| Message ID | 20211215110115.191749-5-tudor.ambarus@microchip.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 506875c30fc5bf92246060bc3b4c38799646266b |
| Headers | show |
| Series | dmaengine: at_xdmac: Various fixes | expand |
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 7d3560acedbb..83c031207530 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1703,11 +1703,10 @@ static void at_xdmac_tasklet(struct tasklet_struct *t) } txd = &desc->tx_dma_desc; - + dma_cookie_complete(txd); at_xdmac_remove_xfer(atchan, desc); spin_unlock_irq(&atchan->lock); - dma_cookie_complete(txd); if (txd->flags & DMA_PREP_INTERRUPT) dmaengine_desc_get_callback_invoke(txd, NULL);
Caller of dma_cookie_complete is expected to hold a lock to prevent concurrency over the channel's completed cookie marker. Call dma_cookie_complete() with the lock held. Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver") Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- drivers/dma/at_xdmac.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)