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| author | Nuno Sá <nuno.sa@analog.com> | 2026-03-03 13:25:00 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2026-03-09 10:28:21 +0300 |
| commit | 5f88899ec7531e1680b1003f32584d7da5922902 (patch) | |
| tree | a63de797afc883651cd267a2c8f1aaa4d3dbf3e2 /include | |
| parent | 28c829977f4072b23f2fd8d341c2795eec0d5bcb (diff) | |
| download | linux-5f88899ec7531e1680b1003f32584d7da5922902.tar.xz | |
dmaengine: Document cyclic transfer for dmaengine_prep_peripheral_dma_vec()
Document that the DMA_PREP_REPEAT flag can be used with the
dmaengine_prep_peripheral_dma_vec() to mark a transfer as cyclic similar
to dmaengine_prep_dma_cyclic().
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20260303-axi-dac-cyclic-support-v2-1-0db27b4be95a@analog.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dmaengine.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 99efe2b9b4ea..b3d251c9734e 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -996,7 +996,8 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( * @vecs: The array of DMA vectors that should be transferred * @nents: The number of DMA vectors in the array * @dir: Specifies the direction of the data transfer - * @flags: DMA engine flags + * @flags: DMA engine flags - DMA_PREP_REPEAT can be used to mark a cyclic + * DMA transfer */ static inline struct dma_async_tx_descriptor *dmaengine_prep_peripheral_dma_vec( struct dma_chan *chan, const struct dma_vec *vecs, size_t nents, |