[linux-2.6-block.git] / drivers / acpi / acpica / utxfinit.c

/******************************************************************************
 *
 * Module Name: utxfinit - External interfaces for ACPICA initialization
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2013, 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 EXPORT_ACPI_INTERFACES

#include <acpi/acpi.h>
#include "accommon.h"
#include "acevents.h"
#include "acnamesp.h"
#include "acdebug.h"
#include "actables.h"

#define _COMPONENT          ACPI_UTILITIES
ACPI_MODULE_NAME("utxfinit")

/*******************************************************************************
 *
 * FUNCTION:    acpi_initialize_subsystem
 *
 * PARAMETERS:  None
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Initializes all global variables. This is the first function
 *              called, so any early initialization belongs here.
 *
 ******************************************************************************/
acpi_status __init acpi_initialize_subsystem(void)
{
	acpi_status status;

	ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);

	acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;
	ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());

	/* Initialize the OS-Dependent layer */

	status = acpi_os_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
		return_ACPI_STATUS(status);
	}

	/* Initialize all globals used by the subsystem */

	status = acpi_ut_init_globals();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"During initialization of globals"));
		return_ACPI_STATUS(status);
	}

	/* Create the default mutex objects */

	status = acpi_ut_mutex_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"During Global Mutex creation"));
		return_ACPI_STATUS(status);
	}

	/*
	 * Initialize the namespace manager and
	 * the root of the namespace tree
	 */
	status = acpi_ns_root_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"During Namespace initialization"));
		return_ACPI_STATUS(status);
	}

	/* Initialize the global OSI interfaces list with the static names */

	status = acpi_ut_initialize_interfaces();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"During OSI interfaces initialization"));
		return_ACPI_STATUS(status);
	}

	/* If configured, initialize the AML debugger */

#ifdef ACPI_DEBUGGER
	status = acpi_db_initialize();
	if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
				"During Debugger initialization"));
		return_ACPI_STATUS(status);
	}
#endif

	return_ACPI_STATUS(AE_OK);
}

ACPI_EXPORT_SYMBOL_INIT(acpi_initialize_subsystem)

/*******************************************************************************
 *
 * FUNCTION:    acpi_enable_subsystem
 *
 * PARAMETERS:  flags               - Init/enable Options
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Completes the subsystem initialization including hardware.
 *              Puts system into ACPI mode if it isn't already.
 *
 ******************************************************************************/
acpi_status __init acpi_enable_subsystem(u32 flags)
{
	acpi_status status = AE_OK;

	ACPI_FUNCTION_TRACE(acpi_enable_subsystem);

#if (!ACPI_REDUCED_HARDWARE)

	/* Enable ACPI mode */

	if (!(flags & ACPI_NO_ACPI_ENABLE)) {
		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
				  "[Init] Going into ACPI mode\n"));

		acpi_gbl_original_mode = acpi_hw_get_mode();

		status = acpi_enable();
		if (ACPI_FAILURE(status)) {
			ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
			return_ACPI_STATUS(status);
		}
	}

	/*
	 * Obtain a permanent mapping for the FACS. This is required for the
	 * Global Lock and the Firmware Waking Vector
	 */
	status = acpi_tb_initialize_facs();
	if (ACPI_FAILURE(status)) {
		ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
		return_ACPI_STATUS(status);
	}
#endif				/* !ACPI_REDUCED_HARDWARE */

	/*
	 * Install the default op_region handlers. These are installed unless
	 * other handlers have already been installed via the
	 * install_address_space_handler interface.
	 */
	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
				  "[Init] Installing default address space handlers\n"));

		status = acpi_ev_install_region_handlers();
		if (ACPI_FAILURE(status)) {
			return_ACPI_STATUS(status);
		}
	}
#if (!ACPI_REDUCED_HARDWARE)
	/*
	 * Initialize ACPI Event handling (Fixed and General Purpose)
	 *
	 * Note1: We must have the hardware and events initialized before we can
	 * execute any control methods safely. Any control method can require
	 * ACPI hardware support, so the hardware must be fully initialized before
	 * any method execution!
	 *
	 * Note2: Fixed events are initialized and enabled here. GPEs are
	 * initialized, but cannot be enabled until after the hardware is
	 * completely initialized (SCI and global_lock activated) and the various
	 * initialization control methods are run (_REG, _STA, _INI) on the
	 * entire namespace.
	 */
	if (!(flags & ACPI_NO_EVENT_INIT)) {
		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
				  "[Init] Initializing ACPI events\n"));

		status = acpi_ev_initialize_events();
		if (ACPI_FAILURE(status)) {
			return_ACPI_STATUS(status);
		}
	}

