Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
937 B
C
49 lines
937 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* PCI bus helpers for STMMAC driver
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* Copyright (C) 2025 Yao Zi <ziyao@disroot.org>
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*/
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#include <linux/device.h>
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#include <linux/pci.h>
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#include "stmmac_libpci.h"
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int stmmac_pci_plat_suspend(struct device *dev, void *bsp_priv)
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{
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struct pci_dev *pdev = to_pci_dev(dev);
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int ret;
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ret = pci_save_state(pdev);
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if (ret)
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return ret;
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pci_disable_device(pdev);
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pci_wake_from_d3(pdev, true);
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return 0;
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}
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EXPORT_SYMBOL_GPL(stmmac_pci_plat_suspend);
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int stmmac_pci_plat_resume(struct device *dev, void *bsp_priv)
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{
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struct pci_dev *pdev = to_pci_dev(dev);
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int ret;
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pci_restore_state(pdev);
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pci_set_power_state(pdev, PCI_D0);
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ret = pci_enable_device(pdev);
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if (ret)
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return ret;
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pci_set_master(pdev);
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return 0;
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}
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EXPORT_SYMBOL_GPL(stmmac_pci_plat_resume);
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MODULE_DESCRIPTION("STMMAC PCI helper library");
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MODULE_AUTHOR("Yao Zi <ziyao@disroot.org>");
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MODULE_LICENSE("GPL");
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