dmaengine: imx-dma: remove dma_slave_config direction usage

dma_slave_config direction was marked as deprecated quite some
time back, remove the usage from this driver so that the field
can be removed
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/imx-dma.c

@@ -162,6 +162,7 @@ struct imxdma_channel {
 	bool				enabled_2d;
 	int				slot_2d;
 	unsigned int			irq;
+	struct dma_slave_config		config;
 };
 
 enum imx_dma_type {
@@ -675,14 +676,15 @@ static int imxdma_terminate_all(struct dma_chan *chan)
 	return 0;
 }
 
-static int imxdma_config(struct dma_chan *chan,
-			 struct dma_slave_config *dmaengine_cfg)
+static int imxdma_config_write(struct dma_chan *chan,
+			       struct dma_slave_config *dmaengine_cfg,
+			       enum dma_transfer_direction direction)
 {
 	struct imxdma_channel *imxdmac = to_imxdma_chan(chan);
 	struct imxdma_engine *imxdma = imxdmac->imxdma;
 	unsigned int mode = 0;
 
-	if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {
+	if (direction == DMA_DEV_TO_MEM) {
 		imxdmac->per_address = dmaengine_cfg->src_addr;
 		imxdmac->watermark_level = dmaengine_cfg->src_maxburst;
 		imxdmac->word_size = dmaengine_cfg->src_addr_width;
@@ -723,6 +725,16 @@ static int imxdma_config(struct dma_chan *chan,
 	return 0;
 }
 
+static int imxdma_config(struct dma_chan *chan,
+			 struct dma_slave_config *dmaengine_cfg)
+{
+	struct imxdma_channel *imxdmac = to_imxdma_chan(chan);
+
+	memcpy(&imxdmac->config, dmaengine_cfg, sizeof(*dmaengine_cfg));
+
+	return 0;
+}
+
 static enum dma_status imxdma_tx_status(struct dma_chan *chan,
 					    dma_cookie_t cookie,
 					    struct dma_tx_state *txstate)
@@ -905,6 +917,8 @@ static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic(
 	desc->desc.callback = NULL;
 	desc->desc.callback_param = NULL;
 
+	imxdma_config_write(chan, &imxdmac->config, direction);
+
 	return &desc->desc;
 }