Use pinctrl to configure the SoCs pins directly from the driver.
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/of_serial.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index e7cae1c..e9f3289 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/serial_reg.h>
@@ -57,6 +58,7 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
struct of_serial_info *info)
{
struct resource resource;
+ struct pinctrl *pinctrl;
struct device_node *np = ofdev->dev.of_node;
u32 clk, spd, prop;
int ret;
@@ -85,6 +87,11 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
goto out;
}
+ pinctrl = devm_pinctrl_get_select_default(&ofdev->dev);
+ if (IS_ERR(pinctrl))
+ dev_warn(&ofdev->dev,
+ "pins are not configured from the driver\n");
+
spin_lock_init(&port->lock);
port->mapbase = resource.start;
--
1.7.10.4
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