serial: amba-pl011: 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: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 3d569cd..062ef8c 100644 (file)
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -52,6 +52,7 @@
 #include <linux/scatterlist.h>
 #include <linux/delay.h>
 #include <linux/types.h>
+#include <linux/pinctrl/consumer.h>
 
 #include <asm/io.h>
 #include <asm/sizes.h>
@@ -1916,6 +1917,7 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
 {
        struct uart_amba_port *uap;
        struct vendor_data *vendor = id->data;
+       struct pinctrl *pinctrl;
        void __iomem *base;
        int i, ret;
 
@@ -1940,6 +1942,12 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
                goto free;
        }
 
+       pinctrl = devm_pinctrl_get_select_default(&dev->dev);
+       if (IS_ERR(pinctrl)) {
+               ret = PTR_ERR(pinctrl);
+               goto unmap;
+       }
+
        uap->clk = clk_get(&dev->dev, NULL);
        if (IS_ERR(uap->clk)) {
                ret = PTR_ERR(uap->clk);