iop-adma: cleanup iop_adma_run_tx_complete_actions

Replace 'desc->async_tx.' with 'tx->'

[ Impact: pure cleanup ]

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 10 insertions, 9 deletions

diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 4496bc606662..ce45f3fb0343 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -61,17 +61,18 @@ static dma_cookie_t
 iop_adma_run_tx_complete_actions(struct iop_adma_desc_slot *desc,
         struct iop_adma_chan *iop_chan, dma_cookie_t cookie)
 {
-        BUG_ON(desc->async_tx.cookie < 0);
-        if (desc->async_tx.cookie > 0) {
-                cookie = desc->async_tx.cookie;
-                desc->async_tx.cookie = 0;
+        struct dma_async_tx_descriptor *tx = &desc->async_tx;
+
+        BUG_ON(tx->cookie < 0);
+        if (tx->cookie > 0) {
+                cookie = tx->cookie;
+                tx->cookie = 0;
 
                 /* call the callback (must not sleep or submit new
                  * operations to this channel)
                  */
-                if (desc->async_tx.callback)
-                        desc->async_tx.callback(
-                                desc->async_tx.callback_param);
+                if (tx->callback)
+                        tx->callback(tx->callback_param);
 
                 /* unmap dma addresses
                  * (unmap_single vs unmap_page?)
@@ -81,7 +82,7 @@ iop_adma_run_tx_complete_actions(struct iop_adma_desc_slot *desc,
                         struct device *dev =
                                 &iop_chan->device->pdev->dev;
                         u32 len = unmap->unmap_len;
-                        enum dma_ctrl_flags flags = desc->async_tx.flags;
+                        enum dma_ctrl_flags flags = tx->flags;
                         u32 src_cnt;
                         dma_addr_t addr;
                         dma_addr_t dest;
@@ -115,7 +116,7 @@ iop_adma_run_tx_complete_actions(struct iop_adma_desc_slot *desc,
         }
 
         /* run dependent operations */
-        dma_run_dependencies(&desc->async_tx);
+        dma_run_dependencies(tx);
 
         return cookie;
 }