serial: imx: add support for half duplex rs485
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tue, 24 Feb 2015 10:17:11 +0000 (11:17 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 7 Mar 2015 02:26:33 +0000 (03:26 +0100)
The transmitter is expected to be controlled by the UART's RTS pin.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/imx.c

Simple merge