diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-sysfs.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-sysfs.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/hwtracing/coresight/coresight-sysfs.c b/drivers/hwtracing/coresight/coresight-sysfs.c index 34d2a2d31d00..dd78e9fcfc4d 100644 --- a/drivers/hwtracing/coresight/coresight-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-sysfs.c @@ -148,13 +148,17 @@ int coresight_make_links(struct coresight_device *orig, char *outs = NULL, *ins = NULL; struct coresight_sysfs_link *link = NULL; + /* Helper devices aren't shown in sysfs */ + if (conn->dest_port == -1 && conn->src_port == -1) + return 0; + do { outs = devm_kasprintf(&orig->dev, GFP_KERNEL, - "out:%d", conn->outport); + "out:%d", conn->src_port); if (!outs) break; ins = devm_kasprintf(&target->dev, GFP_KERNEL, - "in:%d", conn->child_port); + "in:%d", conn->dest_port); if (!ins) break; link = devm_kzalloc(&orig->dev, @@ -173,12 +177,6 @@ int coresight_make_links(struct coresight_device *orig, break; conn->link = link; - - /* - * Install the device connection. This also indicates that - * the links are operational on both ends. - */ - conn->child_dev = target; return 0; } while (0); @@ -198,9 +196,8 @@ void coresight_remove_links(struct coresight_device *orig, coresight_remove_sysfs_link(conn->link); - devm_kfree(&conn->child_dev->dev, conn->link->target_name); + devm_kfree(&conn->dest_dev->dev, conn->link->target_name); devm_kfree(&orig->dev, conn->link->orig_name); devm_kfree(&orig->dev, conn->link); conn->link = NULL; - conn->child_dev = NULL; } |