496 	int ret;  in meson_measure_id()  local
498 	ret = mutex_lock_interruptible(&measure_lock);  in meson_measure_id()
499 	if (ret)  in meson_measure_id()
500 		return ret;  in meson_measure_id()
517 	ret = regmap_read_poll_timeout(priv->regmap, MSR_CLK_REG0,  in meson_measure_id()
519 	if (ret) {  in meson_measure_id()
521 		return ret;  in meson_measure_id()
543 	int ret;  in meson_measure_best_id()  local
547 		ret = meson_measure_id(clk_msr_id, duration);  in meson_measure_best_id()
548 		if (ret >= 0)  in meson_measure_best_id()
552 	} while (duration >= DIV_MIN && ret == -EINVAL);  in meson_measure_best_id()
554 	return ret;  in meson_measure_best_id()