PHY_M_EC_S_DSC   1453 drivers/net/ethernet/marvell/skge.h #define PHY_M_EC_S_DSC(x)	((u16)(x)<<8) /* 00=dis; 01=1x; 10=2x; 11=3x */
PHY_M_EC_S_DSC   1437 drivers/net/ethernet/marvell/sky2.h #define PHY_M_EC_S_DSC(x)	((u16)(x)<<8 & PHY_M_EC_S_DSC_MSK)