1 files changed, 15 insertions, 24 deletions

diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index 45e7b4666c7b..5bcfc55a2776 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -159,20 +159,6 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device)
         return device->common.chancnt;
 }
 
-static void ioat_set_src(dma_addr_t addr,
-                         struct dma_async_tx_descriptor *tx,
-                         int index)
-{
-        tx_to_ioat_desc(tx)->src = addr;
-}
-
-static void ioat_set_dest(dma_addr_t addr,
-                          struct dma_async_tx_descriptor *tx,
-                          int index)
-{
-        tx_to_ioat_desc(tx)->dst = addr;
-}
-
 /**
  * ioat_dma_memcpy_issue_pending - push potentially unrecognized appended
  *                                 descriptors to hw
@@ -415,8 +401,6 @@ static struct ioat_desc_sw *ioat_dma_alloc_descriptor(
 
         memset(desc, 0, sizeof(*desc));
         dma_async_tx_descriptor_init(&desc_sw->async_tx, &ioat_chan->common);
-        desc_sw->async_tx.tx_set_src = ioat_set_src;
-        desc_sw->async_tx.tx_set_dest = ioat_set_dest;
         switch (ioat_chan->device->version) {
         case IOAT_VER_1_2:
                 desc_sw->async_tx.tx_submit = ioat1_tx_submit;
@@ -714,6 +698,8 @@ static struct ioat_desc_sw *ioat_dma_get_next_descriptor(
 
 static struct dma_async_tx_descriptor *ioat1_dma_prep_memcpy(
                                                 struct dma_chan *chan,
+                                                dma_addr_t dma_dest,
+                                                dma_addr_t dma_src,
                                                 size_t len,
                                                 int int_en)
 {
@@ -726,6 +712,8 @@ static struct dma_async_tx_descriptor *ioat1_dma_prep_memcpy(
 
         if (new) {
                 new->len = len;
+                new->dst = dma_dest;
+                new->src = dma_src;
                 return &new->async_tx;
         } else
                 return NULL;
@@ -733,6 +721,8 @@ static struct dma_async_tx_descriptor *ioat1_dma_prep_memcpy(
 
 static struct dma_async_tx_descriptor *ioat2_dma_prep_memcpy(
                                                 struct dma_chan *chan,
+                                                dma_addr_t dma_dest,
+                                                dma_addr_t dma_src,
                                                 size_t len,
                                                 int int_en)
 {
@@ -749,6 +739,8 @@ static struct dma_async_tx_descriptor *ioat2_dma_prep_memcpy(
 
         if (new) {
                 new->len = len;
+                new->dst = dma_dest;
+                new->src = dma_src;
                 return &new->async_tx;
         } else
                 return NULL;
@@ -1045,7 +1037,7 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
         u8 *dest;
         struct dma_chan *dma_chan;
         struct dma_async_tx_descriptor *tx;
-        dma_addr_t addr;
+        dma_addr_t dma_dest, dma_src;
         dma_cookie_t cookie;
         int err = 0;
 
@@ -1073,7 +1065,12 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
                 goto out;
         }
 
-        tx = device->common.device_prep_dma_memcpy(dma_chan, IOAT_TEST_SIZE, 0);
+        dma_src = dma_map_single(dma_chan->device->dev, src, IOAT_TEST_SIZE,
+                                 DMA_TO_DEVICE);
+        dma_dest = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE,
+                                  DMA_FROM_DEVICE);
+        tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src,
+                                                   IOAT_TEST_SIZE, 0);
         if (!tx) {
                 dev_err(&device->pdev->dev,
                         "Self-test prep failed, disabling\n");
@@ -1082,12 +1079,6 @@ static int ioat_dma_self_test(struct ioatdma_device *device)
         }
 
         async_tx_ack(tx);
-        addr = dma_map_single(dma_chan->device->dev, src, IOAT_TEST_SIZE,
-                              DMA_TO_DEVICE);
-        tx->tx_set_src(addr, tx, 0);
-        addr = dma_map_single(dma_chan->device->dev, dest, IOAT_TEST_SIZE,
-                              DMA_FROM_DEVICE);
-        tx->tx_set_dest(addr, tx, 0);
         tx->callback = ioat_dma_test_callback;
         tx->callback_param = (void *)0x8086;
         cookie = tx->tx_submit(tx);