ACPI: AC: Install Notify() handler directly
[linux-2.6-microblaze.git] / drivers / acpi / ac.c
index 1ace70b..225dc68 100644 (file)
@@ -34,7 +34,7 @@ MODULE_LICENSE("GPL");
 
 static int acpi_ac_add(struct acpi_device *device);
 static void acpi_ac_remove(struct acpi_device *device);
-static void acpi_ac_notify(struct acpi_device *device, u32 event);
+static void acpi_ac_notify(acpi_handle handle, u32 event, void *data);
 
 static const struct acpi_device_id ac_device_ids[] = {
        {"ACPI0003", 0},
@@ -54,11 +54,9 @@ static struct acpi_driver acpi_ac_driver = {
        .name = "ac",
        .class = ACPI_AC_CLASS,
        .ids = ac_device_ids,
-       .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
        .ops = {
                .add = acpi_ac_add,
                .remove = acpi_ac_remove,
-               .notify = acpi_ac_notify,
                },
        .drv.pm = &acpi_ac_pm,
 };
@@ -128,8 +126,9 @@ static enum power_supply_property ac_props[] = {
 };
 
 /* Driver Model */
-static void acpi_ac_notify(struct acpi_device *device, u32 event)
+static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
 {
+       struct acpi_device *device = data;
        struct acpi_ac *ac = acpi_driver_data(device);
 
        if (!ac)
@@ -235,7 +234,7 @@ static int acpi_ac_add(struct acpi_device *device)
 
        result = acpi_ac_get_state(ac);
        if (result)
-               goto end;
+               goto err_release_ac;
 
        psy_cfg.drv_data = ac;
 
@@ -248,7 +247,7 @@ static int acpi_ac_add(struct acpi_device *device)
                                            &ac->charger_desc, &psy_cfg);
        if (IS_ERR(ac->charger)) {
                result = PTR_ERR(ac->charger);
-               goto end;
+               goto err_release_ac;
        }
 
        pr_info("%s [%s] (%s)\n", acpi_device_name(device),
@@ -256,9 +255,19 @@ static int acpi_ac_add(struct acpi_device *device)
 
        ac->battery_nb.notifier_call = acpi_ac_battery_notify;
        register_acpi_notifier(&ac->battery_nb);
-end:
+
+       result = acpi_dev_install_notify_handler(device, ACPI_ALL_NOTIFY,
+                                                acpi_ac_notify);
        if (result)
-               kfree(ac);
+               goto err_unregister;
+
+       return 0;
+
+err_unregister:
+       power_supply_unregister(ac->charger);
+       unregister_acpi_notifier(&ac->battery_nb);
+err_release_ac:
+       kfree(ac);
 
        return result;
 }
@@ -297,6 +306,8 @@ static void acpi_ac_remove(struct acpi_device *device)
 
        ac = acpi_driver_data(device);
 
+       acpi_dev_remove_notify_handler(device, ACPI_ALL_NOTIFY,
+                                      acpi_ac_notify);
        power_supply_unregister(ac->charger);
        unregister_acpi_notifier(&ac->battery_nb);