iommu_detach_group
iommu_detach_group(NULL, iommu_group_get(core->dev));
iommu_detach_group(NULL, core->iommu_group);
iommu_detach_group(tegra->domain, client->group);
iommu_detach_group(host->domain, host->group);
EXPORT_SYMBOL_GPL(iommu_detach_group);
iommu_detach_group(vde->domain, vde->group);
iommu_detach_group(vde->domain, vde->group);
iommu_detach_group(domain->domain, group->iommu_group);
iommu_detach_group(domain->domain, group->iommu_group);
iommu_detach_group(domain->domain, group->iommu_group);
iommu_detach_group(domain->domain, group->iommu_group);
extern void iommu_detach_group(struct iommu_domain *domain,