From ba1cab79cfc629f7238a26e040545ca394cd695f Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Wed, 31 Jul 2019 10:36:59 -0700 Subject: [PATCH] dmaengine: fsl-edma: implement .device_synchronize callback Implement .device_synchronize callback in order to be able to use dmaengine_terminate_sync() and other primitives relying on said callback. Signed-off-by: Andrey Smirnov Cc: Stefan Agner Cc: Chris Healy Cc: Vinod Koul Cc: linux-imx@nxp.com Cc: dmaengine@vger.kernel.org Cc: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/20190731173659.14778-1-andrew.smirnov@gmail.com Signed-off-by: Vinod Koul --- drivers/dma/fsl-edma.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index dfce75c2991b..b626c06ac2e0 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -20,6 +20,13 @@ #include "fsl-edma-common.h" +static void fsl_edma_synchronize(struct dma_chan *chan) +{ + struct fsl_edma_chan *fsl_chan = to_fsl_edma_chan(chan); + + vchan_synchronize(&fsl_chan->vchan); +} + static irqreturn_t fsl_edma_tx_handler(int irq, void *dev_id) { struct fsl_edma_engine *fsl_edma = dev_id; @@ -363,6 +370,7 @@ static int fsl_edma_probe(struct platform_device *pdev) fsl_edma->dma_dev.device_pause = fsl_edma_pause; fsl_edma->dma_dev.device_resume = fsl_edma_resume; fsl_edma->dma_dev.device_terminate_all = fsl_edma_terminate_all; + fsl_edma->dma_dev.device_synchronize = fsl_edma_synchronize; fsl_edma->dma_dev.device_issue_pending = fsl_edma_issue_pending; fsl_edma->dma_dev.src_addr_widths = FSL_EDMA_BUSWIDTHS;