tty: atmel_serial: add pinctrl support

Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 3d7e1ee2fa5..65f891be12d 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -39,6 +39,7 @@
 #include <linux/atmel_pdc.h>
 #include <linux/atmel_serial.h>
 #include <linux/uaccess.h>
+#include <linux/pinctrl/consumer.h>
 
 #include <asm/io.h>
 #include <asm/ioctls.h>
@@ -1773,6 +1774,7 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev)
         struct atmel_uart_data *pdata = pdev->dev.platform_data;
         void *data;
         int ret = -ENODEV;
+        struct pinctrl *pinctrl;
 
         BUILD_BUG_ON(ATMEL_SERIAL_RINGSIZE & (ATMEL_SERIAL_RINGSIZE - 1));
 
@@ -1805,6 +1807,12 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev)
 
         atmel_init_port(port, pdev);
 
+        pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+        if (IS_ERR(pinctrl)) {
+                ret = PTR_ERR(pinctrl);
+                goto err;
+        }
+
         if (!atmel_use_dma_rx(&port->uart)) {
                 ret = -ENOMEM;
                 data = kmalloc(sizeof(struct atmel_uart_char)