1 files changed, 38 insertions, 33 deletions

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 42fdfd4d9d4f..e2fcdf1eec44 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -367,7 +367,6 @@ struct cpsw_priv {
 	spinlock_t			lock;
 	struct platform_device		*pdev;
 	struct net_device		*ndev;
-	struct device_node		*phy_node;
 	struct napi_struct		napi_rx;
 	struct napi_struct		napi_tx;
 	struct device			*dev;
@@ -1148,25 +1147,34 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
 		cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast,
 				   1 << slave_port, 0, 0, ALE_MCAST_FWD_2);
 
-	if (priv->phy_node)
-		slave->phy = of_phy_connect(priv->ndev, priv->phy_node,
+	if (slave->data->phy_node) {
+		slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node,
 				 &cpsw_adjust_link, 0, slave->data->phy_if);
-	else
+		if (!slave->phy) {
+			dev_err(priv->dev, "phy \"%s\" not found on slave %d\n",
+				slave->data->phy_node->full_name,
+				slave->slave_num);
+			return;
+		}
+	} else {
 		slave->phy = phy_connect(priv->ndev, slave->data->phy_id,
 				 &cpsw_adjust_link, slave->data->phy_if);
-	if (IS_ERR(slave->phy)) {
-		dev_err(priv->dev, "phy %s not found on slave %d\n",
-			slave->data->phy_id, slave->slave_num);
-		slave->phy = NULL;
-	} else {
-		phy_attached_info(slave->phy);
+		if (IS_ERR(slave->phy)) {
+			dev_err(priv->dev,
+				"phy \"%s\" not found on slave %d, err %ld\n",
+				slave->data->phy_id, slave->slave_num,
+				PTR_ERR(slave->phy));
+			slave->phy = NULL;
+			return;
+		}
+	}
 
-		phy_start(slave->phy);
+	phy_attached_info(slave->phy);
 
-		/* Configure GMII_SEL register */
-		cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface,
-			     slave->slave_num);
-	}
+	phy_start(slave->phy);
+
+	/* Configure GMII_SEL register */
+	cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, slave->slave_num);
 }
 
 static inline void cpsw_add_default_vlan(struct cpsw_priv *priv)
@@ -1251,12 +1259,12 @@ static int cpsw_ndo_open(struct net_device *ndev)
 	int i, ret;
 	u32 reg;
 
+	pm_runtime_get_sync(&priv->pdev->dev);
+
 	if (!cpsw_common_res_usage_state(priv))
 		cpsw_intr_disable(priv);
 	netif_carrier_off(ndev);
 
-	pm_runtime_get_sync(&priv->pdev->dev);
-
 	reg = priv->version;
 
 	dev_info(priv->dev, "initializing cpsw version %d.%d (%d)\n",
@@ -1940,12 +1948,11 @@ static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv,
 	slave->port_vlan = data->dual_emac_res_vlan;
 }
 
-static int cpsw_probe_dt(struct cpsw_priv *priv,
+static int cpsw_probe_dt(struct cpsw_platform_data *data,
 			 struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
 	struct device_node *slave_node;
-	struct cpsw_platform_data *data = &priv->data;
 	int i = 0, ret;
 	u32 prop;
 
@@ -2033,25 +2040,21 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
 		if (strcmp(slave_node->name, "slave"))
 			continue;
 
-		priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
+		slave_data->phy_node = of_parse_phandle(slave_node,
+							"phy-handle", 0);
 		parp = of_get_property(slave_node, "phy_id", &lenp);
-		if (of_phy_is_fixed_link(slave_node)) {
-			struct device_node *phy_node;
-			struct phy_device *phy_dev;
-
+		if (slave_data->phy_node) {
+			dev_dbg(&pdev->dev,
+				"slave[%d] using phy-handle=\"%s\"\n",
+				i, slave_data->phy_node->full_name);
+		} else if (of_phy_is_fixed_link(slave_node)) {
 			/* In the case of a fixed PHY, the DT node associated
 			 * to the PHY is the Ethernet MAC DT node.
 			 */
 			ret = of_phy_register_fixed_link(slave_node);
 			if (ret)
 				return ret;
-			phy_node = of_node_get(slave_node);
-			phy_dev = of_phy_find_device(phy_node);
-			if (!phy_dev)
-				return -ENODEV;
-			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-				 PHY_ID_FMT, phy_dev->mdio.bus->id,
-				 phy_dev->mdio.addr);
+			slave_data->phy_node = of_node_get(slave_node);
 		} else if (parp) {
 			u32 phyid;
 			struct device_node *mdio_node;
@@ -2072,7 +2075,9 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
 			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
 				 PHY_ID_FMT, mdio->name, phyid);
 		} else {
-			dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
+			dev_err(&pdev->dev,
+				"No slave[%d] phy_id, phy-handle, or fixed-link property\n",
+				i);
 			goto no_phy_slave;
 		}
 		slave_data->phy_if = of_get_phy_mode(slave_node);
@@ -2275,7 +2280,7 @@ static int cpsw_probe(struct platform_device *pdev)
 	/* Select default pin state */
 	pinctrl_pm_select_default_state(&pdev->dev);
 
-	if (cpsw_probe_dt(priv, pdev)) {
+	if (cpsw_probe_dt(&priv->data, pdev)) {
 		dev_err(&pdev->dev, "cpsw: platform data missing\n");
 		ret = -ENODEV;
 		goto clean_runtime_disable_ret;