return desc->name;
}
-/**
- * pin_is_valid() - check if pin exists on controller
- * @pctldev: the pin control device to check the pin on
- * @pin: pin to check, use the local pin controller index number
- *
- * This tells us whether a certain pin exist on a certain pin controller or
- * not. Pin lists may be sparse, so some pins may not exist.
- */
-bool pin_is_valid(struct pinctrl_dev *pctldev, int pin)
-{
- struct pin_desc *pindesc;
-
- if (pin < 0)
- return false;
-
- mutex_lock(&pctldev->mutex);
- pindesc = pin_desc_get(pctldev, pin);
- mutex_unlock(&pctldev->mutex);
-
- return pindesc != NULL;
-}
-EXPORT_SYMBOL_GPL(pin_is_valid);
-
/* Deletes a range of pin descriptors */
static void pinctrl_free_pindescs(struct pinctrl_dev *pctldev,
const struct pinctrl_pin_desc *pins,
extern void devm_pinctrl_unregister(struct device *dev,
struct pinctrl_dev *pctldev);
-extern bool pin_is_valid(struct pinctrl_dev *pctldev, int pin);
extern void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range);
extern void pinctrl_add_gpio_ranges(struct pinctrl_dev *pctldev,
extern const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev);
extern const char *pinctrl_dev_get_devname(struct pinctrl_dev *pctldev);
extern void *pinctrl_dev_get_drvdata(struct pinctrl_dev *pctldev);
-#else
-
-struct pinctrl_dev;
-
-/* Sufficiently stupid default functions when pinctrl is not in use */
-static inline bool pin_is_valid(struct pinctrl_dev *pctldev, int pin)
-{
- return pin >= 0;
-}
#endif /* !CONFIG_PINCTRL */