487 static u8 cp210x_interface_num(struct usb_serial *serial)  in cp210x_interface_num()  argument
491 	cur_altsetting = serial->interface->cur_altsetting;  in cp210x_interface_num()
503 	struct usb_serial *serial = port->serial;  in cp210x_read_reg_block()  local
518 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),  in cp210x_read_reg_block()
595 static int cp210x_read_vendor_block(struct usb_serial *serial, u8 type, u16 val,  in cp210x_read_vendor_block()  argument
605 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),  in cp210x_read_vendor_block()
607 				 cp210x_interface_num(serial), dmabuf, bufsize,  in cp210x_read_vendor_block()
613 		dev_err(&serial->interface->dev,  in cp210x_read_vendor_block()
631 	struct usb_serial *serial = port->serial;  in cp210x_write_u16_reg()  local
635 	result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in cp210x_write_u16_reg()
654 	struct usb_serial *serial = port->serial;  in cp210x_write_reg_block()  local
663 	result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in cp210x_write_reg_block()
699 static int cp210x_write_vendor_block(struct usb_serial *serial, u8 type,  in cp210x_write_vendor_block()  argument
709 	result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in cp210x_write_vendor_block()
711 				 cp210x_interface_num(serial), dmabuf, bufsize,  in cp210x_write_vendor_block()
719 		dev_err(&serial->interface->dev,  in cp210x_write_vendor_block()
819 	struct usb_serial *serial = port->serial;  in cp210x_get_tx_queue_byte_count()  local
828 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),  in cp210x_get_tx_queue_byte_count()
1054 static speed_t cp210x_get_actual_rate(struct usb_serial *serial, speed_t baud)  in cp210x_get_actual_rate()  argument
1056 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_get_actual_rate()
1100 	struct usb_serial *serial = port->serial;  in cp210x_change_speed()  local
1101 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_change_speed()
1113 		baud = cp210x_get_actual_rate(serial, baud);  in cp210x_change_speed()
1336 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_request()  local
1337 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_request()
1347 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_get()  local
1348 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_get()
1356 	result = cp210x_read_vendor_block(serial, req_type,  in cp210x_gpio_get()
1366 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_set()  local
1367 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_set()
1379 		result = cp210x_write_vendor_block(serial,  in cp210x_gpio_set()
1386 		result = usb_control_msg(serial->dev,  in cp210x_gpio_set()
1387 					 usb_sndctrlpipe(serial->dev, 0),  in cp210x_gpio_set()
1396 		dev_err(&serial->interface->dev, "failed to set GPIO value: %d\n",  in cp210x_gpio_set()
1403 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_direction_get()  local
1404 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_direction_get()
1411 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_direction_input()  local
1412 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_direction_input()
1434 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_direction_output()  local
1435 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_direction_output()
1446 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_set_config()  local
1447 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_set_config()
1469 static int cp2105_gpioconf_init(struct usb_serial *serial)  in cp2105_gpioconf_init()  argument
1471 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp2105_gpioconf_init()
1474 	u8 intf_num = cp210x_interface_num(serial);  in cp2105_gpioconf_init()
1478 	result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp2105_gpioconf_init()
1484 	result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp2105_gpioconf_init()
1532 static int cp2102n_gpioconf_init(struct usb_serial *serial)  in cp2102n_gpioconf_init()  argument
1534 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp2102n_gpioconf_init()
1556 	result = cp210x_read_vendor_block(serial,  in cp2102n_gpioconf_init()
1617 static int cp210x_gpio_init(struct usb_serial *serial)  in cp210x_gpio_init()  argument
1619 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_init()
1624 		result = cp2105_gpioconf_init(serial);  in cp210x_gpio_init()
1629 		result = cp2102n_gpioconf_init(serial);  in cp210x_gpio_init()
1647 	priv->gc.parent = &serial->interface->dev;  in cp210x_gpio_init()
1651 	result = gpiochip_add_data(&priv->gc, serial);  in cp210x_gpio_init()
1658 static void cp210x_gpio_remove(struct usb_serial *serial)  in cp210x_gpio_remove()  argument
1660 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_remove()
1670 static int cp210x_gpio_init(struct usb_serial *serial)  in cp210x_gpio_init()  argument
1675 static void cp210x_gpio_remove(struct usb_serial *serial)  in cp210x_gpio_remove()  argument
1684 	struct usb_serial *serial = port->serial;  in cp210x_port_probe()  local
1692 	port_priv->bInterfaceNumber = cp210x_interface_num(serial);  in cp210x_port_probe()
1715 static void cp210x_init_max_speed(struct usb_serial *serial)  in cp210x_init_max_speed()  argument
1717 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_init_max_speed()
1737 		if (cp210x_interface_num(serial) == 0) {  in cp210x_init_max_speed()
1759 static int cp210x_attach(struct usb_serial *serial)  in cp210x_attach()  argument
1768 	result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp210x_attach()
1772 		dev_warn(&serial->interface->dev,  in cp210x_attach()
1777 	usb_set_serial_data(serial, priv);  in cp210x_attach()
1779 	cp210x_init_max_speed(serial);  in cp210x_attach()
1781 	result = cp210x_gpio_init(serial);  in cp210x_attach()
1783 		dev_err(&serial->interface->dev, "GPIO initialisation failed: %d\n",  in cp210x_attach()
1790 static void cp210x_disconnect(struct usb_serial *serial)  in cp210x_disconnect()  argument
1792 	cp210x_gpio_remove(serial);  in cp210x_disconnect()
1795 static void cp210x_release(struct usb_serial *serial)  in cp210x_release()  argument
1797 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_release()
1799 	cp210x_gpio_remove(serial);  in cp210x_release()