| /* |
| * 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 |
| 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 (pbus->parent) |
| 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 (pbus->parent) |
| return DEVICE_ACPI_HANDLE(&(pbus->self->dev)); |
| return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus), |
| pbus->number); |
| } |
| #else |
| static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) |
| { return NULL; } |
| #endif |
| |
| #endif /* _PCI_ACPI_H_ */ |