[PATCH 4/6] dma: rcar-dma: use result of updated get_residue in tx_status

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Muhammad Hamza Farooq <mfarooq@xxxxxxxxxxx>

Signed-off-by: Muhammad Hamza Farooq <mfarooq@xxxxxxxxxxx>
---
 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 653563d..3af1846 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1257,6 +1257,10 @@ 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

--
To unsubscribe from this list: send the line "unsubscribe dmaengine" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux PCI]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux