git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * File pci-acpi.h | |
| 3 | * | |
| 4 | * Copyright (C) 2004 Intel | |
| 5 | * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _PCI_ACPI_H_ | |
| 9 | #define _PCI_ACPI_H_ | |
| 10 | ||
| 8b62091e AP |
11 | #include <linux/acpi.h> |
| 12 | ||
| 1da177e4 | 13 | #ifdef CONFIG_ACPI |
| b67ea761 RW |
14 | extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, |
| 15 | struct pci_bus *pci_bus); | |
| 16 | extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev); | |
| 17 | extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, | |
| 18 | struct pci_dev *pci_dev); | |
| 19 | extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev); | |
| 20 | ||
| 056c58e8 JS |
21 | static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) |
| 22 | { | |
| d18690af KK |
23 | struct pci_bus *pbus = pdev->bus; |
| 24 | /* Find a PCI root bus */ | |
| a222b8f8 | 25 | while (!pci_is_root_bus(pbus)) |
| d18690af KK |
26 | pbus = pbus->parent; |
| 27 | return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus), | |
| 28 | pbus->number); | |
| 056c58e8 | 29 | } |
| e8c331e9 KK |
30 | |
| 31 | static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) | |
| 32 | { | |
| 84845c07 | 33 | if (!pci_is_root_bus(pbus)) |
| 0747aaf4 KK |
34 | return DEVICE_ACPI_HANDLE(&(pbus->self->dev)); |
| 35 | return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus), | |
| 36 | pbus->number); | |
| e8c331e9 | 37 | } |
| 1da177e4 | 38 | #else |
| 056c58e8 JS |
39 | static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) |
| 40 | { return NULL; } | |
| 1da177e4 LT |
41 | #endif |
| 42 | ||
| 43 | #endif /* _PCI_ACPI_H_ */ |