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>

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 55fd362..7081600 100644 (file)
--- 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);