[PATCH 4/8] pinctrl: Add third argument label for pinctrl_gpio_request() function

["Pali Rohár" <pali@kernel.org>]

This change allows to use pinctrl_gpio_request() function as a direct
pointer for dm_gpio_ops's .request callback.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 drivers/pinctrl/pinctrl-uclass.c | 3 ++-
 include/dm/pinctrl.h             | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index 38ce2b5e0ad9..ce2d5ddf6d92 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -222,9 +222,10 @@ pinctrl_gpio_get_pinctrl_and_offset(struct udevice *dev, unsigned offset,
  *
  * @dev: GPIO peripheral device
  * @offset: the GPIO pin offset from the GPIO controller
+ * @label: the GPIO pin label
  * @return: 0 on success, or negative error code on failure
  */
-int pinctrl_gpio_request(struct udevice *dev, unsigned offset)
+int pinctrl_gpio_request(struct udevice *dev, unsigned offset, const char *label)
 {
 	const struct pinctrl_ops *ops;
 	struct udevice *pctldev;
diff --git a/include/dm/pinctrl.h b/include/dm/pinctrl.h
index 5436dc4a9a71..e3e50afeaff0 100644
--- a/include/dm/pinctrl.h
+++ b/include/dm/pinctrl.h
@@ -611,10 +611,11 @@ int pinctrl_get_pin_name(struct udevice *dev, int selector, char *buf,
  * pinctrl_gpio_request() - Request a single pin to be used as GPIO
  * @dev:	GPIO peripheral device
  * @offset:	GPIO pin offset from the GPIO controller
+ * @label:	GPIO label
  *
  * Return: 0 on success, or negative error code on failure
  */
-int pinctrl_gpio_request(struct udevice *dev, unsigned offset);
+int pinctrl_gpio_request(struct udevice *dev, unsigned offset, const char *label);
 
 /**
  * pinctrl_gpio_free() - Free a single pin used as GPIO
-- 
2.20.1