Merge tag 'pinctrl-v4.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...

[linux-2.6-microblaze.git] / drivers / gpio / gpiolib.c

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 55d596f..5dfd3c1 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2078,6 +2078,11 @@ EXPORT_SYMBOL_GPL(gpiochip_generic_config);
  * @pctldev: the pin controller to map to
  * @gpio_offset: the start offset in the current gpio_chip number space
  * @pin_group: name of the pin group inside the pin controller
+ *
+ * Calling this function directly from a DeviceTree-supported
+ * pinctrl driver is DEPRECATED. Please see Section 2.1 of
+ * Documentation/devicetree/bindings/gpio/gpio.txt on how to
+ * bind pinctrl and gpio drivers via the "gpio-ranges" property.
  */
 int gpiochip_add_pingroup_range(struct gpio_chip *chip,
                        struct pinctrl_dev *pctldev,
@@ -2131,6 +2136,11 @@ EXPORT_SYMBOL_GPL(gpiochip_add_pingroup_range);
  *
  * Returns:
  * 0 on success, or a negative error-code on failure.
+ *
+ * Calling this function directly from a DeviceTree-supported
+ * pinctrl driver is DEPRECATED. Please see Section 2.1 of
+ * Documentation/devicetree/bindings/gpio/gpio.txt on how to
+ * bind pinctrl and gpio drivers via the "gpio-ranges" property.
  */
 int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
                           unsigned int gpio_offset, unsigned int pin_offset,