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Commit 0f6896f1 authored by Bob Moore's avatar Bob Moore Committed by Len Brown
Browse files

ACPICA: Split all internal Global Lock functions to new file - evglock 



These functions were moved from evmisc.c

Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLin Ming <ming.m.lin@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 749c2763

drivers/acpi/acpica/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ acpi-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \ 


acpi-y += evevent.o  evregion.o  evsci.o    evxfevnt.o \

	 evmisc.o   evrgnini.o  evxface.o  evxfregn.o \

	 evgpe.o    evgpeblk.o evgpeinit.o  evgpeutil.o evxfgpe.o

	 evgpe.o    evgpeblk.o evgpeinit.o  evgpeutil.o evxfgpe.o evglock.o



acpi-y += exconfig.o  exfield.o  exnames.o   exoparg6.o  exresolv.o  exstorob.o\

	 exconvrt.o  exfldio.o  exoparg1.o  exprep.o    exresop.o   exsystem.o\

drivers/acpi/acpica/acevents.h

+11 −6
Original line number Diff line number Diff line
@@ -58,18 +58,23 @@ u32 acpi_ev_fixed_event_detect(void); 
 */

u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);



acpi_status acpi_ev_acquire_global_lock(u16 timeout);



acpi_status acpi_ev_release_global_lock(void);



acpi_status acpi_ev_init_global_lock_handler(void);



u32 acpi_ev_get_gpe_number_index(u32 gpe_number);



acpi_status

acpi_ev_queue_notify_request(struct acpi_namespace_node *node,

			     u32 notify_value);



/*

 * evglock - Global Lock support

 */

acpi_status acpi_ev_init_global_lock_handler(void);



acpi_status acpi_ev_acquire_global_lock(u16 timeout);



acpi_status acpi_ev_release_global_lock(void);



acpi_status acpi_ev_remove_global_lock_handler(void);



/*

 * evgpe - Low-level GPE support

 */

drivers/acpi/acpica/evglock.c

0 → 100644
+335 −0
Original line number Diff line number Diff line 
/******************************************************************************

 *

 * Module Name: evglock - Global Lock support

 *

 *****************************************************************************/



/*

 * Copyright (C) 2000 - 2011, 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 "accommon.h"

#include "acevents.h"

#include "acinterp.h"



#define _COMPONENT          ACPI_EVENTS

ACPI_MODULE_NAME("evglock")



/* Local prototypes */

static u32 acpi_ev_global_lock_handler(void *context);



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_init_global_lock_handler

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Install a handler for the global lock release event

 *

 ******************************************************************************/



acpi_status acpi_ev_init_global_lock_handler(void)

{

	acpi_status status;



	ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);



	/* Attempt installation of the global lock handler */



	status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,

						  acpi_ev_global_lock_handler,

						  NULL);



	/*

	 * If the global lock does not exist on this platform, the attempt to

	 * enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick).

	 * Map to AE_OK, but mark global lock as not present. Any attempt to

	 * actually use the global lock will be flagged with an error.

	 */

	acpi_gbl_global_lock_present = FALSE;

	if (status == AE_NO_HARDWARE_RESPONSE) {

		ACPI_ERROR((AE_INFO,

			    "No response from Global Lock hardware, disabling lock"));



		return_ACPI_STATUS(AE_OK);

	}



	status = acpi_os_create_lock(&acpi_gbl_global_lock_pending_lock);

	if (ACPI_FAILURE(status)) {

		return_ACPI_STATUS(status);

	}



	acpi_gbl_global_lock_pending = FALSE;

	acpi_gbl_global_lock_present = TRUE;

	return_ACPI_STATUS(status);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_remove_global_lock_handler

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Remove the handler for the Global Lock

 *

 ******************************************************************************/



acpi_status acpi_ev_remove_global_lock_handler(void)

{

	acpi_status status;



