diff --git a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c
index db9c392d16..6bae35633d 100644
--- a/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c
+++ b/target/linux/realtek/files-6.12/drivers/net/dsa/rtl83xx/common.c
@@ -341,21 +341,22 @@ static int __init rtl83xx_mdio_probe(struct rtl838x_switch_priv *priv)
 			continue;
 		}
 
-		/*
-		 * TODO: phylink_pcs was completely converted to the standalone PCS driver - see
-		 * rtpcs_create() below. Nevertheless we still make use of the old SerDes <sds>
-		 * attribute of the phy node for the scatterd SerDes configuration functions. As
-		 * soon as the PCS driver can completely configure the SerDes this is no longer
-		 * needed.
-		 */
-
-		if (of_property_read_u32(phy_node, "sds", &priv->ports[pn].sds_num))
-			priv->ports[pn].sds_num = -1;
-		pr_debug("%s port %d has SDS %d\n", __func__, pn, priv->ports[pn].sds_num);
-
 		pcs_node = of_parse_phandle(dn, "pcs-handle", 0);
 		priv->pcs[pn] = rtpcs_create(priv->dev, pcs_node, pn);
 
+		/*
+		 * TODO: phylink_pcs was completely converted to the standalone PCS driver - see
+		 * rtpcs_create(). Nevertheless the DSA driver still relies on the info about the
+		 * attached SerDes. As soon as the PCS driver can completely configure the SerDes
+		 * this is no longer needed.
+		 */
+
+		priv->ports[pn].sds_num = -1;
+		if (pcs_node)
+			of_property_read_u32(pcs_node, "reg", &priv->ports[pn].sds_num);
+		if (priv->ports[pn].sds_num >= 0)
+			dev_dbg(priv->dev, "port %d has SDS %d\n", pn, priv->ports[pn].sds_num);
+
 		if (of_get_phy_mode(dn, &interface))
 			interface = PHY_INTERFACE_MODE_NA;
 		if (interface == PHY_INTERFACE_MODE_USXGMII)
diff --git a/target/linux/realtek/files-6.12/drivers/net/mdio/mdio-realtek-otto.c b/target/linux/realtek/files-6.12/drivers/net/mdio/mdio-realtek-otto.c
index a7caab183b..0f55bf51f4 100644
--- a/target/linux/realtek/files-6.12/drivers/net/mdio/mdio-realtek-otto.c
+++ b/target/linux/realtek/files-6.12/drivers/net/mdio/mdio-realtek-otto.c
@@ -1424,7 +1424,7 @@ static int rtmdio_get_family(void)
 
 static int rtmdio_probe(struct platform_device *pdev)
 {
-	struct device_node *dn, *mii_np;
+	struct device_node *dn, *mii_np, *pcs_node;
 	struct device *dev = &pdev->dev;
 	struct rtmdio_bus_priv *priv;
 	struct mii_bus *bus;
@@ -1527,11 +1527,6 @@ static int rtmdio_probe(struct platform_device *pdev)
 			return -ENODEV;
 		}
 
-		if (of_property_read_u32(dn, "sds", &priv->sds_id[pn]))
-			priv->sds_id[pn] = -1;
-		else
-			pr_info("set sds port %d to %d\n", pn, priv->sds_id[pn]);
-
 		if (of_property_read_u32_array(dn, "rtl9300,smi-address", &smi_addr[0], 2)) {
 			priv->smi_bus[pn] = 0;
 			priv->smi_addr[pn] = pn;
@@ -1547,9 +1542,7 @@ static int rtmdio_probe(struct platform_device *pdev)
 
 		priv->phy_is_internal[pn] = of_property_read_bool(dn, "phy-is-integrated");
 
-		if (priv->phy_is_internal[pn] && priv->sds_id[pn] >= 0)
-			priv->smi_bus[pn]= -1;
-		else if (of_device_is_compatible(dn, "ethernet-phy-ieee802.3-c45"))
+		if (of_device_is_compatible(dn, "ethernet-phy-ieee802.3-c45"))
 			priv->smi_bus_isc45[priv->smi_bus[pn]] = true;
 	}
 
@@ -1562,13 +1555,27 @@ static int rtmdio_probe(struct platform_device *pdev)
 	for_each_node_by_name(dn, "port") {
 		if (of_property_read_u32(dn, "reg", &pn))
 			continue;
-		pr_debug("%s Looking at port %d\n", __func__, pn);
+		dev_dbg(dev, "Looking at port %d\n", pn);
 		if (pn > priv->cpu_port)
 			continue;
 		if (of_get_phy_mode(dn, &priv->interfaces[pn]))
 			priv->interfaces[pn] = PHY_INTERFACE_MODE_NA;
-		pr_debug("%s phy mode of port %d is %s\n",
-			 __func__, pn, phy_modes(priv->interfaces[pn]));
+		dev_dbg(dev, "phy mode of port %d is %s\n", pn, phy_modes(priv->interfaces[pn]));
+
+		/*
+		 * TODO: The MDIO driver does not need any info about the SerDes. As long as
+		 * the PCS driver cannot completely control the SerDes, look up the information
+		 * via the pcs-handle of the switch port node.
+		 */
+
+		priv->sds_id[pn] = -1;
+		pcs_node = of_parse_phandle(dn, "pcs-handle", 0);
+		if (pcs_node)
+			of_property_read_u32(pcs_node, "reg", &priv->sds_id[pn]);
+		if (priv->phy_is_internal[pn] && priv->sds_id[pn] >= 0)
+			priv->smi_bus[pn]= -1;
+		if (priv->sds_id[pn] >= 0)
+			dev_dbg(dev, "PHY %d has SDS %d\n", pn, priv->sds_id[pn]);
 	}
 
 	snprintf(bus->id, MII_BUS_ID_SIZE, "%s-mii", dev_name(dev));