On Wed, Apr 29, 2020 at 02:44:05PM +0000, Daire.McNamara@xxxxxxxxxxxxx wrote: > > why? > The PCIe hardware is only available on 64-bit RISCV based platforms at the moment. Our intention is to extend the driver, at a later date, as and when the hardware becomes available. > I'll let the actual PCIe maintainer speak, but normally we try to allow drivers to build on all platforms unless they have an actual code platform depency. And as far as I can tell this driver doesn't actually depend on RISC-V specific code.