621 static u8 cp210x_interface_num(struct usb_serial *serial)  in cp210x_interface_num()  argument
625 	cur_altsetting = serial->interface->cur_altsetting;  in cp210x_interface_num()
637 	struct usb_serial *serial = port->serial;  in cp210x_read_reg_block()  local
642 	result = usb_control_msg_recv(serial->dev, 0, req,  in cp210x_read_reg_block()
667 static int cp210x_read_vendor_block(struct usb_serial *serial, u8 type, u16 val,  in cp210x_read_vendor_block()  argument
672 	result = usb_control_msg_recv(serial->dev, 0, CP210X_VENDOR_SPECIFIC,  in cp210x_read_vendor_block()
673 			type, val, cp210x_interface_num(serial), buf, bufsize,  in cp210x_read_vendor_block()
676 		dev_err(&serial->interface->dev,  in cp210x_read_vendor_block()
691 	struct usb_serial *serial = port->serial;  in cp210x_write_u16_reg()  local
695 	result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in cp210x_write_u16_reg()
714 	struct usb_serial *serial = port->serial;  in cp210x_write_reg_block()  local
718 	result = usb_control_msg_send(serial->dev, 0, req,  in cp210x_write_reg_block()
748 static int cp210x_write_vendor_block(struct usb_serial *serial, u8 type,  in cp210x_write_vendor_block()  argument
753 	result = usb_control_msg_send(serial->dev, 0, CP210X_VENDOR_SPECIFIC,  in cp210x_write_vendor_block()
754 			type, val, cp210x_interface_num(serial), buf, bufsize,  in cp210x_write_vendor_block()
757 		dev_err(&serial->interface->dev,  in cp210x_write_vendor_block()
919 	struct usb_serial *serial = port->serial;  in cp210x_get_tx_queue_byte_count()  local
924 	result = usb_control_msg_recv(serial->dev, 0, CP210X_GET_COMM_STATUS,  in cp210x_get_tx_queue_byte_count()
1046 	struct usb_serial *serial = port->serial;  in cp210x_change_speed()  local
1047 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_change_speed()
1077 	struct cp210x_serial_private *priv = usb_get_serial_data(port->serial);  in cp210x_enable_event_mode()
1129 	struct cp210x_serial_private *priv = usb_get_serial_data(port->serial);  in cp210x_set_flow_control()
1240 	struct cp210x_serial_private *priv = usb_get_serial_data(port->serial);  in cp210x_set_termios()
1439 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_get()  local
1440 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_get()
1446 	result = usb_autopm_get_interface(serial->interface);  in cp210x_gpio_get()
1466 	result = cp210x_read_vendor_block(serial, req_type, CP210X_READ_LATCH,  in cp210x_gpio_get()
1469 	usb_autopm_put_interface(serial->interface);  in cp210x_gpio_get()
1481 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_set()  local
1482 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_set()
1496 	result = usb_autopm_get_interface(serial->interface);  in cp210x_gpio_set()
1504 		result = cp210x_write_vendor_block(serial,  in cp210x_gpio_set()
1512 		result = cp210x_write_vendor_block(serial,  in cp210x_gpio_set()
1519 		result = usb_control_msg(serial->dev,  in cp210x_gpio_set()
1520 					 usb_sndctrlpipe(serial->dev, 0),  in cp210x_gpio_set()
1529 	usb_autopm_put_interface(serial->interface);  in cp210x_gpio_set()
1532 		dev_err(&serial->interface->dev, "failed to set GPIO value: %d\n",  in cp210x_gpio_set()
1539 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_direction_get()  local
1540 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_direction_get()
1547 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_direction_input()  local
1548 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_direction_input()
1570 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_direction_output()  local
1571 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_direction_output()
1582 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_set_config()  local
1583 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_set_config()
1601 	struct usb_serial *serial = gpiochip_get_data(gc);  in cp210x_gpio_init_valid_mask()  local
1602 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_init_valid_mask()
1603 	struct device *dev = &serial->interface->dev;  in cp210x_gpio_init_valid_mask()
1623 static int cp2105_gpioconf_init(struct usb_serial *serial)  in cp2105_gpioconf_init()  argument
1625 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp2105_gpioconf_init()
1628 	u8 intf_num = cp210x_interface_num(serial);  in cp2105_gpioconf_init()
1632 	result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp2105_gpioconf_init()
1638 	result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp2105_gpioconf_init()
