[PATCH 2/6] dmaengine/dw_dmac: Enable resubmission from callback routine.

[viresh kumar]

On 04/19/2011 11:42 AM, Koul, Vinod wrote:
> On 04/18/2011 04:20 PM, viresh kumar wrote:
>>
>> Resubmission of new transfer must be allowed from callbacks. For this release
>> lock before calling callback routine and enable them again.
> Why would you like to do that?
> 
> IMO it's not a good thing as you are essentially doing it in your tasklet...
> Make sure the submit() is done by client before this and you use it to start
> next transaction in you tasklet and let client know in callback txn is
> finished.
> 

Vinod,

I initiated this discussion few days back on a separate thread:

http://www.spinics.net/lists/arm-kernel/msg121139.html

And so implemented this.

-- 
viresh