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

From: Peter Ujfalusi
Date: Thu Mar 10 2016 - 08:29:52 EST


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@xxxxxx>
---
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