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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)
{
/* Find root host bridge */
while (pdev->bus->self)
pdev = pdev->bus->self;
return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus),
pdev->bus->number);
}
static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
{
int seg = pci_domain_nr(pbus), busnr = pbus->number;
struct pci_dev *bridge = pbus->self;
if (bridge)
return DEVICE_ACPI_HANDLE(&(bridge->dev));
return acpi_get_pci_rootbridge_handle(seg, busnr);
}
#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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