	ACPI_FUNCTION_TRACE(ev_remove_global_lock_handler);



	acpi_gbl_global_lock_present = FALSE;

	status = acpi_remove_fixed_event_handler(ACPI_EVENT_GLOBAL,

						 acpi_ev_global_lock_handler);



	return_ACPI_STATUS(status);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_global_lock_handler

 *

 * PARAMETERS:  Context         - From thread interface, not used

 *

 * RETURN:      ACPI_INTERRUPT_HANDLED

 *

 * DESCRIPTION: Invoked directly from the SCI handler when a global lock

 *              release interrupt occurs. If there is actually a pending

 *              request for the lock, signal the waiting thread.

 *

 ******************************************************************************/



static u32 acpi_ev_global_lock_handler(void *context)

{

	acpi_status status;

	acpi_cpu_flags flags;



	flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);



	/*

	 * If a request for the global lock is not actually pending,

	 * we are done. This handles "spurious" global lock interrupts

	 * which are possible (and have been seen) with bad BIOSs.

	 */

	if (!acpi_gbl_global_lock_pending) {

		goto cleanup_and_exit;

	}



	/*

	 * Send a unit to the global lock semaphore. The actual acquisition

	 * of the global lock will be performed by the waiting thread.

	 */

	status = acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore, 1);

	if (ACPI_FAILURE(status)) {

		ACPI_ERROR((AE_INFO, "Could not signal Global Lock semaphore"));

	}



	acpi_gbl_global_lock_pending = FALSE;



      cleanup_and_exit:



	acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);

	return (ACPI_INTERRUPT_HANDLED);

}



/******************************************************************************

 *

 * FUNCTION:    acpi_ev_acquire_global_lock

 *

 * PARAMETERS:  Timeout         - Max time to wait for the lock, in millisec.

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Attempt to gain ownership of the Global Lock.

 *

 * MUTEX:       Interpreter must be locked

 *

 * Note: The original implementation allowed multiple threads to "acquire" the

 * Global Lock, and the OS would hold the lock until the last thread had

 * released it. However, this could potentially starve the BIOS out of the

 * lock, especially in the case where there is a tight handshake between the

 * Embedded Controller driver and the BIOS. Therefore, this implementation

 * allows only one thread to acquire the HW Global Lock at a time, and makes

 * the global lock appear as a standard mutex on the OS side.

 *

 *****************************************************************************/



acpi_status acpi_ev_acquire_global_lock(u16 timeout)

{

	acpi_cpu_flags flags;

	acpi_status status;

	u8 acquired = FALSE;



	ACPI_FUNCTION_TRACE(ev_acquire_global_lock);



	/*

	 * Only one thread can acquire the GL at a time, the global_lock_mutex

	 * enforces this. This interface releases the interpreter if we must wait.

	 */

	status =

	    acpi_ex_system_wait_mutex(acpi_gbl_global_lock_mutex->mutex.

				      os_mutex, timeout);

	if (ACPI_FAILURE(status)) {

		return_ACPI_STATUS(status);

	}



	/*

	 * Update the global lock handle and check for wraparound. The handle is

	 * only used for the external global lock interfaces, but it is updated

	 * here to properly handle the case where a single thread may acquire the

	 * lock via both the AML and the acpi_acquire_global_lock interfaces. The

	 * handle is therefore updated on the first acquire from a given thread

	 * regardless of where the acquisition request originated.

	 */

	acpi_gbl_global_lock_handle++;

	if (acpi_gbl_global_lock_handle == 0) {

		acpi_gbl_global_lock_handle = 1;

	}



	/*

	 * Make sure that a global lock actually exists. If not, just

	 * treat the lock as a standard mutex.

