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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2009-12-10 18:35:15 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-12-10 23:43:19 -0700 |
| commit | a88f6667078412e5eff37ead68a043ee0ec9f1da (patch) | |
| tree | 81f51a6a14670a8902d454e84eec1de444c2a09a /include/linux/dmaengine.h | |
| parent | 86d61b33e48f1da5a6b310d3de93187db62ab72a (diff) | |
| download | lwn-a88f6667078412e5eff37ead68a043ee0ec9f1da.tar.gz lwn-a88f6667078412e5eff37ead68a043ee0ec9f1da.zip | |
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@gmx.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | 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 2b9f2ac7ed60..78784982b33e 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) |