return usb_serial_generic_open(tty, port);
}
-static void spcp8x5_process_read_urb(struct urb *urb)
-{
- struct usb_serial_port *port = urb->context;
- struct spcp8x5_private *priv = usb_get_serial_port_data(port);
- unsigned char *data = urb->transfer_buffer;
- unsigned long flags;
- u8 status;
- char tty_flag;
-
- /* get tty_flag from status */
- tty_flag = TTY_NORMAL;
-
- spin_lock_irqsave(&priv->lock, flags);
- status = priv->line_status;
- priv->line_status &= ~UART_STATE_TRANSIENT_MASK;
- spin_unlock_irqrestore(&priv->lock, flags);
-
- if (!urb->actual_length)
- return;
-
-
- if (status & UART_STATE_TRANSIENT_MASK) {
- /* break takes precedence over parity, which takes precedence
- * over framing errors */
- if (status & UART_BREAK_ERROR)
- tty_flag = TTY_BREAK;
- else if (status & UART_PARITY_ERROR)
- tty_flag = TTY_PARITY;
- else if (status & UART_FRAME_ERROR)
- tty_flag = TTY_FRAME;
- dev_dbg(&port->dev, "tty_flag = %d\n", tty_flag);
-
- /* overrun is special, not associated with a char */
- if (status & UART_OVERRUN_ERROR)
- tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
-
- if (status & UART_DCD) {
- struct tty_struct *tty = tty_port_tty_get(&port->port);
- if (tty) {
- usb_serial_handle_dcd_change(port, tty,
- priv->line_status & MSR_STATUS_LINE_DCD);
- tty_kref_put(tty);
- }
- }
- }
-
- tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
- urb->actual_length);
- tty_flip_buffer_push(&port->port);
-}
-
static int spcp8x5_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear)
{
.tiocmset = spcp8x5_tiocmset,
.port_probe = spcp8x5_port_probe,
.port_remove = spcp8x5_port_remove,
- .process_read_urb = spcp8x5_process_read_urb,
};
static struct usb_serial_driver * const serial_drivers[] = {