On Thu, 29 Aug 2019 13:14:06 +0200, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > This is an implementation that IOMMU drivers can use to obtain reserved > memory regions from a device tree node. It uses the reserved-memory DT > bindings to find the regions associated with a given device. These > regions will be used to create 1:1 mappings in the IOMMU domain that > the devices will be attached to. > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Frank Rowand <frowand.list@xxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> > --- > drivers/iommu/of_iommu.c | 39 +++++++++++++++++++++++++++++++++++++++ > include/linux/of_iommu.h | 8 ++++++++ > 2 files changed, 47 insertions(+) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>