PHY_M_EC_MAC_S   1454 drivers/net/ethernet/marvell/skge.h #define PHY_M_EC_MAC_S(x)	((u16)(x)<<4) /* 01X=0; 110=2.5; 111=25 (MHz) */
PHY_M_EC_MAC_S   1441 drivers/net/ethernet/marvell/sky2.h #define PHY_M_EC_MAC_S(x)	((u16)(x)<<4 & PHY_M_EC_MAC_S_MSK)