linux/drivers/acpi/processor_pdc.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2005 Intel Corporation
 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
 *
 *      Venkatesh Pallipadi <[email protected]>
 *      - Added _PDC for platforms with Intel CPUs
 */

#define pr_fmt(fmt) …

#include <linux/slab.h>
#include <linux/acpi.h>
#include <acpi/processor.h>

#include "internal.h"

static void acpi_set_pdc_bits(u32 *buf)
{ … }

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 acpi_status
acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
{ … }

void acpi_processor_set_pdc(acpi_handle handle)
{ … }

static acpi_status __init
early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
{ … }

void __init acpi_early_processor_set_pdc(void)
{ … }