DMA_INTERRUPT_ENABLE
emac_wr(priv, DMA_INTERRUPT_ENABLE,
emac_wr(priv, DMA_INTERRUPT_ENABLE, 0x0);
emac_wr(priv, DMA_INTERRUPT_ENABLE, 0x0);
val = emac_rd(priv, DMA_INTERRUPT_ENABLE);
emac_wr(priv, DMA_INTERRUPT_ENABLE, val);
val = emac_rd(priv, DMA_INTERRUPT_ENABLE);
emac_wr(priv, DMA_INTERRUPT_ENABLE, val);