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path: root/drivers/acpi/processor_core.c
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Diffstat (limited to 'drivers/acpi/processor_core.c')
-rw-r--r--drivers/acpi/processor_core.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 5c78ee1860b0..fd59ae871db3 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -280,79 +280,6 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
}
EXPORT_SYMBOL_GPL(acpi_get_cpuid);
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-static bool __init
-map_processor(acpi_handle handle, phys_cpuid_t *phys_id, int *cpuid)
-{
- int type, id;
- u32 acpi_id;
- acpi_status status;
- acpi_object_type acpi_type;
- unsigned long long tmp;
- union acpi_object object = { 0 };
- struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
-
- status = acpi_get_type(handle, &acpi_type);
- if (ACPI_FAILURE(status))
- return false;
-
- switch (acpi_type) {
- case ACPI_TYPE_PROCESSOR:
- status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
- if (ACPI_FAILURE(status))
- return false;
- acpi_id = object.processor.proc_id;
-
- /* validate the acpi_id */
- if(acpi_processor_validate_proc_id(acpi_id))
- return false;
- break;
- case ACPI_TYPE_DEVICE:
- status = acpi_evaluate_integer(handle, "_UID", NULL, &tmp);
- if (ACPI_FAILURE(status))
- return false;
- acpi_id = tmp;
- break;
- default:
- return false;
- }
-
- type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0;
-
- *phys_id = __acpi_get_phys_id(handle, type, acpi_id, false);
- id = acpi_map_cpuid(*phys_id, acpi_id);
-
- if (id < 0)
- return false;
- *cpuid = id;
- return true;
-}
-
-static acpi_status __init
-set_processor_node_mapping(acpi_handle handle, u32 lvl, void *context,
- void **rv)
-{
- phys_cpuid_t phys_id;
- int cpu_id;
-
- if (!map_processor(handle, &phys_id, &cpu_id))
- return AE_ERROR;
-
- acpi_map_cpu2node(handle, cpu_id, phys_id);
- return AE_OK;
-}
-
-void __init acpi_set_processor_mapping(void)
-{
- /* Set persistent cpu <-> node mapping for all processors. */
- acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX, set_processor_node_mapping,
- NULL, NULL, NULL);
-}
-#else
-void __init acpi_set_processor_mapping(void) {}
-#endif /* CONFIG_ACPI_HOTPLUG_CPU */
-
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
static int get_ioapic_id(struct acpi_subtable_header *entry, u32 gsi_base,
u64 *phys_addr, int *ioapic_id)