drivers/acpi/acpica/nsdumpdv.c

Source file repositories/reference/linux-study-clean/drivers/acpi/acpica/nsdumpdv.c

File Facts

System
Linux kernel
Corpus path
drivers/acpi/acpica/nsdumpdv.c
Extension
.c
Size
2940 bytes
Lines
107
Domain
Driver Families
Bucket
drivers/acpi
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: nsdump - table dumping routines for debug
 *
 * Copyright (C) 2000 - 2026, Intel Corp.
 *
 *****************************************************************************/

#include <acpi/acpi.h>

/* TBD: This entire module is apparently obsolete and should be removed */

#define _COMPONENT          ACPI_NAMESPACE
ACPI_MODULE_NAME("nsdumpdv")
#ifdef ACPI_OBSOLETE_FUNCTIONS
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
#include "acnamesp.h"
/*******************************************************************************
 *
 * FUNCTION:    acpi_ns_dump_one_device
 *
 * PARAMETERS:  handle              - Node to be dumped
 *              level               - Nesting level of the handle
 *              context             - Passed into walk_namespace
 *              return_value        - Not used
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Dump a single Node that represents a device
 *              This procedure is a user_function called by acpi_ns_walk_namespace.
 *
 ******************************************************************************/
static acpi_status
acpi_ns_dump_one_device(acpi_handle obj_handle,
			u32 level, void *context, void **return_value)
{
	struct acpi_buffer buffer;
	struct acpi_device_info *info;
	acpi_status status;
	u32 i;

	ACPI_FUNCTION_NAME(ns_dump_one_device);

	status =
	    acpi_ns_dump_one_object(obj_handle, level, context, return_value);

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
	status = acpi_get_object_info(obj_handle, &buffer);
	if (ACPI_SUCCESS(status)) {
		info = buffer.pointer;
		for (i = 0; i < level; i++) {
			ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
		}

		ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
				      "    HID: %s, ADR: %8.8X%8.8X\n",
				      info->hardware_id.value,
				      ACPI_FORMAT_UINT64(info->address)));
		ACPI_FREE(info);
	}

	return (status);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ns_dump_root_devices
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Dump all objects of type "device"
 *
 ******************************************************************************/

void acpi_ns_dump_root_devices(void)
{
	acpi_handle sys_bus_handle;
	acpi_status status;

	ACPI_FUNCTION_NAME(ns_dump_root_devices);

	/* Only dump the table if tracing is enabled */

	if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
		return;
	}

Annotation

Implementation Notes