net: ethernet: mediatek: add to stop PDMA while stopping the frame engine
authorNelson Chang <nelson.chang@mediatek.com>
Mon, 26 Sep 2016 06:33:49 +0000 (14:33 +0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 27 Sep 2016 13:41:31 +0000 (09:41 -0400)
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

index 4cc50c0..62de68d 100644 (file)
@@ -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);