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serial: imx: Use common rs485 device tree parsing function 

This adds support for the rs485 specific properties defined in
Documentation/devicetree/bindings/serial/rs485.txt.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Forwarded: id:20170913081833.2740-7-u.kleine-koenig@pengutronix.de (v5)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sascha Hauer 2017-09-21 10:13:11 +02:00 committed by Greg Kroah-Hartman
parent be7da1a2b7
commit 8b25deb18b
1 changed files with 3 additions and 1 deletions
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4
drivers/tty/serial/imx.c
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@ -2051,6 +2051,8 @@ static int serial_imx_probe_dt(struct imx_port *sport,
if (of_get_property(np, "rts-gpios", NULL)) if (of_get_property(np, "rts-gpios", NULL))
sport->have_rtsgpio = 1; sport->have_rtsgpio = 1;
of_get_rs485_mode(np, &sport->port.rs485);
return 0; return 0;
} }
#else #else
@ -2112,7 +2114,7 @@ static int serial_imx_probe(struct platform_device *pdev)
sport->port.fifosize = 32; sport->port.fifosize = 32;
sport->port.ops = &imx_pops; sport->port.ops = &imx_pops;
sport->port.rs485_config = imx_rs485_config; sport->port.rs485_config = imx_rs485_config;
sport->port.rs485.flags = SER_RS485_RTS_ON_SEND; sport->port.rs485.flags |= SER_RS485_RTS_ON_SEND;
sport->port.flags = UPF_BOOT_AUTOCONF; sport->port.flags = UPF_BOOT_AUTOCONF;
init_timer(&sport->timer); init_timer(&sport->timer);
sport->timer.function = imx_timeout; sport->timer.function = imx_timeout;