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    Subject[PATCH v1 7/7] dmaengine: stm32-mdma: enable descriptor_reuse
    Date
    enable reuse to spare descriptors creation on critical UC.

    Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
    ---
    Version history:
    v1:
    * Initial
    ---
    ---
    drivers/dma/stm32-mdma.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
    index 6b6e63b..80a17dd 100644
    --- a/drivers/dma/stm32-mdma.c
    +++ b/drivers/dma/stm32-mdma.c
    @@ -1715,6 +1715,8 @@ static int stm32_mdma_probe(struct platform_device *pdev)
    dd->device_resume = stm32_mdma_resume;
    dd->device_terminate_all = stm32_mdma_terminate_all;
    dd->device_synchronize = stm32_mdma_synchronize;
    + dd->descriptor_reuse = true;
    +
    dd->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) |
    BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |
    BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) |
    --
    2.7.4
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