diff --git a/Documentation/driver-api/dmaengine/client.rst b/Documentation/driver-api/dmaengine/client.rst
index ba913c2dd12729347af20bc630f368d81b3abee1..09a3f66dcd263e4e366eb49cb489b6d7455ec648 100644
--- a/Documentation/driver-api/dmaengine/client.rst
+++ b/Documentation/driver-api/dmaengine/client.rst
@@ -344,8 +344,9 @@ Further APIs
    the documentation in include/linux/dmaengine.h for a more complete
    description of this API.
 
-   This can be used with the cookie returned from dmaengine_submit()
-   to check for completion of a specific DMA transaction.
+   This can be used in conjunction with dma_async_is_complete() and
+   the cookie returned from dmaengine_submit() to check for
+   completion of a specific DMA transaction.
 
    .. note::
 
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index fd52556c3edb416efee06ce659eb9685bebd9111..a24882ba37643db58ba982a53e1da00d6873ffbb 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1544,6 +1544,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt(
 }
 
 /*
+ * Code accessing dma_async_is_complete() in a tight loop may give problems.
  * If slaves are relying on interrupts to signal completion this function
  * must not be called with interrupts disabled.
  */
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 90f9fc4c36dc2917591585621c5911c0070e7a74..7eaee5b705b1bf47bb7c78301550cd5751720ee2 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1464,7 +1464,8 @@ static int atc_terminate_all(struct dma_chan *chan)
  * @txstate: if not %NULL updated with transaction state
  *
  * If @txstate is passed in, upon return it reflect the driver
- * internal state.
+ * internal state and can be used with dma_async_is_complete() to check
+ * the status of multiple cookies without re-checking hardware state.
  */
 static enum dma_status
 atc_tx_status(struct dma_chan *chan,
diff --git a/drivers/dma/dmaengine.h b/drivers/dma/dmaengine.h
index e72876a512a39684479b6efd6dd2bcd2df26c0ea..86e505fafcb0880efa0a30703e2ad52df7125d96 100644
--- a/drivers/dma/dmaengine.h
+++ b/drivers/dma/dmaengine.h
@@ -79,15 +79,7 @@ static inline enum dma_status dma_cookie_status(struct dma_chan *chan,
 		state->residue = 0;
 		state->in_flight_bytes = 0;
 	}
-
-	if (complete <= used) {
-		if ((cookie <= complete) || (cookie > used))
-			return DMA_COMPLETE;
-	} else {
-		if ((cookie <= complete) && (cookie > used))
-			return DMA_COMPLETE;
-	}
-	return DMA_IN_PROGRESS;
+	return dma_async_is_complete(cookie, complete, used);
 }
 
 static inline void dma_set_tx_state(struct dma_tx_state *st,
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 8d63e30c79f87f2ffc0e8401bd8b020fdfafadf4..beb2559be91c95b78cf6d5625176c45260098859 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -1434,9 +1434,9 @@ static inline void dma_async_issue_pending(struct dma_chan *chan)
  * @last: returns last completed cookie, can be NULL
  * @used: returns last issued cookie, can be NULL
  *
- * If @last and @used are passed in, upon return they reflect the most
- * recently submitted (used) cookie and the most recently completed
- * cookie.
+ * If @last and @used are passed in, upon return they reflect the driver
+ * internal state and can be used with dma_async_is_complete() to check
+ * the status of multiple cookies without re-checking hardware state.
  */
 static inline enum dma_status dma_async_is_tx_complete(struct dma_chan *chan,
 	dma_cookie_t cookie, dma_cookie_t *last, dma_cookie_t *used)
@@ -1452,6 +1452,28 @@ static inline enum dma_status dma_async_is_tx_complete(struct dma_chan *chan,
 	return status;
 }
 
+/**
+ * dma_async_is_complete - test a cookie against chan state
+ * @cookie: transaction identifier to test status of
+ * @last_complete: last know completed transaction
+ * @last_used: last cookie value handed out
+ *
+ * dma_async_is_complete() is used in dma_async_is_tx_complete()
+ * the test logic is separated for lightweight testing of multiple cookies
+ */
+static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie,
+			dma_cookie_t last_complete, dma_cookie_t last_used)
+{
+	if (last_complete <= last_used) {
+		if ((cookie <= last_complete) || (cookie > last_used))
+			return DMA_COMPLETE;
+	} else {
+		if ((cookie <= last_complete) && (cookie > last_used))
+			return DMA_COMPLETE;
+	}
+	return DMA_IN_PROGRESS;
+}
+
 #ifdef CONFIG_DMA_ENGINE
 struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type);
 enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie);