diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 986d7622273..b2bfea7c815 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -500,6 +500,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) }, { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -1261,7 +1262,6 @@ static void ftdi_shutdown (struct usb_serial *serial) static int ftdi_open (struct usb_serial_port *port, struct file *filp) { /* ftdi_open */ - struct termios tmp_termios; struct usb_device *dev = port->serial->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); unsigned long flags; @@ -1271,8 +1271,8 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp) dbg("%s", __FUNCTION__); - - port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + if (port->tty) + port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0; /* No error checking for this (will get errors later anyway) */ /* See ftdi_sio.h for description of what is reset */ @@ -1286,7 +1286,8 @@ static int ftdi_open (struct usb_serial_port *port, struct file *filp) This is same behaviour as serial.c/rs_open() - Kuba */ /* ftdi_set_termios will send usb control messages */ - ftdi_set_termios(port, &tmp_termios); + if (port->tty) + ftdi_set_termios(port, NULL); /* FIXME: Flow control might be enabled, so it should be checked - we have no control of defaults! */ @@ -1472,7 +1473,7 @@ static void ftdi_write_bulk_callback (struct urb *urb, struct pt_regs *regs) return; } - schedule_work(&port->work); + usb_serial_port_softint(port); } /* ftdi_write_bulk_callback */ @@ -1867,7 +1868,7 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_ err("%s urb failed to set baudrate", __FUNCTION__); } /* Ensure RTS and DTR are raised when baudrate changed from 0 */ - if ((old_termios->c_cflag & CBAUD) == B0) { + if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) { set_mctrl(port, TIOCM_DTR | TIOCM_RTS); } } |