static int visor_calc_num_ports(struct usb_serial *serial);
static void visor_shutdown (struct usb_serial *serial);
static int visor_ioctl (struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg);
-static void visor_set_termios (struct usb_serial_port *port, struct ktermios *old_termios);
static void visor_write_bulk_callback (struct urb *urb);
static void visor_read_bulk_callback (struct urb *urb);
static void visor_read_int_callback (struct urb *urb);
.calc_num_ports = visor_calc_num_ports,
.shutdown = visor_shutdown,
.ioctl = visor_ioctl,
- .set_termios = visor_set_termios,
.write = visor_write,
.write_room = visor_write_room,
.chars_in_buffer = visor_chars_in_buffer,
.calc_num_ports = visor_calc_num_ports,
.shutdown = visor_shutdown,
.ioctl = visor_ioctl,
- .set_termios = visor_set_termios,
.write = visor_write,
.write_room = visor_write_room,
.chars_in_buffer = visor_chars_in_buffer,
.unthrottle = visor_unthrottle,
.attach = clie_3_5_startup,
.ioctl = visor_ioctl,
- .set_termios = visor_set_termios,
.write = visor_write,
.write_room = visor_write_room,
.chars_in_buffer = visor_chars_in_buffer,
usb_kill_urb(port->read_urb);
usb_kill_urb(port->interrupt_in_urb);
- /* Try to send shutdown message, if the device is gone, this will just fail. */
- transfer_buffer = kmalloc (0x12, GFP_KERNEL);
- if (transfer_buffer) {
- usb_control_msg (port->serial->dev,
- usb_rcvctrlpipe(port->serial->dev, 0),
- VISOR_CLOSE_NOTIFICATION, 0xc2,
- 0x0000, 0x0000,
- transfer_buffer, 0x12, 300);
- kfree (transfer_buffer);
+ mutex_lock(&port->serial->disc_mutex);
+ if (!port->serial->disconnected) {
+ /* Try to send shutdown message, unless the device is gone */
+ transfer_buffer = kmalloc (0x12, GFP_KERNEL);
+ if (transfer_buffer) {
+ usb_control_msg (port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0),
+ VISOR_CLOSE_NOTIFICATION, 0xc2,
+ 0x0000, 0x0000,
+ transfer_buffer, 0x12, 300);
+ kfree (transfer_buffer);
+ }
}
+ mutex_unlock(&port->serial->disc_mutex);
if (stats)
dev_info(&port->dev, "Bytes In = %d Bytes Out = %d\n",
return -ENOIOCTLCMD;
}
-
-/* This function is all nice and good, but we don't change anything based on it :) */
-static void visor_set_termios (struct usb_serial_port *port, struct ktermios *old_termios)
-{
- unsigned int cflag;
-
- dbg("%s - port %d", __FUNCTION__, port->number);
-
- if ((!port->tty) || (!port->tty->termios)) {
- dbg("%s - no tty structures", __FUNCTION__);
- return;
- }
-
- cflag = port->tty->termios->c_cflag;
-
- /* get the byte size */
- switch (cflag & CSIZE) {
- case CS5: dbg("%s - data bits = 5", __FUNCTION__); break;
- case CS6: dbg("%s - data bits = 6", __FUNCTION__); break;
- case CS7: dbg("%s - data bits = 7", __FUNCTION__); break;
- default:
- case CS8: dbg("%s - data bits = 8", __FUNCTION__); break;
- }
-
- /* determine the parity */
- if (cflag & PARENB)
- if (cflag & PARODD)
- dbg("%s - parity = odd", __FUNCTION__);
- else
- dbg("%s - parity = even", __FUNCTION__);
- else
- dbg("%s - parity = none", __FUNCTION__);
-
- /* figure out the stop bits requested */
- if (cflag & CSTOPB)
- dbg("%s - stop bits = 2", __FUNCTION__);
- else
- dbg("%s - stop bits = 1", __FUNCTION__);
-
-
- /* figure out the flow control settings */
- if (cflag & CRTSCTS)
- dbg("%s - RTS/CTS is enabled", __FUNCTION__);
- else
- dbg("%s - RTS/CTS is disabled", __FUNCTION__);
-
- /* determine software flow control */
- if (I_IXOFF(port->tty))
- dbg("%s - XON/XOFF is enabled, XON = %2x, XOFF = %2x",
- __FUNCTION__, START_CHAR(port->tty), STOP_CHAR(port->tty));
- else
- dbg("%s - XON/XOFF is disabled", __FUNCTION__);
-
- /* get the baud rate wanted */
- dbg("%s - baud rate = %d", __FUNCTION__, tty_get_baud_rate(port->tty));
-
- return;
-}
-
-
static int __init visor_init (void)
{
int i, retval;