Configure pins by pinctrl driver.
Signed-off-by: Haojian Zhuang <haojian.zhu...@gmail.com>
---
drivers/tty/serial/pxa.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index 9033fc6..02dc771 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -37,6 +37,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/of.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
@@ -809,6 +810,7 @@ static int serial_pxa_probe_dt(struct platform_device *pdev,
struct uart_pxa_port *sport)
{
struct device_node *np = pdev->dev.of_node;
+ struct pinctrl *pinctrl;
int ret;
if (!np)
@@ -819,6 +821,10 @@ static int serial_pxa_probe_dt(struct platform_device
*pdev,
dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret);
return ret;
}
+ pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+ if (IS_ERR(pinctrl))
+ return -EPROBE_DEFER;
+
sport->port.line = ret;
return 0;
}
@@ -857,7 +863,7 @@ static int serial_pxa_probe(struct platform_device *dev)
ret = serial_pxa_probe_dt(dev, sport);
if (ret > 0)
sport->port.line = dev->id;
- else if (ret < 0)
+ if (ret < 0)
goto err_clk;
snprintf(sport->name, PXA_NAME_LEN - 1, "UART%d", sport->port.line + 1);
--
1.7.0.4
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