Hi Rob, > On Feb 22, 2016, at 04:55 , Rob Herring <r...@kernel.org> wrote: > > On Wed, Feb 17, 2016 at 11:41:25AM -0600, Alan Tull wrote: >> Add overlay callback functionality. >> >> When DT overlays are being added, some drivers/subsystems >> will want to know about the changes before they go into the >> live tree. Similarly there is a need for post-remove >> callbacks. >> >> Each handler is registered with a of_device_id. When >> an overlay target matches a handler's id, the handler >> gets called. >> >> The following 4 cases are handled: pre-apply, post-apply, >> pre-remove, and post-remove. > > So I know I suggested maybe not using notifiers, but this ends up just > looking like notifiers, so we might as well use them unless we somehow > change the flow. You would just need to add pre-apply and pre-remove > in of_attach_node and of_detach_node, right? >
I agree those look just like notifiers. We could just update the notifier logic to handle this case. Am I missing something else? > Rob Regards — Pantelis
