1 files changed, 7 insertions, 20 deletions

diff --git a/drivers/power/da9030_battery.c b/drivers/power/da9030_battery.c
index 3364198134a..ae6c41835ee 100644
--- a/drivers/power/da9030_battery.c
+++ b/drivers/power/da9030_battery.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/device.h>
@@ -21,6 +22,7 @@
 
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
+#include <linux/notifier.h>
 
 #define DA9030_FAULT_LOG		0x0a
 #define DA9030_FAULT_LOG_OVER_TEMP	(1 << 7)
@@ -186,8 +188,8 @@ static const struct file_operations bat_debug_fops = {
 
 static struct dentry *da9030_bat_create_debugfs(struct da9030_charger *charger)
 {
-	charger->debug_file = debugfs_create_file("charger", 0666, 0, charger,
-						 &bat_debug_fops);
+	charger->debug_file = debugfs_create_file("charger", 0666, NULL,
+						  charger, &bat_debug_fops);
 	return charger->debug_file;
 }
 
@@ -503,13 +505,13 @@ static int da9030_battery_probe(struct platform_device *pdev)
 	    pdata->charge_millivolt > 4350)
 		return -EINVAL;
 
-	charger = kzalloc(sizeof(*charger), GFP_KERNEL);
+	charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL);
 	if (charger == NULL)
 		return -ENOMEM;
 
 	charger->master = pdev->dev.parent;
 
-	/* 10 seconds between monotor runs unless platfrom defines other
+	/* 10 seconds between monitor runs unless platform defines other
 	   interval */
 	charger->interval = msecs_to_jiffies(
 		(pdata->batmon_interval ? : 10) * 1000);
@@ -555,8 +557,6 @@ err_notifier:
 	cancel_delayed_work(&charger->work);
 
 err_charger_init:
-	kfree(charger);
-
 	return ret;
 }
 
@@ -573,8 +573,6 @@ static int da9030_battery_remove(struct platform_device *dev)
 	da9030_set_charge(charger, 0);
 	power_supply_unregister(&charger->psy);
 
-	kfree(charger);
-
 	return 0;
 }
 
@@ -587,18 +585,7 @@ static struct platform_driver da903x_battery_driver = {
 	.remove = da9030_battery_remove,
 };
 
-static int da903x_battery_init(void)
-{
-	return platform_driver_register(&da903x_battery_driver);
-}
-
-static void da903x_battery_exit(void)
-{
-	platform_driver_unregister(&da903x_battery_driver);
-}
-
-module_init(da903x_battery_init);
-module_exit(da903x_battery_exit);
+module_platform_driver(da903x_battery_driver);
 
 MODULE_DESCRIPTION("DA9030 battery charger driver");
 MODULE_AUTHOR("Mike Rapoport, CompuLab");