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Groups > linux.kernel > #1331772 > unrolled thread

[PATCH v2] dmaengine: omap-dma: Implement device_synchronize callback

Started byPeter Ujfalusi <peter.ujfalusi@ti.com>
First post2016-02-11 10:20 +0100
Last post2016-02-22 03:50 +0100
Articles 2 — 2 participants

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  [PATCH v2] dmaengine: omap-dma: Implement device_synchronize callback Peter Ujfalusi <peter.ujfalusi@ti.com> - 2016-02-11 10:20 +0100
    Re: [PATCH v2] dmaengine: omap-dma: Implement device_synchronize  callback Vinod Koul <vinod.koul@intel.com> - 2016-02-22 03:50 +0100

#1331772 — [PATCH v2] dmaengine: omap-dma: Implement device_synchronize callback

FromPeter Ujfalusi <peter.ujfalusi@ti.com>
Date2016-02-11 10:20 +0100
Subject[PATCH v2] dmaengine: omap-dma: Implement device_synchronize callback
Message-ID<r0VzR-6IR-37@gated-at.bofh.it>
We need the callback to support the dmaengine_terminate_sync().

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 drivers/dma/omap-dma.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index e691f48f9d73..bfdf29aa3428 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -1007,6 +1007,13 @@ static int omap_dma_terminate_all(struct dma_chan *chan)
 	return 0;
 }
 
+static void omap_dma_synchronize(struct dma_chan *chan)
+{
+	struct omap_chan *c = to_omap_dma_chan(chan);
+
+	vchan_synchronize(&c->vc);
+}
+
 static int omap_dma_pause(struct dma_chan *chan)
 {
 	struct omap_chan *c = to_omap_dma_chan(chan);
@@ -1110,6 +1117,7 @@ static int omap_dma_probe(struct platform_device *pdev)
 	od->ddev.device_pause = omap_dma_pause;
 	od->ddev.device_resume = omap_dma_resume;
 	od->ddev.device_terminate_all = omap_dma_terminate_all;
+	od->ddev.device_synchronize = omap_dma_synchronize;
 	od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS;
 	od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
 	od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-- 
2.7.1

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#1339080 — Re: [PATCH v2] dmaengine: omap-dma: Implement device_synchronize callback

FromVinod Koul <vinod.koul@intel.com>
Date2016-02-22 03:50 +0100
SubjectRe: [PATCH v2] dmaengine: omap-dma: Implement device_synchronize callback
Message-ID<r4OJs-7dG-5@gated-at.bofh.it>
In reply to#1331772
On Thu, Feb 11, 2016 at 11:08:34AM +0200, Peter Ujfalusi wrote:
> We need the callback to support the dmaengine_terminate_sync().

Applied, thanks

-- 
~Vinod

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