Symbol: PHY_M_EC_MAC_S
drivers/net/ethernet/marvell/skge.h
1448
#define PHY_M_EC_MAC_S(x) ((u16)(x)<<4) /* 01X=0; 110=2.5; 111=25 (MHz) */
drivers/net/ethernet/marvell/sky2.h
1435
#define PHY_M_EC_MAC_S(x) ((u16)(x)<<4 & PHY_M_EC_MAC_S_MSK)