diff options
Diffstat (limited to 'include/linux/pci-acpi.h')
| -rw-r--r-- | include/linux/pci-acpi.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h new file mode 100644 index 00000000000..93a7c08f869 --- /dev/null +++ b/include/linux/pci-acpi.h @@ -0,0 +1,36 @@ +/* + * 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_ */ |