net: mdio: mux-meson-g12a: Switch to use dev_err_probe() helper

dev_err() can be replace with dev_err_probe() which will check if error
code is -EPROBE_DEFER.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220915065043.665138-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/mdio/mdio-mux-meson-g12a.c

@@ -233,11 +233,9 @@ static int g12a_ephy_glue_clk_register(struct device *dev)
 
 		snprintf(in_name, sizeof(in_name), "clkin%d", i);
 		clk = devm_clk_get(dev, in_name);
-		if (IS_ERR(clk)) {
+		if (IS_ERR(clk))
-			if (PTR_ERR(clk) != -EPROBE_DEFER)
+			return dev_err_probe(dev, PTR_ERR(clk),
-				dev_err(dev, "Missing clock %s\n", in_name);
+					     "Missing clock %s\n", in_name);
-			return PTR_ERR(clk);
-		}
 
 		parent_names[i] = __clk_get_name(clk);
 	}
@@ -317,12 +315,9 @@ static int g12a_mdio_mux_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->regs);
 
 	priv->pclk = devm_clk_get(dev, "pclk");
-	if (IS_ERR(priv->pclk)) {
+	if (IS_ERR(priv->pclk))
-		ret = PTR_ERR(priv->pclk);
+		return dev_err_probe(dev, PTR_ERR(priv->pclk),
-		if (ret != -EPROBE_DEFER)
+				     "failed to get peripheral clock\n");
-			dev_err(dev, "failed to get peripheral clock\n");
-		return ret;
-	}
 
 	/* Make sure the device registers are clocked */
 	ret = clk_prepare_enable(priv->pclk);
@@ -339,8 +334,7 @@ static int g12a_mdio_mux_probe(struct platform_device *pdev)
 	ret = mdio_mux_init(dev, dev->of_node, g12a_mdio_switch_fn,
 			    &priv->mux_handle, dev, NULL);
 	if (ret) {
-		if (ret != -EPROBE_DEFER)
+		dev_err_probe(dev, ret, "mdio multiplexer init failed\n");
-			dev_err(dev, "mdio multiplexer init failed: %d", ret);
 		goto err;
 	}