/* SPDX-License-Identifier: GPL-2.0 */ /* * aspm.h * * PCI Express ASPM defines and function prototypes * * Copyright (C) 2007 Intel Corp. * Zhang Yanmin (yanmin.zhang@intel.com) * Shaohua Li (shaohua.li@intel.com) * * For more information, please consult the following manuals (look at * http://www.pcisig.com/ for how to get them): * * PCI Express Specification */ #ifndef LINUX_ASPM_H #define LINUX_ASPM_H #include <linux/pci.h> #define PCIE_LINK_STATE_L0S 1 #define PCIE_LINK_STATE_L1 2 #define PCIE_LINK_STATE_CLKPM 4 #ifdef CONFIG_PCIEASPM void pci_disable_link_state(struct pci_dev *pdev, int state); void pci_disable_link_state_locked(struct pci_dev *pdev, int state); void pcie_no_aspm(void); #else static inline void pci_disable_link_state(struct pci_dev *pdev, int state) { } static inline void pcie_no_aspm(void) { } #endif #endif /* LINUX_ASPM_H */