serial: mxs-auart: adopt pinctrl support

Cc: linux-serial@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 55fd362b9879..7081600bede4 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -32,6 +32,7 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/pinctrl/consumer.h>
 
 #include <asm/cacheflush.h>
 
@@ -678,6 +679,7 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
         u32 version;
         int ret = 0;
         struct resource *r;
+        struct pinctrl *pinctrl;
 
         s = kzalloc(sizeof(struct mxs_auart_port), GFP_KERNEL);
         if (!s) {
@@ -685,6 +687,12 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
                 goto out;
         }
 
+        pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+        if (IS_ERR(pinctrl)) {
+                ret = PTR_ERR(pinctrl);
+                goto out_free;
+        }
+
         s->clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(s->clk)) {
                 ret = PTR_ERR(s->clk);