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-rw-r--r--include/acpi/acpi_bus.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 41850cb21730..227ba7dc293d 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -395,6 +395,9 @@ int acpi_bus_receive_event(struct acpi_bus_event *event);
static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
{ return 0; }
#endif
+
+void acpi_scan_lock_acquire(void);
+void acpi_scan_lock_release(void);
int acpi_scan_add_handler(struct acpi_scan_handler *handler);
int acpi_bus_register_driver(struct acpi_driver *driver);
void acpi_bus_unregister_driver(struct acpi_driver *driver);