RGMII_DBG
# define RGMII_DBG2(d,f,x...) RGMII_DBG(d,f, ##x)
RGMII_DBG(dev, "speed(%d, %d)" NL, input, speed);
RGMII_DBG(dev, "detach(%d)" NL, input);
RGMII_DBG(dev, "attach(%d)" NL, input);