w1-gpio: Pinctrl-fy

Enable pinctrl for w1-gpio.
Acked-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NPantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: NEvgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/w1/masters/w1-gpio.c

@@ -16,6 +16,8 @@
 #include <linux/gpio.h>
 #include <linux/of_platform.h>
 #include <linux/of_gpio.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/err.h>
 
 #include "../w1.h"
 #include "../w1_int.h"
@@ -85,8 +87,13 @@ static int __init w1_gpio_probe(struct platform_device *pdev)
 {
 	struct w1_bus_master *master;
 	struct w1_gpio_platform_data *pdata;
+	struct pinctrl *pinctrl;
 	int err;
 
+	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+	if (IS_ERR(pinctrl))
+		dev_warn(&pdev->dev, "unable to select pin group\n");
+
 	err = w1_gpio_probe_dt(pdev);
 	if (err < 0)
 		return err;