xref: /openbmc/linux/drivers/acpi/acpica/utinit.c (revision f654c0fe)
1 /******************************************************************************
2  *
3  * Module Name: utinit - Common ACPI subsystem initialization
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2011, 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 /******************************************************************************
57  *
58  * FUNCTION:    acpi_ut_terminate
59  *
60  * PARAMETERS:  none
61  *
62  * RETURN:      none
63  *
64  * DESCRIPTION: Free global memory
65  *
66  ******************************************************************************/
67 
68 static 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 	acpi_ut_delete_address_lists();
96 	return_VOID;
97 }
98 
99 /*******************************************************************************
100  *
101  * FUNCTION:    acpi_ut_subsystem_shutdown
102  *
103  * PARAMETERS:  None
104  *
105  * RETURN:      None
106  *
107  * DESCRIPTION: Shutdown the various components. Do not delete the mutex
108  *              objects here, because the AML debugger may be still running.
109  *
110  ******************************************************************************/
111 
112 void acpi_ut_subsystem_shutdown(void)
113 {
114 	ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
115 
116 #ifndef ACPI_ASL_COMPILER
117 
118 	/* Close the acpi_event Handling */
119 
120 	acpi_ev_terminate();
121 
122 	/* Delete any dynamic _OSI interfaces */
123 
124 	acpi_ut_interface_terminate();
125 #endif
126 
127 	/* Close the Namespace */
128 
129 	acpi_ns_terminate();
130 
131 	/* Delete the ACPI tables */
132 
133 	acpi_tb_terminate();
134 
135 	/* Close the globals */
136 
137 	acpi_ut_terminate();
138 
139 	/* Purge the local caches */
140 
141 	(void)acpi_ut_delete_caches();
142 	return_VOID;
143 }
144