1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c
new file mode 100644
index 000000000..b691fe20e
--- /dev/null
+++ b/drivers/acpi/acpica/nsdumpdv.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/******************************************************************************
+ *
+ * Module Name: nsdump - table dumping routines for debug
+ *
+ * Copyright (C) 2000 - 2020, 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;
+	}
+
+	status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
+	if (ACPI_FAILURE(status)) {
+		return;
+	}
+
+	ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
+			  "Display of all devices in the namespace:\n"));
+
+	status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
+					ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
+					acpi_ns_dump_one_device, NULL, NULL,
+					NULL);
+}
+
+#endif
+#endif