crypto: ux500: use dmaengine_device_control API

Use dmaengine_device_control inline function instead of going through the
structures manually.
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/crypto/ux500/cryp/cryp_core.c

@@ -607,12 +607,12 @@ static void cryp_dma_done(struct cryp_ctx *ctx)
 	dev_dbg(ctx->device->dev, "[%s]: ", __func__);
 
 	chan = ctx->device->dma.chan_mem2cryp;
-	chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
+	dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0);
 	dma_unmap_sg(chan->device->dev, ctx->device->dma.sg_src,
 		     ctx->device->dma.sg_src_len, DMA_TO_DEVICE);
 
 	chan = ctx->device->dma.chan_cryp2mem;
-	chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
+	dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0);
 	dma_unmap_sg(chan->device->dev, ctx->device->dma.sg_dst,
 		     ctx->device->dma.sg_dst_len, DMA_FROM_DEVICE);
 }

drivers/crypto/ux500/hash/hash_core.c

@@ -203,7 +203,7 @@ static void hash_dma_done(struct hash_ctx *ctx)
 	struct dma_chan *chan;
 
 	chan = ctx->device->dma.chan_mem2hash;
-	chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
+	dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0);
 	dma_unmap_sg(chan->device->dev, ctx->device->dma.sg,
 			ctx->device->dma.sg_len, DMA_TO_DEVICE);