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| author | Shaohua Li <shaohua.li@intel.com> | 2008-08-28 10:04:29 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-09-23 23:04:43 -0400 |
| commit | 6bd00a61ab63d4ceb635ae0316353c11c900b8d8 (patch) | |
| tree | 249e417279df1448f1ad43c135c22990b5dde2cb /include/acpi/acpi_bus.h | |
| parent | db350b084dc2cf816288643861ce07b0562dd723 (diff) | |
| download | lwn-6bd00a61ab63d4ceb635ae0316353c11c900b8d8.tar.gz lwn-6bd00a61ab63d4ceb635ae0316353c11c900b8d8.zip | |
ACPI: introduce notifier change to avoid duplicates
The battery driver already registers notification handler.
To avoid registering notification handler again,
introduce a notifier chain in global system notifier handler
and use it in dock driver.
Signed-off-by: Shaohua Li <shaohua.li@intel.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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index a5ac0bc7f52e..f74f882609f8 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -327,6 +327,9 @@ int acpi_bus_get_private_data(acpi_handle, void **); extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); extern int register_acpi_notifier(struct notifier_block *); extern int unregister_acpi_notifier(struct notifier_block *); + +extern int register_acpi_bus_notifier(struct notifier_block *nb); +extern void unregister_acpi_bus_notifier(struct notifier_block *nb); /* * External Functions */ |