[PATCH] gpio: fix kernel-doc for of_gpio_need_valid_mask()

[Randy Dunlap <rdunlap@xxxxxxxxxxxxx>]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix kernel-doc for of_gpio_need_valid_mask().
Fixes this warning and uses correct Return: format.

../drivers/gpio/gpiolib-of.c:92: warning: Excess function parameter 'dev' description in 'of_gpio_need_valid_mask'

Fixes: f626d6dfb709 ("gpio: of: Break out OF-only code")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Cc: linux-gpio@xxxxxxxxxxxxxxx
---
 drivers/gpio/gpiolib-of.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- linux-next-20191008.orig/drivers/gpio/gpiolib-of.c
+++ linux-next-20191008/drivers/gpio/gpiolib-of.c
@@ -84,8 +84,9 @@ static struct gpio_desc *of_xlate_and_ge
 /**
  * of_gpio_need_valid_mask() - figure out if the OF GPIO driver needs
  * to set the .valid_mask
- * @dev: the device for the GPIO provider
- * @return: true if the valid mask needs to be set
+ * @gc: the target gpio_chip
+ *
+ * Return: true if the valid mask needs to be set
  */
 bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
 {