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| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-07-20 10:41:32 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-08-05 07:23:52 +0200 |
| commit | 77a68e56aae141d3e9c740a0ac43362af75d4890 (patch) | |
| tree | 331c81fe450bb885ec34ccedc4fd57fdc1bc68e5 /drivers/dma/imx-dma.c | |
| parent | dmaengine: shdma: Make dummy shdma_chan_filter() always return false (diff) | |
| download | linux-77a68e56aae141d3e9c740a0ac43362af75d4890.tar.xz linux-77a68e56aae141d3e9c740a0ac43362af75d4890.zip | |
dmaengine: Add an enum for the dmaengine alignment constraints
Most drivers need to set constraints on the buffer alignment for async tx
operations. However, even though it is documented, some drivers either use
a defined constant that is not matching what the alignment variable expects
(like DMA_BUSWIDTH_* constants) or fill the alignment in bytes instead of
power of two.
Add a new enum for these alignments that matches what the framework
expects, and convert the drivers to it.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/imx-dma.c')
| -rw-r--r-- | drivers/dma/imx-dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 139c5676cd74..48d85f8b95fe 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -1187,7 +1187,7 @@ static int __init imxdma_probe(struct platform_device *pdev) platform_set_drvdata(pdev, imxdma); - imxdma->dma_device.copy_align = 2; /* 2^2 = 4 bytes alignment */ + imxdma->dma_device.copy_align = DMAENGINE_ALIGN_4_BYTES; imxdma->dma_device.dev->dma_parms = &imxdma->dma_parms; dma_set_max_seg_size(imxdma->dma_device.dev, 0xffffff); |