From: Sascha Hauer <redacted>

devicetrees may have the linux,stdout-path property to specify the
console. This patch adds support to the i.MX serial driver for this.

Signed-off-by: Sascha Hauer <redacted>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org>
Cc: linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Greg Kroah-Hartman <redacted>
Cc: kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org
Cc: Alan Cox <alan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: Nicolas Ferre <redacted>
---
 drivers/tty/serial/imx.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 07a8ca1..28a3193 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c

@@ -1398,6 +1398,7 @@ static int serial_imx_probe_dt(struct imx_port *sport,
 	struct device_node *np = pdev->dev.of_node;
 	const struct of_device_id *of_id =
 			of_match_device(imx_uart_dt_ids, &pdev->dev);
+	char *option = NULL;
 	int ret;
 
 	if (!np)

@@ -1419,6 +1420,9 @@ static int serial_imx_probe_dt(struct imx_port *sport,
 
 	sport->devdata = of_id->data;
 
+	if (of_device_is_stdout_path(np, &option))
+		add_preferred_console(imx_reg.cons->name, sport->port.line, option);
+
 	return 0;
 }
 #else

-- 
1.7.10.4