On Tue Jul 15, 2025 at 2:33 PM CEST, Alice Ryhl wrote: > On Mon, Jul 14, 2025 at 5:13 PM Daniel Almeida > <daniel.almeida@xxxxxxxxxxxxx> wrote: >> >> Hi, >> >> > >> >>> >> >>> (2) It is guaranteed that the device pointer is valid because (1) guarantees >> >>> it's even bound and because Devres<RegistrationInner> itself has a >> >>> reference count. >> >> >> >> Yeah but I would find it much more natural (and also useful in other >> >> circumstances) if `Devres<T>` would give you access to `Device` (at >> >> least the `Normal` type state). >> > >> > If we use container_of!() instead or just pass the address of Self (i.e. >> > Registration) to request_irq() instead, >> >> >> Boqun, Benno, are you ok with passing the address of Registration<T> as the cookie? >> >> Recall that this was a change requested in v4, so I am checking whether we are >> all on the same page before going back to that. >> >> See [0], i.e.: >> [0] https://lore.kernel.org/all/aFq3P_4XgP0dUrAS@xxxxxxxx/ > > After discussing this, Daniel and I agreed that I will implement the > change adding a Device<Bound> argument to the callback. I will be > sending a patch adding it separately as a follow-up to Daniel's work. That works for me, thanks!