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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/acpi/acpica/
1/******************************************************************************
2 *
3 * Module Name: utinit - Common ACPI subsystem initialization
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2010, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions, and the following disclaimer,
16 *    without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 *    substantially similar to the "NO WARRANTY" disclaimer below
19 *    ("Disclaimer") and any redistribution must be conditioned upon
20 *    including a substantially similar Disclaimer requirement for further
21 *    binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 *    of any contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include "accommon.h"
46#include "acnamesp.h"
47#include "acevents.h"
48#include "actables.h"
49
50#define _COMPONENT          ACPI_UTILITIES
51ACPI_MODULE_NAME("utinit")
52
53/* Local prototypes */
54static void acpi_ut_terminate(void);
55
56/******************************************************************************
57 *
58 * FUNCTION:    acpi_ut_terminate
59 *
60 * PARAMETERS:  none
61 *
62 * RETURN:      none
63 *
64 * DESCRIPTION: Free global memory
65 *
66 ******************************************************************************/
67
68static void acpi_ut_terminate(void)
69{
70	struct acpi_gpe_block_info *gpe_block;
71	struct acpi_gpe_block_info *next_gpe_block;
72	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
73	struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
74
75	ACPI_FUNCTION_TRACE(ut_terminate);
76
77	/* Free global GPE blocks and related info structures */
78
79	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
80	while (gpe_xrupt_info) {
81		gpe_block = gpe_xrupt_info->gpe_block_list_head;
82		while (gpe_block) {
83			next_gpe_block = gpe_block->next;
84			ACPI_FREE(gpe_block->event_info);
85			ACPI_FREE(gpe_block->register_info);
86			ACPI_FREE(gpe_block);
87
88			gpe_block = next_gpe_block;
89		}
90		next_gpe_xrupt_info = gpe_xrupt_info->next;
91		ACPI_FREE(gpe_xrupt_info);
92		gpe_xrupt_info = next_gpe_xrupt_info;
93	}
94
95	return_VOID;
96}
97
98/*******************************************************************************
99 *
100 * FUNCTION:    acpi_ut_subsystem_shutdown
101 *
102 * PARAMETERS:  None
103 *
104 * RETURN:      None
105 *
106 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
107 *              objects here, because the AML debugger may be still running.
108 *
109 ******************************************************************************/
110
111void acpi_ut_subsystem_shutdown(void)
112{
113	ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
114
115#ifndef ACPI_ASL_COMPILER
116
117	/* Close the acpi_event Handling */
118
119	acpi_ev_terminate();
120#endif
121
122	/* Close the Namespace */
123
124	acpi_ns_terminate();
125
126	/* Delete the ACPI tables */
127
128	acpi_tb_terminate();
129
130	/* Close the globals */
131
132	acpi_ut_terminate();
133
134	/* Purge the local caches */
135
136	(void)acpi_ut_delete_caches();
137	return_VOID;
138}
139