	 */

	if (!acpi_gbl_global_lock_present) {

		acpi_gbl_global_lock_acquired = TRUE;

		return_ACPI_STATUS(AE_OK);

	}



	flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);



	do {



		/* Attempt to acquire the actual hardware lock */



		ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);

		if (acquired) {

			acpi_gbl_global_lock_acquired = TRUE;

			ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

					  "Acquired hardware Global Lock\n"));

			break;

		}



		/*

		 * Did not get the lock. The pending bit was set above, and

		 * we must now wait until we receive the global lock

		 * released interrupt.

		 */

		acpi_gbl_global_lock_pending = TRUE;

		acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);



		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "Waiting for hardware Global Lock\n"));



		/*

		 * Wait for handshake with the global lock interrupt handler.

		 * This interface releases the interpreter if we must wait.

		 */

		status =

		    acpi_ex_system_wait_semaphore

		    (acpi_gbl_global_lock_semaphore, ACPI_WAIT_FOREVER);



		flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);



	} while (ACPI_SUCCESS(status));



	acpi_gbl_global_lock_pending = FALSE;

	acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);



	return_ACPI_STATUS(status);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_release_global_lock

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Releases ownership of the Global Lock.

 *

 ******************************************************************************/



acpi_status acpi_ev_release_global_lock(void)

{

	u8 pending = FALSE;

	acpi_status status = AE_OK;



	ACPI_FUNCTION_TRACE(ev_release_global_lock);



	/* Lock must be already acquired */



	if (!acpi_gbl_global_lock_acquired) {

		ACPI_WARNING((AE_INFO,

			      "Cannot release the ACPI Global Lock, it has not been acquired"));

		return_ACPI_STATUS(AE_NOT_ACQUIRED);

	}



	if (acpi_gbl_global_lock_present) {



		/* Allow any thread to release the lock */



		ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_FACS, pending);



		/*

		 * If the pending bit was set, we must write GBL_RLS to the control

		 * register

		 */

		if (pending) {

			status =

			    acpi_write_bit_register

			    (ACPI_BITREG_GLOBAL_LOCK_RELEASE,

			     ACPI_ENABLE_EVENT);

		}



		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "Released hardware Global Lock\n"));

	}



	acpi_gbl_global_lock_acquired = FALSE;



	/* Release the local GL mutex */



	acpi_os_release_mutex(acpi_gbl_global_lock_mutex->mutex.os_mutex);

	return_ACPI_STATUS(status);

}

drivers/acpi/acpica/evmisc.c

+0 −309
Original line number Diff line number Diff line
@@ -45,7 +45,6 @@ 
#include "accommon.h"

#include "acevents.h"

#include "acnamesp.h"

#include "acinterp.h"



#define _COMPONENT          ACPI_EVENTS

ACPI_MODULE_NAME("evmisc")
@@ -53,10 +52,6 @@ ACPI_MODULE_NAME("evmisc") 
/* Local prototypes */

static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context);



static u32 acpi_ev_global_lock_handler(void *context);



static acpi_status acpi_ev_remove_global_lock_handler(void);



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_is_notify_object
@@ -275,310 +270,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context) 
	acpi_ut_delete_generic_state(notify_info);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_global_lock_handler

 *

 * PARAMETERS:  Context         - From thread interface, not used

 *

 * RETURN:      ACPI_INTERRUPT_HANDLED

 *

 * DESCRIPTION: Invoked directly from the SCI handler when a global lock

 *              release interrupt occurs. If there is actually a pending

 *              request for the lock, signal the waiting thread.

 *

 ******************************************************************************/



static u32 acpi_ev_global_lock_handler(void *context)

{

	acpi_status status;

	acpi_cpu_flags flags;



	flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);



	/*

	 * If a request for the global lock is not actually pending,

	 * we are done. This handles "spurious" global lock interrupts

	 * which are possible (and have been seen) with bad BIOSs.

	 */

	if (!acpi_gbl_global_lock_pending) {

		goto cleanup_and_exit;

	}



	/*

	 * Send a unit to the global lock semaphore. The actual acquisition

	 * of the global lock will be performed by the waiting thread.

