summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/intel/pinctrl-intel.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-intel.c')
-rw-r--r--drivers/pinctrl/intel/pinctrl-intel.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 1e2f77d200f9..cf9db8ac0f42 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -1345,7 +1345,16 @@ static int intel_gpio_irq_init_hw(struct gpio_chip *gc)
return 0;
}
-static int intel_gpio_add_pin_ranges(struct gpio_chip *gc)
+/**
+ * intel_gpio_add_pin_ranges - add GPIO pin ranges for all groups in all communities
+ * @gc: GPIO chip structure
+ *
+ * This function iterates over all communities and all groups and adds the respective
+ * GPIO pin ranges, so the GPIO library will correctly map a GPIO offset to a pin number.
+ *
+ * Return: 0, or negative error code if range can't be added.
+ */
+int intel_gpio_add_pin_ranges(struct gpio_chip *gc)
{
struct intel_pinctrl *pctrl = gpiochip_get_data(gc);
const struct intel_community *community;
@@ -1362,6 +1371,7 @@ static int intel_gpio_add_pin_ranges(struct gpio_chip *gc)
return 0;
}
+EXPORT_SYMBOL_NS_GPL(intel_gpio_add_pin_ranges, "PINCTRL_INTEL");
static unsigned int intel_gpio_ngpio(const struct intel_pinctrl *pctrl)
{