// SPDX-License-Identifier: GPL-2.0
/*
* Intel MID platform PM support
*
* Copyright ( C ) 2016 , Intel Corporation
*
* Author : Andy Shevchenko < andriy . shevchenko @ linux . intel . com >
*/
#include <linux/init.h>
#include <linux/pci.h>
#include <asm /cpu_device_id.h>
#include <asm /intel-family.h>
#include <asm /intel-mid.h>
#include "pci.h"
static bool pci_mid_pm_enabled __read_mostly;
bool pci_use_mid_pm(void )
{
return pci_mid_pm_enabled;
}
int mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state)
{
return intel_mid_pci_set_power_state(pdev, state);
}
pci_power_t mid_pci_get_power_state(struct pci_dev *pdev)
{
return intel_mid_pci_get_power_state(pdev);
}
/*
* This table should be in sync with the one in
* arch / x86 / platform / intel - mid / pwr . c .
*/
static const struct x86_cpu_id lpss_cpu_ids[] = {
X86_MATCH_VFM(INTEL_ATOM_SALTWELL_MID, NULL),
X86_MATCH_VFM(INTEL_ATOM_SILVERMONT_MID, NULL),
{}
};
static int __init mid_pci_init(void )
{
const struct x86_cpu_id *id;
id = x86_match_cpu(lpss_cpu_ids);
if (id)
pci_mid_pm_enabled = true ;
return 0 ;
}
arch_initcall(mid_pci_init);
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(vorverarbeitet am 2026-09-29)
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