DMA_INTR_ENA_TUE  198 drivers/net/ethernet/calxeda/xgmac.c #define DMA_INTR_ENA_TUE	0x00000004	/* Transmit Buffer Unavail */
DMA_INTR_ENA_TUE   75 drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h #define DMA_INTR_ENA_TUE 0x00000004	/* Transmit Buffer Unavailable */