xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ACPICA: Update internal namespace node/handle interfaces

Browse Source 
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>
This commit is contained in:
Bob Moore
2009-12-11 14:57:00 +08:00
committed by Len Brown
parent 34c39c7553
commit f24b664dc4
12 changed files with 40 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
drivers/acpi/acpica/nsutils.c
View File

@@ -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();
@@ -708,42 +709,6 @@ struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle)
return (ACPI_CAST_PTR(struct acpi_namespace_node, 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