127 	spinlock_t open_lock;  member
299 	spin_lock(&uart->open_lock);  in snd_uart16550_interrupt()
301 		spin_unlock(&uart->open_lock);  in snd_uart16550_interrupt()
307 	spin_unlock(&uart->open_lock);  in snd_uart16550_interrupt()
318 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_buffer_timer()
321 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_buffer_timer()
520 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_open()
525 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_open()
534 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_close()
539 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_close()
549 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
554 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
562 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_open()
567 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_open()
576 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_close()
581 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_close()
661 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_write()
736 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_write()
745 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
750 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
804 	spin_lock_init(&uart->open_lock);  in snd_uart16550_create()