Merge ACPICA 20120215.

1 files changed, 722 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/components/tables/tbxface.c b/sys/contrib/dev/acpica/components/tables/tbxface.c
new file mode 100644
index 0000000..dc03a2c
--- /dev/null
+++ b/sys/contrib/dev/acpica/components/tables/tbxface.c
@@ -0,0 +1,722 @@
+/******************************************************************************
+ *
+ * Module Name: tbxface - Public interfaces to the ACPI subsystem
+ *                         ACPI table oriented interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, 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.
+ */
+
+#define __TBXFACE_C__
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acnamesp.h>
+#include <contrib/dev/acpica/include/actables.h>
+
+#define _COMPONENT          ACPI_TABLES
+        ACPI_MODULE_NAME    ("tbxface")
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiTbLoadNamespace (
+    void);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiAllocateRootTable
+ *
+ * PARAMETERS:  InitialTableCount   - Size of InitialTableArray, in number of
+ *                                    ACPI_TABLE_DESC structures
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate a root table array. Used by iASL compiler and
+ *              AcpiInitializeTables.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiAllocateRootTable (
+    UINT32                  InitialTableCount)
+{
+
+    AcpiGbl_RootTableList.MaxTableCount = InitialTableCount;
+    AcpiGbl_RootTableList.Flags = ACPI_ROOT_ALLOW_RESIZE;
+
+    return (AcpiTbResizeRootTableList ());
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInitializeTables
+ *
+ * PARAMETERS:  InitialTableArray   - Pointer to an array of pre-allocated
+ *                                    ACPI_TABLE_DESC structures. If NULL, the
+ *                                    array is dynamically allocated.
+ *              InitialTableCount   - Size of InitialTableArray, in number of
+ *                                    ACPI_TABLE_DESC structures
+ *              AllowRealloc        - Flag to tell Table Manager if resize of
+ *                                    pre-allocated array is allowed. Ignored
+ *                                    if InitialTableArray is NULL.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize the table manager, get the RSDP and RSDT/XSDT.
+ *
+ * NOTE:        Allows static allocation of the initial table array in order
+ *              to avoid the use of dynamic memory in confined environments
+ *              such as the kernel boot sequence where it may not be available.
+ *
+ *              If the host OS memory managers are initialized, use NULL for
+ *              InitialTableArray, and the table will be dynamically allocated.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInitializeTables (
+    ACPI_TABLE_DESC         *InitialTableArray,
+    UINT32                  InitialTableCount,
+    BOOLEAN                 AllowResize)
+{
+    ACPI_PHYSICAL_ADDRESS   RsdpAddress;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiInitializeTables);
+
+
+    /*
+     * Set up the Root Table Array
+     * Allocate the table array if requested
+     */
+    if (!InitialTableArray)
+    {
+        Status = AcpiAllocateRootTable (InitialTableCount);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+    else
+    {
+        /* Root Table Array has been statically allocated by the host */
+
+        ACPI_MEMSET (InitialTableArray, 0,
+            (ACPI_SIZE) InitialTableCount * sizeof (ACPI_TABLE_DESC));
+
+        AcpiGbl_RootTableList.Tables = InitialTableArray;
+        AcpiGbl_RootTableList.MaxTableCount = InitialTableCount;
+        AcpiGbl_RootTableList.Flags = ACPI_ROOT_ORIGIN_UNKNOWN;
+        if (AllowResize)
+        {
+            AcpiGbl_RootTableList.Flags |= ACPI_ROOT_ALLOW_RESIZE;
+        }
+    }
+
+    /* Get the address of the RSDP */
+
+    RsdpAddress = AcpiOsGetRootPointer ();
+    if (!RsdpAddress)
+    {
+        return_ACPI_STATUS (AE_NOT_FOUND);
+    }
+
+    /*
+     * Get the root table (RSDT or XSDT) and extract all entries to the local
+     * Root Table Array. This array contains the information of the RSDT/XSDT
+     * in a common, more useable format.
+     */
+    Status = AcpiTbParseRootTable (RsdpAddress);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInitializeTables)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiReallocateRootTable
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Reallocate Root Table List into dynamic memory. Copies the
+ *              root list from the previously provided scratch area. Should
+ *              be called once dynamic memory allocation is available in the
+ *              kernel
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiReallocateRootTable (
+    void)
+{
+    ACPI_TABLE_DESC         *Tables;
+    ACPI_SIZE               NewSize;
+    ACPI_SIZE               CurrentSize;
+
+
+    ACPI_FUNCTION_TRACE (AcpiReallocateRootTable);
+
+
+    /*
+     * Only reallocate the root table if the host provided a static buffer
+     * for the table array in the call to AcpiInitializeTables.
+     */
+    if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
+    {
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
+
+    /*
+     * Get the current size of the root table and add the default
+     * increment to create the new table size.
