From mboxrd@z Thu Jan 1 00:00:00 1970 From: hamzahfrq.sub@gmail.com Date: Tue, 29 Sep 2015 20:44:46 +0000 Subject: [PATCH v3 4/6] dma: rcar-dma: use result of updated get_residue in tx_status Message-Id: <1443559488-2416-5-git-send-email-hamzahfrq.sub@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org From: Muhammad Hamza Farooq Signed-off-by: Muhammad Hamza Farooq --- drivers/dma/sh/rcar-dmac.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 6c806d0..0b5a367 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1258,6 +1258,10 @@ 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; -- 1.9.1