/* * 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 (!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); } #else static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) { return NULL; } #endif #endif /* _PCI_ACPI_H_ */