105 static spinlock_t sn_sal_lock = SPIN_LOCK_UNLOCKED;  variable
336 				spin_unlock_irqrestore(&sn_sal_lock, *flags);  in sn_receive_chars()
338 				spin_lock_irqsave(&sn_sal_lock, *flags);  in sn_receive_chars()
519 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_interrupt()
524 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_interrupt()
571 		spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_tasklet_action()
580 		spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_tasklet_action()
594 		spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_timer_poll()
597 		spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_timer_poll()
625 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_open()
628 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_open()
648 		spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_close()
650 		spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_close()
683 			spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_write()
691 			spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_write()
701 		spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_write()
716 		spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_write()
719 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_write()
723 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_write()
734 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_put_char()
741 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_put_char()
750 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_flush_chars()
754 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_flush_chars()
764 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_write_room()
766 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_write_room()
777 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_chars_in_buffer()
780 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_chars_in_buffer()
791 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_flush_buffer()
793 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_flush_buffer()
895 	spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_switch_to_asynch()
924 	spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_switch_to_asynch()
937 		spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_switch_to_interrupts()
959 		spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_switch_to_interrupts()
1028 	if (spin_is_locked(&sn_sal_lock)) {  in sn_sal_console_write()
1034 		spin_lock_irqsave(&sn_sal_lock, flags);  in sn_sal_console_write()
1036 		spin_unlock_irqrestore(&sn_sal_lock, flags);  in sn_sal_console_write()