On Fri, May 20, 2022 at 09:52:41AM +0200, Clément Léger wrote: > > Also, as a request to unbind this driver would be disasterous to users, > > I think you should set ".suppress_bind_attrs = true" to prevent the > > sysfs bind/unbind facility being available. This doesn't completely > > solve the problem. > > Acked. What should I do to make it more robust ? Should I use a > refcount per pdev and check that in the remove() callback to avoid > removing the pdev if used ? I wonder, if you call device_link_add(ds->dev, miic->dev, DL_FLAG_AUTOREMOVE_CONSUMER), wouldn't that be enough to auto-unbind the DSA driver when the MII converter driver unbinds?