From 98751b6ec3319dcea86569675d13d54802a67e5e Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Sun, 10 Mar 2013 03:27:00 +0100
Subject: [PATCH] --- yaml --- r: 373839 b: refs/heads/master c:
 dc3465a943ed2dd5de37d3d60df5c4e11c49efcb h: refs/heads/master i:   373837:
 01e73a56d156b84bd2072fa0c507d2cf19211683   373835:
 0e8920b30b2591c6c3eb401998063c6f49ef38b3   373831:
 38ff5494a2cfb0310d62aab5d74da98919de98c7   373823:
 3d74d7a945147f8cb611d956058dd90bdfa85872 v: v3

---
 [refs]                                        |  2 +-
 trunk/drivers/gpio/gpio-rcar.c                | 23 +++++++++++++++++++
 trunk/include/linux/platform_data/gpio-rcar.h |  1 +
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 3bf3bca4240b..726a1cdab623 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 119f5e448d32c11faf22fe81f6f2d78467a47149
+refs/heads/master: dc3465a943ed2dd5de37d3d60df5c4e11c49efcb
diff --git a/trunk/drivers/gpio/gpio-rcar.c b/trunk/drivers/gpio/gpio-rcar.c
index 581ba56131a7..b4ca450947b8 100644
--- a/trunk/drivers/gpio/gpio-rcar.c
+++ b/trunk/drivers/gpio/gpio-rcar.c
@@ -22,6 +22,7 @@
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
 #include <linux/module.h>
+#include <linux/pinctrl/consumer.h>
 #include <linux/platform_data/gpio-rcar.h>
 #include <linux/platform_device.h>
 #include <linux/spinlock.h>
@@ -190,6 +191,21 @@ static void gpio_rcar_config_general_input_output_mode(struct gpio_chip *chip,
 	spin_unlock_irqrestore(&p->lock, flags);
 }
 
+static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset)
+{
+	return pinctrl_request_gpio(chip->base + offset);
+}
+
+static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset)
+{
+	pinctrl_free_gpio(chip->base + offset);
+
+	/* Set the GPIO as an input to ensure that the next GPIO request won't
+	 * drive the GPIO pin as an output.
+	 */
+	gpio_rcar_config_general_input_output_mode(chip, offset, false);
+}
+
 static int gpio_rcar_direction_input(struct gpio_chip *chip, unsigned offset)
 {
 	gpio_rcar_config_general_input_output_mode(chip, offset, false);
@@ -285,6 +301,8 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 	}
 
 	gpio_chip = &p->gpio_chip;
+	gpio_chip->request = gpio_rcar_request;
+	gpio_chip->free = gpio_rcar_free;
 	gpio_chip->direction_input = gpio_rcar_direction_input;
 	gpio_chip->get = gpio_rcar_get;
 	gpio_chip->direction_output = gpio_rcar_direction_output;
@@ -337,6 +355,11 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 				 p->config.irq_base, ret);
 	}
 
+	ret = gpiochip_add_pin_range(gpio_chip, p->config.pctl_name, 0,
+				     gpio_chip->base, gpio_chip->ngpio);
+	if (ret < 0)
+		dev_warn(&pdev->dev, "failed to add pin range\n");
+
 	return 0;
 
 err1:
diff --git a/trunk/include/linux/platform_data/gpio-rcar.h b/trunk/include/linux/platform_data/gpio-rcar.h
index bebfcd86fb80..b253f77a7ddf 100644
--- a/trunk/include/linux/platform_data/gpio-rcar.h
+++ b/trunk/include/linux/platform_data/gpio-rcar.h
@@ -20,6 +20,7 @@ struct gpio_rcar_config {
 	unsigned int gpio_base;
 	unsigned int irq_base;
 	unsigned int number_of_pins;
+	const char *pctl_name;
 };
 
 #endif /* __GPIO_RCAR_H__ */