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/edma.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
> index 2dac314a2d7a..ea0d919a3318 100644
> --- a/drivers/dma/edma.c
> +++ b/drivers/dma/edma.c
> @@ -869,6 +869,13 @@ static int edma_terminate_all(struct dma_chan *chan)
> return 0;
> }
>
> +static void edma_synchronize(struct dma_chan *c)
> +{
> + struct edma_chan *echan = to_edma_chan(chan);
> +
> + vchan_synchronize(&echan->vchan);
> +}
> +
> static int edma_slave_config(struct dma_chan *chan,
> struct dma_slave_config *cfg)
> {
> @@ -1808,6 +1815,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
> s_ddev->device_pause = edma_dma_pause;
> s_ddev->device_resume = edma_dma_resume;
> s_ddev->device_terminate_all = edma_terminate_all;
> + s_ddev->device_synchronize = edma_synchronize;
>
> s_ddev->src_addr_widths = EDMA_DMA_BUSWIDTHS;
> s_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS;
> @@ -1833,6 +1841,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
> m_ddev->device_pause = edma_dma_pause;
> m_ddev->device_resume = edma_dma_resume;
> m_ddev->device_terminate_all = edma_terminate_all;
> + m_ddev->device_synchronize = edma_synchronize;
>
> m_ddev->src_addr_widths = EDMA_DMA_BUSWIDTHS;
> m_ddev->dst_addr_widths = EDMA_DMA_BUSWIDTHS;
>
--
Péter
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