1 files changed, 10 insertions, 9 deletions

diff --git a/chip/stm32/dma.c b/chip/stm32/dma.c
index 935ffed038..ab8e8f2d58 100644
--- a/chip/stm32/dma.c
+++ b/chip/stm32/dma.c
@@ -78,8 +78,6 @@ static void prepare_channel(struct dma_channel *chan, unsigned count,
 	REG32(&chan->ccr) = ctrl;
 
 	ctrl |= flags;
-	ctrl |= 0 << 10; /* MSIZE (memory size in bytes) */
-	ctrl |= 1 << 8;  /* PSIZE (16-bits for now) */
 	REG32(&chan->ccr) = ctrl;
 }
 
@@ -89,19 +87,22 @@ void dma_go(struct dma_channel *chan)
 	REG32(&chan->ccr) |= DMA_EN;
 }
 
-void dma_prepare_tx(struct dma_channel *chan, unsigned count, void *periph,
-	       const void *memory)
+void dma_prepare_tx(const struct dma_option *option, unsigned count,
+		    const void *memory)
 {
-	prepare_channel(chan, count, periph, memory,
-				DMA_MINC_MASK | DMA_DIR_FROM_MEM_MASK);
+	struct dma_channel *chan = dma_get_channel(option->channel);
+
+	prepare_channel(chan, count, option->periph, memory,
+			DMA_MINC_MASK | DMA_DIR_FROM_MEM_MASK | option->flags);
 }
 
-int dma_start_rx(unsigned channel, unsigned count, void *periph,
+int dma_start_rx(const struct dma_option *option, unsigned count,
 		 const void *memory)
 {
-	struct dma_channel *chan = dma_get_channel(channel);
+	struct dma_channel *chan = dma_get_channel(option->channel);
 
-	prepare_channel(chan, count, periph, memory, DMA_MINC_MASK);
+	prepare_channel(chan, count, option->periph, memory,
+			DMA_MINC_MASK | option->flags);
 	dma_go(chan);
 	return 0;
 }