static void
__dpll_pin_unregister(struct dpll_device *dpll, struct dpll_pin *pin,
		      const struct dpll_pin_ops *ops, void *priv)
static void
__dpll_pin_unregister(struct dpll_device *dpll, struct dpll_pin *pin,
		      const struct dpll_pin_ops *ops, void *priv, void *cookie)