On Wed, Dec 05, 2018 at 06:54:18AM -0800, Christoph Hellwig wrote: > > +void iommu_release_device(struct device *dev) > > Nitpick: there seems to be a double space here. > > > +int iommu_probe_device(struct device *dev); > > +void iommu_release_device(struct device *dev); > > .. and here. Right, thanks. I fixed it in my development branch.