On Fri, May 08, 2020 at 04:29:25PM +0300, Serge Semin wrote:
> Baikal-T1 SoC provides DW DMA controller to perform low-speed peripherals
> Mem-to-Dev and Dev-to-Mem transaction. This is also applicable to the DW
> APB SSI devices embedded into the SoC. Currently this type DMA device is

This basically all looks good to me (without any hardware specific
knowledge), I had a few comments but they were mostly procedural ones -
mainly getting these bug fixes you've done merged as such.  Nice work.