On 30/03/2023 15:17, Jagan Teki wrote: > Rockchip iommu is trying to enable the associated device at runtime > resume however some devices might enable the iommu during their pm > runtime resume operation which indeed leads iommu to use the wrong > domain and this leads to device iommu page fault. That's not a DT property. You now described system behavior and want to encode policy in DT. Best regards, Krzysztof