[PATCH 3/4] serial: i.MX: evaluate linux,stdout-path property
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Wed Nov 21 10:57:07 EST 2012
From: Sascha Hauer <s.hauer at pengutronix.de>
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 <s.hauer at pengutronix.de>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Cc: linux-serial at vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Cc: kernel at pengutronix.de
Cc: Alan Cox <alan at linux.intel.com>
Cc: Grant Likely <grant.likely at secretlab.ca>
Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
---
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
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