[PATCH v2] dmaengine: edma: Implement device_synchronize callback
From: Peter Ujfalusi <hidden>
Date: 2016-02-11 09:12:44
Also in:
linux-omap, lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
We need the callback to support the dmaengine_terminate_sync(). Signed-off-by: Peter Ujfalusi <redacted> --- drivers/dma/edma.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 2dac314a2d7a..290e1a721c5b 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c@@ -869,6 +869,13 @@ 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) {
@@ -1808,6 +1815,7 @@ 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;
@@ -1833,6 +1841,7 @@ 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;
--
2.7.1