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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
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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);
}