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authorMaxime Ripard <maxime.ripard@free-electrons.com>2015-07-20 10:41:32 +0200
committerVinod Koul <vinod.koul@intel.com>2015-08-05 07:23:52 +0200
commit77a68e56aae141d3e9c740a0ac43362af75d4890 (patch)
tree331c81fe450bb885ec34ccedc4fd57fdc1bc68e5 /drivers/dma/edma.c
parentdmaengine: shdma: Make dummy shdma_chan_filter() always return false (diff)
downloadlinux-77a68e56aae141d3e9c740a0ac43362af75d4890.tar.xz
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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/edma.c')
-rw-r--r--drivers/dma/edma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 88853af69489..3e5d4f193005 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -1000,7 +1000,7 @@ static void edma_dma_init(struct edma_cc *ecc, struct dma_device *dma,
* code using dma memcpy must make sure alignment of
* length is at dma->copy_align boundary.
*/
- dma->copy_align = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ dma->copy_align = DMAENGINE_ALIGN_4_BYTES;
INIT_LIST_HEAD(&dma->channels);
}