Messages in this thread Patch in this message | | | From | Andrey Smirnov <> | Subject | [PATCH] dmaengine: fsl-edma: implement .device_synchronize callback | Date | Wed, 31 Jul 2019 10:36:59 -0700 |
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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 <andrew.smirnov@gmail.com> Cc: Stefan Agner <stefan@agner.ch> Cc: Chris Healy <cphealy@gmail.com> Cc: Vinod Koul <vkoul@kernel.org> Cc: linux-imx@nxp.com Cc: dmaengine@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- 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 fcbad6ae954a..191fa71f67a3 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; @@ -302,6 +309,7 @@ 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; -- 2.21.0
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