[PATCH v2 08/11] ACPI: processor: change acpi_processor_eval_pdc interface

Alex Chiang
2009-12-20T19:32:25Z

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>
---

drivers/acpi/processor_pdc.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 23d2828..974de4e 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -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);