Messages in this thread Patch in this message | | | From | Pierre-Yves MORDRET <> | Subject | [PATCH v1 7/7] dmaengine: stm32-mdma: enable descriptor_reuse | Date | Tue, 11 Sep 2018 09:27:00 +0200 |
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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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