net: ethernet: mediatek: add to stop PDMA while stopping the frame engine

Stop PDMA while the frame engine is going to stop.
Signed-off-by: Nelson Chang <nelson.chang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mediatek/mtk_eth_soc.c

@@ -1784,6 +1784,7 @@ static int mtk_stop(struct net_device *dev)
 	napi_disable(&eth->rx_napi);
 
 	mtk_stop_dma(eth, MTK_QDMA_GLO_CFG);
+	mtk_stop_dma(eth, MTK_PDMA_GLO_CFG);
 
 	mtk_dma_free(eth);