On Mon, Dec 06, 2021 at 10:45:35AM -0400, Jason Gunthorpe via iommu wrote: > IIRC the only thing this function does is touch ACPI and OF stuff? > Isn't that firmware? > > AFAICT amba uses this because AMBA devices might be linked to DT > descriptions? But DT descriptions aren't firmware. They are usually either passed onb the bootloader or in some deeply embedded setups embedded into the kernel image.
