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ACPICA: Update internal namespace node/handle interfaces

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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/acpi/acpica/acnamesp.h
View File

@ -354,9 +354,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
const char *internal_name,
u32 * converted_name_length, char **converted_name);
struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle);
acpi_handle acpi_ns_convert_entry_to_handle(struct acpi_namespace_node *node);
struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);
void acpi_ns_terminate(void);

4
drivers/acpi/acpica/evregion.c
View File

@ -718,7 +718,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
/* Convert and validate the device handle */
node = acpi_ns_map_handle_to_node(obj_handle);
node = acpi_ns_validate_handle(obj_handle);
if (!node) {
return (AE_BAD_PARAMETER);
}
@ -1087,7 +1087,7 @@ acpi_ev_reg_run(acpi_handle obj_handle,
/* Convert and validate the device handle */
node = acpi_ns_map_handle_to_node(obj_handle);
node = acpi_ns_validate_handle(obj_handle);
if (!node) {
return (AE_BAD_PARAMETER);
}

4
drivers/acpi/acpica/evxface.c
View File

@ -259,7 +259,7 @@ acpi_install_notify_handler(acpi_handle device,
/* Convert and validate the device handle */
node = acpi_ns_map_handle_to_node(device);
node = acpi_ns_validate_handle(device);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -425,7 +425,7 @@ acpi_remove_notify_handler(acpi_handle device,
/* Convert and validate the device handle */
node = acpi_ns_map_handle_to_node(device);
node = acpi_ns_validate_handle(device);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;

4
drivers/acpi/acpica/evxfevnt.c
View File

@ -610,7 +610,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
return (status);
}
node = acpi_ns_map_handle_to_node(gpe_device);
node = acpi_ns_validate_handle(gpe_device);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -698,7 +698,7 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
return (status);
}
node = acpi_ns_map_handle_to_node(gpe_device);
node = acpi_ns_validate_handle(gpe_device);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;

4
drivers/acpi/acpica/evxfregn.c
View File

@ -89,7 +89,7 @@ acpi_install_address_space_handler(acpi_handle device,
/* Convert and validate the device handle */
node = acpi_ns_map_handle_to_node(device);
node = acpi_ns_validate_handle(device);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -155,7 +155,7 @@ acpi_remove_address_space_handler(acpi_handle device,
/* Convert and validate the device handle */
node = acpi_ns_map_handle_to_node(device);
node = acpi_ns_validate_handle(device);
if (!node ||
((node->type != ACPI_TYPE_DEVICE) &&
(node->type != ACPI_TYPE_PROCESSOR) &&

2
drivers/acpi/acpica/nsdump.c
View File

@ -180,7 +180,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
return (AE_OK);
}
this_node = acpi_ns_map_handle_to_node(obj_handle);
this_node = acpi_ns_validate_handle(obj_handle);
if (!this_node) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
obj_handle));

2
drivers/acpi/acpica/nsnames.c
View File

@ -232,7 +232,7 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
ACPI_FUNCTION_TRACE_PTR(ns_handle_to_pathname, target_handle);
node = acpi_ns_map_handle_to_node(target_handle);
node = acpi_ns_validate_handle(target_handle);
if (!node) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}

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

10
drivers/acpi/acpica/nsxfeval.c
View File

@ -190,7 +190,7 @@ acpi_evaluate_object(acpi_handle handle,
/* Convert and validate the device handle */
info->prefix_node = acpi_ns_map_handle_to_node(handle);
info->prefix_node = acpi_ns_validate_handle(handle);
if (!info->prefix_node) {
status = AE_BAD_PARAMETER;
goto cleanup;
@ -552,7 +552,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
return (status);
}
node = acpi_ns_map_handle_to_node(obj_handle);
node = acpi_ns_validate_handle(obj_handle);
status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
return (status);
@ -729,7 +729,7 @@ acpi_attach_data(acpi_handle obj_handle,
/* Convert and validate the handle */
node = acpi_ns_map_handle_to_node(obj_handle);
node = acpi_ns_validate_handle(obj_handle);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -775,7 +775,7 @@ acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
/* Convert and validate the handle */
node = acpi_ns_map_handle_to_node(obj_handle);
node = acpi_ns_validate_handle(obj_handle);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -822,7 +822,7 @@ acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data)
/* Convert and validate the handle */
node = acpi_ns_map_handle_to_node(obj_handle);
node = acpi_ns_validate_handle(obj_handle);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;

