On Wed, 29 Dec 2021 19:52:18 +0000, Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx> wrote: > > Hi > > >>> The right way to do it is to use the existing API by exposing the > >>> inverter (there are existing examples in the tree, using the > >>> hierarchical model)... > > > > A much simpler version can be written in a few minutes, see below... > > Can something like that be used if the parent domain is not > hierarchical (i.e. does not provide alloc(), but provides map() > instead)? No. This definitely relies on the parent being hierarchical, as that's exactly what it was designed for the first place. > In particular, gpio-rcar currently provides irq domain that is not > hierarchical. As well as quite a few other gpiochips. Well, you just found yourself some useful work! ;-) M. -- Without deviation from the norm, progress is not possible.
