dmaengine: Remove the context argument to the prep_dma_cyclic operation

The argument is always set to NULL and never used. Remove it.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index a55d754..d5149aa 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2362,7 +2362,7 @@
 static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic(
 		struct dma_chan *chan, dma_addr_t dma_addr, size_t len,
 		size_t period_len, enum dma_transfer_direction direction,
-		unsigned long flags, void *context)
+		unsigned long flags)
 {
 	struct dma_pl330_desc *desc = NULL, *first = NULL;
 	struct dma_pl330_chan *pch = to_pchan(chan);