+     */
+    CurrentSize = (ACPI_SIZE)
+        AcpiGbl_RootTableList.CurrentTableCount * sizeof (ACPI_TABLE_DESC);
+
+    NewSize = CurrentSize +
+        (ACPI_ROOT_TABLE_SIZE_INCREMENT * sizeof (ACPI_TABLE_DESC));
+
+    /* Create new array and copy the old array */
+
+    Tables = ACPI_ALLOCATE_ZEROED (NewSize);
+    if (!Tables)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    ACPI_MEMCPY (Tables, AcpiGbl_RootTableList.Tables, CurrentSize);
+
+    /*
+     * Update the root table descriptor. The new size will be the current
+     * number of tables plus the increment, independent of the reserved
+     * size of the original table list.
+     */
+    AcpiGbl_RootTableList.Tables = Tables;
+    AcpiGbl_RootTableList.MaxTableCount =
+        AcpiGbl_RootTableList.CurrentTableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT;
+    AcpiGbl_RootTableList.Flags =
+        ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiReallocateRootTable)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTableHeader
+ *
+ * PARAMETERS:  Signature           - ACPI signature of needed table
+ *              Instance            - Which instance (for SSDTs)
+ *              OutTableHeader      - The pointer to the table header to fill
+ *
+ * RETURN:      Status and pointer to mapped table header
+ *
+ * DESCRIPTION: Finds an ACPI table header.
+ *
+ * NOTE:        Caller is responsible in unmapping the header with
+ *              AcpiOsUnmapMemory
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTableHeader (
+    char                    *Signature,
+    UINT32                  Instance,
+    ACPI_TABLE_HEADER       *OutTableHeader)
+{
+    UINT32                  i;
+    UINT32                  j;
+    ACPI_TABLE_HEADER       *Header;
+
+
+    /* Parameter validation */
+
+    if (!Signature || !OutTableHeader)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Walk the root table list */
+
+    for (i = 0, j = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++)
+    {
+        if (!ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
+                    Signature))
+        {
+            continue;
+        }
+
+        if (++j < Instance)
+        {
+            continue;
+        }
+
+        if (!AcpiGbl_RootTableList.Tables[i].Pointer)
+        {
+            if ((AcpiGbl_RootTableList.Tables[i].Flags &
+                    ACPI_TABLE_ORIGIN_MASK) ==
+                ACPI_TABLE_ORIGIN_MAPPED)
+            {
+                Header = AcpiOsMapMemory (
+                            AcpiGbl_RootTableList.Tables[i].Address,
+                            sizeof (ACPI_TABLE_HEADER));
+                if (!Header)
+                {
+                    return AE_NO_MEMORY;
+                }
+
+                ACPI_MEMCPY (OutTableHeader, Header, sizeof(ACPI_TABLE_HEADER));
+                AcpiOsUnmapMemory (Header, sizeof(ACPI_TABLE_HEADER));
+            }
+            else
+            {
+                return AE_NOT_FOUND;
+            }
+        }
+        else
+        {
+            ACPI_MEMCPY (OutTableHeader,
+                AcpiGbl_RootTableList.Tables[i].Pointer,
+                sizeof(ACPI_TABLE_HEADER));
+        }
+
+        return (AE_OK);
+    }
+
+    return (AE_NOT_FOUND);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiGetTableHeader)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTable
+ *
+ * PARAMETERS:  Signature           - ACPI signature of needed table
+ *              Instance            - Which instance (for SSDTs)
+ *              OutTable            - Where the pointer to the table is returned
+ *
+ * RETURN:      Status and pointer to table
+ *
+ * DESCRIPTION: Finds and verifies an ACPI table.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTable (
+    char                    *Signature,
+    UINT32                  Instance,
+    ACPI_TABLE_HEADER       **OutTable)
+{
+    UINT32                  i;
+    UINT32                  j;
+    ACPI_STATUS             Status;
+
+
+    /* Parameter validation */
+
+    if (!Signature || !OutTable)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Walk the root table list */
+
+    for (i = 0, j = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++)
+    {
+        if (!ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
+                Signature))
+        {
+            continue;
+        }
+
+        if (++j < Instance)
+        {
+            continue;
+        }
+
+        Status = AcpiTbVerifyTable (&AcpiGbl_RootTableList.Tables[i]);
+        if (ACPI_SUCCESS (Status))
+        {
+            *OutTable = AcpiGbl_RootTableList.Tables[i].Pointer;
+        }
+
+        return (Status);
+    }
+
+    return (AE_NOT_FOUND);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiGetTable)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetTableByIndex
+ *
+ * PARAMETERS:  TableIndex          - Table index
+ *              Table               - Where the pointer to the table is returned
+ *
+ * RETURN:      Status and pointer to the table
+ *
+ * DESCRIPTION: Obtain a table by an index into the global table list.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetTableByIndex (
+    UINT32                  TableIndex,
+    ACPI_TABLE_HEADER       **Table)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiGetTableByIndex);
+
+
+    /* Parameter validation */
+
+    if (!Table)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
+
+    /* Validate index */
+
+    if (TableIndex >= AcpiGbl_RootTableList.CurrentTableCount)
+    {
+        (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (!AcpiGbl_RootTableList.Tables[TableIndex].Pointer)
+    {
+        /* Table is not mapped, map it */
+
+        Status = AcpiTbVerifyTable (&AcpiGbl_RootTableList.Tables[TableIndex]);
+        if (ACPI_FAILURE (Status))
+        {
+            (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    *Table = AcpiGbl_RootTableList.Tables[TableIndex].Pointer;
+    (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiGetTableByIndex)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTbLoadNamespace
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in
+ *              the RSDT/XSDT.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiTbLoadNamespace (
+    void)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+    ACPI_TABLE_HEADER       *NewDsdt;
+
+
+    ACPI_FUNCTION_TRACE (TbLoadNamespace);
+
+
+    (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
+
+    /*
+     * Load the namespace. The DSDT is required, but any SSDT and
+     * PSDT tables are optional. Verify the DSDT.
