diff mbox series

[1/3] dmaengine: stm32-dma: mark pending descriptor complete in terminate_all

Message ID 20211011094259.315023-2-amelie.delaunay@foss.st.com (mailing list archive)
State Accepted
Commit 79e40b06a4ebfc8e0a48ed6164345f8e0a96b699
Headers show
Series dmaengine: stm32-dma: some corner case fixes | expand

Commit Message

Amelie Delaunay Oct. 11, 2021, 9:42 a.m. UTC
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 mbox series

Patch

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);