Re: [PATCH for-stable] dmaengine: stm32-dma: fix incomplete configuration in cyclic mode

On Tue, Oct 16, 2018 at 05:00:03PM -0700, Joel Fernandes (Google) wrote:

From: Pierre Yves MORDRET pierre-yves.mordret@st.com

commit e57cb3b3f10d005410f09d4598cc6d62b833f2b0 upstream.

When in cyclic mode, the configuration is updated after having started the DMA hardware (STM32_DMA_SCR_EN) leading to incomplete configuration of SMxAR registers.

Signed-off-by: Pierre-Yves MORDRET pierre-yves.mordret@st.com Signed-off-by: Hugues Fruchet hugues.fruchet@st.com Signed-off-by: Vinod Koul vinod.koul@intel.com

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drivers/dma/stm32-dma.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)

I'm just guessing you want this for 4.14.y? I've added it there. If not, please give me a hint :)