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Diffstat (limited to 'drivers/acpi/utilities/utinit.c')
| -rw-r--r-- | drivers/acpi/utilities/utinit.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c new file mode 100644 index 0000000..cae515f --- /dev/null +++ b/drivers/acpi/utilities/utinit.c @@ -0,0 +1,151 @@ +/****************************************************************************** + * + * Module Name: utinit - Common ACPI subsystem initialization + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2008, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include <acpi/acnamesp.h> +#include <acpi/acevents.h> +#include <acpi/actables.h> + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utinit") + +/* Local prototypes */ +static void acpi_ut_terminate(void); + +/****************************************************************************** + * + * FUNCTION: acpi_ut_terminate + * + * PARAMETERS: none + * + * RETURN: none + * + * DESCRIPTION: Free global memory + * + ******************************************************************************/ + +static void acpi_ut_terminate(void) +{ + struct acpi_gpe_block_info *gpe_block; + struct acpi_gpe_block_info *next_gpe_block; + struct acpi_gpe_xrupt_info *gpe_xrupt_info; + struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; + + ACPI_FUNCTION_TRACE(ut_terminate); + + /* Free global GPE blocks and related info structures */ + + gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; + while (gpe_xrupt_info) { + gpe_block = gpe_xrupt_info->gpe_block_list_head; + while (gpe_block) { + next_gpe_block = gpe_block->next; + ACPI_FREE(gpe_block->event_info); + ACPI_FREE(gpe_block->register_info); + ACPI_FREE(gpe_block); + + gpe_block = next_gpe_block; + } + next_gpe_xrupt_info = gpe_xrupt_info->next; + ACPI_FREE(gpe_xrupt_info); + gpe_xrupt_info = next_gpe_xrupt_info; + } + + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_subsystem_shutdown + * + * PARAMETERS: none + * + * RETURN: none + * + * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex + * objects here -- because the AML debugger may be still running. + * + ******************************************************************************/ + +void acpi_ut_subsystem_shutdown(void) +{ + + ACPI_FUNCTION_TRACE(ut_subsystem_shutdown); + + /* Just exit if subsystem is already shutdown */ + + if (acpi_gbl_shutdown) { + ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated")); + return_VOID; + } + + /* Subsystem appears active, go ahead and shut it down */ + + acpi_gbl_shutdown = TRUE; + acpi_gbl_startup_flags = 0; + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); + +#ifndef ACPI_ASL_COMPILER + + /* Close the acpi_event Handling */ + + acpi_ev_terminate(); +#endif + + /* Close the Namespace */ + + acpi_ns_terminate(); + + /* Delete the ACPI tables */ + + acpi_tb_terminate(); + + /* Close the globals */ + + acpi_ut_terminate(); + + /* Purge the local caches */ + + (void)acpi_ut_delete_caches(); + return_VOID; +} |
