diff options
| author | Alex Chiang <achiang@hp.com> | 2009-07-24 01:03:00 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-09-09 22:29:22 +0200 |
| commit | 76d56de57ae60c6be383e48e7068fd973d5fb08a (patch) | |
| tree | 732bcbbd91f7d85d658c1fc08d3ea982fcf100bb /include/acpi | |
| parent | x86/PCI: initialize PCI bus node numbers early (diff) | |
| download | linux-76d56de57ae60c6be383e48e7068fd973d5fb08a.tar.xz linux-76d56de57ae60c6be383e48e7068fd973d5fb08a.zip | |
ACPI: export acpi_pci_root and friends
We can simplify ACPI drivers if we can tell whether a handle is an
ACPI PCI root or not.
Reviewed-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acpi_bus.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c65e4ce6c3af..c3ace75d57b4 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -369,10 +369,26 @@ int register_acpi_bus_type(struct acpi_bus_type *); int unregister_acpi_bus_type(struct acpi_bus_type *); struct device *acpi_get_physical_device(acpi_handle); +struct acpi_pci_root { + struct list_head node; + struct acpi_device * device; + struct acpi_pci_id id; + struct pci_bus *bus; + u16 segment; + u8 bus_nr; + + u32 osc_support_set; /* _OSC state of support bits */ + u32 osc_control_set; /* _OSC state of control bits */ + u32 osc_control_qry; /* the latest _OSC query result */ + + u32 osc_queried:1; /* has _OSC control been queried? */ +}; + /* helper */ acpi_handle acpi_get_child(acpi_handle, acpi_integer); int acpi_is_root_bridge(acpi_handle); acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); +struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) #ifdef CONFIG_PM_SLEEP |