1 files changed, 34 insertions, 6 deletions

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index c984462fad2a..4763252bbf85 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -133,6 +133,8 @@ static int mtk_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
 static void mtk_phy_link_adjust(struct net_device *dev)
 {
         struct mtk_mac *mac = netdev_priv(dev);
+        u16 lcl_adv = 0, rmt_adv = 0;
+        u8 flowctrl;
         u32 mcr = MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG |
                   MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN |
                   MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN |
@@ -150,11 +152,30 @@ static void mtk_phy_link_adjust(struct net_device *dev)
         if (mac->phy_dev->link)
                 mcr |= MAC_MCR_FORCE_LINK;
 
-        if (mac->phy_dev->duplex)
+        if (mac->phy_dev->duplex) {
                 mcr |= MAC_MCR_FORCE_DPX;
 
-        if (mac->phy_dev->pause)
-                mcr |= MAC_MCR_FORCE_RX_FC | MAC_MCR_FORCE_TX_FC;
+                if (mac->phy_dev->pause)
+                        rmt_adv = LPA_PAUSE_CAP;
+                if (mac->phy_dev->asym_pause)
+                        rmt_adv |= LPA_PAUSE_ASYM;
+
+                if (mac->phy_dev->advertising & ADVERTISED_Pause)
+                        lcl_adv |= ADVERTISE_PAUSE_CAP;
+                if (mac->phy_dev->advertising & ADVERTISED_Asym_Pause)
+                        lcl_adv |= ADVERTISE_PAUSE_ASYM;
+
+                flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
+
+                if (flowctrl & FLOW_CTRL_TX)
+                        mcr |= MAC_MCR_FORCE_TX_FC;
+                if (flowctrl & FLOW_CTRL_RX)
+                        mcr |= MAC_MCR_FORCE_RX_FC;
+
+                netif_dbg(mac->hw, link, dev, "rx pause %s, tx pause %s\n",
+                          flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled",
+                          flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled");
+        }
 
         mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
 
@@ -208,10 +229,16 @@ static int mtk_phy_connect(struct mtk_mac *mac)
         u32 val, ge_mode;
 
         np = of_parse_phandle(mac->of_node, "phy-handle", 0);
+        if (!np && of_phy_is_fixed_link(mac->of_node))
+                if (!of_phy_register_fixed_link(mac->of_node))
+                        np = of_node_get(mac->of_node);
         if (!np)
                 return -ENODEV;
 
         switch (of_get_phy_mode(np)) {
+        case PHY_INTERFACE_MODE_RGMII_TXID:
+        case PHY_INTERFACE_MODE_RGMII_RXID:
+        case PHY_INTERFACE_MODE_RGMII_ID:
         case PHY_INTERFACE_MODE_RGMII:
                 ge_mode = 0;
                 break;
@@ -236,7 +263,8 @@ static int mtk_phy_connect(struct mtk_mac *mac)
         mac->phy_dev->autoneg = AUTONEG_ENABLE;
         mac->phy_dev->speed = 0;
         mac->phy_dev->duplex = 0;
-        mac->phy_dev->supported &= PHY_BASIC_FEATURES;
+        mac->phy_dev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause |
+                                   SUPPORTED_Asym_Pause;
         mac->phy_dev->advertising = mac->phy_dev->supported |
                                     ADVERTISED_Autoneg;
         phy_start_aneg(mac->phy_dev);
@@ -280,7 +308,7 @@ static int mtk_mdio_init(struct mtk_eth *eth)
         return 0;
 
 err_free_bus:
-        kfree(eth->mii_bus);
+        mdiobus_free(eth->mii_bus);
 
 err_put_node:
         of_node_put(mii_np);
@@ -295,7 +323,7 @@ static void mtk_mdio_cleanup(struct mtk_eth *eth)
 
         mdiobus_unregister(eth->mii_bus);
         of_node_put(eth->mii_bus->dev.of_node);
-        kfree(eth->mii_bus);
+        mdiobus_free(eth->mii_bus);
 }
 
 static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask)