Hi Sunil, On Wed, 16 Jul 2025 16:10:57 +0530, Sunil V L wrote: > + parent = ACPI_ADD_PTR(struct acpi_rimt_node, rimt_table, map->dest_offset); > + > + if (node->type == ACPI_RIMT_NODE_TYPE_PLAT_DEVICE || > + node->type == ACPI_RIMT_NODE_TYPE_PCIE_ROOT_COMPLEX) { > + *id_out = map->dest_offset; > + return parent; > + } Why do we assign dest_offset to id_out? The dest_offset is the iommu offset, not a valid deviceid required for platform device in rimt_plat_iommu_map? Regards, Xianliang