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authorShawn Guo <shawn.guo@linaro.org>2016-12-15 17:03:36 +0300
committerVinod Koul <vinod.koul@intel.com>2017-01-02 08:23:48 +0300
commitfc318d64f3d91e15babac00e08354b1beb650b57 (patch)
treedc3445eb38b6f3e83e8765a498b6b4d6a204cc6b
parent253f9f4412e0113fd83471e9a3b1aa9f85ce87c3 (diff)
downloadlinux-fc318d64f3d91e15babac00e08354b1beb650b57.tar.xz
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>
-rw-r--r--drivers/dma/zx_dma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c
index 380276d078b2..33155c6816cc 100644
--- a/drivers/dma/zx_dma.c
+++ b/drivers/dma/zx_dma.c
@@ -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;