114 	spinlock_t open_lock;  member
286 	spin_lock(&uart->open_lock);  in snd_uart16550_interrupt()
288 		spin_unlock(&uart->open_lock);  in snd_uart16550_interrupt()
294 	spin_unlock(&uart->open_lock);  in snd_uart16550_interrupt()
305 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_buffer_timer()
308 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_buffer_timer()
507 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_open()
512 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_open()
521 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_close()
526 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_close()
536 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
541 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
549 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_open()
554 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_open()
563 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_close()
568 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_close()
648 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_write()
723 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_write()
732 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
737 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
791 	spin_lock_init(&uart->open_lock);  in snd_uart16550_create()