On Mon, Mar 26, 2012 at 04:18:26PM +0530, Vinod Koul wrote:

But we don't want the clients to use this additional parameter or be
exposed to it if not required. Every client is expected to use the
dmaengine wrappers for prepare and not invoke .device_ callbacks.

Are those wrappers present in what's gone to Linus' tree, and can
someone please send a patch to convert to using them?