| Message ID | 1444231603-26676-4-git-send-email-mathieu.poirier@linaro.org |
|---|---|
| State | Accepted |
| Commit | 58b8d51b841eff6473df4d25959a2ec335b7cb85 |
| Headers | show |
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 894531d315b8..e25492137d8b 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -240,6 +240,11 @@ static int coresight_enable_path(struct list_head *path) int ret = 0; struct coresight_device *cd; + /* + * At this point we have a full @path, from source to sink. The + * sink is the first entry and the source the last one. Go through + * all the components and enable them one by one. + */ list_for_each_entry(cd, path, path_link) { if (cd == list_first_entry(path, struct coresight_device, path_link)) {
Add comment to function coresight_enable_path() to make sure there is no misunderstanding about what the code does. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> --- drivers/hwtracing/coresight/coresight.c | 5 +++++ 1 file changed, 5 insertions(+)