On 24 January 2013 13:31, Andy Shevchenko
wrote:
> On Thu, 2013-01-24 at 10:37 +0530, Viresh Kumar wrote:
>> Is there a point updating residue here? I don't have a very good knowledge of
>> nollp transfers but this is what i know...
>>
>> The above "if" will pass if we are still doing transfers a
On Thu, 2013-01-24 at 10:37 +0530, Viresh Kumar wrote:
> On Wed, Jan 23, 2013 at 9:07 PM, Andy Shevchenko
> wrote:
> > diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
>
> > static void dwc_scan_descriptors(struct dw_dma *dw, struct dw_dma_chan
> > *dwc)
> > {
> > dma_addr_t
On Wed, Jan 23, 2013 at 9:07 PM, Andy Shevchenko
wrote:
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> static void dwc_scan_descriptors(struct dw_dma *dw, struct dw_dma_chan *dwc)
> {
> dma_addr_t llp;
> @@ -410,6 +441,8 @@ static void dwc_scan_descriptors(struct dw_dma
Currently the driver returns full length of the active descriptor which is
wrong. We have to go throught the active descriptor and substract the length of
each sent children in the chain from the total length along with the actual
data in the DMA channel registers.
The cyclic case is not handled b
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