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/drivers/acpi/acpica/utinit.c

https://bitbucket.org/ndreys/linux-sunxi
C | 142 lines | 44 code | 26 blank | 72 comment | 2 complexity | 172a606d59cc0671e057df7ba2d2f0da MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  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
 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
121	/* Delete any dynamic _OSI interfaces */
122
123	acpi_ut_interface_terminate();
124#endif
125
126	/* Close the Namespace */
127
128	acpi_ns_terminate();
129
130	/* Delete the ACPI tables */
131
132	acpi_tb_terminate();
133
134	/* Close the globals */
135
136	acpi_ut_terminate();
137
138	/* Purge the local caches */
139
140	(void)acpi_ut_delete_caches();
141	return_VOID;
142}