110 	struct metrousb_private *metro_priv = usb_get_serial_port_data(port);  in metrousb_read_int_callback()  local
148 	spin_lock_irqsave(&metro_priv->lock, flags);  in metrousb_read_int_callback()
149 	throttled = metro_priv->throttled;  in metrousb_read_int_callback()
150 	spin_unlock_irqrestore(&metro_priv->lock, flags);  in metrousb_read_int_callback()
173 	struct metrousb_private *metro_priv = usb_get_serial_port_data(port);  in metrousb_open()  local
178 	spin_lock_irqsave(&metro_priv->lock, flags);  in metrousb_open()
179 	metro_priv->control_state = 0;  in metrousb_open()
180 	metro_priv->throttled = 0;  in metrousb_open()
181 	spin_unlock_irqrestore(&metro_priv->lock, flags);  in metrousb_open()
246 	struct metrousb_private *metro_priv;  in metrousb_port_probe()  local
248 	metro_priv = kzalloc(sizeof(*metro_priv), GFP_KERNEL);  in metrousb_port_probe()
249 	if (!metro_priv)  in metrousb_port_probe()
252 	spin_lock_init(&metro_priv->lock);  in metrousb_port_probe()
254 	usb_set_serial_port_data(port, metro_priv);  in metrousb_port_probe()
261 	struct metrousb_private *metro_priv;  in metrousb_port_remove()  local
263 	metro_priv = usb_get_serial_port_data(port);  in metrousb_port_remove()
264 	kfree(metro_priv);  in metrousb_port_remove()
270 	struct metrousb_private *metro_priv = usb_get_serial_port_data(port);  in metrousb_throttle()  local
274 	spin_lock_irqsave(&metro_priv->lock, flags);  in metrousb_throttle()
275 	metro_priv->throttled = 1;  in metrousb_throttle()
276 	spin_unlock_irqrestore(&metro_priv->lock, flags);  in metrousb_throttle()
283 	struct metrousb_private *metro_priv = usb_get_serial_port_data(port);  in metrousb_tiocmget()  local
286 	spin_lock_irqsave(&metro_priv->lock, flags);  in metrousb_tiocmget()
287 	control_state = metro_priv->control_state;  in metrousb_tiocmget()
288 	spin_unlock_irqrestore(&metro_priv->lock, flags);  in metrousb_tiocmget()
298 	struct metrousb_private *metro_priv = usb_get_serial_port_data(port);  in metrousb_tiocmset()  local
304 	spin_lock_irqsave(&metro_priv->lock, flags);  in metrousb_tiocmset()
305 	control_state = metro_priv->control_state;  in metrousb_tiocmset()
317 	metro_priv->control_state = control_state;  in metrousb_tiocmset()
318 	spin_unlock_irqrestore(&metro_priv->lock, flags);  in metrousb_tiocmset()
325 	struct metrousb_private *metro_priv = usb_get_serial_port_data(port);  in metrousb_unthrottle()  local
330 	spin_lock_irqsave(&metro_priv->lock, flags);  in metrousb_unthrottle()
331 	metro_priv->throttled = 0;  in metrousb_unthrottle()
332 	spin_unlock_irqrestore(&metro_priv->lock, flags);  in metrousb_unthrottle()