| Message ID | 20191111065129.30078-4-Mark-MC.Lee@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Rework mt762x GDM setup flow | expand |
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index b147ab0e44ce..5fe1ab0c16cc 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2279,6 +2279,8 @@ static int mtk_stop(struct net_device *dev) if (!refcount_dec_and_test(ð->dma_refcnt)) return 0; + mtk_gdm_config(eth, MTK_GDMA_DROP_ALL); + mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); mtk_rx_irq_disable(eth, MTK_RX_DONE_INT); napi_disable(ð->tx_napi); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index b16d8d9b196a..85830fe14a1b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -85,6 +85,7 @@ #define MTK_GDMA_TCS_EN BIT(21) #define MTK_GDMA_UCS_EN BIT(20) #define MTK_GDMA_TO_PDMA 0x0 +#define MTK_GDMA_DROP_ALL 0x7777 /* Unicast Filter MAC Address Register - Low */ #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000))
Enable GDM GDMA_DROP_ALL mode to drop all packet during the stop operation. This is recommended by the mt762x HW design to drop all packet from GMAC before stopping PDMA. Signed-off-by: MarkLee <Mark-MC.Lee@mediatek.com> -- v1->v2: * no change --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++ drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + 2 files changed, 3 insertions(+)