diff --git a/target/linux/mediatek/files-5.4/drivers/net/phy/mtk/mt753x/mt753x_mdio.c b/target/linux/mediatek/files-5.4/drivers/net/phy/mtk/mt753x/mt753x_mdio.c
old mode 100755
new mode 100644
index 3639df1..c57a5a2
--- a/target/linux/mediatek/files-5.4/drivers/net/phy/mtk/mt753x/mt753x_mdio.c
+++ b/target/linux/mediatek/files-5.4/drivers/net/phy/mtk/mt753x/mt753x_mdio.c
@@ -33,19 +33,24 @@
 static struct mt753x_sw_id *mt753x_sw_ids[] = {
 	&mt7530_id,
 	&mt7531_id,
+	&mt7988_id,
 };
 
 u32 mt753x_reg_read(struct gsw_mt753x *gsw, u32 reg)
 {
 	u32 high, low;
 
-	mutex_lock(&gsw->host_bus->mdio_lock);
+	if (gsw->direct_access)
+		return __raw_readl(gsw->base + reg);
 
+	mutex_lock(&gsw->host_bus->mdio_lock);
 	gsw->host_bus->write(gsw->host_bus, gsw->smi_addr, 0x1f,
-		(reg & MT753X_REG_PAGE_ADDR_M) >> MT753X_REG_PAGE_ADDR_S);
+			     (reg & MT753X_REG_PAGE_ADDR_M) >>
+				     MT753X_REG_PAGE_ADDR_S);
 
 	low = gsw->host_bus->read(gsw->host_bus, gsw->smi_addr,
-		(reg & MT753X_REG_ADDR_M) >> MT753X_REG_ADDR_S);
+				  (reg & MT753X_REG_ADDR_M) >>
+					  MT753X_REG_ADDR_S);
 
 	high = gsw->host_bus->read(gsw->host_bus, gsw->smi_addr, 0x10);
 
@@ -56,17 +61,24 @@
 
 void mt753x_reg_write(struct gsw_mt753x *gsw, u32 reg, u32 val)
 {
-	mutex_lock(&gsw->host_bus->mdio_lock);
-
-	gsw->host_bus->write(gsw->host_bus, gsw->smi_addr, 0x1f,
-		(reg & MT753X_REG_PAGE_ADDR_M) >> MT753X_REG_PAGE_ADDR_S);
+	if (gsw->direct_access) {
+		__raw_writel(val, gsw->base + reg);
+	} else {
+		mutex_lock(&gsw->host_bus->mdio_lock);
+		gsw->host_bus->write(gsw->host_bus, gsw->smi_addr, 0x1f,
+				     (reg & MT753X_REG_PAGE_ADDR_M) >>
+					     MT753X_REG_PAGE_ADDR_S);
 
-	gsw->host_bus->write(gsw->host_bus, gsw->smi_addr,
-		(reg & MT753X_REG_ADDR_M) >> MT753X_REG_ADDR_S, val & 0xffff);
+		gsw->host_bus->write(gsw->host_bus, gsw->smi_addr,
+				     (reg & MT753X_REG_ADDR_M) >>
+					     MT753X_REG_ADDR_S,
+				     val & 0xffff);
 
-	gsw->host_bus->write(gsw->host_bus, gsw->smi_addr, 0x10, val >> 16);
+		gsw->host_bus->write(gsw->host_bus, gsw->smi_addr, 0x10,
+				     val >> 16);
 
-	mutex_unlock(&gsw->host_bus->mdio_lock);
+		mutex_unlock(&gsw->host_bus->mdio_lock);
+	}
 }
 
 /* Indirect MDIO clause 22/45 access */
@@ -89,8 +101,7 @@
 			return -ETIMEDOUT;
 	}
 
-	val = (st << MDIO_ST_S) |
-	      ((cmd << MDIO_CMD_S) & MDIO_CMD_M) |
+	val = (st << MDIO_ST_S) | ((cmd << MDIO_CMD_S) & MDIO_CMD_M) |
 	      ((phy << MDIO_PHY_ADDR_S) & MDIO_PHY_ADDR_M) |
 	      ((reg << MDIO_REG_ADDR_S) & MDIO_REG_ADDR_M);
 
@@ -182,19 +193,19 @@
 
 	mt753x_mii_rw(gsw, addr, MII_MMD_ACC_CTL_REG,
 		      (MMD_ADDR << MMD_CMD_S) |
-		      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
+			      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
 		      MDIO_CMD_WRITE, MDIO_ST_C22);
 
