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>

1 files changed, 3 insertions, 11 deletions

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index ff90054f04fd..cfc8aba72f86 100644
--- 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)