From: Dimitris Lampridis <dlampridis@logikonlabs.com>
Date: Thu, 13 Mar 2014 13:11:47 +0000 (+0200)
Subject: tty/serial: omap: empty the RX FIFO at the end of half-duplex TX
X-Git-Tag: v3.15-rc1~138^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a13884abea08a5043b98d9374486ec859d1e03a;p=pandora-kernel.git

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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