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-rw-r--r--drivers/hwtracing/coresight/coresight-etm-perf.c1
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc-etr.c3
-rw-r--r--include/linux/coresight.h10
3 files changed, 9 insertions, 5 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index f677c08233ba..5c256af6e54a 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -520,6 +520,7 @@ static void etm_event_start(struct perf_event *event, int flags)
goto out;
path = etm_event_cpu_path(event_data, cpu);
+ path->handle = handle;
/* We need a sink, no need to continue without one */
sink = coresight_get_sink(path);
if (WARN_ON_ONCE(!sink))
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 800be06598c1..60b0e0a6da05 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -1334,7 +1334,8 @@ out:
struct etr_buf *tmc_etr_get_buffer(struct coresight_device *csdev,
enum cs_mode mode, void *data)
{
- struct perf_output_handle *handle = data;
+ struct coresight_path *path = data;
+ struct perf_output_handle *handle = path->handle;
struct etr_perf_buffer *etr_perf;
switch (mode) {
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 6de59ce8ef8c..2626105e3719 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -332,12 +332,14 @@ static struct coresight_dev_list (var) = { \
/**
* struct coresight_path - data needed by enable/disable path
- * @path_list: path from source to sink.
- * @trace_id: trace_id of the whole path.
+ * @path_list: path from source to sink.
+ * @trace_id: trace_id of the whole path.
+ * @handle: handle of the aux_event.
*/
struct coresight_path {
- struct list_head path_list;
- u8 trace_id;
+ struct list_head path_list;
+ u8 trace_id;
+ struct perf_output_handle *handle;
};
enum cs_mode {