1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index bf0d7e4e345b..7292aa87b2dd 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -39,7 +39,6 @@
  */
 
 #define ATC_DEFAULT_CFG         (ATC_FIFOCFG_HALFFIFO)
-#define ATC_DEFAULT_CTRLA       (0)
 #define ATC_DEFAULT_CTRLB       (ATC_SIF(AT_DMA_MEM_IF) \
                                 |ATC_DIF(AT_DMA_MEM_IF))
 
@@ -574,7 +573,6 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
                 return NULL;
         }
 
-        ctrla =   ATC_DEFAULT_CTRLA;
         ctrlb =   ATC_DEFAULT_CTRLB | ATC_IEN
                 | ATC_SRC_ADDR_MODE_INCR
                 | ATC_DST_ADDR_MODE_INCR
@@ -585,13 +583,13 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
          * of the most common optimization.
          */
         if (!((src | dest  | len) & 3)) {
-                ctrla |= ATC_SRC_WIDTH_WORD | ATC_DST_WIDTH_WORD;
+                ctrla = ATC_SRC_WIDTH_WORD | ATC_DST_WIDTH_WORD;
                 src_width = dst_width = 2;
         } else if (!((src | dest | len) & 1)) {
-                ctrla |= ATC_SRC_WIDTH_HALFWORD | ATC_DST_WIDTH_HALFWORD;
+                ctrla = ATC_SRC_WIDTH_HALFWORD | ATC_DST_WIDTH_HALFWORD;
                 src_width = dst_width = 1;
         } else {
-                ctrla |= ATC_SRC_WIDTH_BYTE | ATC_DST_WIDTH_BYTE;
+                ctrla = ATC_SRC_WIDTH_BYTE | ATC_DST_WIDTH_BYTE;
                 src_width = dst_width = 0;
         }
 
@@ -668,7 +666,8 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
                 return NULL;
         }
 
-        ctrla = ATC_DEFAULT_CTRLA | atslave->ctrla;
+        ctrla =   ATC_SCSIZE(sconfig->src_maxburst)
+                | ATC_DCSIZE(sconfig->dst_maxburst);
         ctrlb = ATC_IEN;
 
         switch (direction) {
@@ -796,12 +795,12 @@ atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
                 enum dma_transfer_direction direction)
 {
         struct at_dma_chan      *atchan = to_at_dma_chan(chan);
-        struct at_dma_slave     *atslave = chan->private;
         struct dma_slave_config *sconfig = &atchan->dma_sconfig;
         u32                     ctrla;
 
         /* prepare common CRTLA value */
-        ctrla =   ATC_DEFAULT_CTRLA | atslave->ctrla
+        ctrla =   ATC_SCSIZE(sconfig->src_maxburst)
+                | ATC_DCSIZE(sconfig->dst_maxburst)
                 | ATC_DST_WIDTH(reg_width)
                 | ATC_SRC_WIDTH(reg_width)
                 | period_len >> reg_width;