Merge tag 'topic/drm-fixes-2015-08-14' of git://anongit.freedesktop.org/drm-intel...
[firefly-linux-kernel-4.4.55.git] / drivers / dma / virt-dma.c
index 7d2c17d8d30fc1a4f1efd9c7471bc1e5cbdc794c..6f80432a3f0a3d74bf9a4612712ad6edf4875edc 100644 (file)
@@ -29,7 +29,7 @@ dma_cookie_t vchan_tx_submit(struct dma_async_tx_descriptor *tx)
        spin_lock_irqsave(&vc->lock, flags);
        cookie = dma_cookie_assign(tx);
 
-       list_move_tail(&vd->node, &vc->desc_submitted);
+       list_add_tail(&vd->node, &vc->desc_submitted);
        spin_unlock_irqrestore(&vc->lock, flags);
 
        dev_dbg(vc->chan.device->dev, "vchan %p: txd %p[%x]: submitted\n",
@@ -83,10 +83,8 @@ static void vchan_complete(unsigned long arg)
                cb_data = vd->tx.callback_param;
 
                list_del(&vd->node);
-               if (async_tx_test_ack(&vd->tx))
-                       list_add(&vd->node, &vc->desc_allocated);
-               else
-                       vc->desc_free(vd);
+
+               vc->desc_free(vd);
 
                if (cb)
                        cb(cb_data);
@@ -98,13 +96,9 @@ void vchan_dma_desc_free_list(struct virt_dma_chan *vc, struct list_head *head)
        while (!list_empty(head)) {
                struct virt_dma_desc *vd = list_first_entry(head,
                        struct virt_dma_desc, node);
-               if (async_tx_test_ack(&vd->tx)) {
-                       list_move_tail(&vd->node, &vc->desc_allocated);
-               } else {
-                       dev_dbg(vc->chan.device->dev, "txd %p: freeing\n", vd);
-                       list_del(&vd->node);
-                       vc->desc_free(vd);
-               }
+               list_del(&vd->node);
+               dev_dbg(vc->chan.device->dev, "txd %p: freeing\n", vd);
+               vc->desc_free(vd);
        }
 }
 EXPORT_SYMBOL_GPL(vchan_dma_desc_free_list);
@@ -114,7 +108,6 @@ void vchan_init(struct virt_dma_chan *vc, struct dma_device *dmadev)
        dma_cookie_init(&vc->chan);
 
        spin_lock_init(&vc->lock);
-       INIT_LIST_HEAD(&vc->desc_allocated);
        INIT_LIST_HEAD(&vc->desc_submitted);
        INIT_LIST_HEAD(&vc->desc_issued);
        INIT_LIST_HEAD(&vc->desc_completed);