From 67b2e39f4acb764cbc0ab9b2af07b18aec7b2cce Mon Sep 17 00:00:00 2001 From: Sia Jee Heng Date: Mon, 25 Jan 2021 09:32:42 +0800 Subject: [PATCH] dmaengine: dw-axi-dmac: Add device_synchronize() callback Add support for device_synchronize() callback function to sync with dmaengine_terminate_sync(). Signed-off-by: Sia Jee Heng Tested-by: Eugeniy Paltsev Reviewed-by: Andy Shevchenko Reviewed-by: Eugeniy Paltsev Link: https://lore.kernel.org/r/20210125013255.25799-5-jee.heng.sia@intel.com Signed-off-by: Vinod Koul --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 3737e1c3c793..241ab7a24e2a 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -347,6 +347,13 @@ static void dma_chan_issue_pending(struct dma_chan *dchan) spin_unlock_irqrestore(&chan->vc.lock, flags); } +static void dw_axi_dma_synchronize(struct dma_chan *dchan) +{ + struct axi_dma_chan *chan = dchan_to_axi_dma_chan(dchan); + + vchan_synchronize(&chan->vc); +} + static int dma_chan_alloc_chan_resources(struct dma_chan *dchan) { struct axi_dma_chan *chan = dchan_to_axi_dma_chan(dchan); @@ -940,6 +947,7 @@ static int dw_probe(struct platform_device *pdev) dw->dma.device_free_chan_resources = dma_chan_free_chan_resources; dw->dma.device_prep_dma_memcpy = dma_chan_prep_dma_memcpy; + dw->dma.device_synchronize = dw_axi_dma_synchronize; platform_set_drvdata(pdev, chip);