EMAC_FTR_NO_FLOW_CONTROL_40x
if (!emac_has_feature(dev, EMAC_FTR_NO_FLOW_CONTROL_40x))
dev->features |= EMAC_FTR_NO_FLOW_CONTROL_40x;
if (!emac_has_feature(dev, EMAC_FTR_NO_FLOW_CONTROL_40x) &&
EMAC_FTR_NO_FLOW_CONTROL_40x |