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dmaengine: Mark the struct dma_slave_config direction field deprecated

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The direction passed to the device_prep_slave_sg, device_prep_dma_cyclic
or device_prep_interleaved_dma (through struct dma_interleaved_template)
should be used instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Laurent Pinchart 2014-08-20 19:20:53 +02:00 committed by Vinod Koul
parent 22843545b2
commit d9ff958bb3
1 changed files with 3 additions and 1 deletions
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4
include/linux/dmaengine.h
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@ -307,7 +307,9 @@ enum dma_slave_buswidth {
* struct dma_slave_config - dma slave channel runtime config * struct dma_slave_config - dma slave channel runtime config
* @direction: whether the data shall go in or out on this slave * @direction: whether the data shall go in or out on this slave
* channel, right now. DMA_MEM_TO_DEV and DMA_DEV_TO_MEM are * channel, right now. DMA_MEM_TO_DEV and DMA_DEV_TO_MEM are
* legal values. * legal values. DEPRECATED, drivers should use the direction argument
* to the device_prep_slave_sg and device_prep_dma_cyclic functions or
* the dir field in the dma_interleaved_template structure.
* @src_addr: this is the physical address where DMA slave data * @src_addr: this is the physical address where DMA slave data
* should be read (RX), if the source is memory this argument is * should be read (RX), if the source is memory this argument is
* ignored. * ignored.