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ACPI: Introduce acpi_is_root_bridge()

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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>
This commit is contained in:
Alexander Chiang
2009-06-10 19:55:14 +00:00
committed by Len Brown
parent ce597bb42a
commit 275582031f
5 changed files with 28 additions and 40 deletions
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2
drivers/pci/hotplug/acpiphp_glue.c
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@ -1631,7 +1631,7 @@ find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
{
int *count = (int *)context;
if (acpi_root_bridge(handle)) {
if (acpi_is_root_bridge(handle)) {
acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
handle_hotplug_event_bridge, NULL);
(*count)++;