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authorLen Brown <len.brown@intel.com>2008-10-22 23:25:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-22 23:25:26 -0400
commit47bf31adc541bef0c20de15e800e0011f1ae70c7 (patch)
tree28903879a8570eaefa57942ec3d475d365f5a465 /drivers/acpi/bus.c
parent4538fad56ee1c16bce0294b5647d2551f0e03164 (diff)
parent0a918a9432cc30aede10f904253b66ea6ab485ac (diff)
downloadlinux-linaro-android-47bf31adc541bef0c20de15e800e0011f1ae70c7.tar.gz
Merge branch 'dock' into test
Conflicts: drivers/acpi/osl.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r--drivers/acpi/bus.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index e9b116d2b56..e6311f432ed 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -525,6 +525,19 @@ static int acpi_bus_check_scope(struct acpi_device *device)
return 0;
}
+static BLOCKING_NOTIFIER_HEAD(acpi_bus_notify_list);
+int register_acpi_bus_notifier(struct notifier_block *nb)
+{
+ return blocking_notifier_chain_register(&acpi_bus_notify_list, nb);
+}
+EXPORT_SYMBOL_GPL(register_acpi_bus_notifier);
+
+void unregister_acpi_bus_notifier(struct notifier_block *nb)
+{
+ blocking_notifier_chain_unregister(&acpi_bus_notify_list, nb);
+}
+EXPORT_SYMBOL_GPL(unregister_acpi_bus_notifier);
+
/**
* acpi_bus_notify
* ---------------
@@ -535,6 +548,8 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
int result = 0;
struct acpi_device *device = NULL;
+ blocking_notifier_call_chain(&acpi_bus_notify_list,
+ type, (void *)handle);
if (acpi_bus_get_device(handle, &device))
return;