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marcus.erl |
/*******************************************************************************
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*
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* Module Name: rsxface - Public interfaces to the resource manager
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*
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******************************************************************************/
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/*
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* Copyright (C) 2000 - 2007, R. Byron Moore
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <acpi/acpi.h>
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#include <acpi/acresrc.h>
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#include <acpi/acnamesp.h>
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#define _COMPONENT ACPI_RESOURCES
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ACPI_MODULE_NAME("rsxface")
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/* Local macros for 16,32-bit to 64-bit conversion */
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#define ACPI_COPY_FIELD(out, in, field) ((out)->field = (in)->field)
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#define ACPI_COPY_ADDRESS(out, in) \
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ACPI_COPY_FIELD(out, in, resource_type); \
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ACPI_COPY_FIELD(out, in, producer_consumer); \
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ACPI_COPY_FIELD(out, in, decode); \
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ACPI_COPY_FIELD(out, in, min_address_fixed); \
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ACPI_COPY_FIELD(out, in, max_address_fixed); \
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ACPI_COPY_FIELD(out, in, info); \
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ACPI_COPY_FIELD(out, in, granularity); \
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ACPI_COPY_FIELD(out, in, minimum); \
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ACPI_COPY_FIELD(out, in, maximum); \
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ACPI_COPY_FIELD(out, in, translation_offset); \
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ACPI_COPY_FIELD(out, in, address_length); \
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ACPI_COPY_FIELD(out, in, resource_source);
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/* Local prototypes */
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static acpi_status
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acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context);
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static acpi_status
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acpi_rs_validate_parameters(acpi_handle device_handle,
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struct acpi_buffer *buffer,
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struct acpi_namespace_node **return_node);
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/*******************************************************************************
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*
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* FUNCTION: acpi_rs_validate_parameters
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*
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* PARAMETERS: device_handle - Handle to a device
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* Buffer - Pointer to a data buffer
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* return_node - Pointer to where the device node is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Common parameter validation for resource interfaces
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*
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******************************************************************************/
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static acpi_status
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acpi_rs_validate_parameters(acpi_handle device_handle,
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struct acpi_buffer *buffer,
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struct acpi_namespace_node **return_node)
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{
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acpi_status status;
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struct acpi_namespace_node *node;
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ACPI_FUNCTION_TRACE(rs_validate_parameters);
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/*
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* Must have a valid handle to an ACPI device
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*/
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if (!device_handle) {
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return_ACPI_STATUS(AE_BAD_PARAMETER);
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}
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node = acpi_ns_map_handle_to_node(device_handle);
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if (!node) {
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return_ACPI_STATUS(AE_BAD_PARAMETER);
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}
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if (node->type != ACPI_TYPE_DEVICE) {
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return_ACPI_STATUS(AE_TYPE);
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}
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/*
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* Validate the user buffer object
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*
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* if there is a non-zero buffer length we also need a valid pointer in
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* the buffer. If it's a zero buffer length, we'll be returning the
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* needed buffer size (later), so keep going.
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*/
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status = acpi_ut_validate_buffer(buffer);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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*return_node = node;
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return_ACPI_STATUS(AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_get_irq_routing_table
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*
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* PARAMETERS: device_handle - Handle to the Bus device we are querying
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* ret_buffer - Pointer to a buffer to receive the
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* current resources for the device
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*
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* RETURN: Status
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*
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* DESCRIPTION: This function is called to get the IRQ routing table for a
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* specific bus. The caller must first acquire a handle for the
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* desired bus. The routine table is placed in the buffer pointed
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* to by the ret_buffer variable parameter.
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*
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* If the function fails an appropriate status will be returned
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* and the value of ret_buffer is undefined.
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*
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* This function attempts to execute the _PRT method contained in
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* the object indicated by the passed device_handle.
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*
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******************************************************************************/
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acpi_status
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acpi_get_irq_routing_table(acpi_handle device_handle,
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struct acpi_buffer *ret_buffer)
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{
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acpi_status status;
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struct acpi_namespace_node *node;
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ACPI_FUNCTION_TRACE(acpi_get_irq_routing_table);
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/* Validate parameters then dispatch to internal routine */
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status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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status = acpi_rs_get_prt_method_data(node, ret_buffer);
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return_ACPI_STATUS(status);
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}
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ACPI_EXPORT_SYMBOL(acpi_get_irq_routing_table)
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/*******************************************************************************
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*
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* FUNCTION: acpi_get_current_resources
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*
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* PARAMETERS: device_handle - Handle to the device object for the
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* device we are querying
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* ret_buffer - Pointer to a buffer to receive the
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* current resources for the device
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*
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* RETURN: Status
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*
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* DESCRIPTION: This function is called to get the current resources for a
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* specific device. The caller must first acquire a handle for
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* the desired device. The resource data is placed in the buffer
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* pointed to by the ret_buffer variable parameter.
