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>

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index d92d655494068992f5a689ff83604158115bee4d..81bbfdc205919d8605d0de142a2e4e4549ee3d8d 100644 (file)
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -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;