linux-kernel - [PATCH 3/3] dmaengine: clarify the meaning of the DMA_CTRL

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Message-ID: <Pine.LNX.4.64.0912101833520.4487@axis700.grange>
Date:	Thu, 10 Dec 2009 18:35:15 +0100 (CET)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	linux-kernel@...r.kernel.org
cc:	Dan Williams <dan.j.williams@...el.com>, linux-sh@...r.kernel.org
Subject: [PATCH 3/3] dmaengine: clarify the meaning of the DMA_CTRL_ACK flag

DMA_CTRL_ACK's description applies to its clear state, not to its set state.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@....de>
---
 include/linux/dmaengine.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 2b9f2ac..7878498 100644
--- a/include/linux/dmaengine.h
+++ b/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)
-- 
1.6.2.4

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