linux-kernel - [PATCH 1/1] dmaengine: remove obsolete comment reference to dma_data

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Date:	Wed, 11 Dec 2013 10:07:02 +0400
From:	Alexander Popov <a13xp0p0v88@...il.com>
To:	Gerhard Sittig <gsi@...x.de>,
	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Arnd Bergmann <arnd@...db.de>,
	Anatolij Gustschin <agust@...x.de>,
	Alexander Popov <a13xp0p0v88@...il.com>,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] dmaengine: remove obsolete comment reference to dma_data_direction

enum dma_transfer_direction is currently used
in struct dma_slave_config, so update the comment

Signed-off-by: Alexander Popov <a13xp0p0v88@...il.com>
---
 include/linux/dmaengine.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 41cf0c3..bd6b882 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -305,9 +305,8 @@ enum dma_slave_buswidth {
 /**
  * struct dma_slave_config - dma slave channel runtime config
  * @direction: whether the data shall go in or out on this slave
- * channel, right now. DMA_TO_DEVICE and DMA_FROM_DEVICE are
- * legal values, DMA_BIDIRECTIONAL is not acceptable since we
- * need to differentiate source and target addresses.
+ * channel, right now. DMA_MEM_TO_DEV and DMA_DEV_TO_MEM are
+ * legal values.
  * @src_addr: this is the physical address where DMA slave data
  * should be read (RX), if the source is memory this argument is
  * ignored.
-- 
1.8.4.2

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