On Fri, Aug 27, 2021 at 1:11 PM Andrew Lunn <andrew@xxxxxxx> wrote: > > > > I've not yet looked at plain Ethernet drivers. This pattern could also > > > exist there. And i wonder about other complex structures, i2c bus > > > multiplexors, you can have interrupt controllers as i2c devices, > > > etc. So the general case could exist in other places. > > > > I haven't seen any generic issues like this reported so far. It's only > > after adding phy-handle that we are hitting these issues with DSA > > switches. > > Can you run your parser over the 2250 DTB blobs and see how many > children have dependencies on a parent? That could give us an idea how > many moles need whacking. And maybe, where in the tree they are > hiding? You are only responding to part of my email. As I said in my previous email: "There are plenty of cases where it's better to delay the child device's probe until the parent finishes. You even gave an example[7] where it would help avoid unnecessary deferred probes." Can you please give your thoughts on the rest of the points I made too? -Saravana
