dmaengine: ep93xx_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>

diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index a155923..f674eb5 100644 (file)
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -109,6 +109,9 @@
 #define DMA_MAX_CHAN_DESCRIPTORS       32
 
 struct ep93xx_dma_engine;
+static int ep93xx_dma_slave_config_write(struct dma_chan *chan,
+                                        enum dma_transfer_direction dir,
+                                        struct dma_slave_config *config);
 
 /**
  * struct ep93xx_dma_desc - EP93xx specific transaction descriptor
@@ -180,6 +183,7 @@ struct ep93xx_dma_chan {
        struct list_head                free_list;
        u32                             runtime_addr;
        u32                             runtime_ctrl;
+       struct dma_slave_config         slave_config;
 };
 
 /**
@@ -1051,6 +1055,8 @@ ep93xx_dma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
                return NULL;
        }
 
+       ep93xx_dma_slave_config_write(chan, dir, &edmac->slave_config);
+
        first = NULL;
        for_each_sg(sgl, sg, sg_len, i) {
                size_t len = sg_dma_len(sg);
@@ -1136,6 +1142,8 @@ ep93xx_dma_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
                return NULL;
        }
 
+       ep93xx_dma_slave_config_write(chan, dir, &edmac->slave_config);
+
        /* Split the buffer into period size chunks */
        first = NULL;
        for (offset = 0; offset < buf_len; offset += period_len) {
@@ -1227,6 +1235,17 @@ static int ep93xx_dma_slave_config(struct dma_chan *chan,
                                   struct dma_slave_config *config)
 {
        struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan);
+
+       memcpy(&edmac->slave_config, config, sizeof(*config));
+
+       return 0;
+}
+
+static int ep93xx_dma_slave_config_write(struct dma_chan *chan,
+                                        enum dma_transfer_direction dir,
+                                        struct dma_slave_config *config)
+{
+       struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan);
        enum dma_slave_buswidth width;
        unsigned long flags;
        u32 addr, ctrl;
@@ -1234,7 +1253,7 @@ static int ep93xx_dma_slave_config(struct dma_chan *chan,
        if (!edmac->edma->m2m)
                return -EINVAL;
 
-       switch (config->direction) {
+       switch (dir) {
        case DMA_DEV_TO_MEM:
                width = config->src_addr_width;
                addr = config->src_addr;