1 /****************************************************************************** 2 * 3 * Module Name: utinit - Common ACPI subsystem initialization 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2014, 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 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 ******************************************************************************/ 116 117 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 ******************************************************************************/ 138 139 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