/RTS handshake etc. */ p_priv->cflag = cflag; p_priv->flow_control = (cflag & CRTSCTS)? flow_cts: flow_none; + /* Mark/Space not supported */ + tty->termios->c_cflag &= ~CMSPAR; + keyspan_send_setup(port, 0); } |