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-rw-r--r--drivers/dma/sh/rcar-dmac.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 433e98260414..74c9563222bc 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1202,6 +1202,10 @@ static enum dma_status rcar_dmac_tx_status(struct dma_chan *chan,
residue = rcar_dmac_chan_get_residue(rchan, cookie);
spin_unlock_irqrestore(&rchan->lock, flags);
+ /* if there's no residue, the cookie is complete */
+ if (!residue)
+ return DMA_COMPLETE;
+
dma_set_residue(txstate, residue);
return status;