Commit 58b8d51b authored by Mathieu Poirier's avatar Mathieu Poirier Committed by Greg Kroah-Hartman

coresight: adding comments to remove ambiguity

Add comment to function coresight_enable_path() to make
sure there is no misunderstanding about what the code does.
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1d27ff5a
...@@ -240,6 +240,11 @@ static int coresight_enable_path(struct list_head *path) ...@@ -240,6 +240,11 @@ static int coresight_enable_path(struct list_head *path)
int ret = 0; int ret = 0;
struct coresight_device *cd; 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) { list_for_each_entry(cd, path, path_link) {
if (cd == list_first_entry(path, struct coresight_device, if (cd == list_first_entry(path, struct coresight_device,
path_link)) { path_link)) {
......
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