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, 2 insertions, 13 deletions

diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index ee40dbba1879..e5d4b97b7fd5 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -909,13 +909,7 @@ static enum dma_status iop_adma_status(struct dma_chan *chan,
 
         last_used = chan->cookie;
         last_complete = iop_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);
         ret = dma_async_is_complete(cookie, last_complete, last_used);
         if (ret == DMA_SUCCESS)
                 return ret;
@@ -924,12 +918,7 @@ static enum dma_status iop_adma_status(struct dma_chan *chan,
 
         last_used = chan->cookie;
         last_complete = iop_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);
 }