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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>
This commit is contained in:
Peter Ujfalusi 2016-02-11 11:08:34 +02:00 committed by Vinod Koul
parent 92e963f50f
commit 9bef6d8288
1 changed files with 8 additions and 0 deletions
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8
drivers/dma/omap-dma.c
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@ -1009,6 +1009,13 @@ static int omap_dma_terminate_all(struct dma_chan *chan)
return 0; 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) static int omap_dma_pause(struct dma_chan *chan)
{ {
struct omap_chan *c = to_omap_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_pause = omap_dma_pause;
od->ddev.device_resume = omap_dma_resume; od->ddev.device_resume = omap_dma_resume;
od->ddev.device_terminate_all = omap_dma_terminate_all; 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.src_addr_widths = OMAP_DMA_BUSWIDTHS;
od->ddev.dst_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); od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);