diff --git a/[refs] b/[refs]
index 6b0e124e4285..0005a99e3a80 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 86d61b33e48f1da5a6b310d3de93187db62ab72a
+refs/heads/master: a88f6667078412e5eff37ead68a043ee0ec9f1da
diff --git a/trunk/include/linux/dmaengine.h b/trunk/include/linux/dmaengine.h
index 2b9f2ac7ed60..78784982b33e 100644
--- a/trunk/include/linux/dmaengine.h
+++ b/trunk/include/linux/dmaengine.h
@@ -74,7 +74,7 @@ enum dma_transaction_type {
  *  control completion, and communicate status.
  * @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of
  *  this transaction
- * @DMA_CTRL_ACK - the descriptor cannot be reused until the client
+ * @DMA_CTRL_ACK - if clear, the descriptor cannot be reused until the client
  *  acknowledges receipt, i.e. has has a chance to establish any dependency
  *  chains
  * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s)