dmaengine: ack to flags: make use of the unused bits in the 'ack' field

[h-e-n] / drivers / dma / dmaengine.c

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index af6911a..d6dc70f 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -478,7 +478,8 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest,
 
        dma_src = dma_map_single(dev->dev, src, len, DMA_TO_DEVICE);
        dma_dest = dma_map_single(dev->dev, dest, len, DMA_FROM_DEVICE);
-       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, 0);
+       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
+                                        DMA_CTRL_ACK);
 
        if (!tx) {
                dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
@@ -486,7 +487,6 @@ dma_async_memcpy_buf_to_buf(struct dma_chan *chan, void *dest,
                return -ENOMEM;
        }
 
-       tx->ack = 1;
        tx->callback = NULL;
        cookie = tx->tx_submit(tx);
 
@@ -524,7 +524,8 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page,
 
        dma_src = dma_map_single(dev->dev, kdata, len, DMA_TO_DEVICE);
        dma_dest = dma_map_page(dev->dev, page, offset, len, DMA_FROM_DEVICE);
-       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, 0);
+       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
+                                        DMA_CTRL_ACK);
 
        if (!tx) {
                dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE);
@@ -532,7 +533,6 @@ dma_async_memcpy_buf_to_pg(struct dma_chan *chan, struct page *page,
                return -ENOMEM;
        }
 
-       tx->ack = 1;
        tx->callback = NULL;
        cookie = tx->tx_submit(tx);
 
@@ -573,7 +573,8 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg,
        dma_src = dma_map_page(dev->dev, src_pg, src_off, len, DMA_TO_DEVICE);
        dma_dest = dma_map_page(dev->dev, dest_pg, dest_off, len,
                                DMA_FROM_DEVICE);
-       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, 0);
+       tx = dev->device_prep_dma_memcpy(chan, dma_dest, dma_src, len,
+                                        DMA_CTRL_ACK);
 
        if (!tx) {
                dma_unmap_page(dev->dev, dma_src, len, DMA_TO_DEVICE);
@@ -581,7 +582,6 @@ dma_async_memcpy_pg_to_pg(struct dma_chan *chan, struct page *dest_pg,
                return -ENOMEM;
        }
 
-       tx->ack = 1;
        tx->callback = NULL;
        cookie = tx->tx_submit(tx);