[PATCH v2 2/2] dmaengine: omap-dma: Do not suppress interrupts for memcpy

Peter Ujfalusi peter.ujfalusi at ti.com
Thu Mar 10 05:28:47 PST 2016


If the client queues up more transfers the driver will not able to move to
the next transfer without knowing that the previous descriptor is
completed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 drivers/dma/omap-dma.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index a37001f72ebf..f7498681be82 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -953,9 +953,7 @@ static struct dma_async_tx_descriptor *omap_dma_prep_dma_memcpy(
 	d->ccr = c->ccr;
 	d->ccr |= CCR_DST_AMODE_POSTINC | CCR_SRC_AMODE_POSTINC;
 
-	d->cicr = CICR_DROP_IE;
-	if (tx_flags & DMA_PREP_INTERRUPT)
-		d->cicr |= CICR_FRAME_IE;
+	d->cicr = CICR_DROP_IE | CICR_FRAME_IE;
 
 	d->csdp = data_type;
 
-- 
2.7.2




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