* domain. Do not use in new drivers.
*/
if (ops->default_domain) {
- if (req_type)
+ if (req_type != ops->default_domain->type)
return ERR_PTR(-EINVAL);
return ops->default_domain;
}
const struct iommu_ops *ops = dev_iommu_ops(dev);
int type;
- if (!ops->def_domain_type)
- return cur_type;
-
- type = ops->def_domain_type(dev);
+ if (ops->default_domain) {
+ /*
+ * Drivers that declare a global static default_domain will
+ * always choose that.
+ */
+ type = ops->default_domain->type;
+ } else {
+ if (ops->def_domain_type)
+ type = ops->def_domain_type(dev);
+ else
+ return cur_type;
+ }
if (!type || cur_type == type)
return cur_type;
if (!cur_type)