On Tue, Dec 02, 2014 at 06:25:49PM +0100, Lars-Peter Clausen wrote: > On 12/02/2014 06:38 AM, Padma Venkat wrote: > > Well it doesn't break audio, but I don't think it has the correct > haviour for all cases yet. > > Again, the semantics are that it should return the progress of the > transfer for which the allocation function returned the cookie that > is passe to this function. You have to consider that there might be > multiple different descriptors submitted and in the work list, not > just the one we want to know the status of. The big problem with the > pl330 driver is that the current structure of the driver makes it > not so easy to implement the residue reporting correctly. well you can use the completed_cookie as hint. This was last trasaction which was issues, so calculate remianing bytes for this and subsequent ones resiude would only be size of transaction -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