-	mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, reg,
-		      MDIO_CMD_WRITE, MDIO_ST_C22);
+	mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, reg, MDIO_CMD_WRITE,
+		      MDIO_ST_C22);
 
 	mt753x_mii_rw(gsw, addr, MII_MMD_ACC_CTL_REG,
 		      (MMD_DATA << MMD_CMD_S) |
-		      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
+			      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
 		      MDIO_CMD_WRITE, MDIO_ST_C22);
 
-	val = mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, 0,
-			    MDIO_CMD_READ, MDIO_ST_C22);
+	val = mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, 0, MDIO_CMD_READ,
+			    MDIO_ST_C22);
 
 	mutex_unlock(&gsw->mii_lock);
 
@@ -211,19 +222,19 @@
 
 	mt753x_mii_rw(gsw, addr, MII_MMD_ACC_CTL_REG,
 		      (MMD_ADDR << MMD_CMD_S) |
-		      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
+			      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
 		      MDIO_CMD_WRITE, MDIO_ST_C22);
 
-	mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, reg,
-		      MDIO_CMD_WRITE, MDIO_ST_C22);
+	mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, reg, MDIO_CMD_WRITE,
+		      MDIO_ST_C22);
 
 	mt753x_mii_rw(gsw, addr, MII_MMD_ACC_CTL_REG,
 		      (MMD_DATA << MMD_CMD_S) |
-		      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
+			      ((devad << MMD_DEVAD_S) & MMD_DEVAD_M),
 		      MDIO_CMD_WRITE, MDIO_ST_C22);
 
-	mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, val,
-		      MDIO_CMD_WRITE, MDIO_ST_C22);
+	mt753x_mii_rw(gsw, addr, MII_MMD_ADDR_DATA_REG, val, MDIO_CMD_WRITE,
+		      MDIO_ST_C22);
 
 	mutex_unlock(&gsw->mii_lock);
 }
@@ -239,6 +250,7 @@
 	struct device_node *fixed_link_node;
 	struct mt753x_port_cfg *port_cfg;
 	u32 port;
+	int ret;
 
 	for_each_child_of_node(gsw->dev->of_node, port_np) {
 		if (!of_device_is_compatible(port_np, "mediatek,mt753x-port"))
@@ -269,8 +281,8 @@
 
 		port_cfg->np = port_np;
 
-		port_cfg->phy_mode = of_get_phy_mode(port_np);
-		if (port_cfg->phy_mode < 0) {
+		ret = of_get_phy_mode(port_cfg->np);
+		if (ret < 0) {
 			dev_info(gsw->dev, "incorrect phy-mode %d\n", port);
 			continue;
 		}
@@ -303,6 +315,7 @@
 			case 2500:
 				port_cfg->speed = MAC_SPD_2500;
 				break;
+
 			default:
 				dev_info(gsw->dev, "incorrect speed %d\n",
 					 speed);
@@ -310,10 +323,10 @@
 			}
 		}
 
-		port_cfg->ssc_on = of_property_read_bool(port_cfg->np,
-							 "mediatek,ssc-on");
-		port_cfg->stag_on = of_property_read_bool(port_cfg->np,
-							  "mediatek,stag-on");
+		port_cfg->ssc_on =
+			of_property_read_bool(port_cfg->np, "mediatek,ssc-on");
+		port_cfg->stag_on =
+			of_property_read_bool(port_cfg->np, "mediatek,stag-on");
 		port_cfg->enabled = 1;
 	}
 }
@@ -438,7 +451,6 @@
 	mutex_unlock(&mt753x_devs_lock);
 }
 
-
 struct gsw_mt753x *mt753x_get_gsw(u32 id)
 {
 	struct gsw_mt753x *dev;
@@ -505,8 +517,8 @@
 
 	gsw->reset_pin = of_get_named_gpio(np, "reset-gpios", 0);
 	if (gsw->reset_pin < 0) {
-		dev_err(gsw->dev, "Missing reset pin of switch\n");
-		return ret;
+		dev_info(gsw->dev, "No reset pin of switch\n");
+		return 0;
 	}
 
 	ret = devm_gpio_request(gsw->dev, gsw->reset_pin, "mt753x-reset");
@@ -523,7 +535,7 @@
 
 	return 0;
 }
-#if 1 //XDXDXDXD
+
 static int mt753x_mdio_read(struct mii_bus *bus, int addr, int reg)
 {
 	struct gsw_mt753x *gsw = bus->priv;
@@ -540,8 +552,7 @@
 	return 0;
 }
 
