Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH v3 2/2] dmaengine: omap-dma: Do not suppress interrupts for memcpy | Date | Tue, 5 Apr 2016 15:20:21 +0300 |
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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@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 6ea9044d8b71..1e984e18c126 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -955,9 +955,7 @@ 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; -- 2.8.0
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