Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH 04/10] dmaengine: edma: Use vchan_terminate_vdesc() instead of desc_free | Date | Tue, 14 Nov 2017 16:32:06 +0200 |
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To avoid race with vchan_complete, use the race free way to terminate running transfer.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- drivers/dma/edma.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 9364a3ed345a..948df1ab5f1a 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -860,11 +860,8 @@ static int edma_terminate_all(struct dma_chan *chan) /* Move the cyclic channel back to default queue */ if (!echan->tc && echan->edesc->cyclic) edma_assign_channel_eventq(echan, EVENTQ_DEFAULT); - /* - * free the running request descriptor - * since it is not in any of the vdesc lists - */ - edma_desc_free(&echan->edesc->vdesc); + + vchan_terminate_vdesc(&echan->edesc->vdesc); echan->edesc = NULL; } -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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