-static const struct net_device_ops mt753x_dummy_netdev_ops = {
-};
+static const struct net_device_ops mt753x_dummy_netdev_ops = {};
 
 static void mt753x_phy_link_handler(struct net_device *dev)
 {
@@ -552,8 +563,8 @@
 
 	if (phydev->link) {
 		dev_info(gsw->dev,
-			 "Port %d Link is Up - %s/%s - flow control %s\n",
-			 port, phy_speed_to_str(phydev->speed),
+			 "Port %d Link is Up - %s/%s - flow control %s\n", port,
+			 phy_speed_to_str(phydev->speed),
 			 (phydev->duplex == DUPLEX_FULL) ? "Full" : "Half",
 			 phydev->pause ? "rx/tx" : "off");
 	} else {
@@ -566,7 +577,8 @@
 {
 	struct device_node *phy_np;
 	struct mt753x_phy *phy;
-	int phy_mode;
+	phy_interface_t iface;
+	int ret;
 	u32 phyad;
 
 	if (!mii_np)
@@ -579,10 +591,10 @@
 		if (phyad >= MT753X_NUM_PHYS)
 			continue;
 
-		phy_mode = of_get_phy_mode(phy_np);
-		if (phy_mode < 0) {
+		ret = of_get_phy_mode(phy_np);
+		if (ret < 0) {
 			dev_info(gsw->dev, "incorrect phy-mode %d for PHY %d\n",
-				 phy_mode, phyad);
+				 iface, phyad);
 			continue;
 		}
 
@@ -593,7 +605,7 @@
 		phy->netdev.netdev_ops = &mt753x_dummy_netdev_ops;
 
 		phy->phydev = of_phy_connect(&phy->netdev, phy_np,
-					mt753x_phy_link_handler, 0, phy_mode);
+					     mt753x_phy_link_handler, 0, iface);
 		if (!phy->phydev) {
 			dev_info(gsw->dev, "could not connect to PHY %d\n",
 				 phyad);
@@ -640,7 +652,7 @@
 	gsw->gphy_bus->priv = gsw;
 	gsw->gphy_bus->parent = gsw->dev;
 	gsw->gphy_bus->phy_mask = BIT(MT753X_NUM_PHYS) - 1;
-//	gsw->gphy_bus->irq = gsw->phy_irqs;
+	//	gsw->gphy_bus->irq = gsw->phy_irqs;
 
 	for (i = 0; i < PHY_MAX_ADDR; i++)
 		gsw->gphy_bus->irq[i] = PHY_POLL;
@@ -655,7 +667,6 @@
 	ret = of_mdiobus_register(gsw->gphy_bus, mii_np);
 
 	if (ret) {
-		devm_mdiobus_free(gsw->dev, gsw->gphy_bus);
 		gsw->gphy_bus = NULL;
 	} else {
 		if (gsw->phy_status_poll)
@@ -668,7 +679,6 @@
 
 	return ret;
 }
-#endif
 
 static irqreturn_t mt753x_irq_handler(int irq, void *dev)
 {
@@ -710,8 +720,10 @@
 	mutex_init(&gsw->mii_lock);
 
 	/* Switch hard reset */
-	if (mt753x_hw_reset(gsw))
+	if (mt753x_hw_reset(gsw)) {
+		dev_info(&pdev->dev, "reset switch fail.\n");
 		goto fail;
+	}
 
 	/* Fetch the SMI address dirst */
 	if (of_property_read_u32(np, "mediatek,smi-addr", &gsw->smi_addr))
@@ -768,8 +780,8 @@
 
 	platform_set_drvdata(pdev, gsw);
 
-	gsw->phy_status_poll = of_property_read_bool(gsw->dev->of_node,
-						     "mediatek,phy-poll");
+	gsw->phy_status_poll =
+		of_property_read_bool(gsw->dev->of_node, "mediatek,phy-poll");
 
 	mt753x_add_gsw(gsw);
 #if 1 //XDXD
@@ -825,7 +837,7 @@
 
 static const struct of_device_id mt753x_ids[] = {
 	{ .compatible = "mediatek,mt753x" },
-	{ },
+	{},
 };
 
 MODULE_DEVICE_TABLE(of, mt753x_ids);