On 12/02/2016 05:28 PM, Ivan Khoronzhuk wrote:
> On Fri, Dec 02, 2016 at 10:45:07AM -0600, Grygorii Strashko wrote:
>>
>>
>> On 12/02/2016 05:03 AM, Ivan Khoronzhuk wrote:
>>> On Thu, Dec 01, 2016 at 05:34:27PM -0600, Grygorii Strashko wrote:
The currently processing cpdma descriptor with EO
On Fri, Dec 02, 2016 at 10:45:07AM -0600, Grygorii Strashko wrote:
>
>
> On 12/02/2016 05:03 AM, Ivan Khoronzhuk wrote:
> > On Thu, Dec 01, 2016 at 05:34:27PM -0600, Grygorii Strashko wrote:
> >> The currently processing cpdma descriptor with EOQ flag set may
> >> contain two values in Next Descr
On 12/02/2016 05:03 AM, Ivan Khoronzhuk wrote:
> On Thu, Dec 01, 2016 at 05:34:27PM -0600, Grygorii Strashko wrote:
>> The currently processing cpdma descriptor with EOQ flag set may
>> contain two values in Next Descriptor Pointer field:
>> - valid pointer: means CPDMA missed addition of new des
On Thu, Dec 01, 2016 at 05:34:27PM -0600, Grygorii Strashko wrote:
> The currently processing cpdma descriptor with EOQ flag set may
> contain two values in Next Descriptor Pointer field:
> - valid pointer: means CPDMA missed addition of new desc in queue;
It shouldn't happen in normal circumstance
The currently processing cpdma descriptor with EOQ flag set may
contain two values in Next Descriptor Pointer field:
- valid pointer: means CPDMA missed addition of new desc in queue;
- null: no more descriptors in queue.
In the later case, it's not required to write to HDP register, but now
CPDMA
