hwmon: (acpi_power_meter) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()

These newer PM macros allow the compiler to see what code it can remove
if !CONFIG_PM_SLEEP. This allows the removal of messy #ifdef barriers whilst
achieving the same result.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20220925172759.3573439-4-jic23@kernel.orgSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/acpi_power_meter.c

@@ -927,8 +927,6 @@ static int acpi_power_meter_remove(struct acpi_device *device)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-
 static int acpi_power_meter_resume(struct device *dev)
 {
 	struct acpi_power_meter_resource *resource;
@@ -946,9 +944,8 @@ static int acpi_power_meter_resume(struct device *dev)
 	return 0;
 }
 
-#endif /* CONFIG_PM_SLEEP */
-
-static SIMPLE_DEV_PM_OPS(acpi_power_meter_pm, NULL, acpi_power_meter_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(acpi_power_meter_pm, NULL,
+				acpi_power_meter_resume);
 
 static struct acpi_driver acpi_power_meter_driver = {
 	.name = "power_meter",
@@ -959,7 +956,7 @@ static struct acpi_driver acpi_power_meter_driver = {
 		.remove = acpi_power_meter_remove,
 		.notify = acpi_power_meter_notify,
 		},
-	.drv.pm = &acpi_power_meter_pm,
+	.drv.pm = pm_sleep_ptr(&acpi_power_meter_pm),
 };
 
 /* Module init/exit routines */