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authorAlexander Chiang <achiang@hp.com>2009-06-10 19:55:14 +0000
committerLen Brown <len.brown@intel.com>2009-06-17 23:22:15 -0400
commit275582031f9b3597a1b973f3ff617adfe639faa2 (patch)
tree7f4e2c43709758108042e5dcf9b89d756e5bf8e5 /include/acpi/acpi_bus.h
parentce597bb42aa84bc73db80509b7c37e7fbc0b75c4 (diff)
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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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index c34b110..96d593e 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))