389 	spinlock_t spin_mutex;	/* secures access to registers and tty */  member
1166 	spin_lock(&dc->spin_mutex);  in interrupt_handler()
1270 	spin_unlock(&dc->spin_mutex);  in interrupt_handler()
1278 	spin_unlock(&dc->spin_mutex);  in interrupt_handler()
1428 	spin_lock_init(&dc->spin_mutex);  in nozomi_card_init()
1613 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_activate()
1617 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_activate()
1635 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_shutdown()
1639 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_shutdown()
1675 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_write()
1688 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_write()
1738 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_tiocmset()
1748 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_tiocmset()
1823 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_unthrottle()
1827 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_unthrottle()
1840 	spin_lock_irqsave(&dc->spin_mutex, flags);  in ntty_throttle()
1842 	spin_unlock_irqrestore(&dc->spin_mutex, flags);  in ntty_throttle()