[PATCH 1/3] dmaengine: stm32-dma: mark pending descriptor complete in terminate_all
From: Amelie Delaunay <amelie.delaunay@foss.st.com>
Date: 2021-10-11 09:43:25
Also in:
dmaengine, lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
To prevent accidental repeated completion, mark pending descriptor complete in terminate_all. It can be the case when terminate_all is called while no end of transfer interrupt occurs. Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com> --- drivers/dma/stm32-dma.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index 9063c727962e..a5ccf3fa95e0 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32-dma.c@@ -497,6 +497,7 @@ static int stm32_dma_terminate_all(struct dma_chan *c) spin_lock_irqsave(&chan->vchan.lock, flags); if (chan->desc) { + dma_cookie_complete(&chan->desc->vdesc.tx); vchan_terminate_vdesc(&chan->desc->vdesc); if (chan->busy) stm32_dma_stop(chan);
--
2.25.1
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