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>

diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 4496bc6..ce45f3f 100644 (file)
--- 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;
 }