Hi Alexander, I have tested this series on rk3399 evb board and works well. Tested-by: Sugar Zhang <sugar.zhang at rock-chips.com> ? 4/14/2017 22:35, Alexander Kochetkov ??: > Hello! > > This series contain free running cyclic transfer implementation for pl330. > It affect ALL chips using pl330 (not only rockchip) and > allow to run cyclic transfers without CPU intervention. As a result > it fix sound clicks (observed and not yet observed) because > sound clicks must be heard under heavy system load due to the way > how cyclic transfers implemented now for pl330. > > My previous series[1] doesn't get enough attention (no one except me > tested it). And it don't get upstream: > >> 8-03-2016, 6:03, Vinod Koul <vinod.koul at intel.com> *: >> Overall this series looks okay, but can someone test this. I would not like > pl330 to be broken again > > Now I was asked about the series[1] again by guys from Rockchip, > so I send rebased against 4.10.10 version. Hope, someone might test it > and confirm that patches work fine. > > Regards, > Alexander. > > Alexander Kochetkov (2): > dmaengine: pl330: make cyclic transfer free runnable > dmaengine: pl330: don't emit code for one iteration loop > > drivers/dma/pl330.c | 200 +++++++++++++++++++++++++-------------------------- > 1 file changed, 98 insertions(+), 102 deletions(-) >
