DMA_CUR_TX_BUF_ADDR 76 drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c reg_space[DMA_CUR_TX_BUF_ADDR / 4] = DMA_CUR_TX_BUF_ADDR 77 drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c readl(ioaddr + DMA_CUR_TX_BUF_ADDR);