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[12/12] dmaengine: mmp_tdma: remove dma_slave_config direction usage

Message ID 20180911083536.16482-13-vkoul@kernel.org
State New
Headers show
Series dmaengine: remove usage of dma_slave_config direction | expand

Commit Message

Vinod Koul Sept. 11, 2018, 8:35 a.m. UTC 
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/mmp_tdma.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

-- 
2.14.4
diff mbox series

Patch

diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 13c68b6434ce..c14f8820a567 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -116,6 +116,7 @@  struct mmp_tdma_chan {
 	u32				burst_sz;
 	enum dma_slave_buswidth		buswidth;
 	enum dma_status			status;
+	struct dma_slave_config		slave_config;
 
 	int				idx;
 	enum mmp_tdma_type		type;
@@ -139,6 +140,10 @@  struct mmp_tdma_device {
 
 #define to_mmp_tdma_chan(dchan) container_of(dchan, struct mmp_tdma_chan, chan)
 
+static int mmp_tdma_config_write(struct dma_chan *chan,
+				 enum dma_transfer_direction dir,
+				 struct dma_slave_config *dmaengine_cfg);
+
 static void mmp_tdma_chan_set_desc(struct mmp_tdma_chan *tdmac, dma_addr_t phys)
 {
 	writel(phys, tdmac->reg_base + TDNDPR);
@@ -442,6 +447,8 @@  static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic(
 	if (!desc)
 		goto err_out;
 
+	mmp_tdma_config_write(chan, direction, &tdmac->slave_config);
+
 	while (buf < buf_len) {
 		desc = &tdmac->desc_arr[i];
 
@@ -495,7 +502,18 @@  static int mmp_tdma_config(struct dma_chan *chan,
 {
 	struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
 
-	if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {
+	memcpy(&tdmac->slave_config, dmaengine_cfg, sizeof(*dmaengine_cfg));
+
+	return 0;
+}
+
+static int mmp_tdma_config_write(struct dma_chan *chan,
+				 enum dma_transfer_direction dir,
+				 struct dma_slave_config *dmaengine_cfg)
+{
+	struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
+
+	if (dir == DMA_DEV_TO_MEM) {
 		tdmac->dev_addr = dmaengine_cfg->src_addr;
 		tdmac->burst_sz = dmaengine_cfg->src_maxburst;
 		tdmac->buswidth = dmaengine_cfg->src_addr_width;
@@ -504,7 +522,7 @@  static int mmp_tdma_config(struct dma_chan *chan,
 		tdmac->burst_sz = dmaengine_cfg->dst_maxburst;
 		tdmac->buswidth = dmaengine_cfg->dst_addr_width;
 	}
-	tdmac->dir = dmaengine_cfg->direction;
+	tdmac->dir = dir;
 
 	return mmp_tdma_config_chan(chan);
 }