dmaengine: provide helper for setting txstate

Simple conditional struct filler to cut out some duplicated code.

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

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 23399672239e..26f48ef94c5c 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -158,11 +158,7 @@ ioat_tx_status(struct dma_chan *c, dma_cookie_t cookie,
         last_used = c->cookie;
         last_complete = chan->completed_cookie;
 
-        if (txstate) {
-                txstate->last = last_complete;
-                txstate->used = last_used;
-                txstate->residue = 0;
-        }
+        dma_set_tx_state(txstate, last_complete, last_used, 0);
 
         return dma_async_is_complete(cookie, last_complete, last_used);
 }