The device driver may need to communicate with the UART
device while the Bluetooth device is closed (e.g. due
to interrupts).
Acked-by: NPavel Machek <pavel@ucw.cz>
Signed-off-by: NSebastian Reichel <sre@kernel.org>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>