On Wed, Jul 30, 2014 at 06:03:13PM +0200, Maxime Ripard wrote: > The dmaengine is neither trivial nor properly documented at the moment, which > means a lot of trial and error development, which is not that good for such a > central piece of the system. > > Attempt at making such a documentation. Did you miss Documentation/dmaengine.txt, lots of this is already covered there. But yes i would be really glad to know what isnt, so that we can fix that. > + * device_slave_caps > + - Isn't that redundant with the cap_mask already? > + - Only a few drivers seem to implement it For audio to know what your channel can do rather than hardcoding it > + > + * dma cookies? cookie is dma transaction representation which is monotonically incrementing number. -- ~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