diff options
Diffstat (limited to 'drivers/acpi/dispatcher/dswscope.c')
| -rw-r--r-- | drivers/acpi/dispatcher/dswscope.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c deleted file mode 100644 index 65f456151e2..00000000000 --- a/drivers/acpi/dispatcher/dswscope.c +++ /dev/null @@ -1,229 +0,0 @@ -/****************************************************************************** - * - * Module Name: dswscope - Scope stack manipulation - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2005, R. Byron Moore - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - - -#include <acpi/acpi.h> -#include <acpi/acdispat.h> - - -#define _COMPONENT ACPI_DISPATCHER - ACPI_MODULE_NAME ("dswscope") - - -#define STACK_POP(head) head - - -/**************************************************************************** - * - * FUNCTION: acpi_ds_scope_stack_clear - * - * PARAMETERS: None - * - * DESCRIPTION: Pop (and free) everything on the scope stack except the - * root scope object (which remains at the stack top.) - * - ***************************************************************************/ - -void -acpi_ds_scope_stack_clear ( - struct acpi_walk_state *walk_state) -{ - union acpi_generic_state *scope_info; - - ACPI_FUNCTION_NAME ("ds_scope_stack_clear"); - - - while (walk_state->scope_info) { - /* Pop a scope off the stack */ - - scope_info = walk_state->scope_info; - walk_state->scope_info = scope_info->scope.next; - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "Popped object type (%s)\n", acpi_ut_get_type_name (scope_info->common.value))); - acpi_ut_delete_generic_state (scope_info); - } -} - - -/**************************************************************************** - * - * FUNCTION: acpi_ds_scope_stack_push - * - * PARAMETERS: *Node, - Name to be made current - * Type, - Type of frame being pushed - * - * DESCRIPTION: Push the current scope on the scope stack, and make the - * passed Node current. - * - ***************************************************************************/ - -acpi_status -acpi_ds_scope_stack_push ( - struct acpi_namespace_node *node, - acpi_object_type type, - struct acpi_walk_state *walk_state) -{ - union acpi_generic_state *scope_info; - union acpi_generic_state *old_scope_info; - - - ACPI_FUNCTION_TRACE ("ds_scope_stack_push"); - - - if (!node) { - /* Invalid scope */ - - ACPI_REPORT_ERROR (("ds_scope_stack_push: null scope passed\n")); - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - /* Make sure object type is valid */ - - if (!acpi_ut_valid_object_type (type)) { - ACPI_REPORT_WARNING (("ds_scope_stack_push: Invalid object type: 0x%X\n", type)); - } - - /* Allocate a new scope object */ - - scope_info = acpi_ut_create_generic_state (); - if (!scope_info) { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* Init new scope object */ - - scope_info->common.data_type = ACPI_DESC_TYPE_STATE_WSCOPE; - scope_info->scope.node = node; - scope_info->common.value = (u16) type; - - walk_state->scope_depth++; - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[%.2d] Pushed scope ", (u32) walk_state->scope_depth)); - - old_scope_info = walk_state->scope_info; - if (old_scope_info) { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[%4.4s] (%s)", - acpi_ut_get_node_name (old_scope_info->scope.node), - acpi_ut_get_type_name (old_scope_info->common.value))); - } - else { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[\\___] (%s)", "ROOT")); - } - - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - ", New scope -> [%4.4s] (%s)\n", - acpi_ut_get_node_name (scope_info->scope.node), - acpi_ut_get_type_name (scope_info->common.value))); - - /* Push new scope object onto stack */ - - acpi_ut_push_generic_state (&walk_state->scope_info, scope_info); - return_ACPI_STATUS (AE_OK); -} - - -/**************************************************************************** - * - * FUNCTION: acpi_ds_scope_stack_pop - * - * PARAMETERS: Type - The type of frame to be found - * - * DESCRIPTION: Pop the scope stack until a frame of the requested type - * is found. - * - * RETURN: Count of frames popped. If no frame of the requested type - * was found, the count is returned as a negative number and - * the scope stack is emptied (which sets the current scope - * to the root). If the scope stack was empty at entry, the - * function is a no-op and returns 0. - * - ***************************************************************************/ - -acpi_status -acpi_ds_scope_stack_pop ( - struct acpi_walk_state *walk_state) -{ - union acpi_generic_state *scope_info; - union acpi_generic_state *new_scope_info; - - - ACPI_FUNCTION_TRACE ("ds_scope_stack_pop"); - - - /* - * Pop scope info object off the stack. - */ - scope_info = acpi_ut_pop_generic_state (&walk_state->scope_info); - if (!scope_info) { - return_ACPI_STATUS (AE_STACK_UNDERFLOW); - } - - walk_state->scope_depth--; - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[%.2d] Popped scope [%4.4s] (%s), New scope -> ", - (u32) walk_state->scope_depth, - acpi_ut_get_node_name (scope_info->scope.node), - acpi_ut_get_type_name (scope_info->common.value))); - - new_scope_info = walk_state->scope_info; - if (new_scope_info) { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[%4.4s] (%s)\n", - acpi_ut_get_node_name (new_scope_info->scope.node), - acpi_ut_get_type_name (new_scope_info->common.value))); - } - else { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[\\___] (ROOT)\n")); - } - - acpi_ut_delete_generic_state (scope_info); - return_ACPI_STATUS (AE_OK); -} - - |