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()
139 	percpu_up_read(&hu->proto_lock);  in hci_uart_tx_wakeup()
240 	percpu_down_read(&hu->proto_lock);  in hci_uart_flush()
245 	percpu_up_read(&hu->proto_lock);  in hci_uart_flush()
279 	percpu_down_read(&hu->proto_lock);  in hci_uart_send_frame()
282 		percpu_up_read(&hu->proto_lock);  in hci_uart_send_frame()
287 	percpu_up_read(&hu->proto_lock);  in hci_uart_send_frame()
496 	if (percpu_init_rwsem(&hu->proto_lock)) {  in hci_uart_tty_open()
542 		percpu_down_write(&hu->proto_lock);  in hci_uart_tty_close()
544 		percpu_up_write(&hu->proto_lock);  in hci_uart_tty_close()
558 	percpu_free_rwsem(&hu->proto_lock);  in hci_uart_tty_close()
609 	percpu_down_read(&hu->proto_lock);  in hci_uart_tty_receive()
612 		percpu_up_read(&hu->proto_lock);  in hci_uart_tty_receive()
620 	percpu_up_read(&hu->proto_lock);  in hci_uart_tty_receive()