diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 2e71e510e127..5b052fdd2696 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -720,6 +720,8 @@ static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, if (fc & FLOW_RX) { pr_debug("\tReceive Flow-Control ON\n"); flow |= GMAC_RX_FLOW_CTRL_RFE; + } else { + pr_debug("\tReceive Flow-Control OFF\n"); } writel(flow, ioaddr + GMAC_RX_FLOW_CTRL); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 41e71a26b1ad..14ea0168b548 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1043,8 +1043,16 @@ static void stmmac_mac_link_up(struct phylink_config *config, ctrl |= priv->hw->link.duplex; /* Flow Control operation */ - if (tx_pause && rx_pause) - stmmac_mac_flow_ctrl(priv, duplex); + if (rx_pause && tx_pause) + priv->flow_ctrl = FLOW_AUTO; + else if (rx_pause && !tx_pause) + priv->flow_ctrl = FLOW_RX; + else if (!rx_pause && tx_pause) + priv->flow_ctrl = FLOW_TX; + else + priv->flow_ctrl = FLOW_OFF; + + stmmac_mac_flow_ctrl(priv, duplex); writel(ctrl, priv->ioaddr + MAC_CTRL_REG);