	/*
	 * Install the SCI handler and Global Lock handler. This completes the
	 * hardware initialization.
	 */
	if (!(flags & ACPI_NO_HANDLER_INIT)) {
		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
				  "[Init] Installing SCI/GL handlers\n"));

		status = acpi_ev_install_xrupt_handlers();
		if (ACPI_FAILURE(status)) {
			return_ACPI_STATUS(status);
		}
	}
#endif				/* !ACPI_REDUCED_HARDWARE */

	return_ACPI_STATUS(status);
}

ACPI_EXPORT_SYMBOL_INIT(acpi_enable_subsystem)

/*******************************************************************************
 *
 * FUNCTION:    acpi_initialize_objects
 *
 * PARAMETERS:  flags               - Init/enable Options
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Completes namespace initialization by initializing device
 *              objects and executing AML code for Regions, buffers, etc.
 *
 ******************************************************************************/
acpi_status __init acpi_initialize_objects(u32 flags)
{
	acpi_status status = AE_OK;

	ACPI_FUNCTION_TRACE(acpi_initialize_objects);

	/*
	 * Run all _REG methods
	 *
	 * Note: Any objects accessed by the _REG methods will be automatically
	 * initialized, even if they contain executable AML (see the call to
	 * acpi_ns_initialize_objects below).
	 */
	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
				  "[Init] Executing _REG OpRegion methods\n"));

		status = acpi_ev_initialize_op_regions();
		if (ACPI_FAILURE(status)) {
			return_ACPI_STATUS(status);
		}
	}

	/*
	 * Execute any module-level code that was detected during the table load
	 * phase. Although illegal since ACPI 2.0, there are many machines that
	 * contain this type of code. Each block of detected executable AML code
	 * outside of any control method is wrapped with a temporary control
	 * method object and placed on a global list. The methods on this list
	 * are executed below.
	 */
	acpi_ns_exec_module_code_list();

	/*
	 * Initialize the objects that remain uninitialized. This runs the
	 * executable AML that may be part of the declaration of these objects:
	 * operation_regions, buffer_fields, Buffers, and Packages.
	 */
	if (!(flags & ACPI_NO_OBJECT_INIT)) {
		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
				  "[Init] Completing Initialization of ACPI Objects\n"));

		status = acpi_ns_initialize_objects();
		if (ACPI_FAILURE(status)) {
			return_ACPI_STATUS(status);
		}
	}

	/*
	 * Initialize all device objects in the namespace. This runs the device
	 * _STA and _INI methods.
	 */
	if (!(flags & ACPI_NO_DEVICE_INIT)) {
		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
				  "[Init] Initializing ACPI Devices\n"));

		status = acpi_ns_initialize_devices();
		if (ACPI_FAILURE(status)) {
			return_ACPI_STATUS(status);
		}
	}

	/*
	 * Empty the caches (delete the cached objects) on the assumption that
	 * the table load filled them up more than they will be at runtime --
	 * thus wasting non-paged memory.
	 */
	status = acpi_purge_cached_objects();

	acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK;
	return_ACPI_STATUS(status);
}

