355 	spinlock_t spin_mutex;	/* secures access to registers and tty */  member
1132 	spin_lock(&dc->spin_mutex);  in interrupt_handler()
1236 	spin_unlock(&dc->spin_mutex);  in interrupt_handler()
1244 	spin_unlock(&dc->spin_mutex);  in interrupt_handler()
1394 	spin_lock_init(&dc->spin_mutex);  in nozomi_card_init()
1579 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_activate()
1583 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_activate()
1601 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_shutdown()
1605 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_shutdown()
1641 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_write()
1654 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_write()
1704 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_tiocmset()
1714 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_tiocmset()
1789 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_unthrottle()
1793 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_unthrottle()
1806 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_throttle()
1808 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_throttle()