diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index f4aa467..b125fdb 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -86,7 +86,7 @@
 			     int type, unsigned long long sta);
 void acpi_device_add_finalize(struct acpi_device *device);
 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
-int acpi_bind_one(struct device *dev, acpi_handle handle);
+int acpi_bind_one(struct device *dev, struct acpi_device *adev);
 int acpi_unbind_one(struct device *dev);
 bool acpi_device_is_present(struct acpi_device *adev);