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-rw-r--r--drivers/acpi/utilities/utinit.c266
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diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
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+++ b/drivers/acpi/utilities/utinit.c
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+/******************************************************************************
+ *
+ * Module Name: utinit - Common ACPI subsystem initialization
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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>
+
+#define _COMPONENT ACPI_UTILITIES
+ ACPI_MODULE_NAME ("utinit")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_fadt_register_error
+ *
+ * PARAMETERS: *register_name - Pointer to string identifying register
+ * Value - Actual register contents value
+ * acpi_test_spec_section - TDS section containing assertion
+ * acpi_assertion - Assertion number being tested
+ *
+ * RETURN: AE_BAD_VALUE
+ *
+ * DESCRIPTION: Display failure message and link failure to TDS assertion
+ *
+ ******************************************************************************/
+
+static void
+acpi_ut_fadt_register_error (
+ char *register_name,
+ u32 value,
+ acpi_size offset)
+{
+
+ ACPI_REPORT_WARNING (
+ ("Invalid FADT value %s=%X at offset %X FADT=%p\n",
+ register_name, value, (u32) offset, acpi_gbl_FADT));
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ut_validate_fadt
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Validate various ACPI registers in the FADT
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_validate_fadt (
+ void)
+{
+
+ /*
+ * Verify Fixed ACPI Description Table fields,
+ * but don't abort on any problems, just display error
+ */
+ if (acpi_gbl_FADT->pm1_evt_len < 4) {
+ acpi_ut_fadt_register_error ("PM1_EVT_LEN",
+ (u32) acpi_gbl_FADT->pm1_evt_len,
+ ACPI_FADT_OFFSET (pm1_evt_len));
+ }
+
+ if (!acpi_gbl_FADT->pm1_cnt_len) {
+ acpi_ut_fadt_register_error ("PM1_CNT_LEN", 0,
+ ACPI_FADT_OFFSET (pm1_cnt_len));
+ }
+
+ if (!acpi_gbl_FADT->xpm1a_evt_blk.address) {
+ acpi_ut_fadt_register_error ("X_PM1a_EVT_BLK", 0,
+ ACPI_FADT_OFFSET (xpm1a_evt_blk.address));
+ }
+
+ if (!acpi_gbl_FADT->xpm1a_cnt_blk.address) {
+ acpi_ut_fadt_register_error ("X_PM1a_CNT_BLK", 0,
+ ACPI_FADT_OFFSET (xpm1a_cnt_blk.address));
+ }
+
+ if (!acpi_gbl_FADT->xpm_tmr_blk.address) {
+ acpi_ut_fadt_register_error ("X_PM_TMR_BLK", 0,
+ ACPI_FADT_OFFSET (xpm_tmr_blk.address));
+ }
+
+ if ((acpi_gbl_FADT->xpm2_cnt_blk.address &&
+ !acpi_gbl_FADT->pm2_cnt_len)) {
+ acpi_ut_fadt_register_error ("PM2_CNT_LEN",
+ (u32) acpi_gbl_FADT->pm2_cnt_len,
+ ACPI_FADT_OFFSET (pm2_cnt_len));
+ }
+
+ if (acpi_gbl_FADT->pm_tm_len < 4) {
+ acpi_ut_fadt_register_error ("PM_TM_LEN",
+ (u32) acpi_gbl_FADT->pm_tm_len,
+ ACPI_FADT_OFFSET (pm_tm_len));
+ }
+
+ /* Length of GPE blocks must be a multiple of 2 */
+
+ if (acpi_gbl_FADT->xgpe0_blk.address &&
+ (acpi_gbl_FADT->gpe0_blk_len & 1)) {
+ acpi_ut_fadt_register_error ("(x)GPE0_BLK_LEN",
+ (u32) acpi_gbl_FADT->gpe0_blk_len,
+ ACPI_FADT_OFFSET (gpe0_blk_len));
+ }
+
+ if (acpi_gbl_FADT->xgpe1_blk.address &&
+ (acpi_gbl_FADT->gpe1_blk_len & 1)) {
+ acpi_ut_fadt_register_error ("(x)GPE1_BLK_LEN",
+ (u32) acpi_gbl_FADT->gpe1_blk_len,
+ ACPI_FADT_OFFSET (gpe1_blk_len));
+ }
+
+ return (AE_OK);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ut_terminate
+ *
+ * PARAMETERS: none
+ *
+ * RETURN: none
+ *
+ * DESCRIPTION: free global memory
+ *
+ ******************************************************************************/
+
+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 tables, etc. */
+
+
+ /* 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_MEM_FREE (gpe_block->event_info);
+ ACPI_MEM_FREE (gpe_block->register_info);
+ ACPI_MEM_FREE (gpe_block);
+
+ gpe_block = next_gpe_block;
+ }
+ next_gpe_xrupt_info = gpe_xrupt_info->next;
+ ACPI_MEM_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_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n"));
+ return_VOID;
+ }
+
+ /* Subsystem appears active, go ahead and shut it down */
+
+ acpi_gbl_shutdown = TRUE;
+ ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n"));
+
+ /* Close the acpi_event Handling */
+
+ acpi_ev_terminate ();
+
+ /* Close the Namespace */
+
+ acpi_ns_terminate ();
+
+ /* Close the globals */
+
+ acpi_ut_terminate ();
+
+ /* Purge the local caches */
+
+ (void) acpi_purge_cached_objects ();
+
+ /* Debug only - display leftover memory allocation, if any */
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+ acpi_ut_dump_allocations (ACPI_UINT32_MAX, NULL);
+#endif
+
+ return_VOID;
+}
+
+
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