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/*
* 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_ */
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