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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2016-02-11 12:08:42 +0300
committerVinod Koul <vinod.koul@intel.com>2016-02-22 05:49:23 +0300
commitb84730ffcfccbed76e7f623b336e9bba8d78d93e (patch)
treebc6fb4c9b9b221ba56490907edab1001cc8ab225 /drivers/dma
parent92e963f50fc74041b5e9e744c330dca48e04f08d (diff)
downloadlinux-b84730ffcfccbed76e7f623b336e9bba8d78d93e.tar.xz
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>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/edma.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index d92d65549406..81bbfdc20591 100644
--- 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;