ACPI: introduce helper function acpi_execute_simple_method()
Introduce helper function acpi_execute_simple_method() and use it in
a number of places to simplify code.
[rjw: Changelog]
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index a762716..74669ac 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -525,18 +525,14 @@
static int acpi_battery_set_alarm(struct acpi_battery *battery)
{
acpi_status status = 0;
- union acpi_object arg0 = { .type = ACPI_TYPE_INTEGER };
- struct acpi_object_list arg_list = { 1, &arg0 };
if (!acpi_battery_present(battery) ||
!test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags))
return -ENODEV;
- arg0.integer.value = battery->alarm;
-
mutex_lock(&battery->lock);
- status = acpi_evaluate_object(battery->device->handle, "_BTP",
- &arg_list, NULL);
+ status = acpi_execute_simple_method(battery->device->handle, "_BTP",
+ battery->alarm);
mutex_unlock(&battery->lock);
if (ACPI_FAILURE(status))