113 	spinlock_t open_lock;  member
284 	spin_lock(&uart->open_lock);  in snd_uart16550_interrupt()
286 		spin_unlock(&uart->open_lock);  in snd_uart16550_interrupt()
292 	spin_unlock(&uart->open_lock);  in snd_uart16550_interrupt()
303 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_buffer_timer()
306 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_buffer_timer()
504 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_open()
509 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_open()
518 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_close()
523 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_close()
533 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
538 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
546 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_open()
551 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_open()
560 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_close()
565 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_close()
645 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_write()
720 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_write()
729 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
734 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
771 	spin_lock_init(&uart->open_lock);  in snd_uart16550_create()