tty: serial: imx: 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>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index e7fecee..ec20673 100644 (file)
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -47,6 +47,7 @@
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/pinctrl/consumer.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -1464,6 +1465,7 @@ static int serial_imx_probe(struct platform_device *pdev)
        void __iomem *base;
        int ret = 0;
        struct resource *res;
+       struct pinctrl *pinctrl;
 
        sport = kzalloc(sizeof(*sport), GFP_KERNEL);
        if (!sport)
@@ -1503,6 +1505,12 @@ static int serial_imx_probe(struct platform_device *pdev)
        sport->timer.function = imx_timeout;
        sport->timer.data     = (unsigned long)sport;
 
+       pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+       if (IS_ERR(pinctrl)) {
+               ret = PTR_ERR(pinctrl);
+               goto unmap;
+       }
+
        sport->clk = clk_get(&pdev->dev, "uart");
        if (IS_ERR(sport->clk)) {
                ret = PTR_ERR(sport->clk);