METH_DMA_TX_INT_EN
priv->dma_ctrl &= ~(METH_DMA_TX_EN | METH_DMA_TX_INT_EN |
priv->dma_ctrl &= ~(METH_DMA_TX_INT_EN);
priv->dma_ctrl &= ~(METH_DMA_TX_INT_EN);
priv->dma_ctrl |= METH_DMA_TX_INT_EN;