On 09-01-20, 21:12, Kunihiko Hayashi wrote: > Hi Vinod, > > Thank you for your comment. > > On Fri, 27 Dec 2019 12:04:11 +0530 <vkoul@xxxxxxxxxx> wrote: > > > On 18-12-19, 09:57, Kunihiko Hayashi wrote: > > > This adds external DMA controller driver implemented in Socionext > > > UniPhier SoCs. This driver supports DMA_MEMCPY and DMA_SLAVE modes. > > > > > > Since this driver does not support the the way to transfer size > > > unaligned to burst width, 'src_maxburst' or 'dst_maxburst' of > > > > You mean driver does not support any unaligned bursts? > > Yes. If transfer size is unaligned to burst size, the final transfer > will be overrun. That is fine, you shoudl return error for bursts which are not aligned when preparing the descriptors -- ~Vinod