Commit fc318d64 authored Dec 15, 2016 by Shawn Guo Committed by Vinod Koul Jan 02, 2017

dmaengine: zx: set DMA_CYCLIC cap_mask bit



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>

parent 253f9f44

drivers/dma/zx_dma.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -812,6 +812,7 @@ 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;

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