From: hamzahfrq.sub@gmail.com
To: linux-sh@vger.kernel.org
Subject: [PATCH v3 4/6] dma: rcar-dma: use result of updated get_residue in tx_status
Date: Tue, 29 Sep 2015 20:44:46 +0000 [thread overview]
Message-ID: <1443559488-2416-5-git-send-email-hamzahfrq.sub@gmail.com> (raw)
From: Muhammad Hamza Farooq <mfarooq@visteon.com>
Signed-off-by: Muhammad Hamza Farooq <mfarooq@visteon.com>
---
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
next reply other threads:[~2015-09-29 20:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 20:44 hamzahfrq.sub [this message]
2015-10-12 15:24 ` [PATCH v3 4/6] dma: rcar-dma: use result of updated get_residue in tx_status Vinod Koul
2015-10-15 16:49 ` Laurent Pinchart
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