On Tue, Mar 21, 2017 at 05:21:37PM +0000, Will Deacon wrote: > On Tue, Mar 21, 2017 at 04:45:27PM +0100, Joerg Roedel wrote: > > On Fri, Mar 10, 2017 at 08:49:36PM +0000, Will Deacon wrote: > > > @@ -1014,8 +1027,8 @@ struct iommu_group *iommu_group_get_for_dev(struct > > > device *dev) > > > * IOMMU driver. > > > */ > > > if (!group->default_domain) { > > > - group->default_domain = __iommu_domain_alloc(dev->bus, > > > - IOMMU_DOMAIN_DMA); > > > + group->default_domain = > > > + __iommu_domain_alloc(dev->bus, iommu_def_domain_type); > > > > It would be good to have a fall-back here if we are talking to an IOMMU > > driver that uses default domains, but does not support identity-mapped > > domains (yet). Exynos and Rockchip IOMMU drivers seem to fall into this > > category. A dev_warn() also makes sense in case allocating a identity > > domain fails. > > Sure, something like the diff below?
Yes, this looks good. Thanks, Joerg _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu