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hwmon: (acpi_power_meter) Register ACPI notify handler directly

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To facilitate subsequent conversion of the driver to a platform one,
make it install an ACPI notify handler directly instead of using
a .notify() callback in struct acpi_driver.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/2405555.ElGaqSPkdT@rafael.j.wysocki
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Rafael J. Wysocki
2026-03-01 14:18:05 +01:00
committed by Guenter Roeck
parent de19682f9e
commit a5445f7544
1 changed files with 12 additions and 2 deletions
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14
drivers/hwmon/acpi_power_meter.c
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@@ -814,8 +814,9 @@ static int read_capabilities(struct acpi_power_meter_resource *resource)
}
/* Handle ACPI event notifications */
static void acpi_power_meter_notify(struct acpi_device *device, u32 event)
static void acpi_power_meter_notify(acpi_handle handle, u32 event, void *data)
{
struct acpi_device *device = data;
struct acpi_power_meter_resource *resource = acpi_driver_data(device);
int res;
@@ -936,9 +937,16 @@ static int acpi_power_meter_add(struct acpi_device *device)
goto exit_remove;
}
res = acpi_dev_install_notify_handler(device, ACPI_DEVICE_NOTIFY,
acpi_power_meter_notify, device);
if (res)
goto exit_hwmon;
res = 0;
goto exit;
exit_hwmon:
hwmon_device_unregister(resource->hwmon_dev);
exit_remove:
remove_domain_devices(resource);
exit_free_capability:
@@ -953,6 +961,9 @@ static void acpi_power_meter_remove(struct acpi_device *device)
{
struct acpi_power_meter_resource *resource = acpi_driver_data(device);
acpi_dev_remove_notify_handler(device, ACPI_DEVICE_NOTIFY,
acpi_power_meter_notify);
if (!IS_ERR(resource->hwmon_dev))
hwmon_device_unregister(resource->hwmon_dev);
@@ -984,7 +995,6 @@ static struct acpi_driver acpi_power_meter_driver = {
.ops = {
.add = acpi_power_meter_add,
.remove = acpi_power_meter_remove,
.notify = acpi_power_meter_notify,
},
.drv.pm = pm_sleep_ptr(&acpi_power_meter_pm),
};