Dear Catalin Marinas, On Mon, 19 May 2014 10:59:49 +0100, Catalin Marinas wrote: > The patch is fine but for this to work in the UP case we need to fix > MT_UNCACHED definition for sections. It seems to create SO memory but > not necessarily writable (unless I miss something). Anyway, untested, > something like this: I justed tested in !CONFIG_SMP on Armada 38x, and writing to a PCI I/O mapping works in both the MT_UNCACHED and MT_DEVICE cases. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html