net: dsa: microchip: add dev_err_probe in probe functions

Probe functions uses normal dev_err() to check error conditions
and print messages. Replace dev_err() with dev_err_probe() to
have more standardized format and error logging.
Signed-off-by: Rakesh Sankaranarayanan <rakesh.sankaranarayanan@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/ksz8863_smi.c

@@ -152,11 +152,10 @@ static int ksz8863_smi_probe(struct mdio_device *mdiodev)
 						  &regmap_smi[i], dev,
 						  &rc);
 		if (IS_ERR(dev->regmap[i])) {
-			ret = PTR_ERR(dev->regmap[i]);
-			dev_err(&mdiodev->dev,
-				"Failed to initialize regmap%i: %d\n",
-				ksz8863_regmap_config[i].val_bits, ret);
-			return ret;
+			return dev_err_probe(&mdiodev->dev,
+					     PTR_ERR(dev->regmap[i]),
+					     "Failed to initialize regmap%i\n",
+					     ksz8863_regmap_config[i].val_bits);
 		}
 	}
 

drivers/net/dsa/microchip/ksz9477_i2c.c

@@ -30,11 +30,9 @@ static int ksz9477_i2c_probe(struct i2c_client *i2c,
 		rc.lock_arg = &dev->regmap_mutex;
 		dev->regmap[i] = devm_regmap_init_i2c(i2c, &rc);
 		if (IS_ERR(dev->regmap[i])) {
-			ret = PTR_ERR(dev->regmap[i]);
-			dev_err(&i2c->dev,
-				"Failed to initialize regmap%i: %d\n",
-				ksz9477_regmap_config[i].val_bits, ret);
-			return ret;
+			return dev_err_probe(&i2c->dev, PTR_ERR(dev->regmap[i]),
+					     "Failed to initialize regmap%i\n",
+					     ksz9477_regmap_config[i].val_bits);
 		}
 	}
 

drivers/net/dsa/microchip/ksz_spi.c

@@ -71,11 +71,9 @@ static int ksz_spi_probe(struct spi_device *spi)
 		dev->regmap[i] = devm_regmap_init_spi(spi, &rc);
 
 		if (IS_ERR(dev->regmap[i])) {
-			ret = PTR_ERR(dev->regmap[i]);
-			dev_err(&spi->dev,
-				"Failed to initialize regmap%i: %d\n",
-				regmap_config[i].val_bits, ret);
-			return ret;
+			return dev_err_probe(&spi->dev, PTR_ERR(dev->regmap[i]),
+					     "Failed to initialize regmap%i\n",
+					     regmap_config[i].val_bits);
 		}
 	}