spin_unlock_irqrestore(&priv->lock, flags); 
spin_unlock_irqrestore(&priv->lock, flags); 
static void cypress_throttle (struct usb_serial_port *port){	struct cypress_private *priv = usb_get_serial_port_data(port);	unsigned long flags;	dbg("%s - port %d", __FUNCTION__, port->number);	spin_lock_irqsave(&priv->lock, flags);	priv->rx_flags = THROTTLED;	spin_unlock_irqrestore(&priv->lock, flags);	   }
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/b9db07fba7f113764d7379b0f68324a9a5450306/cypress_m8.c/clean/drivers/usb/serial/cypress_m8.c