1 /* SPDX-License-Identifier: GPL-2.0 */
5 * PCI Express ASPM defines and function prototypes
7 * Copyright (C) 2007 Intel Corp.
11 * For more information, please consult the following manuals (look at
12 * http://www.pcisig.com/ for how to get them):
14 * PCI Express Specification
20 #include <linux/pci.h>
22 #define PCIE_LINK_STATE_L0S 1
23 #define PCIE_LINK_STATE_L1 2
24 #define PCIE_LINK_STATE_CLKPM 4
26 #ifdef CONFIG_PCIEASPM
27 int pci_disable_link_state(struct pci_dev *pdev, int state);
28 int pci_disable_link_state_locked(struct pci_dev *pdev, int state);
29 void pcie_no_aspm(void);
31 static inline int pci_disable_link_state(struct pci_dev *pdev, int state)
33 static inline void pcie_no_aspm(void) { }
36 #endif /* LINUX_ASPM_H */