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dma: stm32f4x: By default increment pointer through data passed through memory

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Without this bit set, if we a pass ptr to a string such as:

  "This is a string\n"

The DMA'ed output would be:

  "TTTTTTTTTTTTTTTTTT"

Change-Id: I0186c95ddca0390596d22af2551dbfa6716a5082
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Lee Jones 2017-02-17 12:41:29 +00:00
parent 08aa0c5bb3
commit 845ebe81f4
1 changed files with 2 additions and 1 deletions
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3
drivers/dma/dma_stm32f4x.c
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@ -310,7 +310,8 @@ static int dma_stm32_config_devcpy(struct device *dev, uint32_t id,
DMA_STM32_SCR_MSIZE(src_bus_width) |
DMA_STM32_SCR_PBURST(dst_burst_size) |
DMA_STM32_SCR_MBURST(src_burst_size) |
DMA_STM32_SCR_REQ(ddata->channel_tx);
DMA_STM32_SCR_REQ(ddata->channel_tx) |
DMA_STM32_SCR_MINC;
break;
case PERIPHERAL_TO_MEMORY:
regs->scr = DMA_STM32_SCR_DIR(DMA_STM32_DEV_TO_MEM) |