From: Shawn Guo Date: Thu, 15 Dec 2016 14:03:36 +0000 (+0800) Subject: dmaengine: zx: set DMA_CYCLIC cap_mask bit X-Git-Tag: v4.9.66~39 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e7918c60da9c1d081f3f19cb46301b04e1f085c9;p=platform%2Fkernel%2Flinux-amlogic.git dmaengine: zx: set DMA_CYCLIC cap_mask bit [ 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 Reviewed-by: Jun Nie Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- 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;