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);