1688 static int cp2104_gpioconf_init(struct usb_serial *serial)  in cp2104_gpioconf_init()  argument
1690 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp2104_gpioconf_init()
1697 	result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp2104_gpioconf_init()
1738 static int cp2108_gpio_init(struct usb_serial *serial)  in cp2108_gpio_init()  argument
1740 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp2108_gpio_init()
1746 	result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp2108_gpio_init()
1793 static int cp2102n_gpioconf_init(struct usb_serial *serial)  in cp2102n_gpioconf_init()  argument
1795 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp2102n_gpioconf_init()
1817 	result = cp210x_read_vendor_block(serial,  in cp2102n_gpioconf_init()
1897 static int cp210x_gpio_init(struct usb_serial *serial)  in cp210x_gpio_init()  argument
1899 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_init()
1904 		result = cp2104_gpioconf_init(serial);  in cp210x_gpio_init()
1907 		result = cp2105_gpioconf_init(serial);  in cp210x_gpio_init()
1914 		if (cp210x_interface_num(serial) != 0)  in cp210x_gpio_init()
1916 		result = cp2108_gpio_init(serial);  in cp210x_gpio_init()
1921 		result = cp2102n_gpioconf_init(serial);  in cp210x_gpio_init()
1939 	priv->gc.parent = &serial->interface->dev;  in cp210x_gpio_init()
1943 	result = gpiochip_add_data(&priv->gc, serial);  in cp210x_gpio_init()
1950 static void cp210x_gpio_remove(struct usb_serial *serial)  in cp210x_gpio_remove()  argument
1952 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_gpio_remove()
1962 static int cp210x_gpio_init(struct usb_serial *serial)  in cp210x_gpio_init()  argument
1967 static void cp210x_gpio_remove(struct usb_serial *serial)  in cp210x_gpio_remove()  argument
1976 	struct usb_serial *serial = port->serial;  in cp210x_port_probe()  local
1983 	port_priv->bInterfaceNumber = cp210x_interface_num(serial);  in cp210x_port_probe()
1999 static void cp210x_init_max_speed(struct usb_serial *serial)  in cp210x_init_max_speed()  argument
2001 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_init_max_speed()
2022 		if (cp210x_interface_num(serial) == 0) {  in cp210x_init_max_speed()
2046 static void cp2102_determine_quirks(struct usb_serial *serial)  in cp2102_determine_quirks()  argument
2048 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp2102_determine_quirks()
2061 	ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),  in cp2102_determine_quirks()
2065 		dev_dbg(&serial->interface->dev,  in cp2102_determine_quirks()
2073 static int cp210x_get_fw_version(struct usb_serial *serial, u16 value)  in cp210x_get_fw_version()  argument
2075 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_get_fw_version()
2079 	ret = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST, value,  in cp210x_get_fw_version()
2084 	dev_dbg(&serial->interface->dev, "%s - %d.%d.%d\n", __func__,  in cp210x_get_fw_version()
2092 static void cp210x_determine_type(struct usb_serial *serial)  in cp210x_determine_type()  argument
2094 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_determine_type()
2097 	ret = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,  in cp210x_determine_type()
2101 		dev_warn(&serial->interface->dev,  in cp210x_determine_type()
2107 	dev_dbg(&serial->interface->dev, "partnum = 0x%02x\n", priv->partnum);  in cp210x_determine_type()
2111 		cp2102_determine_quirks(serial);  in cp210x_determine_type()
2115 		cp210x_get_fw_version(serial, CP210X_GET_FW_VER);  in cp210x_determine_type()
2120 		ret = cp210x_get_fw_version(serial, CP210X_GET_FW_VER_2N);  in cp210x_determine_type()
2131 static int cp210x_attach(struct usb_serial *serial)  in cp210x_attach()  argument
2140 	usb_set_serial_data(serial, priv);  in cp210x_attach()
2142 	cp210x_determine_type(serial);  in cp210x_attach()
2143 	cp210x_init_max_speed(serial);  in cp210x_attach()
2145 	result = cp210x_gpio_init(serial);  in cp210x_attach()
2147 		dev_err(&serial->interface->dev, "GPIO initialisation failed: %d\n",  in cp210x_attach()
2154 static void cp210x_disconnect(struct usb_serial *serial)  in cp210x_disconnect()  argument
2156 	cp210x_gpio_remove(serial);  in cp210x_disconnect()
2159 static void cp210x_release(struct usb_serial *serial)  in cp210x_release()  argument
2161 	struct cp210x_serial_private *priv = usb_get_serial_data(serial);  in cp210x_release()
2163 	cp210x_gpio_remove(serial);  in cp210x_release()