On 02/11/2016 10:54 AM, Peter Ujfalusi wrote:
> We need the callback to support the dmaengine_terminate_sync().
I have made some typos and I only compiled the kernel after sending the patch..
Resending.
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> ---
> drivers/dma/omap-dma.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
> index e691f48f9d73..7c6a300b6b57 100644
> --- a/drivers/dma/omap-dma.c
> +++ b/drivers/dma/omap-dma.c
> @@ -1007,6 +1007,13 @@ static int omap_dma_terminate_all(struct dma_chan *chan)
> return 0;
> }
>
> +static void omap_dma_synchronize(struct dma_chan *c)
> +{
> + struct omap_chan *c = to_omap_dma_chan(chan);
> +
> + vchan_synchronize(&c->vc);
> +}
> +
> static int omap_dma_pause(struct dma_chan *chan)
> {
> struct omap_chan *c = to_omap_dma_chan(chan);
> @@ -1110,6 +1117,7 @@ static int omap_dma_probe(struct platform_device *pdev)
> od->ddev.device_pause = omap_dma_pause;
> od->ddev.device_resume = omap_dma_resume;
> od->ddev.device_terminate_all = omap_dma_terminate_all;
> + od-ddev.device_synchronize = omap_dma_synchronize;
> od->ddev.src_addr_widths = OMAP_DMA_BUSWIDTHS;
> od->ddev.dst_addr_widths = OMAP_DMA_BUSWIDTHS;
> od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
>
--
Péter
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