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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2016-02-11 12:08:34 +0300
committerVinod Koul <vinod.koul@intel.com>2016-02-22 05:49:02 +0300
commit9bef6d8288eb568121d3a9ef8ada80960ad9bdec (patch)
treeef5ed8575ef30714f32ebd3b5a8583ded853b4f5 /drivers/dma
parent92e963f50fc74041b5e9e744c330dca48e04f08d (diff)
downloadlinux-9bef6d8288eb568121d3a9ef8ada80960ad9bdec.tar.xz
dmaengine: omap-dma: Implement device_synchronize callback
We need the callback to support the dmaengine_terminate_sync(). Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/omap-dma.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index 9794b073d7d7..43bd5aee7ffe 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -1009,6 +1009,13 @@ 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);
@@ -1112,6 +1119,7 @@ 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);