ACPI: processor: change acpi_processor_eval_pdc interface
authorAlex Chiang <achiang@hp.com>
Sun, 20 Dec 2009 19:19:45 +0000 (12:19 -0700)
committerLen Brown <len.brown@intel.com>
Tue, 22 Dec 2009 08:24:15 +0000 (03:24 -0500)
acpi_processor_eval_pdc() really only needs a handle and an
acpi_object_list * to do its work.

No need to pass in a struct acpi_processor *, so let's be more specific
about what we want.

Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/processor_pdc.c

index 23d2828..974de4e 100644 (file)
@@ -97,13 +97,11 @@ static struct acpi_object_list *acpi_processor_alloc_pdc(void)
  * _PDC is required for a BIOS-OS handshake for most of the newer
  * ACPI processor features.
  */
-static int acpi_processor_eval_pdc(struct acpi_processor *pr)
+static int
+acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
 {
-       struct acpi_object_list *pdc_in = pr->pdc;
        acpi_status status = AE_OK;
 
-       if (!pdc_in)
-               return status;
        if (idle_nomwait) {
                /*
                 * If mwait is disabled for CPU C-states, the C2C3_FFH access
@@ -118,7 +116,7 @@ static int acpi_processor_eval_pdc(struct acpi_processor *pr)
                buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
 
        }
-       status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
+       status = acpi_evaluate_object(handle, "_PDC", pdc_in, NULL);
 
        if (ACPI_FAILURE(status))
                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -148,9 +146,7 @@ void acpi_processor_set_pdc(struct acpi_processor *pr)
        if (!obj_list)
                return;
 
-       pr->pdc = obj_list;
-
-       acpi_processor_eval_pdc(pr);
+       acpi_processor_eval_pdc(pr->handle, obj_list);
        acpi_processor_cleanup_pdc(pr);
 }
 EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);