dmaengine: xilinx: xilinx_dma: Fix dma_device directions

Unlike chan->direction , struct dma_device .directions field is a
bitfield. Turn chan->direction into a bitfield to make it compatible
with struct dma_device .directions .

Fixes: 7e01511 ("dmaengine: xilinx_dma: Set dma_device directions")
Signed-off-by: Marek Vasut <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: Marek Vasut

drivers/dma/xilinx/xilinx_dma.c

@@ -3024,7 +3024,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
 		return -EINVAL;
 	}
 
-	xdev->common.directions |= chan->direction;
+	xdev->common.directions |= BIT(chan->direction);
 
 	/* Request the interrupt */
 	chan->irq = of_irq_get(node, chan->tdest);