137 static int ark3116_port_probe(struct usb_serial_port *port)  in ark3116_port_probe()  argument
139 	struct usb_serial *serial = port->serial;  in ark3116_port_probe()
151 	usb_set_serial_port_data(port, priv);  in ark3116_port_probe()
196 static int ark3116_port_remove(struct usb_serial_port *port)  in ark3116_port_remove()  argument
198 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_port_remove()
218 				struct usb_serial_port *port,  in ark3116_set_termios()  argument
221 	struct usb_serial *serial = port->serial;  in ark3116_set_termios()
222 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_set_termios()
259 	dev_dbg(&port->dev, "%s - setting bps to %d\n", __func__, bps);  in ark3116_set_termios()
286 	dev_dbg(&port->dev, "%s - setting hcr:0x%02x,lcr:0x%02x,quot:%d\n",  in ark3116_set_termios()
338 static void ark3116_close(struct usb_serial_port *port)  in ark3116_close()  argument
340 	struct usb_serial *serial = port->serial;  in ark3116_close()
348 	usb_serial_generic_close(port);  in ark3116_close()
350 		usb_kill_urb(port->interrupt_in_urb);  in ark3116_close()
353 static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)  in ark3116_open()  argument
355 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_open()
356 	struct usb_serial *serial = port->serial;  in ark3116_open()
364 	result = usb_serial_generic_open(tty, port);  in ark3116_open()
366 		dev_dbg(&port->dev,  in ark3116_open()
380 	result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);  in ark3116_open()
382 		dev_err(&port->dev, "submit irq_in urb failed %d\n",  in ark3116_open()
384 		ark3116_close(port);  in ark3116_open()
389 	ark3116_write_reg(port->serial, UART_IER, UART_IER_MSI|UART_IER_RLSI);  in ark3116_open()
392 	ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT);  in ark3116_open()
396 		ark3116_set_termios(tty, port, NULL);  in ark3116_open()
406 	struct usb_serial_port *port = tty->driver_data;  in ark3116_ioctl()  local
415 		serstruct.line = port->minor;  in ark3116_ioctl()
416 		serstruct.port = port->port_number;  in ark3116_ioctl()
435 	struct usb_serial_port *port = tty->driver_data;  in ark3116_tiocmget()  local
436 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_tiocmget()
462 	struct usb_serial_port *port = tty->driver_data;  in ark3116_tiocmset()  local
463 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_tiocmset()
488 	ark3116_write_reg(port->serial, UART_MCR, priv->mcr);  in ark3116_tiocmset()
497 	struct usb_serial_port *port = tty->driver_data;  in ark3116_break_ctl()  local
498 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_break_ctl()
508 	ark3116_write_reg(port->serial, UART_LCR, priv->lcr);  in ark3116_break_ctl()
513 static void ark3116_update_msr(struct usb_serial_port *port, __u8 msr)  in ark3116_update_msr()  argument
515 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_update_msr()
525 			port->icount.cts++;  in ark3116_update_msr()
527 			port->icount.dsr++;  in ark3116_update_msr()
529 			port->icount.dcd++;  in ark3116_update_msr()
531 			port->icount.rng++;  in ark3116_update_msr()
532 		wake_up_interruptible(&port->port.delta_msr_wait);  in ark3116_update_msr()
536 static void ark3116_update_lsr(struct usb_serial_port *port, __u8 lsr)  in ark3116_update_lsr()  argument
538 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_update_lsr()
548 			port->icount.brk++;  in ark3116_update_lsr()
550 			port->icount.frame++;  in ark3116_update_lsr()
552 			port->icount.parity++;  in ark3116_update_lsr()
554 			port->icount.overrun++;  in ark3116_update_lsr()
560 	struct usb_serial_port *port = urb->context;  in ark3116_read_int_callback()  local
570 		dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",  in ark3116_read_int_callback()
574 		dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",  in ark3116_read_int_callback()
581 			dev_dbg(&port->dev, "%s: iir=%02x\n", __func__, data[1]);  in ark3116_read_int_callback()
583 				dev_dbg(&port->dev, "%s: msr=%02x\n",  in ark3116_read_int_callback()
585 				ark3116_update_msr(port, data[3]);  in ark3116_read_int_callback()
588 				dev_dbg(&port->dev, "%s: lsr=%02x\n",  in ark3116_read_int_callback()
590 				ark3116_update_lsr(port, data[2]);  in ark3116_read_int_callback()
597 		usb_serial_debug_data(&port->dev, __func__,  in ark3116_read_int_callback()
624 	struct usb_serial_port *port = urb->context;  in ark3116_process_read_urb()  local
625 	struct ark3116_private *priv = usb_get_serial_port_data(port);  in ark3116_process_read_urb()
650 			tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);  in ark3116_process_read_urb()
652 	tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,  in ark3116_process_read_urb()
654 	tty_flip_buffer_push(&port->port);  in ark3116_process_read_urb()