On Wed, Oct 14, 2015 at 04:12:13PM +0300, Peter Ujfalusi wrote:
> @@ -1320,41 +1317,92 @@ static struct dma_async_tx_descriptor
> *edma_prep_dma_memcpy(
> struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
> size_t len, unsigned long tx_flags)
> {
> - int ret;
> + int
On 10/14/2015 05:41 PM, Vinod Koul wrote:
> On Wed, Oct 14, 2015 at 04:12:13PM +0300, Peter Ujfalusi wrote:
>> @@ -1320,41 +1317,92 @@ static struct dma_async_tx_descriptor
>> *edma_prep_dma_memcpy(
>> struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
>> size_t len, unsigned long
On Wed, Oct 14, 2015 at 06:02:18PM +0300, Peter Ujfalusi wrote:
> On 10/14/2015 05:41 PM, Vinod Koul wrote:
> > On Wed, Oct 14, 2015 at 04:12:13PM +0300, Peter Ujfalusi wrote:
> >> @@ -1320,41 +1317,92 @@ static struct dma_async_tx_descriptor
> >> *edma_prep_dma_memcpy(
> >>struct dma_chan
If the transfer is shorted then 64K we can complete it with one ACNT burst
by configuring ACNT to the length of the copy, this require one paRAM slot.
Otherwise we use two paRAM slots for the copy:
slot1: will copy (length / 32767) number of 32767 byte long blocks
slot2: will be configured to copy
