ACPI / processor: use acpi_evaluate_ost() to replace open-coded version

Use public function acpi_evaluate_ost() to replace open-coded
version of evaluating ACPI _OST method.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index ff90054f04fdb88e15e1279b23b43d78884596f9..cfc8aba72f86d02eb0c9ae53576382b6ef76f287 100644 (file)
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -156,17 +156,9 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
  */
 static void acpi_processor_ppc_ost(acpi_handle handle, int status)
 {
-       union acpi_object params[2] = {
-               {.type = ACPI_TYPE_INTEGER,},
-               {.type = ACPI_TYPE_INTEGER,},
-       };
-       struct acpi_object_list arg_list = {2, params};
-
-       if (acpi_has_method(handle, "_OST")) {
-               params[0].integer.value = ACPI_PROCESSOR_NOTIFY_PERFORMANCE;
-               params[1].integer.value =  status;
-               acpi_evaluate_object(handle, "_OST", &arg_list, NULL);
-       }
+       if (acpi_has_method(handle, "_OST"))
+               acpi_evaluate_ost(handle, ACPI_PROCESSOR_NOTIFY_PERFORMANCE,
+                                 status, NULL);
 }
 
 int acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag)