|  | /* | 
|  | * File		pci-acpi.h | 
|  | * | 
|  | * Copyright (C) 2004 Intel | 
|  | * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) | 
|  | */ | 
|  |  | 
|  | #ifndef _PCI_ACPI_H_ | 
|  | #define _PCI_ACPI_H_ | 
|  |  | 
|  | #include <linux/acpi.h> | 
|  |  | 
|  | #ifdef CONFIG_ACPI | 
|  | extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, | 
|  | struct pci_bus *pci_bus); | 
|  | extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev); | 
|  | extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, | 
|  | struct pci_dev *pci_dev); | 
|  | extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev); | 
|  |  | 
|  | static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) | 
|  | { | 
|  | struct pci_bus *pbus = pdev->bus; | 
|  | /* Find a PCI root bus */ | 
|  | while (!pci_is_root_bus(pbus)) | 
|  | pbus = pbus->parent; | 
|  | return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus), | 
|  | pbus->number); | 
|  | } | 
|  |  | 
|  | static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) | 
|  | { | 
|  | if (!pci_is_root_bus(pbus)) | 
|  | return DEVICE_ACPI_HANDLE(&(pbus->self->dev)); | 
|  | return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus), | 
|  | pbus->number); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #ifdef CONFIG_ACPI_APEI | 
|  | extern bool aer_acpi_firmware_first(void); | 
|  | #else | 
|  | static inline bool aer_acpi_firmware_first(void) { return false; } | 
|  | #endif | 
|  |  | 
|  | #endif	/* _PCI_ACPI_H_ */ |