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dmaengine: edma: 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 11:08:42 +02:00 committed by Vinod Koul
parent 92e963f50f
commit b84730ffcf
1 changed files with 9 additions and 0 deletions
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9
drivers/dma/edma.c
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@ -866,6 +866,13 @@ static int edma_terminate_all(struct dma_chan *chan)
return 0;
}
static void edma_synchronize(struct dma_chan *chan)
{
struct edma_chan *echan = to_edma_chan(chan);
vchan_synchronize(&echan->vchan);
}
static int edma_slave_config(struct dma_chan *chan,
struct dma_slave_config *cfg)
{
@ -1798,6 +1805,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
s_ddev->device_pause = edma_dma_pause;
s_ddev->device_resume = edma_dma_resume;
s_ddev->device_terminate_all = edma_terminate_all;
s_ddev->device_synchronize = edma_synchronize;
s_ddev->src_addr_widths = EDMA_DMA_BUSWIDTHS;
s_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS;
@ -1823,6 +1831,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
m_ddev->device_pause = edma_dma_pause;
m_ddev->device_resume = edma_dma_resume;
m_ddev->device_terminate_all = edma_terminate_all;
m_ddev->device_synchronize = edma_synchronize;
m_ddev->src_addr_widths = EDMA_DMA_BUSWIDTHS;
m_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS;