DMA_CONTROL_FTF 222 drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c writel((csr6 | DMA_CONTROL_FTF), ioaddr + DMA_CONTROL); DMA_CONTROL_FTF 224 drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c do {} while ((readl(ioaddr + DMA_CONTROL) & DMA_CONTROL_FTF));