GMAC_DEBUG_TFCSTS_SHIFT  452 drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c 			      >> GMAC_DEBUG_TFCSTS_SHIFT;
GMAC_DEBUG_TFCSTS_SHIFT  703 drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c 			      >> GMAC_DEBUG_TFCSTS_SHIFT;