279 		 * if the device doesn't have any graph connections  in of_get_coresight_platform_data()
325 /* ACPI Graph _DSD UUID : "ab02a46b-74c7-45a2-bd68-f7d344ef2153" */
329 /* Coresight ACPI Graph UUID : "3ecbc8b6-1d0e-4fb3-8107-e627f805c6cd" */
382  * acpi_validate_dsd_graph	- Make sure the given _DSD graph conforms
383  * to the ACPI _DSD Graph specification.
385  * ACPI Devices Graph property has the following format:
389  *	Graph[1],
391  *	Graph[N]
394  * And each Graph entry has the following format:
396  *	GraphID		- Integer, identifying a graph the device belongs to.
398  *			  this graph. (e.g, see is_acpi_coresight_graph())
399  *	NumberOfLinks	- Number "N" of connections on this node of the graph.
429  *	ToUUID("ab02a46b-74c7-45a2-bd68-f7d344ef2153"), // ACPI Graph UUID
433  *	  Package() {	// Graph[0] Package
435  *	     // Coresight Graph UUID
444  *	  }	// End of Graph[0] Package
446  *	}, // End of ACPI Graph Property
449 static inline bool acpi_validate_dsd_graph(const union acpi_object *graph)  in acpi_validate_dsd_graph()  argument
454 	/* The graph must contain at least the Revision and Number of Graphs */  in acpi_validate_dsd_graph()
455 	if (graph->package.count < 2)  in acpi_validate_dsd_graph()
458 	rev = &graph->package.elements[0];  in acpi_validate_dsd_graph()
459 	nr_graphs = &graph->package.elements[1];  in acpi_validate_dsd_graph()
470 	/* CoreSight devices are only part of a single Graph */  in acpi_validate_dsd_graph()
474 	/* Make sure the ACPI graph package has right number of elements */  in acpi_validate_dsd_graph()
475 	if (graph->package.count != (n + 2))  in acpi_validate_dsd_graph()
479 	 * Each entry must be a graph package with at least 3 members :  in acpi_validate_dsd_graph()
483 		const union acpi_object *obj = &graph->package.elements[i];  in acpi_validate_dsd_graph()
493 /* acpi_get_dsd_graph	- Find the _DSD Graph property for the given device. */
510 	 * Iterate through all the packages and find the Graph.  in acpi_get_dsd_graph()
521 		/* Skip the non-Graph _DSD packages */  in acpi_get_dsd_graph()
526 		/* Invalid graph format, continue */  in acpi_get_dsd_graph()
527 		dev_warn(&adev->dev, "Invalid Graph _DSD property\n");  in acpi_get_dsd_graph()
540 	 * Graph must have the following fields :  in acpi_validate_coresight_graph()
551  * the Graph property matching the CoreSight Graphs.
553  * Returns the pointer to the CoreSight Graph Package when found. Otherwise
559 	const union acpi_object *graph_list, *graph;  in acpi_get_coresight_graph()  local
569 		graph = &graph_list->package.elements[i];  in acpi_get_coresight_graph()
570 		if (!is_acpi_coresight_graph(graph))  in acpi_get_coresight_graph()
572 		if (acpi_validate_coresight_graph(graph))  in acpi_get_coresight_graph()
573 			return graph;  in acpi_get_coresight_graph()
574 		/* Invalid graph format */  in acpi_get_coresight_graph()
582  * acpi_coresight_parse_link	- Parse the given Graph connection
586  * CoreSight Graph specification mandates that the direction of the data
655  * acpi_coresight_parse_graph	- Parse the _DSD CoreSight graph
665 	const union acpi_object *graph;  in acpi_coresight_parse_graph()  local
670 	graph = acpi_get_coresight_graph(adev, &buf);  in acpi_coresight_parse_graph()
672 	 * There are no graph connections, which is fine for some components.  in acpi_coresight_parse_graph()
675 	if (!graph)  in acpi_coresight_parse_graph()
678 	nlinks = graph->package.elements[2].integer.value;  in acpi_coresight_parse_graph()
683 		const union acpi_object *link = &graph->package.elements[3 + i];  in acpi_coresight_parse_graph()