On Wed, May 10, 2023 at 11:04 AM Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: > Add iommu-map and iommu-map-mask properties into PCIe host nodes. > Note that iommu-map-mask should be zero because the IPMMU assigns > one micro TLB ID only, to the PCIe host. > > Also change dma-ranges arguments for IOMMU. Notes that the dma-ranges > can be used if IOMMU is disabled. > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > --- > Changes from v2: > https://lore.kernel.org/all/20230426082812.3621678-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/ > - Revise the commit description. > - Change the fourth argument of iommu-map. > - Add IOMMU related propreties into r8a77980 and r8a774{a1,b1,c0,e1}.dtsi. Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> i.e. will queue in renesas-devel for v6.5. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
