1 /******************************************************************************
2 *
3 * Module Name: utinit - Common ACPI subsystem initialization
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2012, 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
51 ACPI_MODULE_NAME("utinit")
52
53 /* Local prototypes */
54 static void acpi_ut_terminate(void);
55
56 #if (!ACPI_REDUCED_HARDWARE)
57
58 static void acpi_ut_free_gpe_lists(void);
59
60 #else
61
62 #define acpi_ut_free_gpe_lists()
63 #endif /* !ACPI_REDUCED_HARDWARE */
64
65 #if (!ACPI_REDUCED_HARDWARE)
66 /******************************************************************************
67 *
68 * FUNCTION: acpi_ut_free_gpe_lists
69 *
70 * PARAMETERS: none
71 *
72 * RETURN: none
73 *
74 * DESCRIPTION: Free global GPE lists
75 *
76 ******************************************************************************/
77
acpi_ut_free_gpe_lists(void)78 static void acpi_ut_free_gpe_lists(void)
79 {
80 struct acpi_gpe_block_info *gpe_block;
81 struct acpi_gpe_block_info *next_gpe_block;
82 struct acpi_gpe_xrupt_info *gpe_xrupt_info;
83 struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
84
85 /* Free global GPE blocks and related info structures */
86
87 gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
88 while (gpe_xrupt_info) {
89 gpe_block = gpe_xrupt_info->gpe_block_list_head;
90 while (gpe_block) {
91 next_gpe_block = gpe_block->next;
92 ACPI_FREE(gpe_block->event_info);
93 ACPI_FREE(gpe_block->register_info);
94 ACPI_FREE(gpe_block);
95
96 gpe_block = next_gpe_block;
97 }
98 next_gpe_xrupt_info = gpe_xrupt_info->next;
99 ACPI_FREE(gpe_xrupt_info);
100 gpe_xrupt_info = next_gpe_xrupt_info;
101 }
102 }
103 #endif /* !ACPI_REDUCED_HARDWARE */
104
105 /******************************************************************************
106 *
107 * FUNCTION: acpi_ut_terminate
108 *
109 * PARAMETERS: none
110 *
111 * RETURN: none
112 *
113 * DESCRIPTION: Free global memory
114 *
115 ******************************************************************************/
116
acpi_ut_terminate(void)117 static void acpi_ut_terminate(void)
118 {
119 ACPI_FUNCTION_TRACE(ut_terminate);
120
121 acpi_ut_free_gpe_lists();
122 acpi_ut_delete_address_lists();
123 return_VOID;
124 }
125
126 /*******************************************************************************
127 *
128 * FUNCTION: acpi_ut_subsystem_shutdown
129 *
130 * PARAMETERS: None
131 *
132 * RETURN: None
133 *
134 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
135 * objects here, because the AML debugger may be still running.
136 *
137 ******************************************************************************/
138
acpi_ut_subsystem_shutdown(void)139 void acpi_ut_subsystem_shutdown(void)
140 {
141 ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
142
143 #ifndef ACPI_ASL_COMPILER
144
145 /* Close the acpi_event Handling */
146
147 acpi_ev_terminate();
148
149 /* Delete any dynamic _OSI interfaces */
150
151 acpi_ut_interface_terminate();
152 #endif
153
154 /* Close the Namespace */
155
156 acpi_ns_terminate();
157
158 /* Delete the ACPI tables */
159
160 acpi_tb_terminate();
161
162 /* Close the globals */
163
164 acpi_ut_terminate();
165
166 /* Purge the local caches */
167
168 (void)acpi_ut_delete_caches();
169 return_VOID;
170 }
171