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*
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* If the function fails an appropriate status will be returned
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* and the value of ret_buffer is undefined.
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*
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* This function attempts to execute the _CRS method contained in
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* the object indicated by the passed device_handle.
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*
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******************************************************************************/
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acpi_status
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acpi_get_current_resources(acpi_handle device_handle,
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struct acpi_buffer *ret_buffer)
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{
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acpi_status status;
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struct acpi_namespace_node *node;
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ACPI_FUNCTION_TRACE(acpi_get_current_resources);
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/* Validate parameters then dispatch to internal routine */
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status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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status = acpi_rs_get_crs_method_data(node, ret_buffer);
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return_ACPI_STATUS(status);
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}
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ACPI_EXPORT_SYMBOL(acpi_get_current_resources)
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#ifdef ACPI_FUTURE_USAGE
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/*******************************************************************************
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*
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* FUNCTION: acpi_get_possible_resources
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*
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* PARAMETERS: device_handle - Handle to the device object for the
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* device we are querying
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* ret_buffer - Pointer to a buffer to receive the
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* resources for the device
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*
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* RETURN: Status
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*
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232 |
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* DESCRIPTION: This function is called to get a list of the possible resources
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* for a specific device. The caller must first acquire a handle
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* for the desired device. The resource data is placed in the
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* buffer pointed to by the ret_buffer variable.
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*
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* If the function fails an appropriate status will be returned
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* and the value of ret_buffer is undefined.
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*
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240 |
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******************************************************************************/
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acpi_status
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acpi_get_possible_resources(acpi_handle device_handle,
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struct acpi_buffer *ret_buffer)
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244 |
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{
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245 |
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acpi_status status;
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struct acpi_namespace_node *node;
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247 |
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248 |
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ACPI_FUNCTION_TRACE(acpi_get_possible_resources);
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249 |
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250 |
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/* Validate parameters then dispatch to internal routine */
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251 |
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|
252 |
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status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
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253 |
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if (ACPI_FAILURE(status)) {
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254 |
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return_ACPI_STATUS(status);
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255 |
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}
|
256 |
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|
257 |
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status = acpi_rs_get_prs_method_data(node, ret_buffer);
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258 |
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return_ACPI_STATUS(status);
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259 |
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}
|
260 |
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|
261 |
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ACPI_EXPORT_SYMBOL(acpi_get_possible_resources)
|
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#endif /* ACPI_FUTURE_USAGE */
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263 |
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/*******************************************************************************
|
264 |
|
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*
|
265 |
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* FUNCTION: acpi_set_current_resources
|
266 |
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*
|
267 |
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* PARAMETERS: device_handle - Handle to the device object for the
|
268 |
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* device we are setting resources
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269 |
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* in_buffer - Pointer to a buffer containing the
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270 |
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* resources to be set for the device
|
271 |
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*
|
272 |
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* RETURN: Status
|
273 |
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*
|
274 |
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* DESCRIPTION: This function is called to set the current resources for a
|
275 |
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* specific device. The caller must first acquire a handle for
|
276 |
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* the desired device. The resource data is passed to the routine
|
277 |
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* the buffer pointed to by the in_buffer variable.
|
278 |
|
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*
|
279 |
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******************************************************************************/
|
280 |
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acpi_status
|
281 |
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acpi_set_current_resources(acpi_handle device_handle,
|
282 |
|
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struct acpi_buffer *in_buffer)
|
283 |
|
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{
|
284 |
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acpi_status status;
|
285 |
|
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struct acpi_namespace_node *node;
|
286 |
|
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|
287 |
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ACPI_FUNCTION_TRACE(acpi_set_current_resources);
|
288 |
|
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|
289 |
|
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/* Validate the buffer, don't allow zero length */
|
290 |
|
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|
291 |
|
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if ((!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) {
|
292 |
|
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return_ACPI_STATUS(AE_BAD_PARAMETER);
|
293 |
|
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}
|
294 |
|
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|
295 |
|
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/* Validate parameters then dispatch to internal routine */
|
296 |
|
|
|
297 |
|
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status = acpi_rs_validate_parameters(device_handle, in_buffer, &node);
|
298 |
|
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if (ACPI_FAILURE(status)) {
|
299 |
|
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return_ACPI_STATUS(status);
|
300 |
|
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}
|
301 |
|
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|
302 |
|
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status = acpi_rs_set_srs_method_data(node, in_buffer);
|
303 |
|
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return_ACPI_STATUS(status);
|
304 |
|
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}
|
305 |
|
|
|
306 |
|
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ACPI_EXPORT_SYMBOL(acpi_set_current_resources)
|
307 |
|
|
|
308 |
|
|
/******************************************************************************
|
309 |
|
|
*
|
310 |
|
|
* FUNCTION: acpi_resource_to_address64
|
311 |
|
|
*
|
312 |
|
|
* PARAMETERS: Resource - Pointer to a resource
|
313 |
|
|
* Out - Pointer to the users's return buffer
|
314 |
|
|
* (a struct acpi_resource_address64)
|
315 |
|
|
*
|
316 |
|
|
* RETURN: Status
|
317 |
|
|
*
|
318 |
|
|
* DESCRIPTION: If the resource is an address16, address32, or address64,
|
319 |
|
|
* copy it to the address64 return buffer. This saves the
|
320 |
|
|
* caller from having to duplicate code for different-sized
|
321 |
|
|
* addresses.
