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authorIngo Molnar <mingo@elte.hu>2008-07-11 10:46:50 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-11 10:46:50 +0200
commit0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b (patch)
tree6f82579cae6d6e39fa9f837a3c349ded51e19d14 /drivers/pci/hotplug/acpiphp_glue.c
parent0729fbf3bc70870370b4f43d652f05a468dc68b8 (diff)
parent70ff05554f91a1edda1f11684da1dbde09e2feea (diff)
Merge branch 'linus' into core/rcu
Conflicts: include/linux/rculist.h kernel/rcupreempt.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci/hotplug/acpiphp_glue.c')
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 648596d469f..91156f85a92 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -700,9 +700,10 @@ cleanup_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
cleanup_p2p_bridge, NULL, NULL);
- if (!(bridge = acpiphp_handle_to_bridge(handle)))
- return AE_OK;
- cleanup_bridge(bridge);
+ bridge = acpiphp_handle_to_bridge(handle);
+ if (bridge)
+ cleanup_bridge(bridge);
+
return AE_OK;
}
@@ -715,9 +716,19 @@ static void remove_bridge(acpi_handle handle)
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
(u32)1, cleanup_p2p_bridge, NULL, NULL);
+ /*
+ * On root bridges with hotplug slots directly underneath (ie,
+ * no p2p bridge inbetween), we call cleanup_bridge().
+ *
+ * The else clause cleans up root bridges that either had no
+ * hotplug slots at all, or had a p2p bridge underneath.
+ */
bridge = acpiphp_handle_to_bridge(handle);
if (bridge)
cleanup_bridge(bridge);
+ else
+ acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+ handle_hotplug_event_bridge);
}
static struct pci_dev * get_apic_pci_info(acpi_handle handle)