Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

dmaengine: clarify the meaning of the DMA_CTRL_ACK flag

Browse source 
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>
This commit is contained in:
Guennadi Liakhovetski 2009-12-10 18:35:15 +01:00 committed by Dan Williams
parent 86d61b33e4
commit a88f666707
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
include/linux/dmaengine.h
View file

@ -74,7 +74,7 @@ enum dma_transaction_type {
* control completion, and communicate status. * control completion, and communicate status.
* @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of * @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of
* this transaction * 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 * acknowledges receipt, i.e. has has a chance to establish any dependency
* chains * chains
* @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s) * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s)