|
322 |
|
|
*
|
323 |
|
|
******************************************************************************/
|
324 |
|
|
acpi_status
|
325 |
|
|
acpi_resource_to_address64(struct acpi_resource *resource,
|
326 |
|
|
struct acpi_resource_address64 *out)
|
327 |
|
|
{
|
328 |
|
|
struct acpi_resource_address16 *address16;
|
329 |
|
|
struct acpi_resource_address32 *address32;
|
330 |
|
|
|
331 |
|
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if (!resource || !out) {
|
332 |
|
|
return (AE_BAD_PARAMETER);
|
333 |
|
|
}
|
334 |
|
|
|
335 |
|
|
/* Convert 16 or 32 address descriptor to 64 */
|
336 |
|
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|
337 |
|
|
switch (resource->type) {
|
338 |
|
|
case ACPI_RESOURCE_TYPE_ADDRESS16:
|
339 |
|
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|
340 |
|
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address16 = (struct acpi_resource_address16 *)&resource->data;
|
341 |
|
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ACPI_COPY_ADDRESS(out, address16);
|
342 |
|
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break;
|
343 |
|
|
|
344 |
|
|
case ACPI_RESOURCE_TYPE_ADDRESS32:
|
345 |
|
|
|
346 |
|
|
address32 = (struct acpi_resource_address32 *)&resource->data;
|
347 |
|
|
ACPI_COPY_ADDRESS(out, address32);
|
348 |
|
|
break;
|
349 |
|
|
|
350 |
|
|
case ACPI_RESOURCE_TYPE_ADDRESS64:
|
351 |
|
|
|
352 |
|
|
/* Simple copy for 64 bit source */
|
353 |
|
|
|
354 |
|
|
ACPI_MEMCPY(out, &resource->data,
|
355 |
|
|
sizeof(struct acpi_resource_address64));
|
356 |
|
|
break;
|
357 |
|
|
|
358 |
|
|
default:
|
359 |
|
|
return (AE_BAD_PARAMETER);
|
360 |
|
|
}
|
361 |
|
|
|
362 |
|
|
return (AE_OK);
|
363 |
|
|
}
|
364 |
|
|
|
365 |
|
|
ACPI_EXPORT_SYMBOL(acpi_resource_to_address64)
|
366 |
|
|
|
367 |
|
|
/*******************************************************************************
|
368 |
|
|
*
|
369 |
|
|
* FUNCTION: acpi_get_vendor_resource
|
370 |
|
|
*
|
371 |
|
|
* PARAMETERS: device_handle - Handle for the parent device object
|
372 |
|
|
* Name - Method name for the parent resource
|
373 |
|
|
* (METHOD_NAME__CRS or METHOD_NAME__PRS)
|
374 |
|
|
* Uuid - Pointer to the UUID to be matched.
|
375 |
|
|
* includes both subtype and 16-byte UUID
|
376 |
|
|
* ret_buffer - Where the vendor resource is returned
|
377 |
|
|
*
|
378 |
|
|
* RETURN: Status
|
379 |
|
|
*
|
380 |
|
|
* DESCRIPTION: Walk a resource template for the specified evice to find a
|
381 |
|
|
* vendor-defined resource that matches the supplied UUID and
|
382 |
|
|
* UUID subtype. Returns a struct acpi_resource of type Vendor.
