mfd: sec: Use dev_err_probe() where appropriate

dev_err_probe() exists to simplify code and harmonise error messages,
there's no reason not to use it here.

While at it, harmonise some error messages.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20250409-s2mpg10-v4-13-d66d5f39b6bf@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>

Author: andred

drivers/mfd/sec-common.c

@@ -229,9 +229,9 @@ int sec_pmic_probe(struct device *dev, unsigned long device_type,
 		num_sec_devs = ARRAY_SIZE(s2mpu05_devs);
 		break;
 	default:
-		dev_err(sec_pmic->dev, "Unsupported device type %lu\n",
-			sec_pmic->device_type);
-		return -EINVAL;
+		return dev_err_probe(sec_pmic->dev, -EINVAL,
+				     "Unsupported device type %lu\n",
+				     sec_pmic->device_type);
 	}
 	ret = devm_mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs,
 				   NULL, 0, NULL);

drivers/mfd/sec-i2c.c

@@ -134,7 +134,6 @@ static int sec_pmic_i2c_probe(struct i2c_client *client)
 	const struct regmap_config *regmap;
 	unsigned long device_type;
 	struct regmap *regmap_pmic;
-	int ret;
 
 	device_type = (unsigned long)of_device_get_match_data(&client->dev);
 
@@ -166,12 +165,9 @@ static int sec_pmic_i2c_probe(struct i2c_client *client)
 	}
 
 	regmap_pmic = devm_regmap_init_i2c(client, regmap);
-	if (IS_ERR(regmap_pmic)) {
-		ret = PTR_ERR(regmap_pmic);
-		dev_err(&client->dev, "Failed to allocate register map: %d\n",
-			ret);
-		return ret;
-	}
+	if (IS_ERR(regmap_pmic))
+		return dev_err_probe(&client->dev, PTR_ERR(regmap_pmic),
+				     "regmap init failed\n");
 
 	return sec_pmic_probe(&client->dev, device_type, client->irq,
 			      regmap_pmic, client);

drivers/mfd/sec-irq.c

@@ -487,18 +487,18 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 		sec_irq_chip = &s2mpu05_irq_chip;
 		break;
 	default:
-		dev_err(sec_pmic->dev, "Unknown device type %lu\n",
-			sec_pmic->device_type);
-		return -EINVAL;
+		return dev_err_probe(sec_pmic->dev, -EINVAL,
+				     "Unsupported device type %lu\n",
+				     sec_pmic->device_type);
 	}
 
 	ret = devm_regmap_add_irq_chip(sec_pmic->dev, sec_pmic->regmap_pmic,
 				       sec_pmic->irq, IRQF_ONESHOT,
 				       0, sec_irq_chip, &sec_pmic->irq_data);
-	if (ret != 0) {
-		dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
-		return ret;
-	}
+	if (ret != 0)
+		return dev_err_probe(sec_pmic->dev, ret,
+				     "Failed to add %s IRQ chip\n",
+				     sec_irq_chip->name);
 
 	/*
 	 * The rtc-s5m driver requests S2MPS14_IRQ_RTCA0 also for S2MPS11