+     */
+    if (!AcpiGbl_RootTableList.CurrentTableCount ||
+        !ACPI_COMPARE_NAME (
+            &(AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT].Signature),
+            ACPI_SIG_DSDT) ||
+         ACPI_FAILURE (AcpiTbVerifyTable (
+            &AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT])))
+    {
+        Status = AE_NO_ACPI_TABLES;
+        goto UnlockAndExit;
+    }
+
+    /*
+     * Save the DSDT pointer for simple access. This is the mapped memory
+     * address. We must take care here because the address of the .Tables
+     * array can change dynamically as tables are loaded at run-time. Note:
+     * .Pointer field is not validated until after call to AcpiTbVerifyTable.
+     */
+    AcpiGbl_DSDT = AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT].Pointer;
+
+    /*
+     * Optionally copy the entire DSDT to local memory (instead of simply
+     * mapping it.) There are some BIOSs that corrupt or replace the original
+     * DSDT, creating the need for this option. Default is FALSE, do not copy
+     * the DSDT.
+     */
+    if (AcpiGbl_CopyDsdtLocally)
+    {
+        NewDsdt = AcpiTbCopyDsdt (ACPI_TABLE_INDEX_DSDT);
+        if (NewDsdt)
+        {
+            AcpiGbl_DSDT = NewDsdt;
+        }
+    }
+
+    /*
+     * Save the original DSDT header for detection of table corruption
+     * and/or replacement of the DSDT from outside the OS.
+     */
+    ACPI_MEMCPY (&AcpiGbl_OriginalDsdtHeader, AcpiGbl_DSDT,
+        sizeof (ACPI_TABLE_HEADER));
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+
+    /* Load and parse tables */
+
+    Status = AcpiNsLoadTable (ACPI_TABLE_INDEX_DSDT, AcpiGbl_RootNode);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */
+
+    (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
+    for (i = 2; i < AcpiGbl_RootTableList.CurrentTableCount; ++i)
+    {
+        if ((!ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
+                    ACPI_SIG_SSDT) &&
+             !ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
+                    ACPI_SIG_PSDT)) ||
+             ACPI_FAILURE (AcpiTbVerifyTable (
+                &AcpiGbl_RootTableList.Tables[i])))
+        {
+            continue;
+        }
+
+        /* Skip SSDT when DSDT is overriden */
+
+        if (ACPI_COMPARE_NAME (&(AcpiGbl_RootTableList.Tables[i].Signature),
+                    ACPI_SIG_SSDT) &&
+            (AcpiGbl_RootTableList.Tables[ACPI_TABLE_INDEX_DSDT].Flags &
+                    ACPI_TABLE_ORIGIN_OVERRIDE))
+        {
+            continue;
+        }
+
+        /* Ignore errors while loading tables, get as many as possible */
+
+        (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+        (void) AcpiNsLoadTable (i, AcpiGbl_RootNode);
+        (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
+
+UnlockAndExit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiLoadTables
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiLoadTables (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiLoadTables);
+
+
+    /* Load the namespace from the tables */
+
+    Status = AcpiTbLoadNamespace ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status,
+            "While loading namespace from ACPI tables"));
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiLoadTables)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInstallTableHandler
+ *
+ * PARAMETERS:  Handler         - Table event handler
+ *              Context         - Value passed to the handler on each event
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install table event handler
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInstallTableHandler (
+    ACPI_TABLE_HANDLER      Handler,
+    void                    *Context)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiInstallTableHandler);
+
+
+    if (!Handler)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Don't allow more than one handler */
+
+    if (AcpiGbl_TableHandler)
+    {
+        Status = AE_ALREADY_EXISTS;
+        goto Cleanup;
+    }
+
+    /* Install the handler */
+
+    AcpiGbl_TableHandler = Handler;
+    AcpiGbl_TableHandlerContext = Context;
+
+Cleanup:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInstallTableHandler)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiRemoveTableHandler
+ *
+ * PARAMETERS:  Handler         - Table event handler that was installed
+ *                                previously.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove table event handler
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiRemoveTableHandler (
+    ACPI_TABLE_HANDLER      Handler)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiRemoveTableHandler);
+
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Make sure that the installed handler is the same */
+
+    if (!Handler ||
+        Handler != AcpiGbl_TableHandler)
+    {
+        Status = AE_BAD_PARAMETER;
+        goto Cleanup;
+    }
+
+    /* Remove the handler */
+
+    AcpiGbl_TableHandler = NULL;
+
+Cleanup:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiRemoveTableHandler)
+