rcar_gen4_ptp_register
EXPORT_SYMBOL_GPL(rcar_gen4_ptp_register);
int rcar_gen4_ptp_register(struct rcar_gen4_ptp_private *ptp_priv, u32 rate);
err = rcar_gen4_ptp_register(priv->ptp_priv, clk_get_rate(priv->clk));
ret = rcar_gen4_ptp_register(priv->ptp_priv, clk_get_rate(priv->clk));