* When coming through gpiolib irqchip, the GPIO offset is not
* automatically translated to pinctrl pin number. This function can be
* used to find out the corresponding pinctrl pin.
+ *
+ * Return: a pin number and pointers to the community and pad group, which
+ * the pin belongs to, or negative error code if translation can't be done.
*/
static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned int offset,
const struct intel_community **community,
* @pin: pin number
*
* Translate the pin number of pinctrl to GPIO offset
+ *
+ * Return: a GPIO offset, or negative error code if translation can't be done.
*/
static __maybe_unused int intel_pin_to_gpio(struct intel_pinctrl *pctrl, int pin)
{