pinctrl: rockchip: Fix a typo in four comment lines

Adjust words in these descriptions.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-rockchip.c

@@ -136,7 +136,7 @@ struct rockchip_drv {
  * @iomux: array describing the 4 iomux sources of the bank
  * @drv: array describing the 4 drive strength sources of the bank
  * @pull_type: array describing the 4 pull type sources of the bank
- * @valid: are all necessary informations present
+ * @valid: is all necessary information present
  * @of_node: dt node of this bank
  * @drvdata: common pinctrl basedata
  * @domain: irqdomain of the gpio bank
@@ -1988,7 +1988,7 @@ static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector,
 		info->functions[selector].name, info->groups[group].name);
 
 	/*
-	 * for each pin in the pin group selected, program the correspoding pin
+	 * for each pin in the pin group selected, program the corresponding
 	 * pin function number in the config register.
 	 */
 	for (cnt = 0; cnt < info->groups[group].npins; cnt++) {
@@ -2535,7 +2535,7 @@ static int rockchip_gpio_get(struct gpio_chip *gc, unsigned offset)
 
 /*
  * gpiolib gpio_direction_input callback function. The setting of the pin
- * mux function as 'gpio input' will be handled by the pinctrl susbsystem
+ * mux function as 'gpio input' will be handled by the pinctrl subsystem
  * interface.
  */
 static int rockchip_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
@@ -2545,7 +2545,7 @@ static int rockchip_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
 
 /*
  * gpiolib gpio_direction_output callback function. The setting of the pin
- * mux function as 'gpio output' will be handled by the pinctrl susbsystem
+ * mux function as 'gpio output' will be handled by the pinctrl subsystem
  * interface.
  */
 static int rockchip_gpio_direction_output(struct gpio_chip *gc,