ACPI_EXPORT_SYMBOL_INIT(acpi_initialize_objects)
Commit	Line	Data
d978348b BM	1	/******************************************************************************
	2	*
	3	* Module Name: utxfinit - External interfaces for ACPICA initialization
	4	*
	5	*****************************************************************************/
	6
	7	/*
25f044e6	8	* Copyright (C) 2000 - 2013, Intel Corp.
d978348b BM	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
839e928f LZ	44	#define EXPORT_ACPI_INTERFACES
839e928f LZ	45
d978348b BM	46	#include <acpi/acpi.h>
	47	#include "accommon.h"
	48	#include "acevents.h"
	49	#include "acnamesp.h"
	50	#include "acdebug.h"
	51	#include "actables.h"
	52
	53	#define _COMPONENT ACPI_UTILITIES
	54	ACPI_MODULE_NAME("utxfinit")
	55
	56	/*******************************************************************************
	57	*
	58	* FUNCTION: acpi_initialize_subsystem
	59	*
	60	* PARAMETERS: None
	61	*
	62	* RETURN: Status
	63	*
	64	* DESCRIPTION: Initializes all global variables. This is the first function
	65	* called, so any early initialization belongs here.
	66	*
	67	******************************************************************************/
45c9f78b	68	acpi_status __init acpi_initialize_subsystem(void)
d978348b BM	69	{
	70	acpi_status status;
	71
	72	ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
	73
	74	acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;
	75	ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
	76
	77	/* Initialize the OS-Dependent layer */
	78
	79	status = acpi_os_initialize();
	80	if (ACPI_FAILURE(status)) {
	81	ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
	82	return_ACPI_STATUS(status);
	83	}
	84
	85	/* Initialize all globals used by the subsystem */
	86
	87	status = acpi_ut_init_globals();
	88	if (ACPI_FAILURE(status)) {
	89	ACPI_EXCEPTION((AE_INFO, status,
	90	"During initialization of globals"));
	91	return_ACPI_STATUS(status);
	92	}
	93
	94	/* Create the default mutex objects */
	95
	96	status = acpi_ut_mutex_initialize();
	97	if (ACPI_FAILURE(status)) {
	98	ACPI_EXCEPTION((AE_INFO, status,
	99	"During Global Mutex creation"));
	100	return_ACPI_STATUS(status);
	101	}
	102
	103	/*
	104	* Initialize the namespace manager and
	105	* the root of the namespace tree
	106	*/
	107	status = acpi_ns_root_initialize();
	108	if (ACPI_FAILURE(status)) {
	109	ACPI_EXCEPTION((AE_INFO, status,
	110	"During Namespace initialization"));
	111	return_ACPI_STATUS(status);
	112	}
	113
	114	/* Initialize the global OSI interfaces list with the static names */
	115
	116	status = acpi_ut_initialize_interfaces();
	117	if (ACPI_FAILURE(status)) {
	118	ACPI_EXCEPTION((AE_INFO, status,
	119	"During OSI interfaces initialization"));
	120	return_ACPI_STATUS(status);
	121	}
	122
	123	/* If configured, initialize the AML debugger */
	124
1a2c4783 BM	125	#ifdef ACPI_DEBUGGER
	126	status = acpi_db_initialize();
	127	if (ACPI_FAILURE(status)) {
	128	ACPI_EXCEPTION((AE_INFO, status,
	129	"During Debugger initialization"));
	130	return_ACPI_STATUS(status);
	131	}
	132	#endif
	133
	134	return_ACPI_STATUS(AE_OK);
d978348b	135	}
d21f600b LZ	136
d21f600b LZ	137	ACPI_EXPORT_SYMBOL_INIT(acpi_initialize_subsystem)
d978348b BM	138
	139	/*******************************************************************************
	140	*
	141	* FUNCTION: acpi_enable_subsystem
	142	*
	143	* PARAMETERS: flags - Init/enable Options
	144	*
	145	* RETURN: Status
	146	*
	147	* DESCRIPTION: Completes the subsystem initialization including hardware.
	148	* Puts system into ACPI mode if it isn't already.
	149	*
	150	******************************************************************************/
45c9f78b	151	acpi_status __init acpi_enable_subsystem(u32 flags)
d978348b BM	152	{
	153	acpi_status status = AE_OK;
	154
	155	ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
	156
	157	#if (!ACPI_REDUCED_HARDWARE)
	158
	159	/* Enable ACPI mode */
	160
	161	if (!(flags & ACPI_NO_ACPI_ENABLE)) {
	162	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
	163	"[Init] Going into ACPI mode\n"));
	164
	165	acpi_gbl_original_mode = acpi_hw_get_mode();
	166
	167	status = acpi_enable();
	168	if (ACPI_FAILURE(status)) {
	169	ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
	170	return_ACPI_STATUS(status);
	171	}
	172	}
	173
	174	/*
	175	* Obtain a permanent mapping for the FACS. This is required for the
	176	* Global Lock and the Firmware Waking Vector
	177	*/
	178	status = acpi_tb_initialize_facs();
	179	if (ACPI_FAILURE(status)) {
	180	ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
	181	return_ACPI_STATUS(status);
	182	}
	183	#endif /* !ACPI_REDUCED_HARDWARE */
	184
	185	/*
	186	* Install the default op_region handlers. These are installed unless
	187	* other handlers have already been installed via the
	188	* install_address_space_handler interface.
	189	*/
