355 	spinlock_t spin_mutex;	/* secures access to registers and tty */  member
1131 	spin_lock(&dc->spin_mutex);  in interrupt_handler()
1235 	spin_unlock(&dc->spin_mutex);  in interrupt_handler()
1243 	spin_unlock(&dc->spin_mutex);  in interrupt_handler()
1385 	spin_lock_init(&dc->spin_mutex);  in nozomi_card_init()
1570 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_activate()
1574 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_activate()
1592 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_shutdown()
1596 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_shutdown()
1632 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_write()
1645 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_write()
1695 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_tiocmset()
1705 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_tiocmset()
1780 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_unthrottle()
1784 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_unthrottle()
1797 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_throttle()
1799 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_throttle()