|
383 |
|
|
*
|
384 |
|
|
******************************************************************************/
|
385 |
|
|
acpi_status
|
386 |
|
|
acpi_get_vendor_resource(acpi_handle device_handle,
|
387 |
|
|
char *name,
|
388 |
|
|
struct acpi_vendor_uuid * uuid,
|
389 |
|
|
struct acpi_buffer * ret_buffer)
|
390 |
|
|
{
|
391 |
|
|
struct acpi_vendor_walk_info info;
|
392 |
|
|
acpi_status status;
|
393 |
|
|
|
394 |
|
|
/* Other parameters are validated by acpi_walk_resources */
|
395 |
|
|
|
396 |
|
|
if (!uuid || !ret_buffer) {
|
397 |
|
|
return (AE_BAD_PARAMETER);
|
398 |
|
|
}
|
399 |
|
|
|
400 |
|
|
info.uuid = uuid;
|
401 |
|
|
info.buffer = ret_buffer;
|
402 |
|
|
info.status = AE_NOT_EXIST;
|
403 |
|
|
|
404 |
|
|
/* Walk the _CRS or _PRS resource list for this device */
|
405 |
|
|
|
406 |
|
|
status =
|
407 |
|
|
acpi_walk_resources(device_handle, name,
|
408 |
|
|
acpi_rs_match_vendor_resource, &info);
|
409 |
|
|
if (ACPI_FAILURE(status)) {
|
410 |
|
|
return (status);
|
411 |
|
|
}
|
412 |
|
|
|
413 |
|
|
return (info.status);
|
414 |
|
|
}
|
415 |
|
|
|
416 |
|
|
ACPI_EXPORT_SYMBOL(acpi_get_vendor_resource)
|
417 |
|
|
|
418 |
|
|
/*******************************************************************************
|
419 |
|
|
*
|
420 |
|
|
* FUNCTION: acpi_rs_match_vendor_resource
|
421 |
|
|
*
|
422 |
|
|
* PARAMETERS: acpi_walk_resource_callback
|
423 |
|
|
*
|
424 |
|
|
* RETURN: Status
|
425 |
|
|
*
|
426 |
|
|
* DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
|
427 |
|
|
*
|
428 |
|
|
******************************************************************************/
|
429 |
|
|
static acpi_status
|
430 |
|
|
acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
|
431 |
|
|
{
|
432 |
|
|
struct acpi_vendor_walk_info *info = context;
|
433 |
|
|
struct acpi_resource_vendor_typed *vendor;
|
434 |
|
|
struct acpi_buffer *buffer;
|
435 |
|
|
acpi_status status;
|
436 |
|
|
|
437 |
|
|
/* Ignore all descriptors except Vendor */
|
438 |
|
|
|
439 |
|
|
if (resource->type != ACPI_RESOURCE_TYPE_VENDOR) {
|
440 |
|
|
return (AE_OK);
|
441 |
|
|
}
|
442 |
|
|
|
443 |
|
|
vendor = &resource->data.vendor_typed;
|
444 |
|
|
|
445 |
|
|
/*
|
446 |
|
|
* For a valid match, these conditions must hold:
|
447 |
|
|
*
|
448 |
|
|
* 1) Length of descriptor data must be at least as long as a UUID struct
|
449 |
|
|
* 2) The UUID subtypes must match
|
450 |
|
|
* 3) The UUID data must match
|
451 |
|
|
*/
|
452 |
|
|
if ((vendor->byte_length < (ACPI_UUID_LENGTH + 1)) ||
|
453 |
|
|
(vendor->uuid_subtype != info->uuid->subtype) ||
|
454 |
|
|
(ACPI_MEMCMP(vendor->uuid, info->uuid->data, ACPI_UUID_LENGTH))) {
|
455 |
|
|
return (AE_OK);
|
456 |
|
|
}
|
457 |
|
|
|
458 |
|
|
/* Validate/Allocate/Clear caller buffer */
|
459 |
|
|
|
460 |
|
|
buffer = info->buffer;
|
461 |
|
|
status = acpi_ut_initialize_buffer(buffer, resource->length);
|
462 |
|
|
if (ACPI_FAILURE(status)) {
|
463 |
|
|
return (status);
|
464 |
|
|
}
|
465 |
|
|
|
466 |
|
|
/* Found the correct resource, copy and return it */
|
467 |
|
|
|
468 |
|
|
ACPI_MEMCPY(buffer->pointer, resource, resource->length);
|
469 |
|
|
buffer->length = resource->length;
|
470 |
|
|
|
471 |
|
|
/* Found the desired descriptor, terminate resource walk */
|
472 |
|
|
|
473 |
|
|
info->status = AE_OK;
|
474 |
|
|
return (AE_CTRL_TERMINATE);
|
475 |
|
|
}
|
476 |
|
|
|
477 |
|
|
/*******************************************************************************
|
478 |
|
|
*
|
479 |
|
|
* FUNCTION: acpi_walk_resources
|
480 |
|
|
*
|
481 |
|
|
* PARAMETERS: device_handle - Handle to the device object for the
|
482 |
|
|
* device we are querying
|
483 |
|
|
* Name - Method name of the resources we want
|
484 |
|
|
* (METHOD_NAME__CRS or METHOD_NAME__PRS)
|
485 |
|
|
* user_function - Called for each resource
|
486 |
|
|
* Context - Passed to user_function
|
487 |
|
|
*
|
488 |
|
|
* RETURN: Status
|
489 |
|
|
*
|
490 |
|
|
* DESCRIPTION: Retrieves the current or possible resource list for the
|
491 |
|
|
* specified device. The user_function is called once for
|
492 |
|
|
* each resource in the list.
