@@ -196,6 +196,10 @@ static void free_event_data(struct work_struct *work)
 	/* Free the sink buffers, if there are any */
 	free_sink_buffer(event_data);
 
+	/* clear any configuration we were using */
+	if (event_data->cfg_hash)
+		cscfg_deactivate_config(event_data->cfg_hash);
+
 	for_each_cpu(cpu, mask) {
 		struct list_head **ppath;
 

@@ -254,7 +258,7 @@ static void etm_free_aux(void *data)
 static void *etm_setup_aux(struct perf_event *event, void **pages,
 			   int nr_pages, bool overwrite)
 {
-	u32 id;
+	u32 id, cfg_hash;
 	int cpu = event->cpu;
 	cpumask_t *mask;
 	struct coresight_device *sink = NULL;

@@ -271,6 +275,14 @@ static void *etm_setup_aux(struct perf_event *event, void **pages,
 		sink = coresight_get_sink_by_id(id);
 	}
 
+	/* check if user wants a coresight configuration selected */
+	cfg_hash = (u32)((event->attr.config2 & GENMASK_ULL(63, 32)) >> 32);
+	if (cfg_hash) {
+		if (cscfg_activate_config(cfg_hash))
+			goto err;
+		event_data->cfg_hash = cfg_hash;
+	}
+
 	mask = &event_data->mask;
 
 	/*

@@ -49,12 +49,14 @@ struct etm_filters {
  * @work:		Handle to free allocated memory outside IRQ context.
  * @mask:		Hold the CPU(s) this event was set for.
  * @snk_config:		The sink configuration.
+ * @cfg_hash:		The hash id of any coresight config selected.
  * @path:		An array of path, each slot for one CPU.
  */
 struct etm_event_data {
 	struct work_struct work;
 	cpumask_t mask;
 	void *snk_config;
+	u32 cfg_hash;
 	struct list_head * __percpu *path;
 };