Hi Kishon, I applied this v2 patch series to kernel.org linux 5.6-rc3 and built for x86_64 Debian and riscv. I verified that when I execute the pcitest command on the x86_64 host with -d flag, the riscv endpoint performs the transfer by using an available dma channel. Regards, Alan Tested-by: Alan Mikhak <alan.mikhak@xxxxxxxxxx>