On Wed, Jul 10, 2019 at 11:28:30AM -0700, Rob Clark wrote: > --- a/include/linux/device.h > +++ b/include/linux/device.h > @@ -282,7 +282,8 @@ struct device_driver { > struct module *owner; > const char *mod_name; /* used for built-in modules */ > > - bool suppress_bind_attrs; /* disables bind/unbind via sysfs */ > + bool suppress_bind_attrs:1; /* disables bind/unbind via sysfs */ > + bool driver_manages_iommu:1; /* driver manages IOMMU explicitly */ Who will set this bit? Regards, Joerg