Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / include / linux / pci-acpi.h
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
11 #include <linux/acpi.h>
12
13 #ifdef CONFIG_ACPI
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 extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
21
22 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
23 {
24         struct pci_bus *pbus = pdev->bus;
25
26         /* Find a PCI root bus */
27         while (!pci_is_root_bus(pbus))
28                 pbus = pbus->parent;
29
30         return DEVICE_ACPI_HANDLE(pbus->bridge);
31 }
32
33 static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
34 {
35         struct device *dev;
36
37         if (pci_is_root_bus(pbus))
38                 dev = pbus->bridge;
39         else
40                 dev = &pbus->self->dev;
41
42         return DEVICE_ACPI_HANDLE(dev);
43 }
44 #endif
45
46 #ifdef CONFIG_ACPI_APEI
47 extern bool aer_acpi_firmware_first(void);
48 #else
49 static inline bool aer_acpi_firmware_first(void) { return false; }
50 #endif
51
52 #endif  /* _PCI_ACPI_H_ */