| /* | 
 |  * 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); | 
 | extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); | 
 |  | 
 | 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 DEVICE_ACPI_HANDLE(pbus->bridge); | 
 | } | 
 |  | 
 | static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) | 
 | { | 
 | 	struct device *dev; | 
 |  | 
 | 	if (pci_is_root_bus(pbus)) | 
 | 		dev = pbus->bridge; | 
 | 	else | 
 | 		dev = &pbus->self->dev; | 
 |  | 
 | 	return DEVICE_ACPI_HANDLE(dev); | 
 | } | 
 | #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_ */ |