struct ucsi_work {
struct delayed_work work;
+ struct list_head node;
unsigned long delay;
unsigned int count;
struct ucsi_connector *con;
mutex_lock(&con->lock);
if (!con->partner) {
+ list_del(&uwork->node);
mutex_unlock(&con->lock);
kfree(uwork);
return;
ret = uwork->cb(con);
- if (uwork->count-- && (ret == -EBUSY || ret == -ETIMEDOUT))
+ if (uwork->count-- && (ret == -EBUSY || ret == -ETIMEDOUT)) {
queue_delayed_work(con->wq, &uwork->work, uwork->delay);
- else
+ } else {
+ list_del(&uwork->node);
kfree(uwork);
+ }
mutex_unlock(&con->lock);
}
uwork->con = con;
uwork->cb = cb;
+ list_add_tail(&uwork->node, &con->partner_tasks);
queue_delayed_work(con->wq, &uwork->work, delay);
return 0;
INIT_WORK(&con->work, ucsi_handle_connector_change);
init_completion(&con->complete);
mutex_init(&con->lock);
+ INIT_LIST_HEAD(&con->partner_tasks);
con->num = index + 1;
con->ucsi = ucsi;
ucsi_unregister_altmodes(&ucsi->connector[i],
UCSI_RECIPIENT_CON);
ucsi_unregister_port_psy(&ucsi->connector[i]);
- if (ucsi->connector[i].wq)
+
+ if (ucsi->connector[i].wq) {
+ struct ucsi_work *uwork;
+
+ mutex_lock(&ucsi->connector[i].lock);
+ /*
+ * queue delayed items immediately so they can execute
+ * and free themselves before the wq is destroyed
+ */
+ list_for_each_entry(uwork, &ucsi->connector[i].partner_tasks, node)
+ mod_delayed_work(ucsi->connector[i].wq, &uwork->work, 0);
+ mutex_unlock(&ucsi->connector[i].lock);
destroy_workqueue(ucsi->connector[i].wq);
+ }
typec_unregister_port(ucsi->connector[i].port);
}