On Fri, Sep 13, 2019 at 10:14 AM Rob Herring <robh@xxxxxxxxxx> wrote: > > On Sat, Sep 7, 2019 at 5:16 PM <marek.vasut@xxxxxxxxx> wrote: > > > > From: Marek Vasut <marek.vasut+renesas@xxxxxxxxx> > > > > Add dma-ranges property into /soc node to describe the DMA capabilities > > of the bus. This is currently needed to translate PCI DMA ranges, which > > are limited to 32bit addresses. > > FYI, I've started working on this problem and issues around > dma-ranges/dma_mask. Hopefully I'll get some patches out next week. I've pushed out a branch here: git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git dma-masks Can you test it on Renesas. I don't have a real platform having the issue. Rob
