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