On 07/12/18 18:23, Mark Rutland wrote:
+ cb@1 { + compatible = "qcom,fastrpc-compute-cb"; + reg = <1>; + iommus = <&lpass_q6_smmu 1>;These iommus should be associated with the device (i.e. the DSP itself).
Are you referring to implement this using "iommu-map" and "iommu-map-mask" bindings on remoteproc/rpmsg bus?
--srini