diff options
| -rw-r--r-- | drivers/acpi/acpica/nsxfeval.c | 33 | ||||
| -rw-r--r-- | include/acpi/acpixf.h | 4 |
2 files changed, 34 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index 1f0c28ba50df..d6b33bc7bab0 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -923,19 +923,22 @@ ACPI_EXPORT_SYMBOL(acpi_detach_data) /******************************************************************************* * - * FUNCTION: acpi_get_data + * FUNCTION: acpi_get_data_full * * PARAMETERS: obj_handle - Namespace node * handler - Handler used in call to attach_data * data - Where the data is returned + * callback - function to execute before returning * * RETURN: Status * - * DESCRIPTION: Retrieve data that was previously attached to a namespace node. + * DESCRIPTION: Retrieve data that was previously attached to a namespace node + * and execute a callback before returning. * ******************************************************************************/ acpi_status -acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data) +acpi_get_data_full(acpi_handle obj_handle, acpi_object_handler handler, + void **data, void (*callback)(void *)) { struct acpi_namespace_node *node; acpi_status status; @@ -960,10 +963,34 @@ acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data) } status = acpi_ns_get_attached_data(node, handler, data); + if (ACPI_SUCCESS(status) && callback) { + callback(*data); + } unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); return (status); } +ACPI_EXPORT_SYMBOL(acpi_get_data_full) + +/******************************************************************************* + * + * FUNCTION: acpi_get_data + * + * PARAMETERS: obj_handle - Namespace node + * handler - Handler used in call to attach_data + * data - Where the data is returned + * + * RETURN: Status + * + * DESCRIPTION: Retrieve data that was previously attached to a namespace node. + * + ******************************************************************************/ +acpi_status +acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data) +{ + return acpi_get_data_full(obj_handle, handler, data, NULL); +} + ACPI_EXPORT_SYMBOL(acpi_get_data) diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index fea6773f87fc..34bad459c11b 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -230,6 +230,10 @@ acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data); acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler); acpi_status +acpi_get_data_full(acpi_handle object, acpi_object_handler handler, void **data, + void (*callback)(void *)); + +acpi_status acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data); acpi_status |