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-rw-r--r--drivers/pinctrl/intel/pinctrl-intel.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index f882a31375ee..ffc045f7bf00 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -858,6 +858,9 @@ static const struct pinctrl_desc intel_pinctrl_desc = {
* 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,
@@ -899,6 +902,8 @@ static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned int offset,
* @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)
{