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power_supply: max8998: Use devm_power_supply_register

PATCH Superseded Vaishali Thakkar 2 participants 2 messages Aug 12, 2015

v1 of 2 Superseded Latest is v2 →

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#0 lore raw

PATCH 1/1 power_supply: max8998: Use devm_power_supply_register

Use managed resource function devm_power_supply_register instead of power_supply_register. To be compatible with the change, replace various gotos by direct returns and remove unneeded label err.

Also, remove max8998_battery_remove as it is now redundant.

---
 drivers/power/max8998_charger.c | 28 +++++++---------------------
 1 file changed, 7 insertions(+), 21 deletions(-)
drivers/power/max8998_charger.c +7 -21
index 47448d4..6014df5 100644
@@ -117,8 +117,7 @@ static int max8998_battery_probe(struct platform_device *pdev)
 			"EOC value not set: leave it unchanged.\n");
 	} else {
 		dev_err(max8998->dev, "Invalid EOC value\n");
-		ret = -EINVAL;
-		goto err;
+		return -EINVAL;
 	}
 
 	/* Setup Charge Restart Level */
@@ -141,8 +140,7 @@ static int max8998_battery_probe(struct platform_device *pdev)
 		break;
 	default:
 		dev_err(max8998->dev, "Invalid Restart Level\n");
-		ret = -EINVAL;
-		goto err;
+		return -EINVAL;
 	}
 
 	/* Setup Charge Full Timeout */
@@ -165,34 +163,22 @@ static int max8998_battery_probe(struct platform_device *pdev)
 		break;
 	default:
 		dev_err(max8998->dev, "Invalid Full Timeout value\n");
-		ret = -EINVAL;
-		goto err;
+		return -EINVAL;
 	}
 
 	psy_cfg.drv_data = max8998;
 
-	max8998->battery = power_supply_register(max8998->dev,
-						 &max8998_battery_desc,
-						 &psy_cfg);
+	max8998->battery = devm_power_supply_register(max8998->dev,
+						      &max8998_battery_desc,
+						      &psy_cfg);
 	if (IS_ERR(max8998->battery)) {
 		ret = PTR_ERR(max8998->battery);
 		dev_err(max8998->dev, "failed: power supply register: %d\n",
 			ret);
-		goto err;
+		return ret;
 	}
 
 	return 0;
-err:
-	return ret;
-}
-
-static int max8998_battery_remove(struct platform_device *pdev)
-{
-	struct max8998_battery_data *max8998 = platform_get_drvdata(pdev);
-
-	power_supply_unregister(max8998->battery);
-
-	return 0;
 }
 
 static const struct platform_device_id max8998_battery_id[] = {
Signature · 1 line
1.9.1
#1 lore raw

2015-08-13 0:06 GMT+09:00 Vaishali Thakkar <[email protected]>:

Quoted 3 lines

Use managed resource function devm_power_supply_register instead of power_supply_register.

Please describe: Why? What is the reason for such change?
I can't find any significant simplifications, just one remove() disappears.

Best regards,
Krzysztof

Quoted 82 lines

To be compatible with the
change, replace various gotos by direct returns and remove unneeded label err.

Also, remove max8998_battery_remove as it is now redundant.

---
 drivers/power/max8998_charger.c | 28 +++++++---------------------
 1 file changed, 7 insertions(+), 21 deletions(-)
drivers/power/max8998_charger.c +7 -22
index 47448d4..6014df5 100644
@@ -117,8 +117,7 @@ static int max8998_battery_probe(struct platform_device *pdev)
                        "EOC value not set: leave it unchanged.\n");
        } else {
                dev_err(max8998->dev, "Invalid EOC value\n");
-               ret = -EINVAL;
-               goto err;
+               return -EINVAL;
        }
 
        /* Setup Charge Restart Level */
@@ -141,8 +140,7 @@ static int max8998_battery_probe(struct platform_device *pdev)
                break;
        default:
                dev_err(max8998->dev, "Invalid Restart Level\n");
-               ret = -EINVAL;
-               goto err;
+               return -EINVAL;
        }
 
        /* Setup Charge Full Timeout */
@@ -165,34 +163,22 @@ static int max8998_battery_probe(struct platform_device *pdev)
                break;
        default:
                dev_err(max8998->dev, "Invalid Full Timeout value\n");
-               ret = -EINVAL;
-               goto err;
+               return -EINVAL;
        }
 
        psy_cfg.drv_data = max8998;
 
-       max8998->battery = power_supply_register(max8998->dev,
-                                                &max8998_battery_desc,
-                                                &psy_cfg);
+       max8998->battery = devm_power_supply_register(max8998->dev,
+                                                     &max8998_battery_desc,
+                                                     &psy_cfg);
        if (IS_ERR(max8998->battery)) {
                ret = PTR_ERR(max8998->battery);
                dev_err(max8998->dev, "failed: power supply register: %d\n",
                        ret);
-               goto err;
+               return ret;
        }
 
        return 0;
-err:
-       return ret;
-}
-
-static int max8998_battery_remove(struct platform_device *pdev)
-{
-       struct max8998_battery_data *max8998 = platform_get_drvdata(pdev);
-
-       power_supply_unregister(max8998->battery);
-
-       return 0;
 }
 
 static const struct platform_device_id max8998_battery_id[] = {
--

1.9.1

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