ACS              3374 drivers/net/ethernet/amd/xgbe/xgbe-dev.c 	XGMAC_IOWRITE_BITS(pdata, MAC_RCR, ACS, 1);
ACS              3385 drivers/net/ethernet/amd/xgbe/xgbe-dev.c 	XGMAC_IOWRITE_BITS(pdata, MAC_RCR, ACS, 0);