118 		percpu_down_read(&hu->proto_lock);  in hci_uart_dequeue()
123 		percpu_up_read(&hu->proto_lock);  in hci_uart_dequeue()
139 	if (!percpu_down_read_trylock(&hu->proto_lock))  in hci_uart_tx_wakeup()
155 	percpu_up_read(&hu->proto_lock);  in hci_uart_tx_wakeup()
248 	percpu_down_read(&hu->proto_lock);  in hci_uart_flush()
253 	percpu_up_read(&hu->proto_lock);  in hci_uart_flush()
287 	percpu_down_read(&hu->proto_lock);  in hci_uart_send_frame()
290 		percpu_up_read(&hu->proto_lock);  in hci_uart_send_frame()
295 	percpu_up_read(&hu->proto_lock);  in hci_uart_send_frame()
500 	percpu_init_rwsem(&hu->proto_lock);  in hci_uart_tty_open()
531 		percpu_down_write(&hu->proto_lock);  in hci_uart_tty_close()
533 		percpu_up_write(&hu->proto_lock);  in hci_uart_tty_close()
546 	percpu_free_rwsem(&hu->proto_lock);  in hci_uart_tty_close()
597 	percpu_down_read(&hu->proto_lock);  in hci_uart_tty_receive()
600 		percpu_up_read(&hu->proto_lock);  in hci_uart_tty_receive()
608 	percpu_up_read(&hu->proto_lock);  in hci_uart_tty_receive()