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SubjectRe: [PATCH 6/8 resend] dw_dmac: Mark all tx_descriptors with DMA_CRTL_ACK after xfer finish
On 03/03/2011 12:04 AM, Koul, Vinod wrote:
> 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@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....
>

Will be done

--
viresh


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