Merge branch 'net-dev_err_probe'

Yang Yingliang says:

====================
net: drivers: Switch to use dev_err_probe() helper

In the probe path, dev_err() can be replace with dev_err_probe()
which will check if error code is -EPROBE_DEFER. It will print
error code in a human readable way and simplify the code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/lantiq_gswip.c

@@ -1989,11 +1989,9 @@ static int gswip_gphy_fw_probe(struct gswip_priv *priv,
 	}
 
 	gphy_fw->reset = of_reset_control_array_get_exclusive(gphy_fw_np);
-	if (IS_ERR(gphy_fw->reset)) {
-		if (PTR_ERR(gphy_fw->reset) != -EPROBE_DEFER)
-			dev_err(dev, "Failed to lookup gphy reset\n");
-		return PTR_ERR(gphy_fw->reset);
-	}
+	if (IS_ERR(gphy_fw->reset))
+		return dev_err_probe(dev, PTR_ERR(gphy_fw->reset),
+				     "Failed to lookup gphy reset\n");
 
 	return gswip_gphy_fw_load(priv, gphy_fw);
 }

drivers/net/ethernet/ibm/emac/core.c

@@ -2979,11 +2979,9 @@ static int emac_init_config(struct emac_instance *dev)
 
 	/* Read MAC-address */
 	err = of_get_ethdev_address(np, dev->ndev);
-	if (err) {
-		if (err != -EPROBE_DEFER)
-			dev_err(&dev->ofdev->dev, "Can't get valid [local-]mac-address from OF !\n");
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&dev->ofdev->dev, err,
+				     "Can't get valid [local-]mac-address from OF !\n");
 
 	/* IAHT and GAHT filter parameterization */
 	if (emac_has_feature(dev, EMAC_FTR_EMAC4SYNC)) {

drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c

@@ -445,9 +445,7 @@ static int dwc_eth_dwmac_probe(struct platform_device *pdev)
 
 	ret = data->probe(pdev, plat_dat, &stmmac_res);
 	if (ret < 0) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to probe subdriver: %d\n",
-				ret);
+		dev_err_probe(&pdev->dev, ret, "failed to probe subdriver\n");
 
 		goto remove_config;
 	}

drivers/net/ethernet/ti/am65-cpts.c

@@ -943,9 +943,7 @@ struct am65_cpts *am65_cpts_create(struct device *dev, void __iomem *regs,
 	cpts->irq = of_irq_get_byname(node, "cpts");
 	if (cpts->irq <= 0) {
 		ret = cpts->irq ?: -ENXIO;
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get IRQ number (err = %d)\n",
-				ret);
+		dev_err_probe(dev, ret, "Failed to get IRQ number\n");
 		return ERR_PTR(ret);
 	}
 
@@ -965,8 +963,7 @@ struct am65_cpts *am65_cpts_create(struct device *dev, void __iomem *regs,
 	cpts->refclk = devm_get_clk_from_child(dev, node, "cpts");
 	if (IS_ERR(cpts->refclk)) {
 		ret = PTR_ERR(cpts->refclk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get refclk %d\n", ret);
+		dev_err_probe(dev, ret, "Failed to get refclk\n");
 		return ERR_PTR(ret);
 	}
 

drivers/net/ethernet/ti/cpsw.c

@@ -1319,8 +1319,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
 			 */
 			ret = of_phy_register_fixed_link(slave_node);
 			if (ret) {
-				if (ret != -EPROBE_DEFER)
-					dev_err(&pdev->dev, "failed to register fixed-link phy: %d\n", ret);
+				dev_err_probe(&pdev->dev, ret, "failed to register fixed-link phy\n");
 				goto err_node_put;
 			}
 			slave_data->phy_node = of_node_get(slave_node);

drivers/net/ethernet/ti/cpsw_new.c

@@ -1288,9 +1288,8 @@ static int cpsw_probe_dt(struct cpsw_common *cpsw)
 		if (of_phy_is_fixed_link(port_np)) {
 			ret = of_phy_register_fixed_link(port_np);
 			if (ret) {
-				if (ret != -EPROBE_DEFER)
-					dev_err(dev, "%pOF failed to register fixed-link phy: %d\n",
-						port_np, ret);
+				dev_err_probe(dev, ret, "%pOF failed to register fixed-link phy\n",
+					      port_np);
 				goto err_node_put;
 			}
 			slave_data->phy_node = of_node_get(port_np);

drivers/net/ethernet/xilinx/ll_temac_main.c

@@ -1563,16 +1563,12 @@ static int temac_probe(struct platform_device *pdev)
 	}
 
 	/* Error handle returned DMA RX and TX interrupts */
-	if (lp->rx_irq < 0) {
-		if (lp->rx_irq != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "could not get DMA RX irq\n");
-		return lp->rx_irq;
-	}
-	if (lp->tx_irq < 0) {
-		if (lp->tx_irq != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "could not get DMA TX irq\n");
-		return lp->tx_irq;
-	}
+	if (lp->rx_irq < 0)
+		return dev_err_probe(&pdev->dev, lp->rx_irq,
+				     "could not get DMA RX irq\n");
+	if (lp->tx_irq < 0)
+		return dev_err_probe(&pdev->dev, lp->tx_irq,
+				     "could not get DMA TX irq\n");
 
 	if (temac_np) {
 		/* Retrieve the MAC address */