blob: 5c5dd502f79a60c73064b5a758493afd19f15116 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* PCI bus helpers for STMMAC driver
* Copyright (C) 2025 Yao Zi <ziyao@disroot.org>
*/
#include <linux/device.h>
#include <linux/pci.h>
#include "stmmac_libpci.h"
int stmmac_pci_plat_suspend(struct device *dev, void *bsp_priv)
{
struct pci_dev *pdev = to_pci_dev(dev);
int ret;
ret = pci_save_state(pdev);
if (ret)
return ret;
pci_disable_device(pdev);
pci_wake_from_d3(pdev, true);
return 0;
}
EXPORT_SYMBOL_GPL(stmmac_pci_plat_suspend);
int stmmac_pci_plat_resume(struct device *dev, void *bsp_priv)
{
struct pci_dev *pdev = to_pci_dev(dev);
int ret;
pci_restore_state(pdev);
pci_set_power_state(pdev, PCI_D0);
ret = pci_enable_device(pdev);
if (ret)
return ret;
pci_set_master(pdev);
return 0;
}
EXPORT_SYMBOL_GPL(stmmac_pci_plat_resume);
MODULE_DESCRIPTION("STMMAC PCI helper library");
MODULE_AUTHOR("Yao Zi <ziyao@disroot.org>");
MODULE_LICENSE("GPL");
|
