On 30-04-19, 16:58, Arnaud Pouliquen wrote: > >> Hope that will help to clarify. > > > > Yes that helps, maybe we should add these bits in code and changelog.. > > :)I will update the comments and commit message in a V2 in this way > > > > And how does this impact non cyclic case where N descriptors maybe > > issued. The driver seems to support non cyclic too... > > Correct it supports SG as well, but double buffer mode is not used in > such case. Hw is programmed under IT for every descriptors : no > automatic register reloaded as in cyclic mode. We won't end up in the > situation depicted below. Okay sounds good then. Can you add a bit more of this in the code (this was very helpful) not as a fix but documentation so that people (or you down the line) will remember why this was done like this Thanks -- ~Vinod