10
drivers/acpi/acpica/nsxfname.c
View File

@ -93,7 +93,7 @@ acpi_get_handle(acpi_handle parent,
/* Convert a parent handle to a prefix node */
if (parent) {
prefix_node = acpi_ns_map_handle_to_node(parent);
prefix_node = acpi_ns_validate_handle(parent);
if (!prefix_node) {
return (AE_BAD_PARAMETER);
}
@ -114,7 +114,7 @@ acpi_get_handle(acpi_handle parent,
if (!ACPI_STRCMP(pathname, ACPI_NS_ROOT_PATH)) {
*ret_handle =
acpi_ns_convert_entry_to_handle(acpi_gbl_root_node);
ACPI_CAST_PTR(acpi_handle, acpi_gbl_root_node);
return (AE_OK);
}
} else if (!prefix_node) {
@ -129,7 +129,7 @@ acpi_get_handle(acpi_handle parent,
status =
acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH, &node);
if (ACPI_SUCCESS(status)) {
*ret_handle = acpi_ns_convert_entry_to_handle(node);
*ret_handle = ACPI_CAST_PTR(acpi_handle, node);
}
return (status);
@ -186,7 +186,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
return (status);
}
node = acpi_ns_map_handle_to_node(handle);
node = acpi_ns_validate_handle(handle);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -291,7 +291,7 @@ acpi_get_object_info(acpi_handle handle,
goto cleanup;
}
node = acpi_ns_map_handle_to_node(handle);
node = acpi_ns_validate_handle(handle);
if (!node) {
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (AE_BAD_PARAMETER);

14
drivers/acpi/acpica/nsxfobj.c
View File

@ -79,7 +79,7 @@ acpi_status acpi_get_id(acpi_handle handle, acpi_owner_id * ret_id)
/* Convert and validate the handle */
node = acpi_ns_map_handle_to_node(handle);
node = acpi_ns_validate_handle(handle);
if (!node) {
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (AE_BAD_PARAMETER);
@ -132,7 +132,7 @@ acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type)
/* Convert and validate the handle */
node = acpi_ns_map_handle_to_node(handle);
node = acpi_ns_validate_handle(handle);
if (!node) {
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (AE_BAD_PARAMETER);
@ -182,7 +182,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
/* Convert and validate the handle */
node = acpi_ns_map_handle_to_node(handle);
node = acpi_ns_validate_handle(handle);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -191,7 +191,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
/* Get the parent entry */
parent_node = acpi_ns_get_parent_node(node);
*ret_handle = acpi_ns_convert_entry_to_handle(parent_node);
*ret_handle = ACPI_CAST_PTR(acpi_handle, parent_node);
/* Return exception if parent is null */
@ -251,7 +251,7 @@ acpi_get_next_object(acpi_object_type type,
/* Start search at the beginning of the specified scope */
parent_node = acpi_ns_map_handle_to_node(parent);
parent_node = acpi_ns_validate_handle(parent);
if (!parent_node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -260,7 +260,7 @@ acpi_get_next_object(acpi_object_type type,
/* Non-null handle, ignore the parent */
/* Convert and validate the handle */
child_node = acpi_ns_map_handle_to_node(child);
child_node = acpi_ns_validate_handle(child);
if (!child_node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
@ -276,7 +276,7 @@ acpi_get_next_object(acpi_object_type type,
}
if (ret_handle) {
*ret_handle = acpi_ns_convert_entry_to_handle(node);
*ret_handle = ACPI_CAST_PTR(acpi_handle, node);
}
unlock_and_exit:

2
drivers/acpi/acpica/rsxface.c
View File

@ -104,7 +104,7 @@ acpi_rs_validate_parameters(acpi_handle device_handle,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
node = acpi_ns_map_handle_to_node(device_handle);
node = acpi_ns_validate_handle(device_handle);
if (!node) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}