Commit 67b2e39f authored by Sia Jee Heng's avatar Sia Jee Heng Committed by Vinod Koul
Browse files

dmaengine: dw-axi-dmac: Add device_synchronize() callback 



Add support for device_synchronize() callback function to sync with
dmaengine_terminate_sync().

Signed-off-by: default avatarSia Jee Heng <jee.heng.sia@intel.com>
Tested-by: default avatarEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Link: https://lore.kernel.org/r/20210125013255.25799-5-jee.heng.sia@intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 0b9d2fb3

drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c

+8 −0
Original line number Diff line number Diff line
@@ -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);