	190	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
	191	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
	192	"[Init] Installing default address space handlers\n"));
	193
	194	status = acpi_ev_install_region_handlers();
	195	if (ACPI_FAILURE(status)) {
	196	return_ACPI_STATUS(status);
	197	}
	198	}
	199	#if (!ACPI_REDUCED_HARDWARE)
	200	/*
	201	* Initialize ACPI Event handling (Fixed and General Purpose)
	202	*
	203	* Note1: We must have the hardware and events initialized before we can
	204	* execute any control methods safely. Any control method can require
	205	* ACPI hardware support, so the hardware must be fully initialized before
	206	* any method execution!
	207	*
	208	* Note2: Fixed events are initialized and enabled here. GPEs are
	209	* initialized, but cannot be enabled until after the hardware is
	210	* completely initialized (SCI and global_lock activated) and the various
	211	* initialization control methods are run (_REG, _STA, _INI) on the
	212	* entire namespace.
	213	*/
	214	if (!(flags & ACPI_NO_EVENT_INIT)) {
	215	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
216	"[Init] Initializing ACPI events\n"));
217
218	status = acpi_ev_initialize_events();
219	if (ACPI_FAILURE(status)) {
220	return_ACPI_STATUS(status);
221	}
222	}
223
224	/*
225	* Install the SCI handler and Global Lock handler. This completes the
226	* hardware initialization.
227	*/
228	if (!(flags & ACPI_NO_HANDLER_INIT)) {
229	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
230	"[Init] Installing SCI/GL handlers\n"));
231
232	status = acpi_ev_install_xrupt_handlers();
233	if (ACPI_FAILURE(status)) {
234	return_ACPI_STATUS(status);
235	}
236	}
237	#endif /* !ACPI_REDUCED_HARDWARE */
238
239	return_ACPI_STATUS(status);
240	}
d21f600b LZ	241
d21f600b LZ	242	ACPI_EXPORT_SYMBOL_INIT(acpi_enable_subsystem)
d978348b BM	243
	244	/*******************************************************************************
	245	*
	246	* FUNCTION: acpi_initialize_objects
	247	*
	248	* PARAMETERS: flags - Init/enable Options
	249	*
	250	* RETURN: Status
	251	*
	252	* DESCRIPTION: Completes namespace initialization by initializing device
	253	* objects and executing AML code for Regions, buffers, etc.
	254	*
	255	******************************************************************************/
45c9f78b	256	acpi_status __init acpi_initialize_objects(u32 flags)
d978348b BM	257	{
	258	acpi_status status = AE_OK;
	259
	260	ACPI_FUNCTION_TRACE(acpi_initialize_objects);
	261
	262	/*
	263	* Run all _REG methods
	264	*
	265	* Note: Any objects accessed by the _REG methods will be automatically
	266	* initialized, even if they contain executable AML (see the call to
	267	* acpi_ns_initialize_objects below).
	268	*/
	269	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
	270	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
	271	"[Init] Executing _REG OpRegion methods\n"));
	272
	273	status = acpi_ev_initialize_op_regions();
	274	if (ACPI_FAILURE(status)) {
	275	return_ACPI_STATUS(status);
	276	}
	277	}
	278
	279	/*
	280	* Execute any module-level code that was detected during the table load
	281	* phase. Although illegal since ACPI 2.0, there are many machines that
	282	* contain this type of code. Each block of detected executable AML code
	283	* outside of any control method is wrapped with a temporary control
	284	* method object and placed on a global list. The methods on this list
	285	* are executed below.
	286	*/
	287	acpi_ns_exec_module_code_list();
	288
	289	/*
	290	* Initialize the objects that remain uninitialized. This runs the
	291	* executable AML that may be part of the declaration of these objects:
	292	* operation_regions, buffer_fields, Buffers, and Packages.
	293	*/
	294	if (!(flags & ACPI_NO_OBJECT_INIT)) {
	295	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
	296	"[Init] Completing Initialization of ACPI Objects\n"));
	297
	298	status = acpi_ns_initialize_objects();
	299	if (ACPI_FAILURE(status)) {
	300	return_ACPI_STATUS(status);
	301	}
	302	}
	303
	304	/*
	305	* Initialize all device objects in the namespace. This runs the device
	306	* _STA and _INI methods.
	307	*/
	308	if (!(flags & ACPI_NO_DEVICE_INIT)) {
	309	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
	310	"[Init] Initializing ACPI Devices\n"));
	311
	312	status = acpi_ns_initialize_devices();
	313	if (ACPI_FAILURE(status)) {
	314	return_ACPI_STATUS(status);
	315	}
	316	}
	317
	318	/*
	319	* Empty the caches (delete the cached objects) on the assumption that
	320	* the table load filled them up more than they will be at runtime --
321	* thus wasting non-paged memory.
322	*/
323	status = acpi_purge_cached_objects();
324
325	acpi_gbl_startup_flags \|= ACPI_INITIALIZED_OK;
326	return_ACPI_STATUS(status);
327	}
d21f600b LZ	328
d21f600b LZ	329	ACPI_EXPORT_SYMBOL_INIT(acpi_initialize_objects)