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| author | Alexander Chiang <achiang@hp.com> | 2009-06-10 19:55:14 +0000 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-06-17 23:22:15 -0400 |
| commit | 275582031f9b3597a1b973f3ff617adfe639faa2 (patch) | |
| tree | 7f4e2c43709758108042e5dcf9b89d756e5bf8e5 /include/acpi/acpi_bus.h | |
| parent | ce597bb42aa84bc73db80509b7c37e7fbc0b75c4 (diff) | |
| download | lwn-275582031f9b3597a1b973f3ff617adfe639faa2.tar.gz lwn-275582031f9b3597a1b973f3ff617adfe639faa2.zip | |
ACPI: Introduce acpi_is_root_bridge()
Returns whether an ACPI CA node is a PCI root bridge or not.
This API is generically useful, and shouldn't just be a hotplug function.
The implementation becomes much simpler as well.
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/acpi/acpi_bus.h')
| -rw-r--r-- | include/acpi/acpi_bus.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c34b11022908..96d593ee4859 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -369,6 +369,7 @@ struct device *acpi_get_physical_pci_device(acpi_handle); /* 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); #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) |