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dmaengine: Documentation: Fix double spaces in client.txt 

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2016-11-03 07:01:41 -06:00
parent 1001354ca3
commit 4dc7b4365d
1 changed files with 8 additions and 8 deletions
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16
Documentation/dmaengine/client.txt
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@ -37,8 +37,8 @@ The slave DMA usage consists of following steps:
2. Set slave and controller specific parameters
Next step is always to pass some specific information to the DMA
driver. Most of the generic information which a slave DMA can use
is in struct dma_slave_config. This allows the clients to specify
driver. Most of the generic information which a slave DMA can use
is in struct dma_slave_config. This allows the clients to specify
DMA direction, DMA addresses, bus widths, DMA burst lengths etc
for the peripheral.
@ -52,7 +52,7 @@ The slave DMA usage consists of following steps:
struct dma_slave_config *config)
Please see the dma_slave_config structure definition in dmaengine.h
for a detailed explanation of the struct members. Please note
for a detailed explanation of the struct members. Please note
that the 'direction' member will be going away as it duplicates the
direction given in the prepare call.
@ -101,7 +101,7 @@ The slave DMA usage consists of following steps:
desc = dmaengine_prep_slave_sg(chan, sgl, nr_sg, direction, flags);
Once a descriptor has been obtained, the callback information can be
added and the descriptor must then be submitted. Some DMA engine
added and the descriptor must then be submitted. Some DMA engine
drivers may hold a spinlock between a successful preparation and
submission so it is important that these two operations are closely
paired.
@ -138,7 +138,7 @@ The slave DMA usage consists of following steps:
activity via other DMA engine calls not covered in this document.
dmaengine_submit() will not start the DMA operation, it merely adds
it to the pending queue. For this, see step 5, dma_async_issue_pending.
it to the pending queue. For this, see step 5, dma_async_issue_pending.
5. Issue pending DMA requests and wait for callback notification
@ -184,13 +184,13 @@ Further APIs:
3. int dmaengine_resume(struct dma_chan *chan)
Resume a previously paused DMA channel. It is invalid to resume a
Resume a previously paused DMA channel. It is invalid to resume a
channel which is not currently paused.
4. enum dma_status dma_async_is_tx_complete(struct dma_chan *chan,
dma_cookie_t cookie, dma_cookie_t *last, dma_cookie_t *used)
This can be used to check the status of the channel. Please see
This can be used to check the status of the channel. Please see
the documentation in include/linux/dmaengine.h for a more complete
description of this API.
@ -200,7 +200,7 @@ Further APIs:
Note:
Not all DMA engine drivers can return reliable information for
a running DMA channel. It is recommended that DMA engine users
a running DMA channel. It is recommended that DMA engine users
pause or stop (via dmaengine_terminate_all()) the channel before
using this API.