The ACPI core can register the notify handler on its own,
simplifying error handling and cleanup.
Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
drivers/acpi/battery.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 4bd746f8c0ac..88899c417f15 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1060,9 +1060,8 @@ static void acpi_battery_refresh(struct acpi_battery *battery)
}
/* Driver Interface */
-static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
+static void acpi_battery_notify(struct acpi_device *device, u32 event)
{
- struct acpi_device *device = data;
struct acpi_battery *battery = acpi_driver_data(device);
struct power_supply *old;
@@ -1241,16 +1240,8 @@ static int acpi_battery_add(struct acpi_device *device)
device_init_wakeup(&device->dev, 1);
- result = acpi_dev_install_notify_handler(device, ACPI_ALL_NOTIFY,
- acpi_battery_notify, device);
- if (result)
- goto fail_pm;
-
return 0;
-fail_pm:
- device_init_wakeup(&device->dev, 0);
- unregister_pm_notifier(&battery->pm_nb);
fail:
sysfs_remove_battery(battery);
@@ -1266,9 +1257,6 @@ static void acpi_battery_remove(struct acpi_device *device)
battery = acpi_driver_data(device);
- acpi_dev_remove_notify_handler(device, ACPI_ALL_NOTIFY,
- acpi_battery_notify);
-
device_init_wakeup(&device->dev, 0);
unregister_pm_notifier(&battery->pm_nb);
sysfs_remove_battery(battery);
@@ -1297,9 +1285,11 @@ static struct acpi_driver acpi_battery_driver = {
.name = "battery",
.class = ACPI_BATTERY_CLASS,
.ids = battery_device_ids,
+ .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
.ops = {
.add = acpi_battery_add,
.remove = acpi_battery_remove,
+ .notify = acpi_battery_notify,
},
.drv.pm = pm_sleep_ptr(&acpi_battery_pm),
};
--
2.46.0