	 */

	status = acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore, 1);

	if (ACPI_FAILURE(status)) {

		ACPI_ERROR((AE_INFO, "Could not signal Global Lock semaphore"));

	}



	acpi_gbl_global_lock_pending = FALSE;



cleanup_and_exit:



	acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);

	return (ACPI_INTERRUPT_HANDLED);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_init_global_lock_handler

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Install a handler for the global lock release event

 *

 ******************************************************************************/



acpi_status acpi_ev_init_global_lock_handler(void)

{

	acpi_status status;



	ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);



	/* Attempt installation of the global lock handler */



	status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,

						  acpi_ev_global_lock_handler,

						  NULL);



	/*

	 * If the global lock does not exist on this platform, the attempt to

	 * enable GBL_STATUS will fail (the GBL_ENABLE bit will not stick).

	 * Map to AE_OK, but mark global lock as not present. Any attempt to

	 * actually use the global lock will be flagged with an error.

	 */

	acpi_gbl_global_lock_present = FALSE;

	if (status == AE_NO_HARDWARE_RESPONSE) {

		ACPI_ERROR((AE_INFO,

			    "No response from Global Lock hardware, disabling lock"));



		return_ACPI_STATUS(AE_OK);

	}



	status = acpi_os_create_lock(&acpi_gbl_global_lock_pending_lock);

	if (ACPI_FAILURE(status)) {

		return_ACPI_STATUS(status);

	}



	acpi_gbl_global_lock_pending = FALSE;

	acpi_gbl_global_lock_present = TRUE;

	return_ACPI_STATUS(status);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_remove_global_lock_handler

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Remove the handler for the Global Lock

 *

 ******************************************************************************/



static acpi_status acpi_ev_remove_global_lock_handler(void)

{

	acpi_status status;



	ACPI_FUNCTION_TRACE(ev_remove_global_lock_handler);



	acpi_gbl_global_lock_present = FALSE;

	status = acpi_remove_fixed_event_handler(ACPI_EVENT_GLOBAL,

						 acpi_ev_global_lock_handler);



	return_ACPI_STATUS(status);

}



/******************************************************************************

 *

 * FUNCTION:    acpi_ev_acquire_global_lock

 *

 * PARAMETERS:  Timeout         - Max time to wait for the lock, in millisec.

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Attempt to gain ownership of the Global Lock.

 *

 * MUTEX:       Interpreter must be locked

 *

 * Note: The original implementation allowed multiple threads to "acquire" the

 * Global Lock, and the OS would hold the lock until the last thread had

 * released it. However, this could potentially starve the BIOS out of the

 * lock, especially in the case where there is a tight handshake between the

 * Embedded Controller driver and the BIOS. Therefore, this implementation

 * allows only one thread to acquire the HW Global Lock at a time, and makes

 * the global lock appear as a standard mutex on the OS side.

 *

 *****************************************************************************/

static acpi_thread_id acpi_ev_global_lock_thread_id;

static int acpi_ev_global_lock_acquired;



acpi_status acpi_ev_acquire_global_lock(u16 timeout)

{

	acpi_cpu_flags flags;

	acpi_status status;

	u8 acquired = FALSE;



	ACPI_FUNCTION_TRACE(ev_acquire_global_lock);



	/*

	 * Only one thread can acquire the GL at a time, the global_lock_mutex

	 * enforces this. This interface releases the interpreter if we must wait.