|
493 |
|
|
*
|
494 |
|
|
******************************************************************************/
|
495 |
|
|
acpi_status
|
496 |
|
|
acpi_walk_resources(acpi_handle device_handle,
|
497 |
|
|
char *name,
|
498 |
|
|
acpi_walk_resource_callback user_function, void *context)
|
499 |
|
|
{
|
500 |
|
|
acpi_status status;
|
501 |
|
|
struct acpi_buffer buffer;
|
502 |
|
|
struct acpi_resource *resource;
|
503 |
|
|
struct acpi_resource *resource_end;
|
504 |
|
|
|
505 |
|
|
ACPI_FUNCTION_TRACE(acpi_walk_resources);
|
506 |
|
|
|
507 |
|
|
/* Parameter validation */
|
508 |
|
|
|
509 |
|
|
if (!device_handle || !user_function || !name ||
|
510 |
|
|
(!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
|
511 |
|
|
!ACPI_COMPARE_NAME(name, METHOD_NAME__PRS))) {
|
512 |
|
|
return_ACPI_STATUS(AE_BAD_PARAMETER);
|
513 |
|
|
}
|
514 |
|
|
|
515 |
|
|
/* Get the _CRS or _PRS resource list */
|
516 |
|
|
|
517 |
|
|
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
|
518 |
|
|
status = acpi_rs_get_method_data(device_handle, name, &buffer);
|
519 |
|
|
if (ACPI_FAILURE(status)) {
|
520 |
|
|
return_ACPI_STATUS(status);
|
521 |
|
|
}
|
522 |
|
|
|
523 |
|
|
/* Buffer now contains the resource list */
|
524 |
|
|
|
525 |
|
|
resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
|
526 |
|
|
resource_end =
|
527 |
|
|
ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
|
528 |
|
|
|
529 |
|
|
/* Walk the resource list until the end_tag is found (or buffer end) */
|
530 |
|
|
|
531 |
|
|
while (resource < resource_end) {
|
532 |
|
|
|
533 |
|
|
/* Sanity check the resource */
|
534 |
|
|
|
535 |
|
|
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
|
536 |
|
|
status = AE_AML_INVALID_RESOURCE_TYPE;
|
537 |
|
|
break;
|
538 |
|
|
}
|
539 |
|
|
|
540 |
|
|
/* Invoke the user function, abort on any error returned */
|
541 |
|
|
|
542 |
|
|
status = user_function(resource, context);
|
543 |
|
|
if (ACPI_FAILURE(status)) {
|
544 |
|
|
if (status == AE_CTRL_TERMINATE) {
|
545 |
|
|
|
546 |
|
|
/* This is an OK termination by the user function */
|
547 |
|
|
|
548 |
|
|
status = AE_OK;
|
549 |
|
|
}
|
550 |
|
|
break;
|
551 |
|
|
}
|
552 |
|
|
|
553 |
|
|
/* end_tag indicates end-of-list */
|
554 |
|
|
|
555 |
|
|
if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
|
556 |
|
|
break;
|
557 |
|
|
}
|
558 |
|
|
|
559 |
|
|
/* Get the next resource descriptor */
|
560 |
|
|
|
561 |
|
|
resource =
|
562 |
|
|
ACPI_ADD_PTR(struct acpi_resource, resource,
|
563 |
|
|
resource->length);
|
564 |
|
|
}
|
565 |
|
|
|
566 |
|
|
ACPI_FREE(buffer.pointer);
|
567 |
|
|
return_ACPI_STATUS(status);
|
568 |
|
|
}
|
569 |
|
|
|
570 |
|
|
ACPI_EXPORT_SYMBOL(acpi_walk_resources)
|