diff options
Diffstat (limited to 'drivers/acpi/processor_perflib.c')
| -rw-r--r-- | drivers/acpi/processor_perflib.c | 33 |
1 files changed, 1 insertions, 32 deletions
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index a9a1a8fe319..1f0d6256302 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -165,37 +165,6 @@ void acpi_processor_ppc_exit(void) { acpi_processor_ppc_status &= ~PPC_REGISTERED; } -/* - * when registering a cpufreq driver with this ACPI processor driver, the - * _PCT and _PSS structures are read out and written into struct - * acpi_processor_performance. - */ -static int acpi_processor_set_pdc (struct acpi_processor *pr) -{ - acpi_status status = AE_OK; - u32 arg0_buf[3]; - union acpi_object arg0 = {ACPI_TYPE_BUFFER}; - struct acpi_object_list no_object = {1, &arg0}; - struct acpi_object_list *pdc; - - ACPI_FUNCTION_TRACE("acpi_processor_set_pdc"); - - arg0.buffer.length = 12; - arg0.buffer.pointer = (u8 *) arg0_buf; - arg0_buf[0] = ACPI_PDC_REVISION_ID; - arg0_buf[1] = 0; - arg0_buf[2] = 0; - - pdc = (pr->performance->pdc) ? pr->performance->pdc : &no_object; - - status = acpi_evaluate_object(pr->handle, "_PDC", pdc, NULL); - - if ((ACPI_FAILURE(status)) && (pr->performance->pdc)) - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Error evaluating _PDC, using legacy perf. control...\n")); - - return_VALUE(status); -} - static int acpi_processor_get_performance_control ( @@ -357,7 +326,7 @@ acpi_processor_get_performance_info ( if (!pr || !pr->performance || !pr->handle) return_VALUE(-EINVAL); - acpi_processor_set_pdc(pr); + acpi_processor_set_pdc(pr, pr->performance->pdc); status = acpi_get_handle(pr->handle, "_PCT", &handle); if (ACPI_FAILURE(status)) { |