From 3a13884abea08a5043b98d9374486ec859d1e03a Mon Sep 17 00:00:00 2001
From: Dimitris Lampridis <dlampridis@logikonlabs.com>
Date: Thu, 13 Mar 2014 15:11:47 +0200
Subject: [PATCH] tty/serial: omap: empty the RX FIFO at the end of half-duplex
 TX

Provided that the SER_RS485_RX_DURING_TX flag is not set, empty the
RX FIFO to prevent reading back the transmitted data.

Signed-off-by: Dimitris Lampridis <dlampridis@logikonlabs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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