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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>
Vinod Koul 9 anni fa
parent
commit
b2d8984f3e
1 ha cambiato i file con 2 aggiunte e 1 eliminazioni
  1. 2 1
      drivers/dma/dmaengine.c

+ 2 - 1
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;
 
 	/*