[PATCH 6/8 resend] dw_dmac: Mark all tx_descriptors with DMA_CRTL_ACK after xfer finish

Koul, Vinod vinod.koul at intel.com
Wed Mar 2 13:34:15 EST 2011


On Mon, 2011-02-28 at 16:11 +0530, Viresh Kumar wrote:
> dwc_desc_get checks all descriptors for DMA_CTRL_ACK before allocating them for
> transfers. And descriptors are not marked with DMA_CRTL_ACK after transfer
> finishes. Thus descriptor once used is not usable again. This patch marks
> descriptors with DMA_CRTL_ACK after dma xfer finishes
> 
> Signed-off-by: Viresh Kumar <viresh.kumar at st.com>
> ---
>  drivers/dma/dw_dmac.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> index c40b89f..01f783d 100644
> --- a/drivers/dma/dw_dmac.c
> +++ b/drivers/dma/dw_dmac.c
> @@ -196,6 +196,7 @@ dwc_descriptor_complete(struct dw_dma_chan *dwc, struct dw_desc *desc)
>  	dma_async_tx_callback		callback;
>  	void				*param;
>  	struct dma_async_tx_descriptor	*txd = &desc->txd;
> +	struct dw_desc	*child;
Please align this with previous ones....

-- 
~Vinod




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