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()
505 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_open()
510 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_open()
519 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_close()
524 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_close()
534 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
539 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_input_trigger()
547 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_open()
552 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_open()
561 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_close()
566 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_close()
646 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_write()
721 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_write()
730 	spin_lock_irqsave(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
735 	spin_unlock_irqrestore(&uart->open_lock, flags);  in snd_uart16550_output_trigger()
772 	spin_lock_init(&uart->open_lock);  in snd_uart16550_create()