On Thu, 15 Nov 2018 16:52:30 +0000, Jean-Philippe Brucker wrote: > In PCI root complex nodes, the iommu-map property describes the IOMMU that > translates each endpoint. On some platforms, the IOMMU itself is presented > as a PCI endpoint (e.g. AMD IOMMU and virtio-iommu). This isn't supported > by the current OF driver, which expects all endpoints to have an IOMMU. > Allow the iommu-map property to have gaps. > > Relaxing of_map_rid() also allows the msi-map property to have gaps, which > is invalid since MSIs always reach an MSI controller. In that case > pci_msi_setup_msi_irqs() will return an error when attempting to find the > device's MSI domain. > > Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx> > --- > drivers/of/base.c | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
