diff options
| author | Bob Moore <robert.moore@intel.com> | 2009-12-11 09:57:00 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-12-16 01:29:35 +0300 |
| commit | f24b664dc44a4ab4df61db2258cea298eeb43a8e (patch) | |
| tree | b31ad7e9dd77da75e0358e4359b0cee164426595 /drivers/acpi/acpica/nsutils.c | |
| parent | 34c39c755347c1ca3d06284bad2273c6a9c3108a (diff) | |
| download | linux-f24b664dc44a4ab4df61db2258cea298eeb43a8e.tar.xz | |
ACPICA: Update internal namespace node/handle interfaces
This change deletes the unnecessary acpi_ns_convert_entry_to_handle
interface and renames the acpi_ns_map_handle_to_node interface to
acpi_ns_validate_handle. ACPICA BZ 798.
http://www.acpica.org/bugzilla/show_bug.cgi?id=798
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/nsutils.c')
| -rw-r--r-- | drivers/acpi/acpica/nsutils.c | 57 |
1 files changed, 11 insertions, 46 deletions
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index ea55ab4f9849..47d91e668a1b 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -671,24 +671,25 @@ acpi_ns_externalize_name(u32 internal_name_length, /******************************************************************************* * - * FUNCTION: acpi_ns_map_handle_to_node + * FUNCTION: acpi_ns_validate_handle * - * PARAMETERS: Handle - Handle to be converted to an Node + * PARAMETERS: Handle - Handle to be validated and typecast to a + * namespace node. * - * RETURN: A Name table entry pointer + * RETURN: A pointer to a namespace node * - * DESCRIPTION: Convert a namespace handle to a real Node + * DESCRIPTION: Convert a namespace handle to a namespace node. Handles special + * cases for the root node. * - * Note: Real integer handles would allow for more verification + * NOTE: Real integer handles would allow for more verification * and keep all pointers within this subsystem - however this introduces - * more (and perhaps unnecessary) overhead. - * - * The current implemenation is basically a placeholder until such time comes - * that it is needed. + * more overhead and has not been necessary to this point. Drivers + * holding handles are typically notified before a node becomes invalid + * due to a table unload. * ******************************************************************************/ -struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle) +struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle) { ACPI_FUNCTION_ENTRY(); @@ -710,42 +711,6 @@ struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle) /******************************************************************************* * - * FUNCTION: acpi_ns_convert_entry_to_handle - * - * PARAMETERS: Node - Node to be converted to a Handle - * - * RETURN: A user handle - * - * DESCRIPTION: Convert a real Node to a namespace handle - * - ******************************************************************************/ - -acpi_handle acpi_ns_convert_entry_to_handle(struct acpi_namespace_node *node) -{ - - /* - * Simple implementation for now; - */ - return ((acpi_handle) node); - -/* Example future implementation --------------------- - - if (!Node) - { - return (NULL); - } - - if (Node == acpi_gbl_root_node) - { - return (ACPI_ROOT_OBJECT); - } - - return ((acpi_handle) Node); -------------------------------------------------------*/ -} - -/******************************************************************************* - * * FUNCTION: acpi_ns_terminate * * PARAMETERS: none |