We need the callback to support the dmaengine_terminate_sync().
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
drivers/dma/omap-dma.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index e691f48f9d73..7c6a300b6b57 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -1007,6 +1007,13 @@ static int omap_dma_terminate_all(struct dma_chan *chan)
return 0;
}
+static void omap_dma_synchronize(struct dma_chan *c)
+{
+ struct omap_chan *c = to_omap_dma_chan(chan);
+
+ vchan_synchronize(&c->vc);
+}
+
static int omap_dma_pause(struct dma_chan *chan)
{
struct omap_chan *c = to_omap_dma_chan(chan);
@@ -1110,6 +1117,7 @@ static int omap_dma_probe(struct platform_device *pdev)
od->ddev.device_pause = omap_dma_pause;
od->ddev.device_resume = omap_dma_resume;
od->ddev.device_terminate_all = omap_dma_terminate_all;
+ od-ddev.device_synchronize = omap_dma_synchronize;
od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS;
od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
--
2.7.1
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