103 		percpu_down_read(&hu->proto_lock);  in hci_uart_dequeue()
108 		percpu_up_read(&hu->proto_lock);  in hci_uart_dequeue()
124 	if (!percpu_down_read_trylock(&hu->proto_lock))  in hci_uart_tx_wakeup()
140 	percpu_up_read(&hu->proto_lock);  in hci_uart_tx_wakeup()
241 	percpu_down_read(&hu->proto_lock);  in hci_uart_flush()
246 	percpu_up_read(&hu->proto_lock);  in hci_uart_flush()
280 	percpu_down_read(&hu->proto_lock);  in hci_uart_send_frame()
283 		percpu_up_read(&hu->proto_lock);  in hci_uart_send_frame()
288 	percpu_up_read(&hu->proto_lock);  in hci_uart_send_frame()
506 	percpu_init_rwsem(&hu->proto_lock);  in hci_uart_tty_open()
537 		percpu_down_write(&hu->proto_lock);  in hci_uart_tty_close()
539 		percpu_up_write(&hu->proto_lock);  in hci_uart_tty_close()
553 	percpu_free_rwsem(&hu->proto_lock);  in hci_uart_tty_close()
604 	percpu_down_read(&hu->proto_lock);  in hci_uart_tty_receive()
607 		percpu_up_read(&hu->proto_lock);  in hci_uart_tty_receive()
615 	percpu_up_read(&hu->proto_lock);  in hci_uart_tty_receive()