tty: Move serial8250_stop_rx() in front of serial8250_start_tx()
Software RS485 emultaion is to be added in the following commit. serial8250_start_tx() will need to refer serial8250_stop_rx(). Move serial8250_stop_rx() in front of serial8250_start_tx() in order to avoid function forward declaration. Signed-off-by: NMatwey V. Kornilov <matwey@sai.msu.ru> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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