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authorAlex Chiang <achiang@hp.com>2009-12-20 12:23:16 -0700
committerLen Brown <len.brown@intel.com>2009-12-22 03:33:58 -0500
commit43bab25ced218385f7e6a076c2459ea008cfd2e1 (patch)
tree21397c7ff505b58b5d9351da7b6b9628049026ee /drivers/acpi/processor_core.c
parentb9c2db783456bcbce31e2482214cd337528db295 (diff)
ACPI: processor: change acpi_processor_set_pdc() interface
When calling _PDC, we really only need the handle to the processor to call the method; we don't look at any other parts of the struct acpi_processor * given to us. In the early path, when we walk the namespace, we are given the handle directly, so just pass it through to acpi_processor_set_pdc() without stuffing it into a wasteful struct acpi_processor allocated on the stack each time This saves 2834 bytes of stack. Update the interface accordingly. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/processor_core.c')
-rw-r--r--drivers/acpi/processor_core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index a19a4ff962e..9863c98c81b 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -763,7 +763,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
}
/* _PDC call should be done before doing anything else (if reqd.). */
- acpi_processor_set_pdc(pr);
+ acpi_processor_set_pdc(pr->handle);
#ifdef CONFIG_CPU_FREQ
acpi_processor_ppc_has_changed(pr, 0);