On Wed, Jan 03, 2018 at 12:12:09PM +0530, Kedareswara rao Appana wrote:

If the hardware is configured for Scatter Gather(SG) mode,
and hardware is idle, in the control register SG mode bit
must be set to a 0 then back to 1 by the software, to force
the CDMA SG engine to use a new value written to the CURDESC_PNTR
register, failure to do so could result errors from the dmaengine.

Applied 2-4, thanks

-- 
~Vinod