From: Shawn Guo shawn.guo@linaro.org
[ Upstream commit fc318d64f3d91e15babac00e08354b1beb650b57 ]
The zx_dma driver supports cyclic transfer mode. Let's set DMA_CYCLIC cap_mask bit to make that clear, and avoid unnecessary failure when clients request channel via dma_request_chan_by_mask() with DMA_CYCLIC bit set in mask.
Signed-off-by: Shawn Guo shawn.guo@linaro.org Reviewed-by: Jun Nie jun.nie@linaro.org Signed-off-by: Vinod Koul vinod.koul@intel.com Signed-off-by: Sasha Levin alexander.levin@verizon.com --- drivers/dma/zx296702_dma.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/zx296702_dma.c b/drivers/dma/zx296702_dma.c index 245d759d5ffc..6059d81e701a 100644 --- a/drivers/dma/zx296702_dma.c +++ b/drivers/dma/zx296702_dma.c @@ -813,6 +813,7 @@ static int zx_dma_probe(struct platform_device *op) INIT_LIST_HEAD(&d->slave.channels); dma_cap_set(DMA_SLAVE, d->slave.cap_mask); dma_cap_set(DMA_MEMCPY, d->slave.cap_mask); + dma_cap_set(DMA_CYCLIC, d->slave.cap_mask); dma_cap_set(DMA_PRIVATE, d->slave.cap_mask); d->slave.dev = &op->dev; d->slave.device_free_chan_resources = zx_dma_free_chan_resources;