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>
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 8aeda9c..98f82cd 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -752,12 +752,7 @@
last_used = chan->cookie;
last_complete = sh_chan->completed_cookie;
BUG_ON(last_complete < 0);
-
- if (txstate) {
- txstate->last = last_complete;
- txstate->used = last_used;
- txstate->residue = 0;
- }
+ dma_set_tx_state(txstate, last_complete, last_used, 0);
spin_lock_bh(&sh_chan->desc_lock);