	 */

	status = acpi_ex_system_wait_mutex(

			acpi_gbl_global_lock_mutex->mutex.os_mutex, 0);

	if (status == AE_TIME) {

		if (acpi_ev_global_lock_thread_id == acpi_os_get_thread_id()) {

			acpi_ev_global_lock_acquired++;

			return AE_OK;

		}

	}



	if (ACPI_FAILURE(status)) {

		status = acpi_ex_system_wait_mutex(

				acpi_gbl_global_lock_mutex->mutex.os_mutex,

				timeout);

	}

	if (ACPI_FAILURE(status)) {

		return_ACPI_STATUS(status);

	}



	acpi_ev_global_lock_thread_id = acpi_os_get_thread_id();

	acpi_ev_global_lock_acquired++;



	/*

	 * Update the global lock handle and check for wraparound. The handle is

	 * only used for the external global lock interfaces, but it is updated

	 * here to properly handle the case where a single thread may acquire the

	 * lock via both the AML and the acpi_acquire_global_lock interfaces. The

	 * handle is therefore updated on the first acquire from a given thread

	 * regardless of where the acquisition request originated.

	 */

	acpi_gbl_global_lock_handle++;

	if (acpi_gbl_global_lock_handle == 0) {

		acpi_gbl_global_lock_handle = 1;

	}



	/*

	 * Make sure that a global lock actually exists. If not, just

	 * treat the lock as a standard mutex.

	 */

	if (!acpi_gbl_global_lock_present) {

		acpi_gbl_global_lock_acquired = TRUE;

		return_ACPI_STATUS(AE_OK);

	}



	flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);



	do {



		/* Attempt to acquire the actual hardware lock */



		ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);

		if (acquired) {

			acpi_gbl_global_lock_acquired = TRUE;

			ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

					  "Acquired hardware Global Lock\n"));

			break;

		}



		/*

		 * Did not get the lock. The pending bit was set above, and

		 * we must now wait until we receive the global lock

		 * released interrupt.

		 */

		acpi_gbl_global_lock_pending = TRUE;

		acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);



		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "Waiting for hardware Global Lock\n"));



		/*

		 * Wait for handshake with the global lock interrupt handler.

		 * This interface releases the interpreter if we must wait.

		 */

		status =

		    acpi_ex_system_wait_semaphore

		    (acpi_gbl_global_lock_semaphore, ACPI_WAIT_FOREVER);



		flags = acpi_os_acquire_lock(acpi_gbl_global_lock_pending_lock);



	} while (ACPI_SUCCESS(status));



	acpi_gbl_global_lock_pending = FALSE;

	acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags);



	return_ACPI_STATUS(status);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_release_global_lock

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Releases ownership of the Global Lock.

 *

 ******************************************************************************/



acpi_status acpi_ev_release_global_lock(void)

{

	u8 pending = FALSE;

	acpi_status status = AE_OK;



	ACPI_FUNCTION_TRACE(ev_release_global_lock);



	/* Lock must be already acquired */



	if (!acpi_gbl_global_lock_acquired) {

		ACPI_WARNING((AE_INFO,

			      "Cannot release the ACPI Global Lock, it has not been acquired"));

		return_ACPI_STATUS(AE_NOT_ACQUIRED);

	}



	acpi_ev_global_lock_acquired--;

	if (acpi_ev_global_lock_acquired > 0) {

		return AE_OK;

	}



	if (acpi_gbl_global_lock_present) {



		/* Allow any thread to release the lock */



		ACPI_RELEASE_GLOBAL_LOCK(acpi_gbl_FACS, pending);



		/*

		 * If the pending bit was set, we must write GBL_RLS to the control

		 * register

		 */

		if (pending) {

			status =

			    acpi_write_bit_register

			    (ACPI_BITREG_GLOBAL_LOCK_RELEASE,

			     ACPI_ENABLE_EVENT);

		}



		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "Released hardware Global Lock\n"));

	}



	acpi_gbl_global_lock_acquired = FALSE;



	/* Release the local GL mutex */

	acpi_ev_global_lock_thread_id = 0;

	acpi_ev_global_lock_acquired = 0;

	acpi_os_release_mutex(acpi_gbl_global_lock_mutex->mutex.os_mutex);

	return_ACPI_STATUS(status);

}



/******************************************************************************

 *

 * FUNCTION:    acpi_ev_terminate