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| author | Vinod Koul <vinod.koul@intel.com> | 2016-04-06 00:31:33 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-04-06 00:31:33 +0200 |
| commit | b2d8984f3e7c84303e4d1cbd40d9e8cefd3c9737 (patch) | |
| tree | 3c928d7f71240597e1a553deabea19a6ccdfd5fa /drivers/dma/dmaengine.c | |
| parent | Linux 4.6-rc1 (diff) | |
| download | linux-b2d8984f3e7c84303e4d1cbd40d9e8cefd3c9737.tar.xz linux-b2d8984f3e7c84303e4d1cbd40d9e8cefd3c9737.zip | |
dmaengine: add DMA_CYCLIC to dma_get_slave_caps
dma_get_slave_caps() API only checked for slave capability where
we use slave capabilities for cyclic dma operations as well, so we
should add the cyclic case here too.
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/dmaengine.c')
| -rw-r--r-- | drivers/dma/dmaengine.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 0cb259c59916..3e55755e0ff1 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -482,7 +482,8 @@ int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps) device = chan->device; /* check if the channel supports slave transactions */ - if (!test_bit(DMA_SLAVE, device->cap_mask.bits)) + if ((!test_bit(DMA_SLAVE, device->cap_mask.bits)) || + (!test_bit(DMA_CYCLIC, device->cap_mask.bits))) return -ENXIO; /* |