[PATCH] dmaengine: idxd: set DMA_INTERRUPT cap bit

[Dave Jiang <dave.jiang@xxxxxxxxx>]

Even though idxd driver has always supported interrupt, it never actually
set the DMA_INTERRUPT cap bit. Rectify this mistake so the interrupt
capability is advertised.

Reported-by: Ben Walker <benjamin.walker@xxxxxxxxx>
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
 drivers/dma/idxd/dma.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/idxd/dma.c b/drivers/dma/idxd/dma.c
index bfff59617d04..13e061944db9 100644
--- a/drivers/dma/idxd/dma.c
+++ b/drivers/dma/idxd/dma.c
@@ -193,6 +193,7 @@ int idxd_register_dma_device(struct idxd_device *idxd)
 	INIT_LIST_HEAD(&dma->channels);
 	dma->dev = dev;
 
+	dma_cap_set(DMA_INTERRUPT, dma->cap_mask);
 	dma_cap_set(DMA_PRIVATE, dma->cap_mask);
 	dma_cap_set(DMA_COMPLETION_NO_ORDER, dma->cap_mask);
 	dma->device_release = idxd_dma_release;